X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Configure;h=a34a5db6f4c4925dfa8017db9f708645d3ffdf06;hb=1d603a678689f1e74cf73914a432b2a8d38be470;hp=b9a1be8e040ff63c198950f79cfdecced75d5c5a;hpb=8e07c86ebc651fe92eb7e3b25f801f57cfb8dd6f;p=p5sagit%2Fp5-mst-13.2.git diff --git a/Configure b/Configure index b9a1be8..a34a5db 100755 --- a/Configure +++ b/Configure @@ -14,13 +14,13 @@ # (Note: this Configure script was generated automatically. Rather than # working with this copy of Configure, you may wish to get metaconfig. # The dist-3.0 package (which contains metaconfig) was posted in -# comp.sources.misc so you may fetch it yourself from your nearest -# archive site. Check with Archie if you don't know where that can be.) +# comp.sources.misc and is available on CPAN under authors/id/RAM so +# you may fetch it yourself from your nearest archive site.) # -# $Id: Head.U,v 3.0.1.8 1995/07/25 13:40:02 ram Exp $ +# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $ # -# Generated on Thu Oct 19 10:47:09 EDT 1995 [metaconfig 3.0 PL58] +# Generated on Wed Feb 25 16:44:06 EST 1998 [metaconfig 3.0 PL70] cat >/tmp/c1$$ </dev/null 2>&1; then + inksh=true fi - -: On HP-UX, large Configure scripts may exercise a bug in /bin/sh if test -f /hp-ux -a -f /bin/ksh; then - if (PATH=.; alias -x) >/dev/null 2>&1; then - : already under /bin/ksh - else - cat <<'EOM' -(Feeding myself to ksh to avoid nasty sh bug in "here document" expansion.) -EOM - unset ENV - exec /bin/ksh $0 "$@" + needksh='to avoid sh bug in "here document" expansion' +fi +if test -d /usr/lpp -a -f /usr/bin/bsh -a -f /usr/bin/uname; then + if test X`/usr/bin/uname -v` = X4; then + avoidksh="to avoid AIX 4's /bin/sh" + newsh=/usr/bin/bsh fi -else - : Warn them if they use ksh on other systems - (PATH=.; alias -x) >/dev/null 2>&1 && \ +fi +case "$inksh/$needksh" in +/[a-z]*) + unset ENV + changesh=true + reason="$needksh" + ;; +esac +case "$inksh/$avoidksh" in +true/[a-z]*) + changesh=true + reason="$avoidksh" + ;; +esac +case "$inksh/$needksh-$avoidksh-" in +true/--) cat <extract <<'EOS' -CONFIG=true -echo "Doing variable substitutions on .SH files..." -if test -f MANIFEST; then - shlist=`awk '{print $1}' &2 +$me: Fatal Error: I can't find a Bourne Shell anywhere. + +Usually it's in /bin/sh. How did you even get this far? +Please contact me (Andy Dougherty) at doughera@lafcol.lafayette.edu and +we'll try to straighten this all out. +EOM + exit 1 + ;; +esac + +: see if sh knows # comments +if `$sh -c '#' >/dev/null 2>&1`; then + shsharp=true + spitshell=cat + xcat=/bin/cat + test -f $xcat || xcat=/usr/bin/cat + echo "#!$xcat" >try + $eunicefix try + chmod +x try + ./try > today + if test -s today; then + sharpbang='#!' + else + echo "#! $xcat" > try + $eunicefix try + chmod +x try + ./try > today + if test -s today; then + sharpbang='#! ' + else + sharpbang=': use ' fi - done - set x $shlist + fi else - echo "(Looking for .SH files under the current directory.)" - set x `find . -name "*.SH" -print` + echo " " + echo "Your $sh doesn't grok # comments--I will strip them later on." + shsharp=false + cd .. + echo "exec grep -v '^[ ]*#'" >spitshell + chmod +x spitshell + $eunicefix spitshell + spitshell=`pwd`/spitshell + cd UU + echo "I presume that if # doesn't work, #! won't work either!" + sharpbang=': use ' fi -shift -case $# in -0) set x *.SH; shift;; +rm -f try today + +: figure out how to guarantee sh startup +case "$startsh" in +'') startsh=${sharpbang}${sh} ;; +*) esac -if test ! -f $1; then - shift -fi -for file in $*; do - case "$file" in - */*) - dir=`expr X$file : 'X\(.*\)/'` - file=`expr X$file : 'X.*/\(.*\)'` - (cd $dir && . ./$file) - ;; - *) - . ./$file - ;; - esac -done -if test -f config_h.SH; then - if test ! -f config.h; then - : oops, they left it out of MANIFEST, probably, so do it anyway. - . ./config_h.SH - fi +cat >try <options.awk <<'EOF' @@ -778,7 +933,8 @@ END { EOF : process the command line options -set X `for arg in "$@"; do echo $arg; done | awk -f options.awk` +set X `for arg in "$@"; do echo "X$arg"; done | + sed -e s/X// | awk -f options.awk` eval "set $*" shift rm -f options.awk @@ -794,6 +950,10 @@ extractsh='' override='' knowitall='' rm -f optdef.sh +cat >optdef.sh <&2 + -V) echo "$me generated by metaconfig 3.0 PL70." >&2 exit 0;; --) break;; -*) echo "$me: unknown option $1" >&2; shift; error=true;; @@ -854,7 +1014,7 @@ done case "$error" in true) cat >&2 <&1 case "$silent" in true) exec 1>/dev/null;; @@ -887,26 +1058,6 @@ esac touch optdef.sh . ./optdef.sh -case "$extractsh" in -true) - case "$config_sh" in - '') config_sh='config.sh'; config='./config.sh';; - /*) config="$config_sh";; - *) config="./$config_sh";; - esac - echo " " - echo "Fetching answers from $config_sh..." - cd .. - . $config - test "$override" && . ./optdef.sh - echo " " - . ./UU/extract - rm -rf UU - echo "Done." - exit 0 - ;; -esac - : set package name package=perl5 first=`echo $package | sed -e 's/^\(.\).*/\1/'` @@ -916,13 +1067,6 @@ ABYZ) spackage=`echo $first | tr '[:lower:]' '[:upper:]'`$last;; *) spackage=`echo $first | tr '[a-z]' '[A-Z]'`$last;; esac -: Eunice requires " " instead of "", can you believe it -echo " " -: Here we go... -echo "Beginning of configuration questions for $package." - -trap 'echo " "; test -d ../UU && rm -rf X $rmlist; exit 1' 1 2 3 15 - : Some greps do not return status, grrr. echo "grimblepritz" >grimble if grep blurfldyick grimble >/dev/null 2>&1 ; then @@ -944,6 +1088,152 @@ EOSS chmod +x contains esac +: Find the path to the source tree +case "$src" in +'') case "$0" in + */*) src=`echo $0 | sed -e 's%/[^/][^/]*$%%'`;; + *) src='.';; + esac;; +esac +case "$src" in +'') src=/ + rsrc=/ + ;; +/*) rsrc="$src";; +*) rsrc="../$src";; +esac +if test -f $rsrc/Configure && \ + $contains "^package=$package$" $rsrc/Configure >/dev/null 2>&1 +then + : found it, so we are ok. +else + rsrc='' + for src in . .. ../.. ../../.. ../../../..; do + if test -f ../$src/Configure && \ + $contains "^package=$package$" ../$src/Configure >/dev/null 2>&1 + then + rsrc=../$src + break + fi + done +fi +case "$rsrc" in +'') + cat <&4 + +Sorry, I can't seem to locate the source dir for $package. Please start +Configure with an explicit path -- i.e. /some/path/Configure. + +EOM + exit 1 + ;; +../.) rsrc='..';; +*) + echo " " + echo "Sources for $package found in \"$src\"." >&4 + ;; +esac + +: script used to extract .SH files with variable substitutions +cat >extract <<'EOS' +CONFIG=true +echo "Doing variable substitutions on .SH files..." +if test -f $src/MANIFEST; then + set x `awk '{print $1}' <$src/MANIFEST | grep '\.SH'` +else + echo "(Looking for .SH files under the source directory.)" + set x `(cd $src; find . -name "*.SH" -print)` +fi +shift +case $# in +0) set x `(cd $src; echo *.SH)`; shift;; +esac +if test ! -f $src/$1; then + shift +fi +mkdir_p=' +name=$1; +create=""; +while test $name; do + if test ! -d "$name"; then + create="$name $create"; + name=`echo $name | sed -e "s|^[^/]*$||"`; + name=`echo $name | sed -e "s|\(.*\)/.*|\1|"`; + else + name=""; + fi; +done; +for file in $create; do + mkdir $file; +done +' +for file in $*; do + case "$src" in + ".") + case "$file" in + */*) + dir=`expr X$file : 'X\(.*\)/'` + file=`expr X$file : 'X.*/\(.*\)'` + (cd $dir && . ./$file) + ;; + *) + . ./$file + ;; + esac + ;; + *) + case "$file" in + */*) + dir=`expr X$file : 'X\(.*\)/'` + file=`expr X$file : 'X.*/\(.*\)'` + (set x $dir; shift; eval $mkdir_p) + sh <$src/$dir/$file + ;; + *) + sh <$src/$file + ;; + esac + ;; + esac +done +if test -f $src/config_h.SH; then + if test ! -f config.h; then + : oops, they left it out of MANIFEST, probably, so do it anyway. + . $src/config_h.SH + fi +fi +EOS + +: extract files and exit if asked to do so +case "$extractsh" in +true) + case "$realsilent" in + true) ;; + *) exec 1>&4;; + esac + case "$config_sh" in + '') config_sh='config.sh';; + esac + echo " " + echo "Fetching answers from $config_sh..." + cd .. + . $config_sh + test "$override" && . ./optdef.sh + echo " " + . UU/extract + rm -rf UU + echo "Done." + exit 0 + ;; +esac + +: Eunice requires " " instead of "", can you believe it +echo " " +: Here we go... +echo "Beginning of configuration questions for $package." + +trap 'echo " "; test -d ../UU && rm -rf X $rmlist; exit 1' 1 2 3 15 + : first determine how to suppress newline on echo command echo " " echo "Checking echo to see how to suppress newlines..." @@ -965,12 +1255,13 @@ rm -f .echotmp : Now test for existence of everything in MANIFEST echo " " -if test -f ../MANIFEST; then +if test -f $rsrc/MANIFEST; then echo "First let's make sure your kit is complete. Checking..." >&4 - awk '$1 !~ /PACK[A-Z]+/ {print $1}' ../MANIFEST | split -50 + awk '$1 !~ /PACK[A-Z]+/ {print $1}' $rsrc/MANIFEST | split -50 rm -f missing + tmppwd=`pwd` for filelist in x??; do - (cd ..; ls `cat UU/$filelist` >/dev/null 2>>UU/missing) + (cd $rsrc; ls `cat $tmppwd/$filelist` >/dev/null 2>>$tmppwd/missing) done if test -s missing; then cat missing >&4 @@ -981,7 +1272,7 @@ THIS PACKAGE SEEMS TO BE INCOMPLETE. You have the option of continuing the configuration process, despite the distinct possibility that your kit is damaged, by typing 'y'es. If you do, don't blame me if something goes wrong. I advise you to type 'n'o -and contact the author (lwall@netlabs.com). +and contact the author (doughera@lafcol.lafayette.edu). EOM echo $n "Continue? [n] $c" >&4 @@ -997,7 +1288,7 @@ EOM ;; esac else - echo "Looks good..." >&4 + echo "Looks good..." fi else echo "There is no MANIFEST file. I hope your kit is complete !" @@ -1027,6 +1318,7 @@ esac" : now set up to do reads with possible shell escape and default assignment cat <myread +$startsh xxxm=\$dflt $myecho ans='!' @@ -1049,8 +1341,20 @@ while expr "X\$ans" : "X!" >/dev/null; do read answ set x \$xxxm shift - aok=''; eval "ans=\"\$answ\"" && aok=y + aok=''; eval "ans=\\"\$answ\\"" && aok=y case "\$answ" in + "!") + sh 1>&4 + echo " " + $myecho + ;; + !*) + set x \`expr "X\$ans" : "X!\(.*\)\$"\` + shift + sh 1>&4 -c "\$*" + echo " " + $myecho + ;; "\$ans") case "\$ans" in \\&*) @@ -1059,27 +1363,15 @@ while expr "X\$ans" : "X!" >/dev/null; do case "\$1" in -d) fastread=yes - echo "(OK, I'll run with -d after this question.)" + echo "(OK, I'll run with -d after this question.)" >&4 ;; -*) - echo "*** Sorry, \$1 not supported yet." + echo "*** Sorry, \$1 not supported yet." >&4 ;; esac $myecho ans=! ;; - "!") - sh 1>&4 - echo " " - $myecho - ;; - !*) - set x \`expr "X\$ans" : "X!\(.*\)\$"\` - shift - sh 1>&4 -c "\$*" - echo " " - $myecho - ;; esac;; *) case "\$aok" in @@ -1114,7 +1406,7 @@ EOSC test -d ../.config || mkdir ../.config cat >../.config/README </dev/null || whoami) 2>&1` +user=`(logname) 2>/dev/null` +case "$user" in +'') user=`whoami 2>&1`;; +esac if $contains "^$user\$" ../.config/instruct >/dev/null 2>&1; then firsttime=false echo " " @@ -1136,7 +1431,7 @@ if $contains "^$user\$" ../.config/instruct >/dev/null 2>&1; then fi if $needman; then cat <&4 -if `sh -c '#' >/dev/null 2>&1`; then - echo "Your sh handles # comments correctly." - shsharp=true - spitshell=cat - echo " " - echo "Okay, let's see if #! works on this system..." - xcat=/bin/cat - test -f $xcat || xcat=/usr/bin/cat - echo "#!$xcat" >try - $eunicefix try - chmod +x try - ./try > today - if test -s today; then - echo "It does." - sharpbang='#!' - else - echo "#! $xcat" > try - $eunicefix try - chmod +x try - ./try > today - if test -s today; then - echo "It does." - sharpbang='#! ' - else - echo "It's just a comment." - sharpbang=': use ' - fi - fi -else - echo "Your sh doesn't grok # comments--I will strip them later on." - shsharp=false - cd .. - echo "exec grep -v '^[ ]*#'" >spitshell - chmod +x spitshell - $eunicefix spitshell - spitshell=`pwd`/spitshell - cd UU - echo "I presume that if # doesn't work, #! won't work either!" - sharpbang=': use ' -fi -rm -f try today - -: figure out how to guarantee sh startup -echo " " -echo "Checking out how to guarantee sh startup..." >&4 -case "$SYSTYPE" in -*bsd*|sys5*) startsh=$sharpbang"/$SYSTYPE/bin/sh";; -*) startsh=$sharpbang'/bin/sh';; -esac -echo "Let's see if '$startsh' works..." -cat >try <&4 @@ -1316,34 +1543,53 @@ echo expr find grep -ln ls +make mkdir rm sed sort -tail touch tr uniq " trylist=" Mcc +ar byacc cpp csh date egrep +gzip +less line +ln +more nroff perl +pg +sendmail test uname +zip " pth=`echo $PATH | sed -e "s/$p_/ /g"` pth="$pth /lib /usr/lib" for file in $loclist; do - xxx=`./loc $file $file $pth` + eval xxx=\$$file + case "$xxx" in + /*|?:[\\/]*) + if test -f "$xxx"; then + : ok + else + echo "WARNING: no $xxx -- ignoring your setting for $file." >&4 + xxx=`./loc $file $file $pth` + fi + ;; + '') xxx=`./loc $file $file $pth`;; + *) xxx=`./loc $xxx $xxx $pth`;; + esac eval $file=$xxx eval _$file=$xxx case "$xxx" in @@ -1354,7 +1600,9 @@ for file in $loclist; do echo $file is in $xxx. ;; *) - echo "I don't know where $file is. I hope it's in everyone's PATH." + echo "I don't know where '$file' is, and my life depends on it." >&4 + echo "Go find a public domain implementation or fix your PATH setting!" >&4 + exit 1 ;; esac done @@ -1362,7 +1610,19 @@ echo " " echo "Don't worry if any of the following aren't found..." say=offhand for file in $trylist; do - xxx=`./loc $file $file $pth` + eval xxx=\$$file + case "$xxx" in + /*|?:[\\/]*) + if test -f "$xxx"; then + : ok + else + echo "WARNING: no $xxx -- ignoring your setting for $file." >&4 + xxx=`./loc $file $file $pth` + fi + ;; + '') xxx=`./loc $file $file $pth`;; + *) xxx=`./loc $xxx $xxx $pth`;; + esac eval $file=$xxx eval _$file=$xxx case "$xxx" in @@ -1384,6 +1644,12 @@ egrep) egrep=$grep ;; esac +case "$ln" in +ln) + echo "Substituting cp for ln." + ln=$cp + ;; +esac case "$test" in test) echo "Hopefully test is built into your sh." @@ -1500,10 +1766,16 @@ if test -f config.sh; then *) echo "Fetching default answers from your old config.sh file..." >&4 tmp_n="$n" tmp_c="$c" + tmp_sh="$sh" . ./config.sh cp config.sh UU n="$tmp_n" c="$tmp_c" + : Older versions did not always set $sh. Catch re-use of such + : an old config.sh. + case "$sh" in + '') sh="$tmp_sh" ;; + esac hint=previous ;; esac @@ -1511,28 +1783,40 @@ fi if test ! -f config.sh; then $cat <&4 + (cd $src/hints; ls -C *.sh) | $sed 's/\.sh/ /g' >&4 dflt='' : Half the following guesses are probably wrong... If you have better - : tests or hints, please send them to lwall@netlabs.com + : tests or hints, please send them to doughera@lafcol.lafayette.edu : The metaconfig authors would also appreciate a copy... $test -f /irix && osname=irix $test -f /xenix && osname=sco_xenix $test -f /dynix && osname=dynix $test -f /dnix && osname=dnix - $test -f /unicos && osname=unicos && osvers=`$uname -r` + $test -f /lynx.os && osname=lynxos + $test -f /unicos && osname=unicos && osvers=`$uname -r` + $test -f /unicosmk.ar && osname=unicosmk && osvers=`$uname -r` $test -f /bin/mips && /bin/mips && osname=mips $test -d /NextApps && set X `hostinfo | grep 'NeXT Mach.*:' | \ $sed -e 's/://' -e 's/\./_/'` && osname=next && osvers=$4 $test -d /usr/apollo/bin && osname=apollo $test -f /etc/saf/_sactab && osname=svr4 $test -d /usr/include/minix && osname=minix - $test -d /MachTen && osname=machten && \ - osvers=`/usr/etc/version | $awk '{print $2}' | \ - $sed -e 's/[A-Za-z]$//'` + if $test -d /MachTen; then + osname=machten + if $test -x /sbin/version; then + osvers=`/sbin/version | $awk '{print $2}' | + $sed -e 's/[A-Za-z]$//'` + elif $test -x /usr/etc/version; then + osvers=`/usr/etc/version | $awk '{print $2}' | + $sed -e 's/[A-Za-z]$//'` + else + osvers="$2.$3" + fi + fi if $test -f $uname; then set X $myuname shift @@ -1546,7 +1830,6 @@ EOM esac;; [23]100) osname=mips ;; next*) osname=next ;; - news*) osname=news ;; i386*) if $test -f /etc/kconfig; then osname=isc @@ -1572,6 +1855,9 @@ EOM *) osvers=$tmp;; esac ;; + *dc.osx) osname=dcosx + osvers="$3" + ;; dnix) osname=dnix osvers="$3" ;; @@ -1581,6 +1867,9 @@ EOM dgux) osname=dgux osvers="$3" ;; + dynixptx*) osname=dynixptx + osvers="$3" + ;; freebsd) osname=freebsd osvers="$3" ;; genix) osname=genix ;; @@ -1592,7 +1881,7 @@ EOM *) osvers="$3" ;; esac ;; - irix) osname=irix + irix*) osname=irix case "$3" in 4*) osvers=4 ;; 5*) osvers=5 ;; @@ -1601,16 +1890,25 @@ EOM ;; linux) osname=linux case "$3" in - 1*) osvers=1 ;; *) osvers="$3" ;; esac ;; netbsd*) osname=netbsd osvers="$3" ;; + news-os) osvers="$3" + case "$3" in + 4*) osname=newsos4 ;; + *) osname=newsos ;; + esac + ;; bsd386) osname=bsd386 osvers=`$uname -r` ;; + powerux | power_ux | powermax_os | powermaxos | \ + powerunix | power_unix) osname=powerux + osvers="$3" + ;; next*) osname=next ;; solaris) osname=solaris case "$3" in @@ -1637,10 +1935,10 @@ EOM ultrix) osname=ultrix osvers="$3" ;; - osf1) case "$5" in + osf1|mls+) case "$5" in alpha) osname=dec_osf - osvers=`echo "$3" | sed 's/^[vt]//'` + osvers=`echo "$3" | sed 's/^[xvt]//'` ;; hp*) osname=hp_osf1 ;; mips) osname=mips_osf1 ;; @@ -1649,10 +1947,13 @@ EOM uts) osname=uts osvers="$3" ;; + qnx) osname=qnx + osvers="$4" + ;; $2) case "$osname" in *isc*) ;; *freebsd*) ;; - svr*) + svr*) : svr4.x or possibly later case "svr$3" in ${osname}*) @@ -1705,16 +2006,20 @@ EOM ;; esac else - if test -f /vmunix -a -f news_os.sh; then - (what /vmunix | ../UU/tr '[A-Z]' '[a-z]') > ../UU/kernel.what 2>&1 - if $contains news-os ../UU/kernel.what >/dev/null 2>&1; then + if test -f /vmunix -a -f $src/hints/news_os.sh; then + (what /vmunix | UU/tr '[A-Z]' '[a-z]') > UU/kernel.what 2>&1 + if $contains news-os UU/kernel.what >/dev/null 2>&1; then osname=news_os fi - $rm -f ../UU/kernel.what + $rm -f UU/kernel.what elif test -d c:/.; then set X $myuname osname=os2 osvers="$5" + if test -n "$DJDIR"; then + osname=dos + osvers=djgpp + fi fi fi @@ -1733,17 +2038,17 @@ EOM *) case "$osvers" in '') dflt=$file ;; - *) if $test -f $file.sh ; then + *) if $test -f $src/hints/$file.sh ; then dflt=$file - elif $test -f $xfile.sh ; then + elif $test -f $src/hints/$xfile.sh ; then dflt=$xfile - elif $test -f $xxfile.sh ; then + elif $test -f $src/hints/$xxfile.sh ; then dflt=$xxfile - elif $test -f $xxxfile.sh ; then + elif $test -f $src/hints/$xxxfile.sh ; then dflt=$xxxfile - elif $test -f $xxxxfile.sh ; then + elif $test -f $src/hints/$xxxxfile.sh ; then dflt=$xxxxfile - elif $test -f "${osname}.sh" ; then + elif $test -f "$src/hints/${osname}.sh" ; then dflt="${osname}" else dflt=none @@ -1752,25 +2057,46 @@ EOM esac ;; esac + if $test -f Policy.sh ; then + case "$dflt" in + *Policy*) ;; + none) dflt="Policy" ;; + *) dflt="Policy $dflt" ;; + esac + fi ;; *) dflt=`echo $hintfile | $sed 's/\.sh$//'` ;; esac + if $test -f Policy.sh ; then + $cat <> ../UU/config.sh + if $test X$file = XPolicy -a -f Policy.sh; then + . Policy.sh + $cat Policy.sh >> UU/config.sh + elif $test -f $src/hints/$file.sh; then + . $src/hints/$file.sh + $cat $src/hints/$file.sh >> UU/config.sh elif $test X$tans = X -o X$tans = Xnone ; then : nothing else @@ -1778,11 +2104,11 @@ EOM echo "$file.sh does not exist" dflt=$file rp="hint to use instead?" - . ../UU/myread + . UU/myread for file in $ans; do - if $test -f "$file.sh"; then - . ./$file.sh - $cat $file.sh >> ../UU/config.sh + if $test -f "$src/hints/$file.sh"; then + . $src/hints/$file.sh + $cat $src/hints/$file.sh >> UU/config.sh elif $test X$ans = X -o X$ans = Xnone ; then : nothing else @@ -1794,13 +2120,11 @@ EOM hint=recommended : Remember our hint file for later. - if $test -f "$file.sh" ; then + if $test -f "$src/hints/$file.sh" ; then hintfile="$file" else hintfile='' fi - - cd .. fi cd UU ;; @@ -1811,6 +2135,7 @@ cd UU tmp_c="$c" cd .. cp $config_sh config.sh 2>/dev/null + chmod +w config.sh . ./config.sh cd UU cp ../config.sh . @@ -1850,333 +2175,141 @@ case "$ans" in none) osname='' ;; *) osname=`echo "$ans" | $sed -e 's/[ ][ ]*/_/g' | ./tr '[A-Z]' '[a-z]'`;; esac +echo " " +case "$osvers" in + ''|' ') + case "$hintfile" in + ''|' '|none) dflt=none ;; + *) dflt=`echo $hintfile | $sed -e 's/\.sh$//' -e 's/^[^_]*//'` + dflt=`echo $dflt | $sed -e 's/^_//' -e 's/_/./g'` + case "$dflt" in + ''|' ') dflt=none ;; + esac + ;; + esac + ;; + *) dflt="$osvers" ;; +esac +rp="Operating system version?" +. ./myread +case "$ans" in +none) osvers='' ;; +*) osvers="$ans" ;; +esac + : who configured the system -cf_time=`$date 2>&1` -(logname > .temp) >/dev/null 2>&1 -$test -s .temp || (whoami > .temp) >/dev/null 2>&1 -$test -s .temp || echo unknown > .temp -cf_by=`$cat .temp` -$rm -f .temp +cf_time=`LC_ALL=C; export LC_ALL; $date 2>&1` +cf_by=`(logname) 2>/dev/null` +case "$cf_by" in +"") + cf_by=`(whoami) 2>/dev/null` + case "$cf_by" in + "") cf_by=unknown ;; + esac ;; +esac -: determine where manual pages are on this system +: set up the script used to warn in case of inconsistency +cat <whoa +$startsh +EOS +cat <<'EOSC' >>whoa +dflt=y echo " " -case "$sysman" in -'') - syspath='/usr/man/man1 /usr/man/mann /usr/man/manl /usr/man/local/man1' - syspath="$syspath /usr/man/u_man/man1 /usr/share/man/man1" - syspath="$syspath /usr/catman/u_man/man1 /usr/man/l_man/man1" - syspath="$syspath /usr/local/man/u_man/man1 /usr/local/man/l_man/man1" - syspath="$syspath /usr/man/man.L /local/man/man1 /usr/local/man/man1" - sysman=`./loc . /usr/man/man1 $syspath` - ;; +echo "*** WHOA THERE!!! ***" >&4 +echo " The $hint value for \$$var on this machine was \"$was\"!" >&4 +rp=" Keep the $hint value?" +. ./myread +case "$ans" in +y) td=$was; tu=$was;; esac -if $test -d "$sysman"; then - echo "System manual is in $sysman." >&4 -else - echo "Could not find manual pages in source form." >&4 -fi +EOSC -: see what memory models we can support -case "$models" in -'') - $cat >pdp11.c <<'EOP' -main() { -#ifdef pdp11 - exit(0); -#else - exit(1); -#endif -} -EOP - cc -o pdp11 pdp11.c >/dev/null 2>&1 - if ./pdp11 2>/dev/null; then - dflt='unsplit split' - else - tans=`./loc . X /lib/small /lib/large /usr/lib/small /usr/lib/large /lib/medium /usr/lib/medium /lib/huge` - case "$tans" in - X) dflt='none';; - *) if $test -d /lib/small || $test -d /usr/lib/small; then - dflt='small' - else - dflt='' - fi - if $test -d /lib/medium || $test -d /usr/lib/medium; then - dflt="$dflt medium" - fi - if $test -d /lib/large || $test -d /usr/lib/large; then - dflt="$dflt large" - fi - if $test -d /lib/huge || $test -d /usr/lib/huge; then - dflt="$dflt huge" - fi - esac - fi;; -*) dflt="$models";; -esac -$cat </dev/null 2>&1 || \ - $contains '\-i' $sysman/cc.1 >/dev/null 2>&1; then - dflt='-i' - else - dflt='none' - fi;; - *) dflt="$split";; - esac - rp="What flag indicates separate I and D space?" - . ./myread - tans="$ans" - case "$tans" in - none) tans='';; - esac - split="$tans" - unsplit='';; -*large*|*small*|*medium*|*huge*) - case "$models" in - *large*) - case "$large" in - '') dflt='-Ml';; - *) dflt="$large";; - esac - rp="What flag indicates large model?" - . ./myread - tans="$ans" - case "$tans" in - none) tans=''; - esac - large="$tans";; - *) large='';; - esac - case "$models" in - *huge*) case "$huge" in - '') dflt='-Mh';; - *) dflt="$huge";; - esac - rp="What flag indicates huge model?" - . ./myread - tans="$ans" - case "$tans" in - none) tans=''; - esac - huge="$tans";; - *) huge="$large";; - esac - case "$models" in - *medium*) case "$medium" in - '') dflt='-Mm';; - *) dflt="$medium";; - esac - rp="What flag indicates medium model?" - . ./myread - tans="$ans" - case "$tans" in - none) tans=''; - esac - medium="$tans";; - *) medium="$large";; - esac - case "$models" in - *small*) case "$small" in - '') dflt='none';; - *) dflt="$small";; - esac - rp="What flag indicates small model?" - . ./myread - tans="$ans" - case "$tans" in - none) tans=''; - esac - small="$tans";; - *) small='';; - esac - ;; -*) - echo "Unrecognized memory models--you may have to edit Makefile.SH" >&4 +: determine the architecture name +echo " " +if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then + tarch=`arch`"-$osname" +elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then + if uname -m > tmparch 2>&1 ; then + tarch=`$sed -e 's/ *$//' -e 's/ /_/g' \ + -e 's/$/'"-$osname/" tmparch` + else + tarch="$osname" + fi + $rm -f tmparch +else + tarch="$osname" +fi +case "$myarchname" in +''|"$tarch") ;; +*) + echo "(Your architecture name used to be $myarchname.)" + archname='' ;; esac - -: make some quick guesses about what we are up against +case "$archname" in +'') dflt="$tarch";; +*) dflt="$archname";; +esac +rp='What is your architecture name' +. ./myread +case "$usethreads" in +$define) echo "Threads selected." >&4 + case "$ans" in + *-thread) echo "...and architecture name already ends in -thread." >&4 + archname="$ans" + ;; + *) archname="$ans-thread" + echo "...setting architecture name to $archname." >&4 + ;; + esac + ;; +*) archname="$ans" ;; +esac +myarchname="$tarch" +: is AFS running? echo " " -$echo $n "Hmm... $c" -echo exit 1 >bsd -echo exit 1 >usg -echo exit 1 >v7 -echo exit 1 >osf1 -echo exit 1 >eunice -echo exit 1 >xenix -echo exit 1 >venix -d_bsd="$undef" -$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null -if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1 -then - echo "Looks kind of like an OSF/1 system, but we'll see..." - echo exit 0 >osf1 -elif test `echo abc | tr a-z A-Z` = Abc ; then - xxx=`./loc addbib blurfl $pth` - if $test -f $xxx; then - echo "Looks kind of like a USG system with BSD features, but we'll see..." - echo exit 0 >bsd - echo exit 0 >usg +case "$afs" in +$define|true) afs=true ;; +$undef|false) afs=false ;; +*) if test -d /afs; then + afs=true else - if $contains SIGTSTP foo >/dev/null 2>&1 ; then - echo "Looks kind of like an extended USG system, but we'll see..." - else - echo "Looks kind of like a USG system, but we'll see..." - fi - echo exit 0 >usg + afs=false fi -elif $contains SIGTSTP foo >/dev/null 2>&1 ; then - echo "Looks kind of like a BSD system, but we'll see..." - d_bsd="$define" - echo exit 0 >bsd -else - echo "Looks kind of like a Version 7 system, but we'll see..." - echo exit 0 >v7 -fi -case "$eunicefix" in -*unixtovms*) - $cat <<'EOI' -There is, however, a strange, musty smell in the air that reminds me of -something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit. -EOI - echo exit 0 >eunice - d_eunice="$define" -: it so happens the Eunice I know will not run shell scripts in Unix format - ;; -*) - echo " " - echo "Congratulations. You aren't running Eunice." - d_eunice="$undef" ;; esac -if test -f /xenix; then - echo "Actually, this looks more like a XENIX system..." - echo exit 0 >xenix - d_xenix="$define" -else - echo " " - echo "It's not Xenix..." - d_xenix="$undef" -fi -chmod +x xenix -$eunicefix xenix -if test -f /venix; then - echo "Actually, this looks more like a VENIX system..." - echo exit 0 >venix -else - echo " " - if ./xenix; then - : null - else - echo "Nor is it Venix..." - fi -fi -chmod +x bsd usg v7 osf1 eunice xenix venix -$eunicefix bsd usg v7 osf1 eunice xenix venix -$rm -f foo - -: see if we need a special compiler -echo " " -if ./usg; then - case "$cc" in - '') case "$Mcc" in - /*) dflt='Mcc';; - *) case "$large" in - -M*) dflt='cc';; - *) if $contains '\-M' $sysman/cc.1 >/dev/null 2>&1 ; then - if $contains '\-M' $sysman/cpp.1 >/dev/null 2>&1; then - dflt='cc' - else - dflt='cc -M' - fi - else - dflt='cc' - fi;; - esac;; - esac;; - *) dflt="$cc";; - esac - $cat <<'EOM' -On some systems the default C compiler will not resolve multiple global -references that happen to have the same name. On some such systems the "Mcc" -command may be used to force these to be resolved. On other systems a "cc -M" -command is required. (Note that the -M flag on other systems indicates a -memory model to use!) If you have the Gnu C compiler, you might wish to use -that instead. - -EOM - rp="What command will force resolution on this system?" - . ./myread - cc="$ans" -else - case "$cc" in - '') dflt=cc;; - *) dflt="$cc";; - esac - rp="Use which C compiler?" - . ./myread - cc="$ans" -fi -echo " " -echo "Checking for GNU cc in disguise and/or its version number..." >&4 -$cat >gccvers.c < -int main() { -#ifdef __GNUC__ -#ifdef __VERSION__ - printf("%s\n", __VERSION__); -#else - printf("%s\n", "1"); -#endif -#endif - exit(0); -} -EOM -if $cc -o gccvers gccvers.c >/dev/null 2>&1; then - gccversion=`./gccvers` - case "$gccversion" in - '') echo "You are not using GNU cc." ;; - *) echo "You are using GNU cc $gccversion." ;; - esac +if $afs; then + echo "AFS may be running... I'll be extra cautious then..." >&4 else - echo " " - echo "*** WHOA THERE!!! ***" >&4 - echo " Your C compiler \"$cc\" doesn't seem to be working!" >&4 - case "$knowitall" in - '') - echo " You'd better start hunting for one and let me know about it." >&4 - exit 1 - ;; - esac + echo "AFS does not seem to be running..." >&4 fi -$rm -f gccvers* -case "$gccversion" in -1*) cpp=`./loc gcc-cpp $cpp $pth` ;; -esac : decide how portable to be. Allow command line overrides. case "$d_portable" in @@ -2225,7 +2358,10 @@ chmod +x filexp $eunicefix filexp : now set up to get a file name -cat <<'EOSC' >getfile +cat <getfile +$startsh +EOS +cat <<'EOSC' >>getfile tilde='' fullpath='' already='' @@ -2428,236 +2564,6 @@ dflt="$orig_dflt" rm -f getfile.ok EOSC -: What should the include directory be ? -echo " " -$echo $n "Hmm... $c" -dflt='/usr/include' -incpath='' -mips_type='' -if $test -f /bin/mips && /bin/mips; then - echo "Looks like a MIPS system..." - $cat >usr.c <<'EOCP' -#ifdef SYSTYPE_BSD43 -/bsd43 -#endif -EOCP - if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then - dflt='/bsd43/usr/include' - incpath='/bsd43' - mips_type='BSD 4.3' - else - mips_type='System V' - fi - $rm -f usr.c usr.out - echo "and you're compiling with the $mips_type compiler and libraries." - xxx_prompt=y - echo "exit 0" >mips -else - echo "Doesn't look like a MIPS system." - xxx_prompt=n - echo "exit 1" >mips -fi -chmod +x mips -$eunicefix mips -echo " " -case "$usrinc" in -'') ;; -*) dflt="$usrinc";; -esac -case "$xxx_prompt" in -y) fn=d/ - rp='Where are the include files you want to use?' - . ./getfile - usrinc="$ans" - ;; -*) usrinc="$dflt" - ;; -esac - -: see how we invoke the C preprocessor -echo " " -echo "Now, how can we feed standard input to your C preprocessor..." >&4 -cat <<'EOT' >testcpp.c -#define ABC abc -#define XYZ xyz -ABC.XYZ -EOT -cd .. -echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin -chmod 755 cppstdin -wrapper=`pwd`/cppstdin -ok='false' -cd UU - -if $test "X$cppstdin" != "X" && \ - $cppstdin $cppminus testcpp.out 2>&1 && \ - $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 -then - echo "You used to use $cppstdin $cppminus so we'll use that again." - case "$cpprun" in - '') echo "But let's see if we can live without a wrapper..." ;; - *) - if $cpprun $cpplast testcpp.out 2>&1 && \ - $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 - then - echo "(And we'll use $cpprun $cpplast to preprocess directly.)" - ok='true' - else - echo "(However, $cpprun $cpplast does not work, let's see...)" - fi - ;; - esac -else - case "$cppstdin" in - '') ;; - *) - echo "Good old $cppstdin $cppminus does not seem to be of any help..." - ;; - esac -fi - -if $ok; then - : nothing -elif echo 'Maybe "'"$cc"' -E" will work...'; \ - $cc -E testcpp.out 2>&1; \ - $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then - echo "Yup, it does." - x_cpp="$cc -E" - x_minus=''; -elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \ - $cc -E - testcpp.out 2>&1; \ - $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then - echo "Yup, it does." - x_cpp="$cc -E" - x_minus='-'; -elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \ - $cc -P testcpp.out 2>&1; \ - $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then - echo "Yipee, that works!" - x_cpp="$cc -P" - x_minus=''; -elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \ - $cc -P - testcpp.out 2>&1; \ - $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then - echo "At long last!" - x_cpp="$cc -P" - x_minus='-'; -elif echo 'No such luck, maybe "'$cpp'" will work...'; \ - $cpp testcpp.out 2>&1; \ - $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then - echo "It works!" - x_cpp="$cpp" - x_minus=''; -elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \ - $cpp - testcpp.out 2>&1; \ - $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then - echo "Hooray, it works! I was beginning to wonder." - x_cpp="$cpp" - x_minus='-'; -elif echo 'Uh-uh. Time to get fancy. Trying a wrapper...'; \ - $wrapper testcpp.out 2>&1; \ - $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then - x_cpp="$wrapper" - x_minus='' - echo "Eureka!" -else - dflt='' - rp="No dice. I can't find a C preprocessor. Name one:" - . ./myread - x_cpp="$ans" - x_minus='' - $x_cpp testcpp.out 2>&1 - if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then - echo "OK, that will do." >&4 - else -echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4 - exit 1 - fi -fi - -case "$ok" in -false) - cppstdin="$x_cpp" - cppminus="$x_minus" - cpprun="$x_cpp" - cpplast="$x_minus" - set X $x_cpp - shift - case "$1" in - "$cpp") - echo "Perhaps can we force $cc -E using a wrapper..." - if $wrapper testcpp.out 2>&1; \ - $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 - then - echo "Yup, we can." - cppstdin="$wrapper" - cppminus=''; - else - echo "Nope, we'll have to live without it..." - fi - ;; - esac - case "$cpprun" in - "$wrapper") - cpprun='' - cpplast='' - ;; - esac - ;; -esac - -case "$cppstdin" in -"$wrapper") ;; -*) $rm -f $wrapper;; -esac -$rm -f testcpp.c testcpp.out - -: Set private lib path -case "$plibpth" in -'') if ./mips; then - plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib" - fi;; -esac -case "$libpth" in -' ') dlist='';; -'') dlist="$loclibpth $plibpth $glibpth";; -*) dlist="$libpth";; -esac - -: Now check and see which directories actually exist, avoiding duplicates -libpth='' -for xxx in $dlist -do - if $test -d $xxx; then - case " $libpth " in - *" $xxx "*) ;; - *) libpth="$libpth $xxx";; - esac - fi -done -$cat <<'EOM' - -Some systems have incompatible or broken versions of libraries. Among -the directories listed in the question below, please remove any you -know not to be holding relevant libraries, and add any that are needed. -Say "none" for none. - -EOM -case "$libpth" in -'') dflt='none';; -*) - set X $libpth - shift - dflt=${1+"$@"} - ;; -esac -rp="Directories to use for library searches?" -. ./myread -case "$ans" in -none) libpth=' ';; -*) libpth="$ans";; -esac - : determine root of directory hierarchy where package will be installed. case "$prefix" in '') @@ -2721,47 +2627,69 @@ prefixit='case "$3" in esac;; esac' -: is AFS running? -echo " " -if test -d /afs; then - echo "AFS may be running... I'll be extra cautious then..." >&4 - afs=true -else - echo "AFS does not seem to be running..." >&4 - afs=false -fi - -: determine where public executables go -echo " " -set dflt bin bin +: determine where private library files go +: Usual default is /usr/local/lib/perl5. Also allow things like +: /opt/perl/lib, since /opt/perl/lib/perl5 would be redundant. +case "$prefix" in +*perl*) set dflt privlib lib ;; +*) set dflt privlib lib/$package ;; +esac eval $prefixit -fn=d~ -rp='Pathname where the public executables will reside?' +$cat <&4 +if $test -r $rsrc/patchlevel.h;then + patchlevel=`awk '/PATCHLEVEL/ {print $3}' $rsrc/patchlevel.h` + subversion=`awk '/SUBVERSION/ {print $3}' $rsrc/patchlevel.h` +else + patchlevel=0 + subversion=0 fi +$echo $n "(You have $package" $c +case "$package" in +"*$baserev") ;; +*) $echo $n " $baserev" $c ;; +esac +$echo $n " patchlevel $patchlevel" $c +test 0 -eq "$subversion" || $echo $n " subversion $subversion" $c +echo ".)" : set the prefixup variable, to restore leading tilda escape prefixup='case "$prefixexp" in @@ -2769,141 +2697,32 @@ prefixup='case "$prefixexp" in *) eval "$1=\`echo \$$1 | sed \"s,^$prefixexp,$prefix,\"\`";; esac' -: determine where public executable scripts go -set scriptdir scriptdir +: determine where public architecture dependent libraries go +set archlib archlib eval $prefixit -case "$scriptdir" in +case "$archlib" in '') - dflt="$bin" - : guess some guesses - $test -d /usr/share/scripts && dflt=/usr/share/scripts - $test -d /usr/share/bin && dflt=/usr/share/bin - $test -d /usr/local/script && dflt=/usr/local/script - $test -d $prefixexp/script && dflt=$prefixexp/script + case "$privlib" in + '') dflt=`./loc . "." $prefixexp/lib /usr/local/lib /usr/lib /lib` set dflt eval $prefixup ;; -*) dflt="$scriptdir" - ;; -esac -$cat < tmparch 2>&1 ; then - tarch=`$sed -e 's/ /_/g' -e 's/$/'"-$osname/" tmparch` + *) if test 0 -eq "$subversion"; then + version=`LC_ALL=C; export LC_ALL; \ + echo $baserev $patchlevel | \ + $awk '{ printf "%.3f\n", $1 + $2/1000.0 }'` else - tarch="$osname" + version=`LC_ALL=C; export LC_ALL; \ + echo $baserev $patchlevel $subversion | \ + $awk '{ printf "%.5f\n", $1 + $2/1000.0 + $3/100000.0 }'` fi - $rm -f tmparch -else - tarch="$osname" -fi -case "$myarchname" in -''|"$tarch") ;; -*) - echo "(Your architecture name used to be $myarchname.)" - archname='' - ;; -esac -case "$archname" in -'') dflt="$tarch";; -*) dflt="$archname";; -esac -rp='What is your architecture name' -. ./myread -archname="$ans" -myarchname="$tarch" - -: determine where public architecture dependent libraries go -set archlib archlib -eval $prefixit -case "$archlib" in -'') - case "$privlib" in - '') - dflt=`./loc . "." $prefixexp/lib /usr/local/lib /usr/lib /lib` - set dflt - eval $prefixup - ;; - *) dflt="$privlib/$archname";; - esac + dflt="$privlib/$archname/$version" ;; -*) dflt="$archlib";; + esac + ;; +*) + dflt="$archlib" + ;; esac cat <bsd +echo exit 1 >usg +echo exit 1 >v7 +echo exit 1 >osf1 +echo exit 1 >eunice +echo exit 1 >xenix +echo exit 1 >venix +echo exit 1 >os2 +d_bsd="$undef" +$cat /usr/include/signal.h /usr/include/sys/signal.h >foo 2>/dev/null +if test -f /osf_boot || $contains 'OSF/1' /usr/include/ctype.h >/dev/null 2>&1 +then + echo "Looks kind of like an OSF/1 system, but we'll see..." + echo exit 0 >osf1 +elif test `echo abc | tr a-z A-Z` = Abc ; then + xxx=`./loc addbib blurfl $pth` + if $test -f $xxx; then + echo "Looks kind of like a USG system with BSD features, but we'll see..." + echo exit 0 >bsd + echo exit 0 >usg + else + if $contains SIGTSTP foo >/dev/null 2>&1 ; then + echo "Looks kind of like an extended USG system, but we'll see..." + else + echo "Looks kind of like a USG system, but we'll see..." + fi + echo exit 0 >usg + fi +elif $contains SIGTSTP foo >/dev/null 2>&1 ; then + echo "Looks kind of like a BSD system, but we'll see..." + d_bsd="$define" + echo exit 0 >bsd +else + echo "Looks kind of like a Version 7 system, but we'll see..." + echo exit 0 >v7 +fi +case "$eunicefix" in +*unixtovms*) + $cat <<'EOI' +There is, however, a strange, musty smell in the air that reminds me of +something...hmm...yes...I've got it...there's a VMS nearby, or I'm a Blit. +EOI + echo exit 0 >eunice + d_eunice="$define" +: it so happens the Eunice I know will not run shell scripts in Unix format + ;; +*) + echo " " + echo "Congratulations. You aren't running Eunice." + d_eunice="$undef" + ;; esac -fn=d~+n -rp='Local directory for additional library files?' -. ./getfile -if $test "X$sitelibexp" != "X$ansexp"; then - installsitelib='' +: Detect OS2. The p_ variable is set above in the Head.U unit. +case "$p_" in +:) ;; +*) + $cat <<'EOI' +I have the feeling something is not exactly right, however...don't tell me... +lemme think...does HAL ring a bell?...no, of course, you're only running OS/2! +EOI + echo exit 0 >os2 + ;; +esac +if test -f /xenix; then + echo "Actually, this looks more like a XENIX system..." + echo exit 0 >xenix + d_xenix="$define" +else + echo " " + echo "It's not Xenix..." + d_xenix="$undef" fi -sitelib="$ans" -sitelibexp="$ansexp" -if $afs; then - case "$sitelib" in - '') installsitelib="$sitelibexp" - ;; - *) $cat <venix else - installsitelib="$sitelibexp" + echo " " + if ./xenix; then + : null + else + echo "Nor is it Venix..." + fi fi +chmod +x bsd usg v7 osf1 eunice xenix venix os2 +$eunicefix bsd usg v7 osf1 eunice xenix venix os2 +$rm -f foo -case "$sitelibexp" in -'') d_sitelib=undef ;; -*) d_sitelib=define ;; -esac - -: determine where manual pages go -set man1dir man1dir none -eval $prefixit +: see if setuid scripts can be secure $cat <reflect + chmod +x,u+s reflect + ./reflect >flect 2>&1 + if $contains "/dev/fd" flect >/dev/null; then + echo "Congratulations, your kernel has secure setuid scripts!" >&4 + val="$define" else - dflt="$sysman" - fi - set dflt + $cat <&4 + dflt=n;; + "$undef") + echo "Well, the $hint value is *not* secure." >&4 + dflt=n;; + *) echo "Well, the $hint value *is* secure." >&4 + dflt=y;; + esac + ;; + *) + $rm -f reflect flect + echo "#!$ls" >reflect + chmod +x,u+s reflect + echo >flect + chmod a+w flect + echo '"su" will (probably) prompt you for '"$ans's password." + su $ans -c './reflect >flect' + if $contains "/dev/fd" flect >/dev/null; then + echo "Okay, it looks like setuid scripts are secure." >&4 + dflt=y + else + echo "I don't think setuid scripts are secure." >&4 + dflt=n + fi + ;; + esac + rp='Does your kernel have *secure* setuid scripts?' + . ./myread + case "$ans" in + [yY]*) val="$define";; + *) val="$undef";; + esac + fi +else + echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4 + echo "(That's for file descriptors, not floppy disks.)" + val="$undef" +fi +set d_suidsafe +eval $setvar + +$rm -f reflect flect + +: now see if they want to do setuid emulation +echo " " +val="$undef" +case "$d_suidsafe" in +"$define") + val="$undef" + echo "No need to emulate SUID scripts since they are secure here." >& 4 + ;; +*) + $cat <&4 +else + echo "Could not find manual pages in source form." >&4 +fi + +: determine where manual pages go +set man1dir man1dir none +eval $prefixit +$cat <whoa -dflt=y -echo " " -echo "*** WHOA THERE!!! ***" >&4 -echo " The $hint value for \$$var on this machine was \"$was\"!" >&4 -rp=" Keep the $hint value?" -. ./myread -case "$ans" in -y) td=$was; tu=$was;; -esac -EOSC - -: function used to set $1 to $val -setvar='var=$1; eval "was=\$$1"; td=$define; tu=$undef; -case "$val$was" in -$define$undef) . ./whoa; eval "$var=\$td";; -$undef$define) . ./whoa; eval "$var=\$tu";; -*) eval "$var=$val";; -esac' - : see if we can have long filenames echo " " rmlist="$rmlist /tmp/cf$$" @@ -3166,7 +3200,6 @@ case "$nroff" in nroff) $cat <<'EOM' However, you don't have nroff, so they're probably useless to you. -You can use the supplied perldoc script instead. EOM case "$man3dir" in '') man3dir="none";; @@ -3177,7 +3210,6 @@ case "$d_flexfnam" in undef) $cat <<'EOM' However, your system can't handle the long file names like File::Basename.3. -You can use the supplied perldoc script instead. EOM case "$man3dir" in '') man3dir="none";; @@ -3185,15 +3217,21 @@ EOM esac echo "If you don't want the manual sources installed, answer 'none'." +prog=`echo $package | $sed 's/-*[0-9.]*$//'` case "$man3dir" in -'') dflt="$privlib/man/man3" ;; +'') case "$prefix" in + *$prog*) dflt=`echo $man1dir | + $sed -e 's/man1/man3/g' -e 's/man\.1/man\.3/g'` ;; + *) dflt="$privlib/man/man3" ;; + esac + ;; ' ') dflt=none;; *) dflt="$man3dir" ;; esac echo " " -fn=dn~ -rp="Where do the $spackage library man pages (source) go?" +fn=dn+~ +rp="Where do the $package library man pages (source) go?" . ./getfile if test "X$man3direxp" != "X$ansexp"; then installman3dir='' @@ -3232,554 +3270,486 @@ case "$man3dir" in man3ext='0' ;; *) - rp="What suffix should be used for the $spackage library man pages?" - case "$man3dir" in - *3) dflt=3 ;; - *3p) dflt=3p ;; - *3pm) dflt=3pm ;; - *l) dflt=l;; - *n) dflt=n;; - *o) dflt=o;; - *p) dflt=p;; - *C) dflt=C;; - *L) dflt=L;; - *L3) dflt=L3;; - *) dflt=3;; + rp="What suffix should be used for the $package library man pages?" + case "$man3ext" in + '') case "$man3dir" in + *3) dflt=3 ;; + *3p) dflt=3p ;; + *3pm) dflt=3pm ;; + *l) dflt=l;; + *n) dflt=n;; + *o) dflt=o;; + *p) dflt=p;; + *C) dflt=C;; + *L) dflt=L;; + *L3) dflt=L3;; + *) dflt=3;; + esac + ;; + *) dflt="$man3ext";; esac . ./myread man3ext="$ans" ;; esac -: see if we have to deal with yellow pages, now NIS. -if $test -d /usr/etc/yp || $test -d /etc/yp; then - if $test -f /usr/etc/nibindd; then - echo " " - echo "I'm fairly confident you're on a NeXT." - echo " " - rp='Do you get the hosts file via NetInfo?' - dflt=y - case "$hostcat" in - nidump*) ;; - '') ;; - *) dflt=n;; - esac - . ./myread - case "$ans" in - y*) hostcat='nidump hosts .';; - *) case "$hostcat" in - nidump*) hostcat='';; - esac - ;; - esac - fi - case "$hostcat" in - nidump*) ;; - *) - case "$hostcat" in - *ypcat*) dflt=y;; - '') if $contains '^\+' /etc/passwd >/dev/null 2>&1; then - dflt=y - else - dflt=n - fi;; - *) dflt=n;; - esac - echo " " - rp='Are you getting the hosts file via yellow pages?' - . ./myread - case "$ans" in - y*) hostcat='ypcat hosts';; - *) hostcat='cat /etc/hosts';; - esac - ;; - esac -fi - -: now get the host name -echo " " -echo "Figuring out host name..." >&4 -case "$myhostname" in -'') cont=true - echo 'Maybe "hostname" will work...' - if tans=`sh -c hostname 2>&1` ; then - myhostname=$tans - phostname=hostname - cont='' - fi +: determine where public executable scripts go +set scriptdir scriptdir +eval $prefixit +case "$scriptdir" in +'') + dflt="$bin" + : guess some guesses + $test -d /usr/share/scripts && dflt=/usr/share/scripts + $test -d /usr/share/bin && dflt=/usr/share/bin + $test -d /usr/local/script && dflt=/usr/local/script + $test -d $prefixexp/script && dflt=$prefixexp/script + set dflt + eval $prefixup + ;; +*) dflt="$scriptdir" ;; -*) cont='';; esac -if $test "$cont"; then - if ./xenix; then - echo 'Oh, dear. Maybe "/etc/systemid" is the key...' - if tans=`cat /etc/systemid 2>&1` ; then - myhostname=$tans - phostname='cat /etc/systemid' - echo "Whadyaknow. Xenix always was a bit strange..." - cont='' - fi - elif $test -r /etc/systemid; then - echo "(What is a non-Xenix system doing with /etc/systemid?)" - fi -fi -if $test "$cont"; then - echo 'No, maybe "uuname -l" will work...' - if tans=`sh -c 'uuname -l' 2>&1` ; then - myhostname=$tans - phostname='uuname -l' - else - echo 'Strange. Maybe "uname -n" will work...' - if tans=`sh -c 'uname -n' 2>&1` ; then - myhostname=$tans - phostname='uname -n' - else - echo 'Oh well, maybe I can mine it out of whoami.h...' - if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then - myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'` - phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h" - else - case "$myhostname" in - '') echo "Does this machine have an identity crisis or something?" - phostname='';; - *) - echo "Well, you said $myhostname before..." - phostname='echo $myhostname';; - esac - fi - fi - fi +$cat <hosts - dflt=.`$awk "/[0-9].*$myhostname/ {for(i=2; i<=NF;i++) print \\\$i}" \ - hosts | $sort | $uniq | \ - $sed -n -e "s/$myhostname\.\([a-zA-Z_.]\)/\1/p"` - case "$dflt" in - .) echo "(You do not have fully-qualified names in /etc/hosts)" - tans=`./loc resolv.conf X /etc /usr/etc` - if $test -f "$tans"; then - echo "(Attempting domain name extraction from $tans)" - dflt=.`egrep '^domain' $tans | $sed 's/domain[ ]*\(.*\)/\1/' \ - | ./tr '[A-Z]' '[a-z]' 2>/dev/null` - fi - ;; - esac - case "$dflt" in - .) echo "(No help from resolv.conf either -- attempting clever guess)" - dflt=.`sh -c domainname 2>/dev/null` - case "$dflt" in - '') dflt='.';; - .nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;; - esac - ;; - esac - case "$dflt" in - .) echo "(Lost all hope -- silly guess then)" - dflt='.uucp' - ;; - esac - $rm -f hosts - ;; - *) dflt="$mydomain";; - esac;; -esac -echo " " -rp="What is your domain name?" -. ./myread -tans="$ans" -case "$ans" in -'') ;; -.*) ;; -*) tans=".$tans";; -esac -mydomain="$tans" - -: translate upper to lower if necessary -case "$mydomain" in -*[A-Z]*) - echo "(Normalizing case in your domain name)" - mydomain=`echo $mydomain | ./tr '[A-Z]' '[a-z]'` - ;; +: determine where site specific libraries go. +set sitelib sitelib +eval $prefixit +case "$sitelib" in +'') + prog=`echo $package | $sed 's/-*[0-9.]*$//'` + dflt="$privlib/site_$prog" ;; +*) dflt="$sitelib" ;; esac +$cat </dev/null 2>&1 - then - dflt="$dflt -posix" - fi - ;; +EOM + case "$installsitearch" in + '') dflt=`echo $sitearchexp | sed 's#^/afs/#/afs/.#'`;; + *) dflt="$installsitearch";; esac - ;; -esac - -case "$mips_type" in -*BSD*|'') inclwanted="$locincpth $usrinc";; -*) inclwanted="$locincpth $inclwanted $usrinc/bsd";; -esac -for thisincl in $inclwanted; do - if $test -d $thisincl; then - if $test x$thisincl != x$usrinc; then - case "$dflt" in - *$thisincl*);; - *) dflt="$dflt -I$thisincl";; - esac - fi - fi -done - -inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then - xxx=true; -elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then - xxx=true; -else - xxx=false; -fi; -if $xxx; then - case "$dflt" in - *$2*);; - *) dflt="$dflt -D$2";; - esac; -fi' - -if ./osf1; then - set signal.h __LANGUAGE_C__; eval $inctest + fn=de~ + rp='Where will site-specific architecture-dependent files be installed?' + . ./getfile + installsitearch="$ans" else - set signal.h LANGUAGE_C; eval $inctest + installsitearch="$sitearchexp" fi -set signal.h NO_PROTOTYPE; eval $inctest -set signal.h _NO_PROTO; eval $inctest -case "$dflt" in -'') dflt=none;; -esac -case "$ccflags" in -'') ;; -*) dflt="$ccflags";; +: see what memory models we can support +case "$models" in +'') + $cat >pdp11.c <<'EOP' +main() { +#ifdef pdp11 + exit(0); +#else + exit(1); +#endif +} +EOP + ( cc -o pdp11 pdp11.c ) >/dev/null 2>&1 + if $test -f pdp11 && ./pdp11 2>/dev/null; then + dflt='unsplit split' + else + tans=`./loc . X /lib/small /lib/large /usr/lib/small /usr/lib/large /lib/medium /usr/lib/medium /lib/huge` + case "$tans" in + X) dflt='none';; + *) if $test -d /lib/small || $test -d /usr/lib/small; then + dflt='small' + else + dflt='' + fi + if $test -d /lib/medium || $test -d /usr/lib/medium; then + dflt="$dflt medium" + fi + if $test -d /lib/large || $test -d /usr/lib/large; then + dflt="$dflt large" + fi + if $test -d /lib/huge || $test -d /usr/lib/huge; then + dflt="$dflt huge" + fi + esac + fi;; +*) dflt="$models";; esac -$cat <&4 - set X $cppflags - shift - cppflags='' - $cat >cpp.c <<'EOM' -#define BLURFL foo +models="$ans" -BLURFL xx LFRULB -EOM - previous='' - for flag in $* - do - case "$flag" in - -*) ftry="$flag";; - *) ftry="$previous $flag";; - esac - if $cppstdin -DLFRULB=bar $ftry $cppminus cpp1.out 2>/dev/null && \ - $cpprun -DLFRULB=bar $ftry $cpplast cpp2.out 2>/dev/null && \ - $contains 'foo.*xx.*bar' cpp1.out >/dev/null 2>&1 && \ - $contains 'foo.*xx.*bar' cpp2.out >/dev/null 2>&1 - then - cppflags="$cppflags $ftry" - previous='' +case "$models" in +none) + small='' + medium='' + large='' + huge='' + unsplit='' + split='' + ;; +*split) + case "$split" in + '') if $contains '\-i' $sysman/ld.1 >/dev/null 2>&1 || \ + $contains '\-i' $sysman/cc.1 >/dev/null 2>&1; then + dflt='-i' else - previous="$flag" - fi - done - set X $cppflags - shift - cppflags=${1+"$@"} - case "$cppflags" in - *-*) echo "They appear to be: $cppflags";; + dflt='none' + fi;; + *) dflt="$split";; esac - $rm -f cpp.c cpp?.out - ;; -esac - -: flags used in final linking phase - -case "$ldflags" in -'') if ./venix; then - dflt='-i -z' - else - dflt='' - fi - case "$ccflags" in - *-posix*) dflt="$dflt -posix" ;; + rp="What flag indicates separate I and D space?" + . ./myread + tans="$ans" + case "$tans" in + none) tans='';; esac - ;; -*) dflt="$ldflags";; -esac - -: Try to guess additional flags to pick up local libraries. -for thislibdir in $libpth; do - case " $loclibpth " in - *" $thislibdir "*) - case "$dflt " in - "-L$thislibdir ") ;; - *) dflt="$dflt -L$thislibdir" ;; + split="$tans" + unsplit='';; +*large*|*small*|*medium*|*huge*) + case "$models" in + *large*) + case "$large" in + '') dflt='-Ml';; + *) dflt="$large";; esac - ;; + rp="What flag indicates large model?" + . ./myread + tans="$ans" + case "$tans" in + none) tans=''; esac -done - -case "$dflt" in -'') dflt='none' ;; -esac - -$cat <&4 + ;; esac -rmlist="$rmlist pdp11" +$rm -f pdp11.* pdp11 -: coherency check +: see if we need a special compiler echo " " -echo "Checking your choice of C compiler and flags for coherency..." >&4 -set X $cc $optimize $ccflags $ldflags try.c -o try -shift -$cat >try.msg </dev/null 2>&1 ; then + if $contains '\-M' $sysman/cpp.1 >/dev/null 2>&1; then + dflt='cc' + else + dflt='cc -M' + fi + else + dflt='cc' + fi;; + esac;; + esac;; + *) dflt="$cc";; + esac + $cat <<'EOM' +On some systems the default C compiler will not resolve multiple global +references that happen to have the same name. On some such systems the "Mcc" +command may be used to force these to be resolved. On other systems a "cc -M" +command is required. (Note that the -M flag on other systems indicates a +memory model to use!) If you have the Gnu C compiler, you might wish to use +that instead. EOM -$cat > try.c <<'EOF' -#include -main() { exit(0); } -EOF -dflt=y -if sh -c "$cc $optimize $ccflags try.c -o try $ldflags" >>try.msg 2>&1; then - if sh -c './try' >>try.msg 2>&1; then - dflt=n - else - echo "The program compiled OK, but exited with status $?." >>try.msg - rp="You have a problem. Shall I abort Configure" - dflt=y - fi + rp="What command will force resolution on this system?" + . ./myread + cc="$ans" else - echo "I can't compile the test program." >>try.msg - rp="You have a BIG problem. Shall I abort Configure" - dflt=y + case "$cc" in + '') dflt=cc;; + *) dflt="$cc";; + esac + rp="Use which C compiler?" + . ./myread + cc="$ans" fi -case "$dflt" in -y) - $cat try.msg - case "$knowitall" in - '') - echo "(The supplied flags might be incorrect with this C compiler.)" - ;; - *) dflt=n;; +echo " " +echo "Checking for GNU cc in disguise and/or its version number..." >&4 +$cat >gccvers.c < +int main() { +#ifdef __GNUC__ +#ifdef __VERSION__ + printf("%s\n", __VERSION__); +#else + printf("%s\n", "1"); +#endif +#endif + exit(0); +} +EOM +if $cc -o gccvers gccvers.c >/dev/null 2>&1; then + gccversion=`./gccvers` + case "$gccversion" in + '') echo "You are not using GNU cc." ;; + *) echo "You are using GNU cc $gccversion." ;; esac +else echo " " - . ./myread - case "$ans" in - n*|N*) ;; - *) echo "Ok. Stopping Configure." >&4 + echo "*** WHOA THERE!!! ***" >&4 + echo " Your C compiler \"$cc\" doesn't seem to be working!" >&4 + case "$knowitall" in + '') + echo " You'd better start hunting for one and let me know about it." >&4 exit 1 ;; esac +fi +$rm -f gccvers* +case "$gccversion" in +1*) cpp=`./loc gcc-cpp $cpp $pth` ;; +esac + +: What should the include directory be ? +echo " " +$echo $n "Hmm... $c" +dflt='/usr/include' +incpath='' +mips_type='' +if $test -f /bin/mips && /bin/mips; then + echo "Looks like a MIPS system..." + $cat >usr.c <<'EOCP' +#ifdef SYSTYPE_BSD43 +/bsd43 +#endif +EOCP + if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then + dflt='/bsd43/usr/include' + incpath='/bsd43' + mips_type='BSD 4.3' + else + mips_type='System V' + fi + $rm -f usr.c usr.out + echo "and you're compiling with the $mips_type compiler and libraries." + xxx_prompt=y + echo "exit 0" >mips +else + echo "Doesn't look like a MIPS system." + xxx_prompt=n + echo "exit 1" >mips +fi +chmod +x mips +$eunicefix mips +case "$usrinc" in +'') ;; +*) dflt="$usrinc";; +esac +case "$xxx_prompt" in +y) fn=d/ + echo " " + rp='Where are the include files you want to use?' + . ./getfile + usrinc="$ans" + ;; +*) usrinc="$dflt" ;; -n) echo "OK, that should do.";; esac -$rm -f try try.* core + +: Set private lib path +case "$plibpth" in +'') if ./mips; then + plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib" + fi;; +esac +case "$libpth" in +' ') dlist='';; +'') dlist="$loclibpth $plibpth $glibpth";; +*) dlist="$libpth";; +esac + +: Now check and see which directories actually exist, avoiding duplicates +libpth='' +for xxx in $dlist +do + if $test -d $xxx; then + case " $libpth " in + *" $xxx "*) ;; + *) libpth="$libpth $xxx";; + esac + fi +done +$cat <<'EOM' + +Some systems have incompatible or broken versions of libraries. Among +the directories listed in the question below, please remove any you +know not to be holding relevant libraries, and add any that are needed. +Say "none" for none. + +EOM +case "$libpth" in +'') dflt='none';; +*) + set X $libpth + shift + dflt=${1+"$@"} + ;; +esac +rp="Directories to use for library searches?" +. ./myread +case "$ans" in +none) libpth=' ';; +*) libpth="$ans";; +esac : compute shared library extension case "$so" in @@ -3803,9 +3773,51 @@ rp='What is the file extension used for shared libraries?' . ./myread so="$ans" -: Looking for optional libraries -echo " " -echo "Checking for optional libraries..." >&4 +: Define several unixisms. +: Hints files or command line option can be used to override them. +: The convoluted testing is in case hints files set either the old +: or the new name. +case "$_exe" in +'') case "$exe_ext" in + '') ;; + *) _exe="$exe_ext" ;; + esac + ;; +esac +case "$_a" in +'') case "$lib_ext" in + '') _a='.a';; + *) _a="$lib_ext" ;; + esac + ;; +esac +case "$_o" in +'') case "$obj_ext" in + '') _o='.o';; + *) _o="$obj_ext";; + esac + ;; +esac +case "$p_" in +'') case "$path_sep" in + '') p_=':';; + *) p_="$path_sep";; + esac + ;; +esac +exe_ext=$_exe +lib_ext=$_a +obj_ext=$_o +path_sep=$p_ + +: Which makefile gets called first. This is used by make depend. +case "$firstmakefile" in +'') firstmakefile='makefile';; +esac + +: Looking for optional libraries +echo " " +echo "Checking for optional libraries..." >&4 case "$libs" in ' '|'') dflt='';; *) dflt="$libs";; @@ -3827,25 +3839,25 @@ for thislib in $libswanted; do *"-l$thislib "*);; *) dflt="$dflt -l$thislib";; esac - elif xxx=`./loc lib$thislib.a X $libpth`; $test -f "$xxx"; then + elif xxx=`./loc lib$thislib$_a X $libpth`; $test -f "$xxx"; then echo "Found -l$thislib." case " $dflt " in *"-l$thislib "*);; *) dflt="$dflt -l$thislib";; esac - elif xxx=`./loc $thislib.a X $libpth`; $test -f "$xxx"; then + elif xxx=`./loc $thislib$_a X $libpth`; $test -f "$xxx"; then echo "Found -l$thislib." case " $dflt " in *"-l$thislib "*);; *) dflt="$dflt -l$thislib";; esac - elif xxx=`./loc lib${thislib}_s.a X $libpth`; $test -f "$xxx"; then + elif xxx=`./loc lib${thislib}_s$_a X $libpth`; $test -f "$xxx"; then echo "Found -l${thislib}_s." case " $dflt " in *"-l$thislib "*);; *) dflt="$dflt -l${thislib}_s";; esac - elif xxx=`./loc Slib$thislib.a X $xlibpth`; $test -f "$xxx"; then + elif xxx=`./loc Slib$thislib$_a X $xlibpth`; $test -f "$xxx"; then echo "Found -l$thislib." case " $dflt " in *"-l$thislib "*);; @@ -3871,7 +3883,7 @@ $cat </dev/null` - if $test $dflt -gt 20; then - dflt=y +: see how we invoke the C preprocessor +echo " " +echo "Now, how can we feed standard input to your C preprocessor..." >&4 +cat <<'EOT' >testcpp.c +#define ABC abc +#define XYZ xyz +ABC.XYZ +EOT +cd .. +echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin +chmod 755 cppstdin +wrapper=`pwd`/cppstdin +ok='false' +cd UU + +if $test "X$cppstdin" != "X" && \ + $cppstdin $cppminus testcpp.out 2>&1 && \ + $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 +then + echo "You used to use $cppstdin $cppminus so we'll use that again." + case "$cpprun" in + '') echo "But let's see if we can live without a wrapper..." ;; + *) + if $cpprun $cpplast testcpp.out 2>&1 && \ + $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 + then + echo "(And we'll use $cpprun $cpplast to preprocess directly.)" + ok='true' + else + echo "(However, $cpprun $cpplast does not work, let's see...)" + fi + ;; + esac +else + case "$cppstdin" in + '') ;; + *) + echo "Good old $cppstdin $cppminus does not seem to be of any help..." + ;; + esac +fi + +if $ok; then + : nothing +elif echo 'Maybe "'"$cc"' -E" will work...'; \ + $cc -E testcpp.out 2>&1; \ + $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then + echo "Yup, it does." + x_cpp="$cc -E" + x_minus=''; +elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \ + $cc -E - testcpp.out 2>&1; \ + $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then + echo "Yup, it does." + x_cpp="$cc -E" + x_minus='-'; +elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \ + $cc -P testcpp.out 2>&1; \ + $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then + echo "Yipee, that works!" + x_cpp="$cc -P" + x_minus=''; +elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \ + $cc -P - testcpp.out 2>&1; \ + $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then + echo "At long last!" + x_cpp="$cc -P" + x_minus='-'; +elif echo 'No such luck, maybe "'$cpp'" will work...'; \ + $cpp testcpp.out 2>&1; \ + $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then + echo "It works!" + x_cpp="$cpp" + x_minus=''; +elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \ + $cpp - testcpp.out 2>&1; \ + $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then + echo "Hooray, it works! I was beginning to wonder." + x_cpp="$cpp" + x_minus='-'; +elif echo 'Uh-uh. Time to get fancy. Trying a wrapper...'; \ + $wrapper testcpp.out 2>&1; \ + $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then + x_cpp="$wrapper" + x_minus='' + echo "Eureka!" +else + dflt='' + rp="No dice. I can't find a C preprocessor. Name one:" + . ./myread + x_cpp="$ans" + x_minus='' + $x_cpp testcpp.out 2>&1 + if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then + echo "OK, that will do." >&4 else - dflt=n +echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4 + exit 1 fi - ;; -*) - case "$usenm" in - true) dflt=y;; - *) dflt=n;; +fi + +case "$ok" in +false) + cppstdin="$x_cpp" + cppminus="$x_minus" + cpprun="$x_cpp" + cpplast="$x_minus" + set X $x_cpp + shift + case "$1" in + "$cpp") + echo "Perhaps can we force $cc -E using a wrapper..." + if $wrapper testcpp.out 2>&1; \ + $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 + then + echo "Yup, we can." + cppstdin="$wrapper" + cppminus=''; + else + echo "Nope, we'll have to live without it..." + fi + ;; + esac + case "$cpprun" in + "$wrapper") + cpprun='' + cpplast='' + ;; esac ;; esac -$cat </dev/null 2>&1 + then + dflt="$dflt -posix" fi - libnames="$libnames $try" ;; - *) libnames="$libnames $thislib" ;; esac - done - ;; -esac -xxx=normal -case "$libc" in -unknown) - set /usr/ccs/lib/libc.$so - $test -r $1 || set /usr/lib/libc.$so - $test -r $1 || set /usr/shlib/libc.$so - $test -r $1 || \ - set `echo blurfl; echo /usr/lib/libc.$so.[0-9]* | \ - tr ' ' '\012' | egrep -v '\.[A-Za-z]*$' | $sed -e ' - h - s/[0-9][0-9]*/0000&/g - s/0*\([0-9][0-9][0-9][0-9][0-9]\)/\1/g - G - s/\n/ /' | \ - sort | $sed -e 's/^.* //'` - eval set \$$# - $test -r $1 || set /lib/libc.$so - $test -r $1 || set /lib/libsys_s.a - ;; -*) - set blurfl ;; esac -if $test -r "$1"; then - echo "Your (shared) C library seems to be in $1." - libc="$1" -elif $test -r /lib/libc && $test -r /lib/clib; then - echo "Your C library seems to be in both /lib/clib and /lib/libc." - xxx=apollo - libc='/lib/clib /lib/libc' - if $test -r /lib/syslib; then - echo "(Your math library is in /lib/syslib.)" - libc="$libc /lib/syslib" - fi -elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then - echo "Your C library seems to be in $libc, as you said before." -elif $test -r $incpath/usr/lib/libc.a; then - libc=$incpath/usr/lib/libc.a; - echo "Your C library seems to be in $libc. That's fine." -elif $test -r /lib/libc.a; then - libc=/lib/libc.a; - echo "Your C library seems to be in $libc. You're normal." -else - if tans=`./loc libc.a blurfl/dyick $libpth`; $test -r "$tans"; then - : - elif tans=`./loc libc blurfl/dyick $libpth`; $test -r "$tans"; then - libnames="$libnames "`./loc clib blurfl/dyick $libpth` - elif tans=`./loc clib blurfl/dyick $libpth`; $test -r "$tans"; then - : - elif tans=`./loc Slibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then - : - elif tans=`./loc Mlibc.a blurfl/dyick $xlibpth`; $test -r "$tans"; then - : - else - tans=`./loc Llibc.a blurfl/dyick $xlibpth` - fi - if $test -r "$tans"; then - echo "Your C library seems to be in $tans, of all places." - libc=$tans - else - libc='blurfl' + +case "$mips_type" in +*BSD*|'') inclwanted="$locincpth $usrinc";; +*) inclwanted="$locincpth $inclwanted $usrinc/bsd";; +esac +for thisincl in $inclwanted; do + if $test -d $thisincl; then + if $test x$thisincl != x$usrinc; then + case "$dflt" in + *$thisincl*);; + *) dflt="$dflt -I$thisincl";; + esac + fi fi -fi -if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then - dflt="$libc" - cat < libpath - cat >&4 < libnames -set X `cat libnames` +To use no flags, specify the word "none". + +EOH +set X $dflt shift -xxx=files -case $# in 1) xxx=file; esac -echo "Extracting names from the following $xxx for later perusal:" >&4 -echo " " -$sed 's/^/ /' libnames >&4 -echo " " -$echo $n "This may take a while...$c" >&4 +dflt=${1+"$@"} +rp="Any additional cc flags?" +. ./myread +case "$ans" in +none) ccflags='';; +*) ccflags="$ans";; +esac -nm $nm_opt $* 2>/dev/null >libc.tmp -$echo $n ".$c" -$grep fprintf libc.tmp > libc.ptf -xscan='eval "libc.list"; $echo $n ".$c" >&4' -xrun='eval "libc.list"; echo "done" >&4' -xxx='[ADTSIW]' -if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx *_[_.]*//p' -e 's/^.* $xxx //p'";\ - eval $xscan;\ - $contains '^fprintf$' libc.list >/dev/null 2>&1; then - eval $xrun -elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\ - eval $xscan;\ - $contains '^fprintf$' libc.list >/dev/null 2>&1; then - eval $xrun -elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\ - eval $xscan;\ - $contains '^fprintf$' libc.list >/dev/null 2>&1; then - eval $xrun -elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\ - eval $xscan;\ - $contains '^fprintf$' libc.list >/dev/null 2>&1; then - eval $xrun -elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\ - eval $xscan;\ - $contains '^fprintf$' libc.list >/dev/null 2>&1; then - eval $xrun -elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\ - eval $xscan;\ - $contains '^fprintf$' libc.list >/dev/null 2>&1; then - eval $xrun -elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \ - -e '/ file/d' -e 's/^\([^ ]*\).*/\1/p'";\ - eval $xscan;\ - $contains '^fprintf$' libc.list >/dev/null 2>&1; then - eval $xrun -elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\ - eval $xscan;\ - $contains '^fprintf$' libc.list >/dev/null 2>&1; then - eval $xrun -elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\ - eval $xscan;\ - $contains '^fprintf$' libc.list >/dev/null 2>&1; then - eval $xrun -elif com="$sed -n -e '/Def. Text/s/.* \([^ ]*\)\$/\1/p'";\ - eval $xscan;\ - $contains '^fprintf$' libc.list >/dev/null 2>&1; then - eval $xrun -elif com="$sed -n -e 's/^[-0-9a-f ]*_\(.*\)=.*/\1/p'";\ - eval $xscan;\ - $contains '^fprintf$' libc.list >/dev/null 2>&1; then - eval $xrun -else - nm -p $* 2>/dev/null >libc.tmp - $grep fprintf libc.tmp > libc.ptf - if com="$sed -n -e 's/^.* [ADTSIW] *_[_.]*//p' -e 's/^.* [ADTSIW] //p'";\ - eval $xscan; $contains '^fprintf$' libc.list >/dev/null 2>&1 - then - nm_opt='-p' - eval $xrun - else - echo " " - echo "nm didn't seem to work right. Trying ar instead..." >&4 - com='' - if ar t $libc > libc.tmp; then - for thisname in $libnames; do - ar t $thisname >>libc.tmp - done - $sed -e 's/\.o$//' < libc.tmp > libc.list - echo "Ok." >&4 +: the following weeds options from ccflags that are of no interest to cpp +cppflags="$ccflags" +case "$gccversion" in +1*) cppflags="$cppflags -D__GNUC__" +esac +case "$mips_type" in +'');; +*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";; +esac +case "$cppflags" in +'');; +*) + echo " " + echo "Let me guess what the preprocessor flags are..." >&4 + set X $cppflags + shift + cppflags='' + $cat >cpp.c <<'EOM' +#define BLURFL foo + +BLURFL xx LFRULB +EOM + previous='' + for flag in $* + do + case "$flag" in + -*) ftry="$flag";; + *) ftry="$previous $flag";; + esac + if $cppstdin -DLFRULB=bar $cppflags $ftry $cppminus cpp1.out 2>/dev/null && \ + $cpprun -DLFRULB=bar $cppflags $ftry $cpplast cpp2.out 2>/dev/null && \ + $contains 'foo.*xx.*bar' cpp1.out >/dev/null 2>&1 && \ + $contains 'foo.*xx.*bar' cpp2.out >/dev/null 2>&1 + then + cppflags="$cppflags $ftry" + previous='' else - echo "ar didn't seem to work right." >&4 - echo "Maybe this is a Cray...trying bld instead..." >&4 - if bld t $libc | $sed -e 's/.*\///' -e 's/\.o:.*$//' > libc.list - then - for thisname in $libnames; do - bld t $libnames | \ - $sed -e 's/.*\///' -e 's/\.o:.*$//' >>libc.list - ar t $thisname >>libc.tmp - done - echo "Ok." >&4 - else - echo "That didn't work either. Giving up." >&4 - exit 1 - fi + previous="$flag" fi - fi -fi -nm_extract="$com" -if $test -f /lib/syscalls.exp; then - echo " " - echo "Also extracting names from /lib/syscalls.exp for good ole AIX..." >&4 - $sed -n 's/^\([^ ]*\)[ ]*syscall$/\1/p' /lib/syscalls.exp >>libc.list -fi -;; + done + set X $cppflags + shift + cppflags=${1+"$@"} + case "$cppflags" in + *-*) echo "They appear to be: $cppflags";; + esac + $rm -f cpp.c cpp?.out + ;; esac -$rm -f libnames libpath -: is a C symbol defined? -csym='tlook=$1; -case "$3" in --v) tf=libc.tmp; tc=""; tdc="";; --a) tf=libc.tmp; tc="[0]"; tdc="[]";; -*) tlook="^$1\$"; tf=libc.list; tc="()"; tdc="()";; -esac; -tx=yes; -case "$reuseval-$4" in -true-) ;; -true-*) tx=no; eval "tval=\$$4"; case "$tval" in "") tx=yes;; esac;; -esac; -case "$tx" in -yes) - case "$runnm" in - true) - if $contains $tlook $tf >/dev/null 2>&1; - then tval=true; - else tval=false; - fi;; +: flags used in final linking phase +case "$ldflags" in +'') if ./venix; then + dflt='-i -z' + else + dflt='' + fi + case "$ccflags" in + *-posix*) dflt="$dflt -posix" ;; + esac + ;; +*) dflt="$ldflags";; +esac + +: Try to guess additional flags to pick up local libraries. +for thislibdir in $libpth; do + case " $loclibpth " in + *" $thislibdir "*) + case "$dflt " in + *"-L$thislibdir "*) ;; + *) dflt="$dflt -L$thislibdir" ;; + esac + ;; + esac +done + +case "$dflt" in +'') dflt='none' ;; +esac + +$cat <&4 +set X $cc $optimize $ccflags $ldflags -o try try.c $libs +shift +$cat >try.msg < try.c <<'EOF' +#include +main() { printf("Ok\n"); exit(0); } +EOF +dflt=y +if sh -c "$cc $optimize $ccflags $ldflags -o try try.c $libs" >>try.msg 2>&1; then + if sh -c './try' >>try.msg 2>&1; then + xxx=`./try` + case "$xxx" in + "Ok") dflt=n ;; + *) echo 'The program compiled OK, but produced no output.' >> try.msg + case " $libs " in + *" -lsfio "*) + cat >> try.msg <<'EOQS' +If $libs contains -lsfio, and sfio is mis-configured, then it +sometimes (apparently) runs and exits with a 0 status, but with no +output! It may have to do with sfio's use of _exit vs. exit. + +EOQS + rp="You have a big problem. Shall I abort Configure" + dflt=y + ;; + esac + ;; + esac + else + echo "The program compiled OK, but exited with status $?." >>try.msg + rp="You have a problem. Shall I abort Configure" + dflt=y + fi +else + echo "I can't compile the test program." >>try.msg + rp="You have a BIG problem. Shall I abort Configure" + dflt=y +fi +case "$dflt" in +y) + $cat try.msg >&4 + case "$knowitall" in + '') + echo "(The supplied flags might be incorrect with this C compiler.)" + ;; + *) dflt=n;; + esac + echo " " + . ./myread + case "$ans" in + n*|N*) ;; + *) echo "Ok. Stopping Configure." >&4 + exit 1 + ;; + esac + ;; +n) echo "OK, that should do.";; +esac +$rm -f try try.* core + +: define a shorthand compile call +compile=' +mc_file=$1; +shift; +$cc $optimize $ccflags $ldflags -o ${mc_file}$_exe $* ${mc_file}.c $libs > /dev/null 2>&1;' + +echo " " +echo "Checking for GNU C Library..." >&4 +cat >gnulibc.c </dev/null 2>&1; then + val="$define" + echo "You are using the GNU C Library" +else + val="$undef" + echo "You are not using the GNU C Library" +fi +$rm -f gnulibc* +set d_gnulibc +eval $setvar + +: see if nm is to be used to determine whether a symbol is defined or not +case "$usenm" in +'') + case "$d_gnulibc" in + $define) + dflt=n + ;; *) - echo "main() { extern short $1$tdc; printf(\"%hd\", $1$tc); }" > t.c; - if $cc $ccflags $ldflags -o t t.c $libs >/dev/null 2>&1; - then tval=true; - else tval=false; - fi; - $rm -f t t.c;; - esac;; + dflt=`egrep 'inlibc|csym' ../Configure | wc -l 2>/dev/null` + if $test $dflt -gt 20; then + dflt=y + else + dflt=n + fi + ;; + esac + ;; *) - case "$tval" in - $define) tval=true;; - *) tval=false;; - esac;; -esac; -eval "$2=$tval"' + case "$usenm" in + true) dflt=y;; + *) dflt=n;; + esac + ;; +esac +$cat < /dev/null 2>&1; then + nm_so_opt='--dynamic' + fi + ;; + esac + ;; +esac + +case "$runnm" in +true) +: get list of predefined functions in a handy place +echo " " +case "$libc" in +'') libc=unknown + case "$libs" in + *-lc_s*) libc=`./loc libc_s$_a $libc $libpth` + esac + ;; +esac +libnames=''; +case "$libs" in +'') ;; +*) for thislib in $libs; do + case "$thislib" in + -lc|-lc_s) + : Handle C library specially below. + ;; + -l*) + thislib=`echo $thislib | $sed -e 's/^-l//'` + if try=`./loc lib$thislib.$so.'*' X $libpth`; $test -f "$try"; then + : + elif try=`./loc lib$thislib.$so X $libpth`; $test -f "$try"; then + : + elif try=`./loc lib$thislib$_a X $libpth`; $test -f "$try"; then + : + elif try=`./loc $thislib$_a X $libpth`; $test -f "$try"; then + : + elif try=`./loc lib$thislib X $libpth`; $test -f "$try"; then + : + elif try=`./loc $thislib X $libpth`; $test -f "$try"; then + : + elif try=`./loc Slib$thislib$_a X $xlibpth`; $test -f "$try"; then + : + else + try='' + fi + libnames="$libnames $try" + ;; + *) libnames="$libnames $thislib" ;; + esac + done + ;; +esac +xxx=normal +case "$libc" in +unknown) + set /lib/libc.$so + for xxx in $libpth; do + $test -r $1 || set $xxx/libc.$so + : The messy sed command sorts on library version numbers. + $test -r $1 || \ + set `echo blurfl; echo $xxx/libc.$so.[0-9]* | \ + tr ' ' '\012' | egrep -v '\.[A-Za-z]*$' | $sed -e ' + h + s/[0-9][0-9]*/0000&/g + s/0*\([0-9][0-9][0-9][0-9][0-9]\)/\1/g + G + s/\n/ /' | \ + sort | $sed -e 's/^.* //'` + eval set \$$# + done + $test -r $1 || set /usr/ccs/lib/libc.$so + $test -r $1 || set /lib/libsys_s$_a + ;; +*) + set blurfl + ;; +esac +if $test -r "$1"; then + echo "Your (shared) C library seems to be in $1." + libc="$1" +elif $test -r /lib/libc && $test -r /lib/clib; then + echo "Your C library seems to be in both /lib/clib and /lib/libc." + xxx=apollo + libc='/lib/clib /lib/libc' + if $test -r /lib/syslib; then + echo "(Your math library is in /lib/syslib.)" + libc="$libc /lib/syslib" + fi +elif $test -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then + echo "Your C library seems to be in $libc, as you said before." +elif $test -r $incpath/usr/lib/libc$_a; then + libc=$incpath/usr/lib/libc$_a; + echo "Your C library seems to be in $libc. That's fine." +elif $test -r /lib/libc$_a; then + libc=/lib/libc$_a; + echo "Your C library seems to be in $libc. You're normal." +else + if tans=`./loc libc$_a blurfl/dyick $libpth`; $test -r "$tans"; then + : + elif tans=`./loc libc blurfl/dyick $libpth`; $test -r "$tans"; then + libnames="$libnames "`./loc clib blurfl/dyick $libpth` + elif tans=`./loc clib blurfl/dyick $libpth`; $test -r "$tans"; then + : + elif tans=`./loc Slibc$_a blurfl/dyick $xlibpth`; $test -r "$tans"; then + : + elif tans=`./loc Mlibc$_a blurfl/dyick $xlibpth`; $test -r "$tans"; then + : + else + tans=`./loc Llibc$_a blurfl/dyick $xlibpth` + fi + if $test -r "$tans"; then + echo "Your C library seems to be in $tans, of all places." + libc=$tans + else + libc='blurfl' + fi +fi +if $test $xxx = apollo -o -r "$libc" || (test -h "$libc") >/dev/null 2>&1; then + dflt="$libc" + cat < libpath + cat >&4 < libnames +set X `cat libnames` +shift +xxx=files +case $# in 1) xxx=file; esac +echo "Extracting names from the following $xxx for later perusal:" >&4 +echo " " +$sed 's/^/ /' libnames >&4 +echo " " +$echo $n "This may take a while...$c" >&4 + +for file in $*; do + case $file in + *$so*) nm $nm_so_opt $nm_opt $file 2>/dev/null;; + *) nm $nm_opt $file 2>/dev/null;; + esac +done >libc.tmp + +$echo $n ".$c" +$grep fprintf libc.tmp > libc.ptf +xscan='eval "libc.list"; $echo $n ".$c" >&4' +xrun='eval "libc.list"; echo "done" >&4' +xxx='[ADTSIW]' +if com="$sed -n -e 's/__IO//' -e 's/^.* $xxx *_[_.]*//p' -e 's/^.* $xxx *//p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$sed -n -e 's/^__*//' -e 's/^\([a-zA-Z_0-9$]*\).*xtern.*/\1/p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$sed -n -e '/|UNDEF/d' -e '/FUNC..GL/s/^.*|__*//p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$sed -n -e 's/^.* D __*//p' -e 's/^.* D //p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$sed -n -e 's/^_//' -e 's/^\([a-zA-Z_0-9]*\).*xtern.*text.*/\1/p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$grep '|' | $sed -n -e '/|COMMON/d' -e '/|DATA/d' \ + -e '/ file/d' -e 's/^\([^ ]*\).*/\1/p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$sed -n -e 's/^.*|FUNC |GLOB .*|//p' -e 's/^.*|FUNC |WEAK .*|//p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$sed -n -e 's/^__//' -e '/|Undef/d' -e '/|Proc/s/ .*//p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$sed -n -e 's/^.*|Proc .*|Text *| *//p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$sed -n -e '/Def. Text/s/.* \([^ ]*\)\$/\1/p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$sed -n -e 's/^[-0-9a-f ]*_\(.*\)=.*/\1/p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +elif com="$sed -n -e 's/.*\.text n\ \ \ \.//p'";\ + eval $xscan;\ + $contains '^fprintf$' libc.list >/dev/null 2>&1; then + eval $xrun +else + nm -p $* 2>/dev/null >libc.tmp + $grep fprintf libc.tmp > libc.ptf + if com="$sed -n -e 's/^.* [ADTSIW] *_[_.]*//p' -e 's/^.* [ADTSIW] //p'";\ + eval $xscan; $contains '^fprintf$' libc.list >/dev/null 2>&1 + then + nm_opt='-p' + eval $xrun + else + echo " " + echo "nm didn't seem to work right. Trying ar instead..." >&4 + com='' + if ar t $libc > libc.tmp; then + for thisname in $libnames; do + ar t $thisname >>libc.tmp + done + $sed -e "s/\\$_o\$//" < libc.tmp > libc.list + echo "Ok." >&4 + else + echo "ar didn't seem to work right." >&4 + echo "Maybe this is a Cray...trying bld instead..." >&4 + if bld t $libc | $sed -e 's/.*\///' -e "s/\\$_o:.*\$//" > libc.list + then + for thisname in $libnames; do + bld t $libnames | \ + $sed -e 's/.*\///' -e "s/\\$_o:.*\$//" >>libc.list + ar t $thisname >>libc.tmp + done + echo "Ok." >&4 + else + echo "That didn't work either. Giving up." >&4 + exit 1 + fi + fi + fi +fi +nm_extract="$com" +if $test -f /lib/syscalls.exp; then + echo " " + echo "Also extracting names from /lib/syscalls.exp for good ole AIX..." >&4 + $sed -n 's/^\([^ ]*\)[ ]*syscall$/\1/p' /lib/syscalls.exp >>libc.list +fi +;; +esac +$rm -f libnames libpath + +: determine filename position in cpp output +echo " " +echo "Computing filename position in cpp output for #include directives..." >&4 +echo '#include ' > foo.c +$cat >fieldn </dev/null | \ +$grep '^[ ]*#.*stdio\.h' | \ +while read cline; do + pos=1 + set \$cline + while $test \$# -gt 0; do + if $test -r \`echo \$1 | $tr -d '"'\`; then + echo "\$pos" + exit 0 + fi + shift + pos=\`expr \$pos + 1\` + done +done +EOF +chmod +x fieldn +fieldn=`./fieldn` +$rm -f foo.c fieldn +case $fieldn in +'') pos='???';; +1) pos=first;; +2) pos=second;; +3) pos=third;; +*) pos="${fieldn}th";; +esac +echo "Your cpp writes the filename in the $pos field of the line." + +: locate header file +$cat >findhdr <" > foo\$\$.c +$cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \ +$grep "^[ ]*#.*\$wanted" | \ +while read cline; do + name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\` + case "\$name" in + */\$wanted) echo "\$name"; exit 0;; + *) name='';; + esac; +done; +$rm -f foo\$\$.c; +case "\$name" in +'') exit 1;; +esac +EOF +chmod +x findhdr + +: define an alternate in-header-list? function +inhdr='echo " "; td=$define; tu=$undef; yyy=$@; +cont=true; xxf="echo \"<\$1> found.\" >&4"; +case $# in 2) xxnf="echo \"<\$1> NOT found.\" >&4";; +*) xxnf="echo \"<\$1> NOT found, ...\" >&4";; +esac; +case $# in 4) instead=instead;; *) instead="at last";; esac; +while $test "$cont"; do + xxx=`./findhdr $1` + var=$2; eval "was=\$$2"; + if $test "$xxx" && $test -r "$xxx"; + then eval $xxf; + eval "case \"\$$var\" in $undef) . ./whoa; esac"; eval "$var=\$td"; + cont=""; + else eval $xxnf; + eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; fi; + set $yyy; shift; shift; yyy=$@; + case $# in 0) cont="";; + 2) xxf="echo \"but I found <\$1> $instead.\" >&4"; + xxnf="echo \"and I did not find <\$1> either.\" >&4";; + *) xxf="echo \"but I found <\$1\> instead.\" >&4"; + xxnf="echo \"there is no <\$1>, ...\" >&4";; + esac; +done; +while $test "$yyy"; +do set $yyy; var=$2; eval "was=\$$2"; + eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; + set $yyy; shift; shift; yyy=$@; +done' + +: see if dld is available +set dld.h i_dld +eval $inhdr + +: is a C symbol defined? +csym='tlook=$1; +case "$3" in +-v) tf=libc.tmp; tc=""; tdc="";; +-a) tf=libc.tmp; tc="[0]"; tdc="[]";; +*) tlook="^$1\$"; tf=libc.list; tc="()"; tdc="()";; +esac; +tx=yes; +case "$reuseval-$4" in +true-) ;; +true-*) tx=no; eval "tval=\$$4"; case "$tval" in "") tx=yes;; esac;; +esac; +case "$tx" in +yes) + case "$runnm" in + true) + if $contains $tlook $tf >/dev/null 2>&1; + then tval=true; + else tval=false; + fi;; + *) + echo "main() { extern short $1$tdc; printf(\"%hd\", $1$tc); }" > t.c; + if $cc $optimize $ccflags $ldflags -o t t.c $libs >/dev/null 2>&1; + then tval=true; + else tval=false; + fi; + $rm -f t t.c;; + esac;; +*) + case "$tval" in + $define) tval=true;; + *) tval=false;; + esac;; +esac; +eval "$2=$tval"' + +: define an is-in-libc? function +inlibc='echo " "; td=$define; tu=$undef; +sym=$1; var=$2; eval "was=\$$2"; +tx=yes; +case "$reuseval$was" in +true) ;; +true*) tx=no;; +esac; +case "$tx" in +yes) + set $sym tres -f; + eval $csym; + case "$tres" in + true) + echo "$sym() found." >&4; + case "$was" in $undef) . ./whoa; esac; eval "$var=\$td";; + *) + echo "$sym() NOT found." >&4; + case "$was" in $define) . ./whoa; esac; eval "$var=\$tu";; + esac;; +*) + case "$was" in + $define) echo "$sym() found." >&4;; + *) echo "$sym() NOT found." >&4;; + esac;; +esac' + +: see if dlopen exists +xxx_runnm="$runnm" +runnm=false +set dlopen d_dlopen +eval $inlibc +runnm="$xxx_runnm" + +: determine which dynamic loading, if any, to compile in +echo " " +dldir="ext/DynaLoader" +case "$usedl" in +$define|y|true) + dflt='y' + usedl="$define" + ;; +$undef|n|false) + dflt='n' + usedl="$undef" + ;; +*) + dflt='n' + case "$d_dlopen" in + $define) dflt='y' ;; + esac + case "$i_dld" in + $define) dflt='y' ;; + esac + : Does a dl_xxx.xs file exist for this operating system + $test -f ../$dldir/dl_${osname}.xs && dflt='y' + ;; +esac +rp="Do you wish to use dynamic loading?" +. ./myread +usedl="$ans" +case "$ans" in +y*) usedl="$define" + case "$dlsrc" in + '') + if $test -f ../$dldir/dl_${osname}.xs ; then + dflt="$dldir/dl_${osname}.xs" + elif $test "$d_dlopen" = "$define" ; then + dflt="$dldir/dl_dlopen.xs" + elif $test "$i_dld" = "$define" ; then + dflt="$dldir/dl_dld.xs" + else + dflt='' + fi + ;; + *) dflt="$dldir/$dlsrc" + ;; + esac + echo "The following dynamic loading files are available:" + : Can not go over to $dldir because getfile has path hard-coded in. + cd ..; ls -C $dldir/dl*.xs; cd UU + rp="Source file to use for dynamic loading" + fn="fne" + . ./getfile + usedl="$define" + : emulate basename + dlsrc=`echo $ans | $sed -e 's@.*/\([^/]*\)$@\1@'` + + $cat << EOM + +Some systems may require passing special flags to $cc -c to +compile modules that will be used to create a shared library. +To use no flags, say "none". + +EOM + case "$cccdlflags" in + '') case "$gccversion" in + '') case "$osname" in + hpux) dflt='+z' ;; + next) dflt='none' ;; + irix*) dflt='-KPIC' ;; + svr4*|esix*|solaris) + case "$ccflags" in + *-DDEBUGGING*) dflt='-KPIC' ;; + *) dflt='-Kpic' ;; + esac + ;; + sunos) dflt='-pic' ;; + *) dflt='none' ;; + esac + ;; + *) case "$osname" in + svr4*|esix*|solaris) + case "$ccflags" in + *-DDEBUGGING*) dflt='-fPIC' ;; + *) dflt='-fpic' ;; + esac + ;; + *) dflt='-fpic' ;; + esac ;; + esac ;; + *) dflt="$cccdlflags" ;; + esac + rp="Any special flags to pass to $cc -c to compile shared library modules?" + . ./myread + case "$ans" in + none) cccdlflags=' ' ;; + *) cccdlflags="$ans" ;; + esac + + cat << EOM + +Some systems use ld to create libraries that can be dynamically loaded, +while other systems (such as those using ELF) use $cc. + +EOM + case "$ld" in + '') $cat >try.c <<'EOM' +/* Test for whether ELF binaries are produced */ +#include +#include +main() { + char b[4]; + int i = open("a.out",O_RDONLY); + if(i == -1) + exit(1); /* fail */ + if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F') + exit(0); /* succeed (yes, it's ELF) */ + else + exit(1); /* fail */ +} +EOM + if $cc $ccflags try.c >/dev/null 2>&1 && ./a.out; then + cat <&4 + +To build perl, you must add the current working directory to your +$xxx environtment variable before running make. You can do +this with + $xxx=\`pwd\`; export $xxx +for Bourne-style shells, or + setenv $xxx \`pwd\` +for Csh-style shells. You *MUST* do this before running make. + +EOM + ;; + *) useshrplib='false' ;; + esac + ;; +esac + +case "$useshrplib" in +true) + case "$libperl" in + '') + # Figure out a good name for libperl.so. Since it gets stored in + # a version-specific architecture-dependent library, the version + # number isn't really that important, except for making cc/ld happy. + # + # A name such as libperl.so.3.1 + majmin="libperl.$so.$patchlevel.$subversion" + # A name such as libperl.so.301 + majonly=`echo $patchlevel $subversion | + $awk '{printf "%d%02d", $1, $2}'` + majonly=libperl.$so.$majonly + # I'd prefer to keep the os-specific stuff here to a minimum, and + # rely on figuring it out from the naming of libc. + case "${osname}${osvers}" in + next4*) + dflt=libperl.5.$so + # XXX How handle the --version stuff for MAB? + ;; + linux*) # ld won't link with a bare -lperl otherwise. + dflt=libperl.$so + ;; + *) # Try to guess based on whether libc has major.minor. + case "$libc" in + *libc.$so.[0-9]*.[0-9]*) dflt=$majmin ;; + *libc.$so.[0-9]*) dflt=$majonly ;; + *) dflt=libperl.$so ;; + esac + ;; + esac + ;; + *) dflt=$libperl + ;; + esac + cat << EOM + +I need to select a good name for the shared libperl. If your system uses +library names with major and minor numbers, then you might want something +like $majmin. Alternatively, if your system uses a single version +number for shared libraries, then you might want to use $majonly. +Or, your system might be quite happy with a simple libperl.$so. + +Since the shared libperl will get installed into a version-specific +architecture-dependent directory, the version number of the shared perl +library probably isn't important, so the default should be o.k. + +EOM + rp='What name do you want to give to the shared libperl?' + . ./myread + libperl=$ans + echo "Ok, I'll use $libperl" + ;; +*) + libperl="libperl${_a}" + ;; +esac + +# Detect old use of shrpdir via undocumented Configure -Dshrpdir +case "$shrpdir" in +'') ;; +*) $cat >&4 <&4 <&4 <&4 -: define an is-in-libc? function -inlibc='echo " "; td=$define; tu=$undef; -sym=$1; var=$2; eval "was=\$$2"; -tx=yes; -case "$reuseval$was" in -true) ;; -true*) tx=no;; -esac; -case "$tx" in -yes) - set $sym tres -f; - eval $csym; - case "$tres" in - true) - echo "$sym() found." >&4; - case "$was" in $undef) . ./whoa; esac; eval "$var=\$td";; +Adding $xxx to the flags +passed to $ld so that the perl executable will find the +installed shared $libperl. + +EOM + ;; + esac + ;; + esac +fi +# Respect a hint or command-line value. +case "$shrpenv" in +'') shrpenv="$tmp_shrpenv" ;; +esac + +: see if we have to deal with yellow pages, now NIS. +if $test -d /usr/etc/yp || $test -d /etc/yp; then + if $test -f /usr/etc/nibindd; then + echo " " + echo "I'm fairly confident you're on a NeXT." + echo " " + rp='Do you get the hosts file via NetInfo?' + dflt=y + case "$hostcat" in + nidump*) ;; + '') ;; + *) dflt=n;; + esac + . ./myread + case "$ans" in + y*) hostcat='nidump hosts .';; + *) case "$hostcat" in + nidump*) hostcat='';; + esac + ;; + esac + fi + case "$hostcat" in + nidump*) ;; *) - echo "$sym() NOT found." >&4; - case "$was" in $define) . ./whoa; esac; eval "$var=\$tu";; - esac;; -*) - case "$was" in - $define) echo "$sym() found." >&4;; - *) echo "$sym() NOT found." >&4;; - esac;; -esac' + case "$hostcat" in + *ypcat*) dflt=y;; + '') if $contains '^\+' /etc/passwd >/dev/null 2>&1; then + dflt=y + else + dflt=n + fi;; + *) dflt=n;; + esac + echo " " + rp='Are you getting the hosts file via yellow pages?' + . ./myread + case "$ans" in + y*) hostcat='ypcat hosts';; + *) hostcat='cat /etc/hosts';; + esac + ;; + esac +fi +case "$hostcat" in +'') hostcat='cat /etc/hosts';; +esac +case "$groupcat" in +'') groupcat='cat /etc/group';; +esac +case "$passcat" in +'') passcat='cat /etc/passwd';; +esac -: Check how to convert floats to strings. +: now get the host name echo " " -echo "Checking for an efficient way to convert floats to strings." -$cat >try.c <<'EOP' -#ifdef TRY_gconvert -#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b)) -#endif -#ifdef TRY_gcvt -#define Gconvert(x,n,t,b) gcvt((x),(n),(b)) -#endif -#ifdef TRY_sprintf -#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x)) -#endif -main() { - char buf[64]; - Gconvert(1.0, 8, 0, buf); - if (buf[0] != '1' || buf[1] != '\0') - exit(1); - Gconvert(0.0, 8, 0, buf); - if (buf[0] != '0' || buf[1] != '\0') - exit(1); - Gconvert(-1.0, 8, 0, buf); - if (buf[0] != '-' || buf[1] != '1' || buf[2] != '\0') - exit(1); - exit(0); -} -EOP -case "$d_Gconvert" in -gconvert*) xxx_list='gconvert gcvt sprintf' ;; -gcvt*) xxx_list='gcvt gconvert sprintf' ;; -sprintf*) xxx_list='sprintf gconvert gcvt' ;; -*) xxx_list='gconvert gcvt sprintf' ;; +echo "Figuring out host name..." >&4 +case "$myhostname" in +'') cont=true + echo 'Maybe "hostname" will work...' + if tans=`sh -c hostname 2>&1` ; then + myhostname=$tans + phostname=hostname + cont='' + fi + ;; +*) cont='';; esac - -for xxx_convert in $xxx_list; do - echo "Trying $xxx_convert" - $rm -f try try.o - if $cc $ccflags -DTRY_$xxx_convert $ldflags -o try \ - try.c $libs > /dev/null 2>&1 ; then - echo "$xxx_convert" found. >&4 - if ./try; then - echo "Good, $xxx_convert drops a trailing decimal point." - echo "I'll use $xxx_convert to convert floats into a string." >&4 - break; - else - echo "But $xxx_convert keeps a trailing decimal point". +if $test "$cont"; then + if ./xenix; then + echo 'Oh, dear. Maybe "/etc/systemid" is the key...' + if tans=`cat /etc/systemid 2>&1` ; then + myhostname=$tans + phostname='cat /etc/systemid' + echo "Whadyaknow. Xenix always was a bit strange..." + cont='' fi + elif $test -r /etc/systemid; then + echo "(What is a non-Xenix system doing with /etc/systemid?)" + fi +fi +if $test "$cont"; then + echo 'No, maybe "uuname -l" will work...' + if tans=`sh -c 'uuname -l' 2>&1` ; then + myhostname=$tans + phostname='uuname -l' else - echo "$xxx_convert NOT found." >&4 + echo 'Strange. Maybe "uname -n" will work...' + if tans=`sh -c 'uname -n' 2>&1` ; then + myhostname=$tans + phostname='uname -n' + else + echo 'Oh well, maybe I can mine it out of whoami.h...' + if tans=`sh -c $contains' sysname $usrinc/whoami.h' 2>&1` ; then + myhostname=`echo "$tans" | $sed 's/^.*"\(.*\)"/\1/'` + phostname="sed -n -e '"'/sysname/s/^.*\"\\(.*\\)\"/\1/{'"' -e p -e q -e '}' <$usrinc/whoami.h" + else + case "$myhostname" in + '') echo "Does this machine have an identity crisis or something?" + phostname='';; + *) + echo "Well, you said $myhostname before..." + phostname='echo $myhostname';; + esac + fi + fi fi -done - -case "$xxx_convert" in -gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;; -gcvt) d_Gconvert='gcvt((x),(n),(b))' ;; -*) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;; -esac - -: Initialize h_fcntl -h_fcntl=false +fi +: you do not want to know about this +set $myhostname +myhostname=$1 -: Initialize h_sysfile -h_sysfile=false +: verify guess +if $test "$myhostname" ; then + dflt=y + rp='Your host name appears to be "'$myhostname'".'" Right?" + . ./myread + case "$ans" in + y*) ;; + *) myhostname='';; + esac +fi -: determine filename position in cpp output -echo " " -echo "Computing filename position in cpp output for #include directives..." >&4 -echo '#include ' > foo.c -$cat >fieldn </dev/null | \ -$grep '^[ ]*#.*stdio\.h' | \ -while read cline; do - pos=1 - set \$cline - while $test \$# -gt 0; do - if $test -r \`echo \$1 | $tr -d '"'\`; then - echo "\$pos" - exit 0 - fi - shift - pos=\`expr \$pos + 1\` - done +: bad guess or no guess +while $test "X$myhostname" = X ; do + dflt='' + rp="Please type the (one word) name of your host:" + . ./myread + myhostname="$ans" done -EOF -chmod +x fieldn -fieldn=`./fieldn` -$rm -f foo.c fieldn -case $fieldn in -'') pos='???';; -1) pos=first;; -2) pos=second;; -3) pos=third;; -*) pos="${fieldn}th";; + +: translate upper to lower if necessary +case "$myhostname" in +*[A-Z]*) + echo "(Normalizing case in your host name)" + myhostname=`echo $myhostname | ./tr '[A-Z]' '[a-z]'` + ;; +esac + +case "$myhostname" in +*.*) + dflt=`expr "X$myhostname" : "X[^.]*\(\..*\)"` + myhostname=`expr "X$myhostname" : "X\([^.]*\)\."` + echo "(Trimming domain name from host name--host name is now $myhostname)" + ;; +*) case "$mydomain" in + '') + { + test "X$hostcat" = "Xypcat hosts" && + ypmatch "$myhostname" hosts 2>/dev/null |\ + $sed -e 's/[ ]*#.*//; s/$/ /' > hosts && \ + $test -s hosts + } || { + $hostcat | $sed -n -e "s/[ ]*#.*//; s/\$/ / + /[ ]$myhostname[ . ]/p" > hosts + } + tmp_re="[ . ]" + $test x`$awk "/[0-9].*[ ]$myhostname$tmp_re/ { sum++ } + END { print sum }" hosts` = x1 || tmp_re="[ ]" + dflt=.`$awk "/[0-9].*[ ]$myhostname$tmp_re/ {for(i=2; i<=NF;i++) print \\\$i}" \ + hosts | $sort | $uniq | \ + $sed -n -e "s/$myhostname\.\([-a-zA-Z0-9_.]\)/\1/p"` + case `$echo X$dflt` in + X*\ *) echo "(Several hosts in /etc/hosts matched hostname)" + dflt=. + ;; + X.) echo "(You do not have fully-qualified names in /etc/hosts)" + ;; + esac + case "$dflt" in + .) + tans=`./loc resolv.conf X /etc /usr/etc` + if $test -f "$tans"; then + echo "(Attempting domain name extraction from $tans)" + dflt=.`$sed -n -e 's/ / /g' \ + -e 's/^search *\([^ ]*\).*/\1/p' $tans \ + | ./tr '[A-Z]' '[a-z]' 2>/dev/null` + case "$dflt" in + .) dflt=.`$sed -n -e 's/ / /g' \ + -e 's/^domain *\([^ ]*\).*/\1/p' $tans \ + | ./tr '[A-Z]' '[a-z]' 2>/dev/null` + ;; + esac + fi + ;; + esac + case "$dflt" in + .) echo "(No help from resolv.conf either -- attempting clever guess)" + dflt=.`sh -c domainname 2>/dev/null` + case "$dflt" in + '') dflt='.';; + .nis.*|.yp.*|.main.*) dflt=`echo $dflt | $sed -e 's/^\.[^.]*//'`;; + esac + ;; + esac + case "$dflt" in + .) echo "(Lost all hope -- silly guess then)" + dflt='.uucp' + ;; + esac + $rm -f hosts + ;; + *) dflt="$mydomain";; + esac;; esac -echo "Your cpp writes the filename in the $pos field of the line." - -: locate header file -$cat >findhdr <" > foo\$\$.c -$cppstdin $cppminus $cppflags < foo\$\$.c 2>/dev/null | \ -$grep "^[ ]*#.*\$wanted" | \ -while read cline; do - name=\`echo \$cline | $awk "\$awkprg" | $tr -d '"'\` - case "\$name" in - */\$wanted) echo "\$name"; exit 0;; - *) name='';; - esac; -done; -$rm -f foo\$\$.c; -case "\$name" in -'') exit 1;; +echo " " +rp="What is your domain name?" +. ./myread +tans="$ans" +case "$ans" in +'') ;; +.*) ;; +*) tans=".$tans";; esac -EOF -chmod +x findhdr +mydomain="$tans" -: access call always available on UNIX -set access d_access -eval $inlibc +: translate upper to lower if necessary +case "$mydomain" in +*[A-Z]*) + echo "(Normalizing case in your domain name)" + mydomain=`echo $mydomain | ./tr '[A-Z]' '[a-z]'` + ;; +esac -: locate the flags for 'access()' -case "$d_access" in -"$define") - echo " " - $cat >access.c <<'EOCP' -#include -#ifdef I_FCNTL -#include -#endif -#ifdef I_SYS_FILE -#include -#endif -#ifdef I_UNISTD -#include -#endif -main() { - exit(R_OK); -} -EOCP - : check sys/file.h first, no particular reason here - if $test `./findhdr sys/file.h` && \ - $cc $cppflags -DI_SYS_FILE access.c -o access >/dev/null 2>&1 ; then - h_sysfile=true; - echo " defines the *_OK access constants." >&4 - elif $test `./findhdr fcntl.h` && \ - $cc $cppflags -DI_FCNTL access.c -o access >/dev/null 2>&1 ; then - h_fcntl=true; - echo " defines the *_OK access constants." >&4 - elif $test `./findhdr unistd.h` && \ - $cc $cppflags -DI_UNISTD access.c -o access >/dev/null 2>&1 ; then - echo " defines the *_OK access constants." >&4 - else - echo "I can't find the four *_OK access constants--I'll use mine." >&4 - fi +: a little sanity check here +case "$phostname" in +'') ;; +*) + case `$phostname | ./tr '[A-Z]' '[a-z]'` in + $myhostname$mydomain|$myhostname) ;; + *) + case "$phostname" in + sed*) + echo "(That doesn't agree with your whoami.h file, by the way.)" + ;; + *) + echo "(That doesn't agree with your $phostname command, by the way.)" + ;; + esac + ;; + esac ;; esac -$rm -f access* -: see if alarm exists -set alarm d_alarm -eval $inlibc +$cat <&4 -$cat >attrib.c <<'EOCP' -#include -void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn)); -EOCP -if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then - if $contains 'warning' attrib.out >/dev/null 2>&1; then - echo "Your C compiler doesn't fully support __attribute__." - val="$undef" - else - echo "Your C compiler supports __attribute__." - val="$define" - fi -else - echo "Your C compiler doesn't seem to understand __attribute__ at all." - val="$undef" -fi -set d_attribut -eval $setvar -$rm -f attrib* +I need to get your e-mail address in Internet format if possible, i.e. +something like user@host.domain. Please answer accurately since I have +no easy means to double check it. The default value provided below +is most probably close to the reality but may not be valid from outside +your organization... -: see if bcmp exists -set bcmp d_bcmp -eval $inlibc +EOM +cont=x +while test "$cont"; do + case "$cf_email" in + '') dflt="$cf_by@$myhostname$mydomain";; + *) dflt="$cf_email";; + esac + rp='What is your e-mail address?' + . ./myread + cf_email="$ans" + case "$cf_email" in + *@*.*) cont='' ;; + *) + rp='Address does not look like an Internet one. Use it anyway?' + case "$fastread" in + yes) dflt=y ;; + *) dflt=n ;; + esac + . ./myread + case "$ans" in + y*) cont='' ;; + *) echo " " ;; + esac + ;; + esac +done -: see if bcopy exists -set bcopy d_bcopy -eval $inlibc +$cat <set.c </dev/null 2>&1; then - ./set 2>/dev/null - case $? in - 0) echo "You have to use setpgrp() instead of setpgrp(pid, pgrp)." >&4 - val="$undef";; - *) echo "You have to use setpgrp(pid, pgrp) instead of setpgrp()." >&4 - val="$define";; - esac - else - if ./usg; then - xxx="USG one, i.e. you use setpgrp()." - val="$undef" - else - xxx="BSD one, i.e. you use setpgrp(pid, pgrp)." - val="$define" - fi - echo "Assuming your setpgrp is a $xxx" >&4 - fi - ;; -*) val="$undef";; +EOM +case "$perladmin" in +'') dflt="$cf_email";; +*) dflt="$perladmin";; esac -set d_bsdpgrp -eval $setvar -$rm -f set set.c - -: see if bzero exists -set bzero d_bzero -eval $inlibc +rp='Perl administrator e-mail address' +. ./myread +perladmin="$ans" -: check for length of integer -echo " " -case "$intsize" in +: figure out how to guarantee perl startup +case "$startperl" in '') - echo "Checking to see how big your integers are..." >&4 - $cat >try.c <<'EOCP' -#include -main() -{ - printf("%d\n", sizeof(int)); - exit(0); -} -EOCP - if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then - intsize=`./try` - echo "Your integers are $intsize bytes long." - else - dflt='4' - echo "(I can't seem to compile the test program. Guessing...)" - rp="What is the size of an integer (in bytes)?" + case "$sharpbang" in + *!) + $cat <&4 <$$.tmp 2>/dev/null -if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then - echo "You have int (*signal())() instead of void." >&4 - val="$undef" -elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then - echo "You have void (*signal())() instead of int." >&4 - val="$define" -elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then - echo "You have int (*signal())() instead of void." >&4 - val="$undef" -else - case "$d_voidsig" in - '') - echo "I can't determine whether signal handler returns void or int..." >&4 - dflt=void - rp="What type does your signal handler return?" - . ./myread - case "$ans" in - v*) val="$define";; - *) val="$undef";; - esac;; - "$define") - echo "As you already told me, signal handler returns void." >&4;; +: figure best path for perl in scripts +case "$perlpath" in +'') + perlpath="$binexp/perl" + case "$startperl" in + *!*) ;; *) - echo "As you already told me, signal handler returns int." >&4;; + $cat <&4 -if $test "$intsize" -eq 4; then - xxx=int -else - xxx=long -fi -$cat >try.c < -#include -$signal_t blech() { exit(3); } -main() -{ - $xxx i32; - double f; - int result = 0; - signal(SIGFPE, blech); +cat <. Versions 5.003_02 and later of perl allow alternate IO +mechanisms via a "PerlIO" abstraction, but the stdio mechanism is still +the default. This abstraction layer can use AT&T's sfio (if you already +have sfio installed) or regular stdio. Using PerlIO with sfio may cause +problems with some extension modules. Using PerlIO with stdio is safe, +but it is slower than plain stdio and therefore is not the default. - if (i32 != ($xxx) f) - result |= 1; - exit(result); -} -EOCP -if $cc -o try $ccflags try.c >/dev/null 2>&1; then - ./try - yyy=$? -else - echo "(I can't seem to compile the test program--assuming it can't)" - yyy=1 -fi -case "$yyy" in -0) val="$define" - echo "Yup, it can." - ;; -*) val="$undef" - echo "Nope, it can't." +If this doesn't make any sense to you, just accept the default 'n'. +EOM +case "$useperlio" in +$define|true|[yY]*) dflt='y';; +*) dflt='n';; +esac +rp='Use the experimental PerlIO abstraction layer?' +. ./myread +case "$ans" in +y|Y) + val="$define" + ;; +*) + echo "Ok, doing things the stdio way" + val="$undef" ;; esac -set d_casti32 -eval $setvar -$rm -f try try.* +set useperlio +eval $setvar -: check for ability to cast negative floats to unsigned +: Check how to convert floats to strings. echo " " -echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4 -$cat >try.c < -#include -$signal_t blech() { exit(7); } -$signal_t blech_in_list() { exit(4); } -unsigned long dummy_long(p) unsigned long p; { return p; } -unsigned int dummy_int(p) unsigned int p; { return p; } -unsigned short dummy_short(p) unsigned short p; { return p; } -main() +echo "Checking for an efficient way to convert floats to strings." +$cat >try.c <<'EOP' +#ifdef TRY_gconvert +#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b)) +char *myname = "gconvert"; +#endif +#ifdef TRY_gcvt +#define Gconvert(x,n,t,b) gcvt((x),(n),(b)) +char *myname = "gcvt"; +#endif +#ifdef TRY_sprintf +#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x)) +char *myname = "sprintf"; +#endif + +#include + +int +checkit(expect, got) +char *expect; +char *got; { - double f = -123.; - unsigned long along; - unsigned int aint; - unsigned short ashort; - int result = 0; + if (strcmp(expect, got)) { + printf("%s oddity: Expected %s, got %s\n", + myname, expect, got); + exit(1); + } +} - signal(SIGFPE, blech); - along = (unsigned long)f; - aint = (unsigned int)f; - ashort = (unsigned short)f; - if (along != (unsigned long)-123) - result |= 1; - if (aint != (unsigned int)-123) - result |= 1; - if (ashort != (unsigned short)-123) - result |= 1; - f = (double)0x40000000; - f = f + f; - along = 0; - along = (unsigned long)f; - if (along != 0x80000000) - result |= 2; - f -= 1.; - along = 0; - along = (unsigned long)f; - if (along != 0x7fffffff) - result |= 1; - f += 2.; - along = 0; - along = (unsigned long)f; - if (along != 0x80000001) - result |= 2; - if (result) - exit(result); - signal(SIGFPE, blech_in_list); - f = 123.; - along = dummy_long((unsigned long)f); - aint = dummy_int((unsigned int)f); - ashort = dummy_short((unsigned short)f); - if (along != (unsigned long)123) - result |= 4; - if (aint != (unsigned int)123) - result |= 4; - if (ashort != (unsigned short)123) - result |= 4; - exit(result); +int +main() +{ + char buf[64]; + buf[63] = '\0'; + + /* This must be 1st test on (which?) platform */ + /* Alan Burlison */ + Gconvert(0.1, 8, 0, buf); + checkit("0.1", buf); + + Gconvert(1.0, 8, 0, buf); + checkit("1", buf); + Gconvert(0.0, 8, 0, buf); + checkit("0", buf); + + Gconvert(-1.0, 8, 0, buf); + checkit("-1", buf); + + /* Some Linux gcvt's give 1.e+5 here. */ + Gconvert(100000.0, 8, 0, buf); + checkit("100000", buf); + + /* Some Linux gcvt's give -1.e+5 here. */ + Gconvert(-100000.0, 8, 0, buf); + checkit("-100000", buf); + + exit(0); } -EOCP -if $cc -o try $ccflags try.c >/dev/null 2>&1; then - ./try - castflags=$? -else - echo "(I can't seem to compile the test program--assuming it can't)" - castflags=7 -fi -case "$castflags" in -0) val="$define" - echo "Yup, it can." - ;; -*) val="$undef" - echo "Nope, it can't." - ;; +EOP +case "$d_Gconvert" in +gconvert*) xxx_list='gconvert gcvt sprintf' ;; +gcvt*) xxx_list='gcvt gconvert sprintf' ;; +sprintf*) xxx_list='sprintf gconvert gcvt' ;; +*) xxx_list='gconvert gcvt sprintf' ;; esac -set d_castneg -eval $setvar -$rm -f try.* -: see if vprintf exists -echo " " -if set vprintf val -f d_vprintf; eval $csym; $val; then - echo 'vprintf() found.' >&4 - val="$define" - $cat >vprintf.c <<'EOF' -#include +for xxx_convert in $xxx_list; do + echo "Trying $xxx_convert" + $rm -f try try$_o + set try -DTRY_$xxx_convert + if eval $compile; then + echo "$xxx_convert" found. >&4 + if ./try; then + echo "I'll use $xxx_convert to convert floats into a string." >&4 + break; + else + echo "...But $xxx_convert didn't work as I expected." + fi + else + echo "$xxx_convert NOT found." >&4 + fi +done + +case "$xxx_convert" in +gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;; +gcvt) d_Gconvert='gcvt((x),(n),(b))' ;; +*) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;; +esac -main() { xxx("foo"); } +: Initialize h_fcntl +h_fcntl=false -xxx(va_alist) -va_dcl -{ - va_list args; - char buf[10]; +: Initialize h_sysfile +h_sysfile=false - va_start(args); - exit((unsigned long)vsprintf(buf,"%s",args) > 10L); +: access call always available on UNIX +set access d_access +eval $inlibc + +: locate the flags for 'access()' +case "$d_access" in +"$define") + echo " " + $cat >access.c <<'EOCP' +#include +#ifdef I_FCNTL +#include +#endif +#ifdef I_SYS_FILE +#include +#endif +#ifdef I_UNISTD +#include +#endif +main() { + exit(R_OK); } -EOF - if $cc $ccflags vprintf.c -o vprintf >/dev/null 2>&1 && ./vprintf; then - echo "Your vsprintf() returns (int)." >&4 - val2="$undef" +EOCP + : check sys/file.h first, no particular reason here + if $test `./findhdr sys/file.h` && \ + $cc $cppflags -DI_SYS_FILE -o access access.c >/dev/null 2>&1 ; then + h_sysfile=true; + echo " defines the *_OK access constants." >&4 + elif $test `./findhdr fcntl.h` && \ + $cc $cppflags -DI_FCNTL -o access access.c >/dev/null 2>&1 ; then + h_fcntl=true; + echo " defines the *_OK access constants." >&4 + elif $test `./findhdr unistd.h` && \ + $cc $cppflags -DI_UNISTD -o access access.c >/dev/null 2>&1 ; then + echo " defines the *_OK access constants." >&4 else - echo "Your vsprintf() returns (char*)." >&4 - val2="$define" + echo "I can't find the four *_OK access constants--I'll use mine." >&4 fi -else - echo 'vprintf() NOT found.' >&4 - val="$undef" - val2="$undef" -fi -set d_vprintf -eval $setvar -val=$val2 -set d_charvspr -eval $setvar - -: see if chown exists -set chown d_chown -eval $inlibc - -: see if chroot exists -set chroot d_chroot -eval $inlibc + ;; +esac +$rm -f access* -: see if chsize exists -set chsize d_chsize +: see if alarm exists +set alarm d_alarm eval $inlibc -: check for const keyword +: Look for GNU-cc style attribute checking echo " " -echo 'Checking to see if your C compiler knows about "const"...' >&4 -$cat >const.c <<'EOCP' -typedef struct spug { int drokk; } spug; -main() -{ - const char *foo; - const spug y; -} +echo "Checking whether your compiler can handle __attribute__ ..." >&4 +$cat >attrib.c <<'EOCP' +#include +void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn)); EOCP -if $cc -c $ccflags const.c >/dev/null 2>&1 ; then - val="$define" - echo "Yup, it does." -else - val="$undef" - echo "Nope, it doesn't." -fi -set d_const -eval $setvar - -: see if crypt exists -echo " " -if set crypt val -f d_crypt; eval $csym; $val; then - echo 'crypt() found.' >&4 - val="$define" - cryptlib='' -else - cryptlib=`./loc Slibcrypt.a "" $xlibpth` - if $test -z "$cryptlib"; then - cryptlib=`./loc Mlibcrypt.a "" $xlibpth` - else - cryptlib=-lcrypt - fi - if $test -z "$cryptlib"; then - cryptlib=`./loc Llibcrypt.a "" $xlibpth` - else - cryptlib=-lcrypt - fi - if $test -z "$cryptlib"; then - cryptlib=`./loc libcrypt.a "" $libpth` - else - cryptlib=-lcrypt - fi - if $test -z "$cryptlib"; then - echo 'crypt() NOT found.' >&4 +if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then + if $contains 'warning' attrib.out >/dev/null 2>&1; then + echo "Your C compiler doesn't fully support __attribute__." val="$undef" else + echo "Your C compiler supports __attribute__." val="$define" fi +else + echo "Your C compiler doesn't seem to understand __attribute__ at all." + val="$undef" fi -set d_crypt -eval $setvar - -: get csh whereabouts -case "$csh" in -'csh') val="$undef" ;; -*) val="$define" ;; -esac -set d_csh +set d_attribut eval $setvar -full_csh=$csh +$rm -f attrib* -: see if cuserid exists -set cuserid d_cuserid +: see if bcmp exists +set bcmp d_bcmp eval $inlibc -: define an alternate in-header-list? function -inhdr='echo " "; td=$define; tu=$undef; yyy=$@; -cont=true; xxf="echo \"<\$1> found.\" >&4"; -case $# in 2) xxnf="echo \"<\$1> NOT found.\" >&4";; -*) xxnf="echo \"<\$1> NOT found, ...\" >&4";; -esac; -case $# in 4) instead=instead;; *) instead="at last";; esac; -while $test "$cont"; do - xxx=`./findhdr $1` - var=$2; eval "was=\$$2"; - if $test "$xxx" && $test -r "$xxx"; - then eval $xxf; - eval "case \"\$$var\" in $undef) . ./whoa; esac"; eval "$var=\$td"; - cont=""; - else eval $xxnf; - eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; fi; - set $yyy; shift; shift; yyy=$@; - case $# in 0) cont="";; - 2) xxf="echo \"but I found <\$1> $instead.\" >&4"; - xxnf="echo \"and I did not find <\$1> either.\" >&4";; - *) xxf="echo \"but I found <\$1\> instead.\" >&4"; - xxnf="echo \"there is no <\$1>, ...\" >&4";; - esac; -done; -while $test "$yyy"; -do set $yyy; var=$2; eval "was=\$$2"; - eval "case \"\$$var\" in $define) . ./whoa; esac"; eval "$var=\$tu"; - set $yyy; shift; shift; yyy=$@; -done' +: see if bcopy exists +set bcopy d_bcopy +eval $inlibc -: see if this is a limits.h system -set limits.h i_limits +: see if this is a unistd.h system +set unistd.h i_unistd eval $inhdr -: see if this is a float.h system -set float.h i_float -eval $inhdr +: see if getpgrp exists +set getpgrp d_getpgrp +eval $inlibc -: See if number of significant digits in a double precision number is known -echo " " -$cat >dbl_dig.c < -#endif -#ifdef I_FLOAT -#include +case "$d_getpgrp" in +"$define") + echo " " + echo "Checking to see which flavor of getpgrp is in use..." + $cat >set.c < +#ifdef I_UNISTD +# include #endif -#ifdef DBL_DIG -printf("Contains DBL_DIG"); +main() +{ + if (getuid() == 0) { + printf("(I see you are running Configure as super-user...)\n"); + setuid(1); + } +#ifdef TRY_BSD_PGRP + if (getpgrp(1) == 0) + exit(0); +#else + if (getpgrp() > 0) + exit(0); #endif -EOM -$cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null -if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then - echo "DBL_DIG found." >&4 - val="$define" -else - echo "DBL_DIG NOT found." >&4 - val="$undef" -fi -$rm -f dbl_dig.? -set d_dbl_dig + exit(1); +} +EOP + if $cc -DTRY_BSD_PGRP $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then + echo "You have to use getpgrp(pid) instead of getpgrp()." >&4 + val="$define" + elif $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then + echo "You have to use getpgrp() instead of getpgrp(pid)." >&4 + val="$undef" + else + echo "I can't seem to compile and run the test program." + if ./usg; then + xxx="a USG one, i.e. you use getpgrp()." + else + # SVR4 systems can appear rather BSD-ish. + case "$i_unistd" in + $undef) + xxx="a BSD one, i.e. you use getpgrp(pid)." + val="$define" + ;; + $define) + xxx="probably a USG one, i.e. you use getpgrp()." + val="$undef" + ;; + esac + fi + echo "Assuming your getpgrp is $xxx" >&4 + fi + ;; +*) val="$undef";; +esac +set d_bsdgetpgrp eval $setvar +$rm -f set set.c -: see if difftime exists -set difftime d_difftime +: see if setpgrp exists +set setpgrp d_setpgrp eval $inlibc -: see if this is a dirent system -echo " " -if xinc=`./findhdr dirent.h`; $test "$xinc"; then - val="$define" - echo " found." >&4 -else - val="$undef" - if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then - echo " found." >&4 - echo " " +case "$d_setpgrp" in +"$define") + echo " " + echo "Checking to see which flavor of setpgrp is in use..." + $cat >set.c < +#ifdef I_UNISTD +# include +#endif +main() +{ + if (getuid() == 0) { + printf("(I see you are running Configure as super-user...)\n"); + setuid(1); + } +#ifdef TRY_BSD_PGRP + if (-1 == setpgrp(1, 1)) + exit(0); +#else + if (setpgrp() != -1) + exit(0); +#endif + exit(1); +} +EOP + if $cc -DTRY_BSD_PGRP $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then + echo 'You have to use setpgrp(pid,pgrp) instead of setpgrp().' >&4 + val="$define" + elif $cc $ccflags $ldflags -o set set.c $libs >/dev/null 2>&1 && ./set; then + echo 'You have to use setpgrp() instead of setpgrp(pid,pgrp).' >&4 + val="$undef" else - xinc=`./findhdr sys/ndir.h` - fi - echo " NOT found." >&4 -fi -set i_dirent + echo "(I can't seem to compile and run the test program.)" + if ./usg; then + xxx="a USG one, i.e. you use setpgrp()." + else + # SVR4 systems can appear rather BSD-ish. + case "$i_unistd" in + $undef) + xxx="a BSD one, i.e. you use setpgrp(pid,pgrp)." + val="$define" + ;; + $define) + xxx="probably a USG one, i.e. you use setpgrp()." + val="$undef" + ;; + esac + fi + echo "Assuming your setpgrp is $xxx" >&4 + fi + ;; +*) val="$undef";; +esac +set d_bsdsetpgrp eval $setvar +$rm -f set set.c +: see if bzero exists +set bzero d_bzero +eval $inlibc -: Look for type of directory structure. +: check for lengths of integral types echo " " -$cppstdin $cppflags $cppminus < "$xinc" > try.c - -case "$direntrytype" in -''|' ') - case "$i_dirent" in - $define) guess1='struct dirent' ;; - *) guess1='struct direct' ;; - esac - ;; -*) guess1="$direntrytype" +case "$intsize" in +'') + echo "Checking to see how big your integers are..." >&4 + $cat >intsize.c <<'EOCP' +#include +main() +{ + printf("intsize=%d;\n", sizeof(int)); + printf("longsize=%d;\n", sizeof(long)); + printf("shortsize=%d;\n", sizeof(short)); + exit(0); +} +EOCP + set intsize + if eval $compile && ./intsize > /dev/null; then + eval `./intsize` + echo "Your integers are $intsize bytes long." + echo "Your long integers are $longsize bytes long." + echo "Your short integers are $shortsize bytes long." + else + $cat >&4 </dev/null 2>&1; then - direntrytype="$guess1" - echo "Your directory entries are $direntrytype." >&4 -elif $contains "$guess2" try.c >/dev/null 2>&1; then - direntrytype="$guess2" - echo "Your directory entries seem to be $direntrytype." >&4 -else - echo "I don't recognize your system's directory entries." >&4 - rp="What type is used for directory entries on this system?" - dflt="$guess1" - . ./myread - direntrytype="$ans" -fi -$rm -f try.c - - -: see if the directory entry stores field length +: see if signal is declared as pointer to function returning int or void echo " " -$cppstdin $cppflags $cppminus < "$xinc" > try.c -if $contains 'd_namlen' try.c >/dev/null 2>&1; then - echo "Good, your directory entry keeps length information in d_namlen." >&4 +xxx=`./findhdr signal.h` +$test "$xxx" && $cppstdin $cppminus $cppflags < $xxx >$$.tmp 2>/dev/null +if $contains 'int.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then + echo "You have int (*signal())() instead of void." >&4 + val="$undef" +elif $contains 'void.*\*[ ]*signal' $$.tmp >/dev/null 2>&1 ; then + echo "You have void (*signal())()." >&4 val="$define" -else - echo "Your directory entry does not know about the d_namlen field." >&4 +elif $contains 'extern[ ]*[(\*]*signal' $$.tmp >/dev/null 2>&1 ; then + echo "You have int (*signal())() instead of void." >&4 val="$undef" +elif $contains 'void.*\*.*sig' $$.tmp >/dev/null 2>&1 ; then + echo "You have void (*signal())()." >&4 + val="$define" +else + case "$d_voidsig" in + '') + echo "I can't determine whether signal handler returns void or int..." >&4 + dflt=void + rp="What type does your signal handler return?" + . ./myread + case "$ans" in + v*) val="$define";; + *) val="$undef";; + esac;; + "$define") + echo "As you already told me, signal handler returns void." >&4 + val="$define" + ;; + *) echo "As you already told me, signal handler returns int." >&4 + val="$undef" + ;; + esac fi -set d_dirnamlen +set d_voidsig eval $setvar -$rm -f try.c - -: see if dlerror exists -xxx_runnm="$runnm" -runnm=false -set dlerror d_dlerror -eval $inlibc -runnm="$xxx_runnm" +case "$d_voidsig" in +"$define") signal_t="void";; +*) signal_t="int";; +esac +$rm -f $$.tmp -: see if dld is available -set dld.h i_dld -eval $inhdr +: check for ability to cast large floats to 32-bit ints. +echo " " +echo 'Checking whether your C compiler can cast large floats to int32.' >&4 +if $test "$intsize" -eq 4; then + xxx=int +else + xxx=long +fi +$cat >try.c < +#include +$signal_t blech() { exit(3); } +main() +{ + $xxx i32; + double f; + int result = 0; + signal(SIGFPE, blech); -: see if dlopen exists -xxx_runnm="$runnm" -runnm=false -set dlopen d_dlopen -eval $inlibc -runnm="$xxx_runnm" + f = (double) 0x7fffffff; + f = 10 * f; + i32 = ($xxx) f; -: determine which dynamic loading, if any, to compile in -echo " " -dldir="ext/DynaLoader" -case "$usedl" in -$define|y|true) - dflt='y' - usedl="$define" - ;; -$undef|n|false) - dflt='n' - usedl="$undef" + if (i32 != ($xxx) f) + result |= 1; + exit(result); +} +EOCP +set try +if eval $compile; then + ./try + yyy=$? +else + echo "(I can't seem to compile the test program--assuming it can't)" + yyy=1 +fi +case "$yyy" in +0) val="$define" + echo "Yup, it can." ;; -*) - dflt='n' - case "$d_dlopen" in - $define) dflt='y' ;; - esac - case "$i_dld" in - $define) dflt='y' ;; - esac - : Does a dl_xxx.xs file exist for this operating system - $test -f ../$dldir/dl_${osname}.xs && dflt='y' +*) val="$undef" + echo "Nope, it can't." ;; esac -rp="Do you wish to use dynamic loading?" -. ./myread -usedl="$ans" -case "$ans" in -y*) usedl="$define" - case "$dlsrc" in - '') - if $test -f ../$dldir/dl_${osname}.xs ; then - dflt="$dldir/dl_${osname}.xs" - elif $test "$d_dlopen" = "$define" ; then - dflt="$dldir/dl_dlopen.xs" - elif $test "$i_dld" = "$define" ; then - dflt="$dldir/dl_dld.xs" - else - dflt='' - fi - ;; - *) dflt="$dldir/$dlsrc" - ;; - esac - echo "The following dynamic loading files are available:" - : Can not go over to $dldir because getfile has path hard-coded in. - cd ..; ls -C $dldir/dl*.xs; cd UU - rp="Source file to use for dynamic loading" - fn="fne" - . ./getfile - usedl="$define" - : emulate basename - dlsrc=`echo $ans | $sed -e 's@.*/\([^/]*\)$@\1@'` +set d_casti32 +eval $setvar +$rm -f try try.* - $cat << EOM +: check for ability to cast negative floats to unsigned +echo " " +echo 'Checking whether your C compiler can cast negative float to unsigned.' >&4 +$cat >try.c < +#include +$signal_t blech() { exit(7); } +$signal_t blech_in_list() { exit(4); } +unsigned long dummy_long(p) unsigned long p; { return p; } +unsigned int dummy_int(p) unsigned int p; { return p; } +unsigned short dummy_short(p) unsigned short p; { return p; } +main() +{ + double f = -123.; + unsigned long along; + unsigned int aint; + unsigned short ashort; + int result = 0; + + signal(SIGFPE, blech); + along = (unsigned long)f; + aint = (unsigned int)f; + ashort = (unsigned short)f; + if (along != (unsigned long)-123) + result |= 1; + if (aint != (unsigned int)-123) + result |= 1; + if (ashort != (unsigned short)-123) + result |= 1; + f = (double)0x40000000; + f = f + f; + along = 0; + along = (unsigned long)f; + if (along != 0x80000000) + result |= 2; + f -= 1.; + along = 0; + along = (unsigned long)f; + if (along != 0x7fffffff) + result |= 1; + f += 2.; + along = 0; + along = (unsigned long)f; + if (along != 0x80000001) + result |= 2; + if (result) + exit(result); + signal(SIGFPE, blech_in_list); + f = 123.; + along = dummy_long((unsigned long)f); + aint = dummy_int((unsigned int)f); + ashort = dummy_short((unsigned short)f); + if (along != (unsigned long)123) + result |= 4; + if (aint != (unsigned int)123) + result |= 4; + if (ashort != (unsigned short)123) + result |= 4; + exit(result); -Some systems may require passing special flags to $cc -c to -compile modules that will be used to create a shared library. -To use no flags, say "none". +} +EOCP +set try +if eval $compile; then + ./try + castflags=$? +else + echo "(I can't seem to compile the test program--assuming it can't)" + castflags=7 +fi +case "$castflags" in +0) val="$define" + echo "Yup, it can." + ;; +*) val="$undef" + echo "Nope, it can't." + ;; +esac +set d_castneg +eval $setvar +$rm -f try.* -EOM - case "$cccdlflags" in - '') case "$gccversion" in - '') case "$osname" in - hpux) dflt='+z' ;; - next) dflt='none' ;; - solaris|svr4*|esix*) dflt='-Kpic' ;; - sunos) dflt='-pic' ;; - *) dflt='none' ;; - esac ;; - *) dflt='-fpic' ;; - esac ;; - *) dflt="$cccdlflags" ;; - esac - rp="Any special flags to pass to $cc -c to compile shared library modules?" - . ./myread - case "$ans" in - none) cccdlflags=' ' ;; - *) cccdlflags="$ans" ;; - esac +: see if vprintf exists +echo " " +if set vprintf val -f d_vprintf; eval $csym; $val; then + echo 'vprintf() found.' >&4 + val="$define" + $cat >vprintf.c <<'EOF' +#include - cat << EOM +main() { xxx("foo"); } -Some systems use ld to create libraries that can be dynamically loaded, -while other systems (such as those using ELF) use $cc. +xxx(va_alist) +va_dcl +{ + va_list args; + char buf[10]; -EOM - case "$ld" in - '') $cat >try.c <<'EOM' -/* Test for whether ELF binaries are produced */ -#include -#include -main() { - char b[4]; - int i = open("a.out",O_RDONLY); - if(i == -1) - exit(1); /* fail */ - if(read(i,b,4)==4 && b[0]==127 && b[1]=='E' && b[2]=='L' && b[3]=='F') - exit(0); /* succeed (yes, it's ELF) */ - else - exit(1); /* fail */ + va_start(args); + exit((unsigned long)vsprintf(buf,"%s",args) > 10L); } -EOM - if $cc $ccflags try.c >/dev/null 2>&1 && ./a.out; then - cat <&4 + val2="$undef" + else + echo "Your vsprintf() returns (char*)." >&4 + val2="$define" + fi +else + echo 'vprintf() NOT found.' >&4 + val="$undef" + val2="$undef" +fi +set d_vprintf +eval $setvar +val=$val2 +set d_charvspr +eval $setvar - rp="What command should be used to create dynamic libraries?" - . ./myread - ld="$ans" +: see if chown exists +set chown d_chown +eval $inlibc - cat << EOM +: see if chroot exists +set chroot d_chroot +eval $inlibc -Some systems may require passing special flags to $ld to create a -library that can be dynamically loaded. If your ld flags include --L/other/path options to locate libraries outside your loader's normal -search path, you may need to specify those -L options here as well. To -use no flags, say "none". +: see if chsize exists +set chsize d_chsize +eval $inlibc -EOM - case "$lddlflags" in - '') case "$osname" in - hpux) dflt='-b' ;; - linux) dflt='-shared' ;; - next) dflt='none' ;; - solaris) dflt='-G' ;; - sunos) dflt='-assert nodefinitions' ;; - svr4*|esix*) dflt="-G $ldflags" ;; - *) dflt='none' ;; - esac - ;; - *) dflt="$lddlflags" ;; - esac +: check for const keyword +echo " " +echo 'Checking to see if your C compiler knows about "const"...' >&4 +$cat >const.c <<'EOCP' +typedef struct spug { int drokk; } spug; +main() +{ + const char *foo; + const spug y; +} +EOCP +if $cc -c $ccflags const.c >/dev/null 2>&1 ; then + val="$define" + echo "Yup, it does." +else + val="$undef" + echo "Nope, it doesn't." +fi +set d_const +eval $setvar -: Try to guess additional flags to pick up local libraries. -for thisflag in $ldflags; do - case "$thisflag" in - -L*) - case " $dflt " in - *" $thisflag "*) ;; - *) dflt="$dflt $thisflag" ;; - esac - ;; - esac -done +: see if crypt exists +echo " " +if set crypt val -f d_crypt; eval $csym; $val; then + echo 'crypt() found.' >&4 + val="$define" + cryptlib='' +else + cryptlib=`./loc Slibcrypt$_a "" $xlibpth` + if $test -z "$cryptlib"; then + cryptlib=`./loc Mlibcrypt$_a "" $xlibpth` + else + cryptlib=-lcrypt + fi + if $test -z "$cryptlib"; then + cryptlib=`./loc Llibcrypt$_a "" $xlibpth` + else + cryptlib=-lcrypt + fi + if $test -z "$cryptlib"; then + cryptlib=`./loc libcrypt$_a "" $libpth` + else + cryptlib=-lcrypt + fi + if $test -z "$cryptlib"; then + echo 'crypt() NOT found.' >&4 + val="$undef" + else + val="$define" + fi +fi +set d_crypt +eval $setvar -case "$dflt" in -'') dflt='none' ;; +: get csh whereabouts +case "$csh" in +'csh') val="$undef" ;; +*) val="$define" ;; esac - - rp="Any special flags to pass to $ld to create a dynamically loaded library?" - . ./myread - case "$ans" in - none) lddlflags=' ' ;; - *) lddlflags="$ans" ;; - esac - - cat <dbl_dig.c < +#endif +#ifdef I_FLOAT +#include +#endif +#ifdef DBL_DIG +printf("Contains DBL_DIG"); +#endif EOM +$cppstdin $cppflags $cppminus < dbl_dig.c >dbl_dig.E 2>/dev/null +if $contains 'DBL_DIG' dbl_dig.E >/dev/null 2>&1; then + echo "DBL_DIG found." >&4 val="$define" - ;; - esac ;; -esac -set d_shrplib; eval $setvar -case "$d_shrplib" in -$define) - cat <&4 +else + echo "DBL_DIG NOT found." >&4 + val="$undef" +fi +$rm -f dbl_dig.? +set d_dbl_dig +eval $setvar -Be sure to add the perl source directory to the LD_LIBRARY_PATH -environment variable before running make: - LD_LIBRARY_PATH=`cd ..;pwd`; export LD_LIBRARY_PATH -or - setenv LD_LIBRARY_PATH `cd ..;pwd` +: see if difftime exists +set difftime d_difftime +eval $inlibc -EOM -;; -esac -case "$d_shrplib" in -$define) - case "$shrpdir" in - "") dflt="$archlib/CORE";; - *) dflt="$shrpdir";; +: see if this is a dirent system +echo " " +if xinc=`./findhdr dirent.h`; $test "$xinc"; then + val="$define" + echo " found." >&4 +else + val="$undef" + if xinc=`./findhdr sys/dir.h`; $test "$xinc"; then + echo " found." >&4 + echo " " + else + xinc=`./findhdr sys/ndir.h` + fi + echo " NOT found." >&4 +fi +set i_dirent +eval $setvar + +: Look for type of directory structure. +echo " " +$cppstdin $cppflags $cppminus < "$xinc" > try.c + +case "$direntrytype" in +''|' ') + case "$i_dirent" in + $define) guess1='struct dirent' ;; + *) guess1='struct direct' ;; esac - rp="What directory should we install the shared libperl into?" - fn="d~" - . ./getfile - shrpdir="$ans" ;; -*) shrpdir='none' +*) guess1="$direntrytype" ;; esac +case "$guess1" in +'struct dirent') guess2='struct direct' ;; +*) guess2='struct dirent' ;; +esac + +if $contains "$guess1" try.c >/dev/null 2>&1; then + direntrytype="$guess1" + echo "Your directory entries are $direntrytype." >&4 +elif $contains "$guess2" try.c >/dev/null 2>&1; then + direntrytype="$guess2" + echo "Your directory entries seem to be $direntrytype." >&4 +else + echo "I don't recognize your system's directory entries." >&4 + rp="What type is used for directory entries on this system?" + dflt="$guess1" + . ./myread + direntrytype="$ans" +fi +$rm -f try.c + + +: see if the directory entry stores field length +echo " " +$cppstdin $cppflags $cppminus < "$xinc" > try.c +if $contains 'd_namlen' try.c >/dev/null 2>&1; then + echo "Good, your directory entry keeps length information in d_namlen." >&4 + val="$define" +else + echo "Your directory entry does not know about the d_namlen field." >&4 + val="$undef" +fi +set d_dirnamlen +eval $setvar +$rm -f try.c + +: see if dlerror exists +xxx_runnm="$runnm" +runnm=false +set dlerror d_dlerror +eval $inlibc +runnm="$xxx_runnm" + : see if dlfcn is available set dlfcn.h i_dlfcn eval $inhdr @@ -5246,174 +6472,70 @@ $cat >fred.c< /* the dynamic linker include file for Sunos/Solaris */ -#else -#include -#include -#include -#endif - -extern int fred() ; - -main() -{ - void * handle ; - void * symbol ; -#ifndef RTLD_LAZY - int mode = 1 ; -#else - int mode = RTLD_LAZY ; -#endif - handle = dlopen("./dyna.$dlext", mode) ; - if (handle == NULL) { - printf ("1\n") ; - exit(0); - } - symbol = dlsym(handle, "fred") ; - if (symbol == NULL) { - /* try putting a leading underscore */ - symbol = dlsym(handle, "_fred") ; - if (symbol == NULL) { - printf ("2\n") ; - exit(0); - } - printf ("3\n") ; - } - else - printf ("4\n") ; - exit(0); -} -EOM - if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 && - $ld $lddlflags -o dyna.$dlext dyna.o > /dev/null 2>&1 && - $cc $ccflags $ldflags $cccdlflags $ccdlflags fred.c -o fred $libs > /dev/null 2>&1; then - xxx=`./fred` - case $xxx in - 1) echo "Test program failed using dlopen." >&4 - echo "Perhaps you should not use dynamic loading." >&4;; - 2) echo "Test program failed using dlsym." >&4 - echo "Perhaps you should not use dynamic loading." >&4;; - 3) echo "dlsym needs a leading underscore" >&4 - val="$define" ;; - 4) echo "dlsym doesn't need a leading underscore." >&4;; - esac - else - echo "I can't compile and run the test program." >&4 - fi - ;; -esac - -$rm -f fred fred.? dyna.$dlext dyna.? - -set d_dlsymun -eval $setvar - -: see if setuid scripts can be secure -$cat <reflect - chmod +x,u+s reflect - ./reflect >flect 2>&1 - if $contains "/dev/fd" flect >/dev/null; then - echo "Congratulations, your kernel has secure setuid scripts!" >&4 - val="$define" - else - $cat <&4 - dflt=n;; - "$undef") - echo "Well, the $hint value is *not* secure." >&4 - dflt=n;; - *) echo "Well, the $hint value *is* secure." >&4 - dflt=y;; - esac - ;; - *) - $rm -f reflect flect - echo "#!$ls" >reflect - chmod +x,u+s reflect - echo >flect - chmod a+w flect - echo '"su" will (probably) prompt you for '"$ans's password." - su $ans -c './reflect >flect' - if $contains "/dev/fd" flect >/dev/null; then - echo "Okay, it looks like setuid scripts are secure." >&4 - dflt=y - else - echo "I don't think setuid scripts are secure." >&4 - dflt=n - fi - ;; - esac - rp='Does your kernel have *secure* setuid scripts?' - . ./myread - case "$ans" in - [yY]*) val="$define";; - *) val="$undef";; - esac - fi -else - echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4 - val="$undef" -fi -set d_suidsafe -eval $setvar - -$rm -f reflect flect - -: now see if they want to do setuid emulation -echo " " -val="$undef" -case "$d_suidsafe" in -"$define") - val="$undef" - echo "No need to emulate SUID scripts since they are secure here." >& 4 - ;; -*) - $cat < +#include +#include +#endif + +extern int fred() ; +main() +{ + void * handle ; + void * symbol ; +#ifndef RTLD_LAZY + int mode = 1 ; +#else + int mode = RTLD_LAZY ; +#endif + handle = dlopen("./dyna.$dlext", mode) ; + if (handle == NULL) { + printf ("1\n") ; + fflush (stdout) ; + exit(0); + } + symbol = dlsym(handle, "fred") ; + if (symbol == NULL) { + /* try putting a leading underscore */ + symbol = dlsym(handle, "_fred") ; + if (symbol == NULL) { + printf ("2\n") ; + fflush (stdout) ; + exit(0); + } + printf ("3\n") ; + } + else + printf ("4\n") ; + fflush (stdout) ; + exit(0); +} EOM - case "$d_dosuid" in - "$define") dflt=y ;; - *) dflt=n ;; - esac - rp="Do you want to do setuid/setgid emulation?" - . ./myread - case "$ans" in - [yY]*) val="$define";; - *) val="$undef";; - esac + : Call the object file tmp-dyna.o in case dlext=o. + if $cc $ccflags $cccdlflags -c dyna.c > /dev/null 2>&1 && + mv dyna${_o} tmp-dyna${_o} > /dev/null 2>&1 && + $ld $lddlflags -o dyna.$dlext tmp-dyna${_o} > /dev/null 2>&1 && + $cc $ccflags $ldflags $cccdlflags $ccdlflags fred.c -o fred $libs > /dev/null 2>&1; then + xxx=`./fred` + case $xxx in + 1) echo "Test program failed using dlopen." >&4 + echo "Perhaps you should not use dynamic loading." >&4;; + 2) echo "Test program failed using dlsym." >&4 + echo "Perhaps you should not use dynamic loading." >&4;; + 3) echo "dlsym needs a leading underscore" >&4 + val="$define" ;; + 4) echo "dlsym doesn't need a leading underscore." >&4;; + esac + else + echo "I can't compile and run the test program." >&4 + fi ;; esac -set d_dosuid + +$rm -f fred fred.? dyna.$dlext dyna.? tmp-dyna.? + +set d_dlsymun eval $setvar : see if dup2 exists @@ -5441,7 +6563,7 @@ main() { EOCP : check sys/file.h first to get FREAD on Sun if $test `./findhdr sys/file.h` && \ - $cc $cppflags "-DI_SYS_FILE" open3.c -o open3 >/dev/null 2>&1 ; then + set open3 -DI_SYS_FILE && eval $compile; then h_sysfile=true; echo " defines the O_* constants..." >&4 if ./open3; then @@ -5452,7 +6574,7 @@ if $test `./findhdr sys/file.h` && \ val="$undef" fi elif $test `./findhdr fcntl.h` && \ - $cc "-DI_FCNTL" open3.c -o open3 >/dev/null 2>&1 ; then + set open3 -DI_FCNTL && eval $compile; then h_fcntl=true; echo " defines the O_* constants..." >&4 if ./open3; then @@ -5502,7 +6624,8 @@ main() { exit(0); } EOCP - if $cc $ccflags $ldflags try.c -o try >/dev/null 2>&1; then + set try + if eval $compile; then o_nonblock=`./try` case "$o_nonblock" in '') echo "I can't figure it out, assuming O_NONBLOCK will do.";; @@ -5525,8 +6648,11 @@ case "$eagain" in #include #include #include +#define MY_O_NONBLOCK $o_nonblock extern int errno; $signal_t blech(x) int x; { exit(3); } +EOCP + $cat >> try.c <<'EOCP' main() { int pd[2]; @@ -5540,7 +6666,7 @@ main() int ret; close(pd[1]); /* Parent reads from pd[0] */ close(pu[0]); /* Parent writes (blocking) to pu[1] */ - if (-1 == fcntl(pd[0], F_SETFL, $o_nonblock)) + if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK)) exit(1); signal(SIGALRM, blech); alarm(5); @@ -5577,8 +6703,10 @@ main() exit(0); /* Bye bye, thank you for playing! */ } EOCP - if $cc $ccflags $ldflags try.c -o try >/dev/null; 2>&1; then - echo "./try >try.out 2>try.ret 3>try.err || exit 4" >mtry + set try + if eval $compile; then + echo "$startsh" >mtry + echo "./try >try.out 2>try.ret 3>try.err || exit 4" >>mtry chmod +x mtry ./mtry >/dev/null 2>&1 case $? in @@ -5613,7 +6741,7 @@ EOCP *) echo "However, your read() returns '$status' on EOF??";; esac val="$define" - if test "$status" -eq "$rd_nodata"; then + if test "$status" = "$rd_nodata"; then echo "WARNING: you can't distinguish between EOF and no data!" val="$undef" fi @@ -5683,8 +6811,8 @@ eval $inlibc set getlogin d_getlogin eval $inlibc -: see if getpgrp exists -set getpgrp d_getpgrp +: see if getpgid exists +set getpgid d_getpgid eval $inlibc : see if getpgrp2 exists @@ -5699,6 +6827,25 @@ eval $inlibc set getpriority d_getprior eval $inlibc +: see if gettimeofday or ftime exists +set gettimeofday d_gettimeod +eval $inlibc +case "$d_gettimeod" in +"$undef") + set ftime d_ftime + eval $inlibc + ;; +*) + val="$undef"; set d_ftime; eval $setvar + ;; +esac +case "$d_gettimeod$d_ftime" in +"$undef$undef") + echo " " + echo 'No ftime() nor gettimeofday() -- timing may be less accurate.' >&4 + ;; +esac + : see if this is a netinet/in.h or sys/in.h system set netinet/in.h i_niin sys/in.h i_sysin eval $inhdr @@ -5792,6 +6939,10 @@ set d_strchr; eval $setvar val="$vali" set d_index; eval $setvar +: check whether inet_aton exists +set inet_aton d_inetaton +eval $inlibc + : Look for isascii echo " " $cat >isascii.c <<'EOCP' @@ -5805,7 +6956,8 @@ main() { exit(1); } EOCP -if $cc $ccflags $ldflags -o isascii isascii.c $libs >/dev/null 2>&1 ; then +set isascii +if eval $compile; then echo "isascii() found." >&4 val="$define" else @@ -5931,7 +7083,7 @@ case "$ans" in y*|true) usemymalloc='y' mallocsrc='malloc.c' - mallocobj='malloc.o' + mallocobj="malloc$_o" d_mymalloc="$define" case "$libs" in *-lmalloc*) @@ -6010,6 +7162,81 @@ eval $inlibc set poll d_poll eval $inlibc + +: see whether the various POSIXish _yields exist within given cccmd +$cat >try.c < +main() { + YIELD(); + exit(0); +} +EOP +: see if pthread_yield exists within given cccmd, +: if we do not usethreads this may well end up undef. +set try -DYIELD=pthread_yield +if eval $compile; then + val="$define" + echo 'pthread_yield() found.' >&4 +else + val="$undef" + echo 'pthread_yield() NOT found.' >&4 +fi +set d_pthread_yield +eval $setvar + +: see if sched_yield exists within given cccmd, +: if we do not usethreads this may well end up undef. +set try -DYIELD=sched_yield +if eval $compile; then + val="$define" + echo 'sched_yield() found.' >&4 +else + val="$undef" + echo 'sched_yield() NOT found.' >&4 +fi +set d_sched_yield +eval $setvar +$rm -f try try.* + +: test whether pthreads are created in joinable -- aka undetached -- state +if test "X$usethreads" != X; then + echo >&4 "Checking whether pthreads are created joinable." + $cat >try.c <<'EOCP' +#include +#include +int main() { + pthread_attr_t attr; + int detachstate; + printf("%s\n", + pthread_attr_init(&attr) == 0 && + pthread_attr_getdetachstate(&attr, &detachstate) == 0 && + detachstate == PTHREAD_CREATE_DETACHED ? + "detached" : "joinable"); + exit(0); +} +EOCP + set try + if eval $compile; then + yyy=`./try` + case "$yyy" in + detached) echo "Nope, they aren't." ;; + *) echo "Yup, they are." ;; + esac + else + echo "(I can't execute the test program--assuming they are.)" + yyy=joinable + fi + $rm -f try try.* + case "$yyy" in + detached) val="$undef" ;; + *) val="$define" ;; + esac + set d_pthreads_created_joinable + eval $setvar +else + d_pthreads_created_joinable="$undef" +fi + : see if this is a pwd.h system set pwd.h i_pwd eval $inhdr @@ -6102,13 +7329,58 @@ eval $inlibc set rmdir d_rmdir eval $inlibc +: see if memory.h is available. +val='' +set memory.h val +eval $inhdr + +: See if it conflicts with string.h +case "$val" in +$define) + case "$strings" in + '') ;; + *) + $cppstdin $cppflags $cppminus < $strings > mem.h + if $contains 'memcpy' mem.h >/dev/null 2>&1; then + echo " " + echo "We won't be including ." + val="$undef" + fi + $rm -f mem.h + ;; + esac +esac +set i_memory +eval $setvar + : can bcopy handle overlapping blocks? val="$undef" case "$d_bcopy" in "$define") echo " " echo "Checking to see if your bcopy() can do overlapping copies..." >&4 - $cat >foo.c <<'EOCP' + $cat >try.c <>try.c <<'EOCP' +#include +#ifdef I_MEMORY +# include +#endif +#ifdef I_STDLIB +# include +#endif +#ifdef I_STRING +# include +#else +# include +#endif +#ifdef I_UNISTD +# include /* Needed for NetBSD */ +#endif main() { char buf[128], abc[128]; @@ -6134,19 +7406,26 @@ for (align = 7; align >= 0; align--) { exit(0); } EOCP - if $cc $ccflags $ldflags foo.c -o safebcpy $libs >/dev/null 2>&1; then - if ./safebcpy 2>/dev/null; then + set try + if eval $compile; then + if ./try 2>/dev/null; then echo "Yes, it can." val="$define" else echo "It can't, sorry." + case "$d_memmove" in + "$define") echo "But that's Ok since you have memmove()." ;; + esac fi else echo "(I can't compile the test program, so we'll assume not...)" + case "$d_memmove" in + "$define") echo "But that's Ok since you have memmove()." ;; + esac fi ;; esac -$rm -f foo.* safebcpy core +$rm -f try.* try core set d_safebcpy eval $setvar @@ -6156,7 +7435,28 @@ case "$d_memcpy" in "$define") echo " " echo "Checking to see if your memcpy() can do overlapping copies..." >&4 - $cat >foo.c <<'EOCP' + $cat >try.c <>try.c <<'EOCP' +#include +#ifdef I_MEMORY +# include +#endif +#ifdef I_STDLIB +# include +#endif +#ifdef I_STRING +# include +#else +# include +#endif +#ifdef I_UNISTD +# include /* Needed for NetBSD */ +#endif main() { char buf[128], abc[128]; @@ -6165,6 +7465,8 @@ int len; int off; int align; +/* Copy "abcde..." string to char abc[] so that gcc doesn't + try to store the string in read-only memory. */ memcpy(abc, "abcdefghijklmnopqrstuvwxyz0123456789", 36); for (align = 7; align >= 0; align--) { @@ -6182,22 +7484,83 @@ for (align = 7; align >= 0; align--) { exit(0); } EOCP - if $cc $ccflags $ldflags foo.c -o safemcpy $libs >/dev/null 2>&1; then - if ./safemcpy 2>/dev/null; then + set try + if eval $compile; then + if ./try 2>/dev/null; then echo "Yes, it can." val="$define" else echo "It can't, sorry." + case "$d_memmove" in + "$define") echo "But that's Ok since you have memmove()." ;; + esac fi else echo "(I can't compile the test program, so we'll assume not...)" + case "$d_memmove" in + "$define") echo "But that's Ok since you have memmove()." ;; + esac fi ;; esac -$rm -f foo.* safemcpy core +$rm -f try.* try core set d_safemcpy eval $setvar +: can memcmp be trusted to compare relative magnitude? +val="$undef" +case "$d_memcmp" in +"$define") + echo " " + echo "Checking if your memcmp() can compare relative magnitude..." >&4 + $cat >try.c <>try.c <<'EOCP' +#include +#ifdef I_MEMORY +# include +#endif +#ifdef I_STDLIB +# include +#endif +#ifdef I_STRING +# include +#else +# include +#endif +#ifdef I_UNISTD +# include /* Needed for NetBSD */ +#endif +main() +{ +char a = -1; +char b = 0; +if ((a < b) && memcmp(&a, &b, 1) < 0) + exit(1); +exit(0); +} +EOCP + set try + if eval $compile; then + if ./try 2>/dev/null; then + echo "Yes, it can." + val="$define" + else + echo "No, it can't (it uses signed chars)." + fi + else + echo "(I can't compile the test program, so we'll assume not...)" + fi + ;; +esac +$rm -f try.* try core +set d_sanemcmp +eval $setvar + : see if select exists set select d_select eval $inlibc @@ -6283,6 +7646,59 @@ eval $inlibc set setsid d_setsid eval $inlibc +: see if sfio.h is available +set sfio.h i_sfio +eval $inhdr + + +: see if sfio library is available +case "$i_sfio" in +$define) + val='' + set sfreserve val + eval $inlibc + ;; +*) + val="$undef" + ;; +esac +: Ok, but do we want to use it. +case "$val" in +$define) + case "$usesfio" in + true|$define|[yY]*) dflt='y';; + *) dflt='n';; + esac + echo "$package can use the sfio library, but it is experimental." + rp="You seem to have sfio available, do you want to try using it?" + . ./myread + case "$ans" in + y|Y) ;; + *) echo "Ok, avoiding sfio this time. I'll use stdio instead." + val="$undef" + : Remove sfio from list of libraries to use + set `echo X $libs | $sed -e 's/-lsfio / /' -e 's/-lsfio$//'` + shift + libs="$*" + echo "libs = $libs" >&4 + ;; + esac + ;; +*) case "$usesfio" in + true|$define|[yY]*) + echo "Sorry, cannot find sfio on this machine" >&4 + echo "Ignoring your setting of usesfio=$usesfio" >&4 + ;; + esac + ;; +esac +set d_sfio +eval $setvar +case "$d_sfio" in +$define) usesfio='true';; +*) usesfio='false';; +esac + : see if shmctl exists set shmctl d_shmctl eval $inlibc @@ -6345,6 +7761,79 @@ fi set d_shm eval $setvar +echo " " +: see if we have sigaction +if set sigaction val -f d_sigaction; eval $csym; $val; then + echo 'sigaction() found.' >&4 + val="$define" +else + echo 'sigaction NOT found.' >&4 + val="$undef" +fi +$cat > try.c <<'EOP' +#include +#include +#include +main() +{ + struct sigaction act, oact; +} +EOP +set try +if eval $compile; then + : +else + echo "But you don't seem to have a useable struct sigaction." >&4 + val="$undef" +fi +set d_sigaction; eval $setvar +$rm -f try try$_o try.c + +: see if sigsetjmp exists +echo " " +case "$d_sigsetjmp" in +'') + $cat >try.c <<'EOP' +#include +sigjmp_buf env; +int set = 1; +main() +{ + if (sigsetjmp(env,1)) + exit(set); + set = 0; + siglongjmp(env, 1); + exit(1); +} +EOP + set try + if eval $compile; then + if ./try >/dev/null 2>&1; then + echo "POSIX sigsetjmp found." >&4 + val="$define" + else + $cat >&4 <&4 + val="$undef" + fi + ;; +*) val="$d_sigsetjmp" + case "$d_sigsetjmp" in + $define) echo "POSIX sigsetjmp found." >&4;; + $undef) echo "sigsetjmp not found." >&4;; + esac + ;; +esac +set d_sigsetjmp +eval $setvar +$rm -f try.c try + socketlib='' sockethdr='' : see whether socket exists @@ -6366,10 +7855,10 @@ else : we will have to assume that it supports the 4.2 BSD interface d_oldsock="$undef" else - echo "You don't have Berkeley networking in libc.a..." >&4 - if test -f /usr/lib/libnet.a; then - ( (nm $nm_opt /usr/lib/libnet.a | eval $nm_extract) || \ - ar t /usr/lib/libnet.a) 2>/dev/null >> libc.list + echo "You don't have Berkeley networking in libc$_a..." >&4 + if test -f /usr/lib/libnet$_a; then + ( (nm $nm_opt /usr/lib/libnet$_a | eval $nm_extract) || \ + ar t /usr/lib/libnet$_a) 2>/dev/null >> libc.list if $contains socket libc.list >/dev/null 2>&1; then echo "...but the Wollongong group seems to have hacked it in." >&4 socketlib="-lnet" @@ -6382,7 +7871,7 @@ else d_oldsock="$define" fi else - echo "or even in libnet.a, which is peculiar." >&4 + echo "or even in libnet$_a, which is peculiar." >&4 d_socket="$undef" d_oldsock="$undef" fi @@ -6464,7 +7953,7 @@ $cat >try.c < #define FILE_ptr(fp) $stdio_ptr #define FILE_cnt(fp) $stdio_cnt -main() { +main() { FILE *fp = fopen("try.c", "r"); char c = getc(fp); if ( @@ -6476,7 +7965,8 @@ main() { } EOP val="$undef" -if $cc $ccflags $ldflags -o try try.c $libs >/dev/null 2>&1; then +set try +if eval $compile; then if ./try; then echo "Your stdio acts pretty std." val="$define" @@ -6514,7 +8004,7 @@ $define) #include #define FILE_base(fp) $stdio_base #define FILE_bufsiz(fp) $stdio_bufsiz -main() { +main() { FILE *fp = fopen("try.c", "r"); char c = getc(fp); if ( @@ -6525,9 +8015,10 @@ main() { exit(1); } EOP - if $cc $ccflags $ldflags -o try try.c $libs > /dev/null 2>&1; then + set try + if eval $compile; then if ./try; then - echo "Even its _base field acts std." + echo "And its _base field acts std." val="$define" else echo "But its _base field isn't std." @@ -6606,6 +8097,18 @@ else d_strerrm='"unknown"' fi +: see if strtod exists +set strtod d_strtod +eval $inlibc + +: see if strtol exists +set strtol d_strtol +eval $inlibc + +: see if strtoul exists +set strtoul d_strtoul +eval $inlibc + : see if strxfrm exists set strxfrm d_strxfrm eval $inlibc @@ -6817,7 +8320,8 @@ case "$d_closedir" in #endif int main() { return closedir(opendir(".")); } EOM - if $cc $ccflags $ldflags -o closedir closedir.c $libs > /dev/null 2>&1; then + set closedir + if eval $compile; then if ./closedir > /dev/null 2>&1 ; then echo "Yes, it does." val="$undef" @@ -6905,11 +8409,12 @@ main() printf("%d\n", (char *)&try.bar - (char *)&try.foo); } EOCP - if $cc $ccflags try.c -o try >/dev/null 2>&1; then + set try + if eval $compile; then dflt=`./try` else dflt='8' - echo"(I can't seem to compile the test program...)" + echo "(I can't seem to compile the test program...)" fi ;; *) dflt="$alignbytes" @@ -6953,7 +8458,8 @@ main() } EOCP xxx_prompt=y - if $cc $ccflags try.c -o try >/dev/null 2>&1 && ./try > /dev/null; then + set try + if eval $compile && ./try > /dev/null; then dflt=`./try` case "$dflt" in [1-4][1-4][1-4][1-4]|12345678|87654321) @@ -6994,11 +8500,11 @@ ACAT(Cir,cus) EOCP $cppstdin $cppflags $cppminus cpp_stuff.out 2>&1 if $contains 'Circus' cpp_stuff.out >/dev/null 2>&1; then - echo "Oh! Smells like ANSI's been here." + echo "Oh! Smells like ANSI's been here." >&4 echo "We can catify or stringify, separately or together!" cpp_stuff=42 elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then - echo "Ah, yes! The good old days!" + echo "Ah, yes! The good old days!" >&4 echo "However, in the good old days we don't know how to stringify and" echo "catify at the same time." cpp_stuff=1 @@ -7027,6 +8533,8 @@ define) #endif #include #include + +#ifndef DB_VERSION_MAJOR u_int32_t hash_cb (ptr, size) const void *ptr; size_t size; @@ -7037,6 +8545,7 @@ main() { info.hash = hash_cb; } +#endif EOCP if $cc $ccflags -c try.c >try.out 2>&1 ; then if $contains warning try.out >>/dev/null 2>&1 ; then @@ -7045,13 +8554,92 @@ EOCP db_hashtype='u_int32_t' fi else - echo "I can't seem to compile the test program." >&4 - db_hashtype=int + : XXX Maybe we should just give up here. + db_hashtype=u_int32_t + echo "Help: I can't seem to compile the db test program." >&4 + echo "Something's wrong, but I'll assume you use $db_hashtype." >&4 fi $rm -f try.* echo "Your version of Berkeley DB uses $db_hashtype for hash." ;; -*) db_hashtype=int +*) db_hashtype=u_int32_t + ;; +esac + +case "$i_db" in +$define) + : Check db version. + echo " " + echo "Checking Berkeley DB version ..." >&4 + $cat >try.c < +#include +#include +main() +{ +#ifdef DB_VERSION_MAJOR /* DB version >= 2 */ + int Major, Minor, Patch ; + unsigned long Version ; + (void)db_version(&Major, &Minor, &Patch) ; + printf("You have Berkeley DB Version 2 or greater\n"); + + printf("db.h is from Berkeley DB Version %d.%d.%d\n", + DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH); + printf("libdb is from Berkeley DB Version %d.%d.%d\n", + Major, Minor, Patch) ; + + /* check that db.h & libdb are compatible */ + if (DB_VERSION_MAJOR != Major || DB_VERSION_MINOR != Minor || DB_VERSION_PATCH != Patch) { + printf("db.h and libdb are incompatible\n") ; + exit(3); + } + + printf("db.h and libdb are compatible\n") ; + + Version = DB_VERSION_MAJOR * 1000000 + DB_VERSION_MINOR * 1000 + + DB_VERSION_PATCH ; + + /* needs to be >= 2.3.4 */ + if (Version < 2003004) { + /* if (DB_VERSION_MAJOR == 2 && DB_VERSION_MINOR == 0 && DB_VERSION_PATCH +< 5) { */ + printf("but Perl needs Berkeley DB 2.3.4 or greater\n") ; + exit(2); + } + + exit(0); +#else +#if defined(_DB_H_) && defined(BTREEMAGIC) && defined(HASHMAGIC) + printf("You have Berkeley DB Version 1\n"); + exit(0); /* DB version < 2: the coast is clear. */ +#else + exit(1); /* not Berkeley DB? */ +#endif +#endif +} +EOCP + set try + if eval $compile && ./try; then + echo 'Looks OK.' >&4 + else + echo "I can't use Berkeley DB with your . I'll disable Berkeley DB." >&4 + i_db=$undef + case " $libs " in + *"-ldb "*) + : Remove db from list of libraries to use + echo "Removing unusable -ldb from library list" >&4 + set `echo X $libs | $sed -e 's/-ldb / /' -e 's/-ldb$//'` + shift + libs="$*" + echo "libs = $libs" >&4 + ;; + esac + fi + $rm -f try.* ;; esac @@ -7067,6 +8655,8 @@ define) #endif #include #include + +#ifndef DB_VERSION_MAJOR size_t prefix_cb (key1, key2) const DBT *key1; const DBT *key2; @@ -7077,6 +8667,7 @@ main() { info.prefix = prefix_cb; } +#endif EOCP if $cc $ccflags -c try.c >try.out 2>&1 ; then if $contains warning try.out >>/dev/null 2>&1 ; then @@ -7085,13 +8676,15 @@ EOCP db_prefixtype='size_t' fi else - echo "I can't seem to compile the test program." >&4 - db_prefixtype='int' + db_prefixtype='size_t' + : XXX Maybe we should just give up here. + echo "Help: I can't seem to compile the db test program." >&4 + echo "Something's wrong, but I'll assume you use $db_prefixtype." >&4 fi $rm -f try.* echo "Your version of Berkeley DB uses $db_prefixtype for prefix." ;; -*) db_prefixtype='int' +*) db_prefixtype='size_t' ;; esac @@ -7111,9 +8704,9 @@ case "$voidflags" in '') $cat >try.c <<'EOCP' #if TRY & 1 -void main() { +void sub() { #else -main() { +sub() { #endif extern void moo(); /* function returning void */ void (*goo)(); /* ptr to func returning void */ @@ -7131,8 +8724,9 @@ main() { #endif exit(0); } +main() { sub(); } EOCP - if $cc -c -DTRY=$defvoidused try.c >.out 2>&1 ; then + if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then voidflags=$defvoidused echo "It appears to support void to the level $package wants ($defvoidused)." if $contains warning .out >/dev/null 2>&1; then @@ -7141,269 +8735,53 @@ EOCP fi else echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4 - if $cc -c -DTRY=1 try.c >/dev/null 2>&1 ; then - echo "It supports 1..." - if $cc -c -DTRY=3 try.c >/dev/null 2>&1 ; then - echo "It also supports 2..." - if $cc -c -DTRY=7 try.c >/dev/null 2>&1 ; then - voidflags=7 - echo "And it supports 4 but not 8 definitely." - else - echo "It doesn't support 4..." - if $cc -c -DTRY=11 try.c >/dev/null 2>&1 ; then - voidflags=11 - echo "But it supports 8." - else - voidflags=3 - echo "Neither does it support 8." - fi - fi - else - echo "It does not support 2..." - if $cc -c -DTRY=13 try.c >/dev/null 2>&1 ; then - voidflags=13 - echo "But it supports 4 and 8." - else - if $cc -c -DTRY=5 try.c >/dev/null 2>&1 ; then - voidflags=5 - echo "And it supports 4 but has not heard about 8." - else - echo "However it supports 8 but not 4." - fi - fi - fi - else - echo "There is no support at all for void." - voidflags=0 - fi - fi -esac -: Only prompt user if voidflags is not 15. If voidflags is 15, then -: we presume all is well. -case "$voidflags" in -15) ;; -*) dflt="$voidflags"; - rp="Your void support flags add up to what?" - . ./myread - voidflags="$ans" - ;; -esac -$rm -f try.* .out - -: see if dbm.h is available -: see if dbmclose exists -set dbmclose d_dbmclose -eval $inlibc - -case "$d_dbmclose" in -$define) - set dbm.h i_dbm - eval $inhdr - case "$i_dbm" in - $define) - val="$undef" - set i_rpcsvcdbm - eval $setvar - ;; - *) set rpcsvc/dbm.h i_rpcsvcdbm - eval $inhdr - ;; - esac - ;; -*) echo "We won't be including " - val="$undef" - set i_dbm - eval $setvar - val="$undef" - set i_rpcsvcdbm - eval $setvar - ;; -esac - -: see if ndbm.h is available -set ndbm.h t_ndbm -eval $inhdr -case "$t_ndbm" in -$define) - : see if dbm_open exists - set dbm_open d_dbm_open - eval $inlibc - case "$d_dbm_open" in - $undef) - t_ndbm="$undef" - echo "We won't be including " - ;; - esac - ;; -esac -val="$t_ndbm" -set i_ndbm -eval $setvar - -: see if gdbm.h is available -set gdbm.h t_gdbm -eval $inhdr -case "$t_gdbm" in -$define) - : see if gdbm_open exists - set gdbm_open d_gdbm_open - eval $inlibc - case "$d_gdbm_open" in - $undef) - t_gdbm="$undef" - echo "We won't be including " - ;; - esac - ;; -esac -val="$t_gdbm" -set i_gdbm -eval $setvar - -echo " " -echo "Looking for extensions..." >&4 -cd ../ext -: If we are using the old config.sh, known_extensions may contain -: old or inaccurate or duplicate values. -known_extensions='' -: We do not use find because it might not be available. -: We do not just use MANIFEST because the user may have dropped -: some additional extensions into the source tree and expect them -: to be built. -for xxx in * ; do - if $test -f $xxx/$xxx.xs; then - known_extensions="$known_extensions $xxx" - else - if $test -d $xxx; then - cd $xxx - for yyy in * ; do - if $test -f $yyy/$yyy.xs; then - known_extensions="$known_extensions $xxx/$yyy" - fi - done - cd .. - fi - fi -done -set X $known_extensions -shift -known_extensions="$*" -cd ../UU - -: Now see which are supported on this system. -avail_ext='' -for xxx in $known_extensions ; do - case "$xxx" in - DB_File) case "$i_db" in - $define) avail_ext="$avail_ext $xxx" ;; - esac - ;; - GDBM_File) case "$i_gdbm" in - $define) avail_ext="$avail_ext $xxx" ;; - esac - ;; - NDBM_File) case "$i_ndbm" in - $define) avail_ext="$avail_ext $xxx" ;; - esac - ;; - ODBM_File) case "${i_dbm}${i_rpcsvcdbm}" in - *"${define}"*) avail_ext="$avail_ext $xxx" ;; - esac - ;; - POSIX) case "$useposix" in - true|define|y) avail_ext="$avail_ext $xxx" ;; - esac - ;; - Socket) case "$d_socket" in - $define) avail_ext="$avail_ext $xxx" ;; - esac - ;; - *) avail_ext="$avail_ext $xxx" - ;; - esac -done - -set X $avail_ext -shift -avail_ext="$*" - -case $usedl in -$define) - $cat </dev/null 2>&1; then + echo "It supports 1..." + if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then + echo "It also supports 2..." + if $cc $ccflags -c -DTRY=7 try.c >/dev/null 2>&1; then + voidflags=7 + echo "And it supports 4 but not 8 definitely." + else + echo "It doesn't support 4..." + if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then + voidflags=11 + echo "But it supports 8." + else + voidflags=3 + echo "Neither does it support 8." + fi + fi + else + echo "It does not support 2..." + if $cc $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then + voidflags=13 + echo "But it supports 4 and 8." + else + if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then + voidflags=5 + echo "And it supports 4 but has not heard about 8." + else + echo "However it supports 8 but not 4." + fi + fi + fi + else + echo "There is no support at all for void." + voidflags=0 + fi + fi +esac +case "$voidflags" in +"$defvoidused") ;; *) - $cat <&4 +case "$make_set_make" in +'') + $sed 's/^X //' > testmake.mak << 'EOF' +Xall: +X @echo 'maketemp="$(MAKE)"' +EOF + case "`$make -f testmake.mak 2>/dev/null`" in + *maketemp=*) make_set_make='#' ;; + *) make_set_make="MAKE=$make" ;; + esac + $rm -f testmake.mak + ;; +esac +case "$make_set_make" in +'#') echo "Yup, it does.";; +*) echo "Nope, it doesn't.";; +esac + : see what type is used for mode_t set mode_t modetype int stdio.h sys/types.h eval $typedef @@ -7478,19 +8881,6 @@ rp="What type is used for file modes?" . ./myread modetype="$ans" -: set the base revision -baserev=5.0 - -: get the patchlevel -echo " " -echo "Getting the current patchlevel..." >&4 -if $test -r ../patchlevel.h;then - patchlevel=`awk '/PATCHLEVEL/ {print $3}' < ../patchlevel.h` -else - patchlevel=0 -fi -echo "(You have $package $baserev PL$patchlevel.)" - : Cruising for prototypes echo " " echo "Checking out function prototypes..." >&4 @@ -7509,13 +8899,250 @@ set prototype eval $setvar $rm -f prototype* +: define a fucntion to check prototypes +$cat > protochk <> protochk <<'EOSH' + +$rm -f try.c +foo="$1" +shift +while test $# -ge 2; do + case "$1" in + $define) echo "#include <$2>" >> try.c ;; + literal) echo "$2" >> try.c ;; + esac + shift 2 +done +test "$prototype" = "$define" && echo '#define CAN_PROTOTYPE' >> try.c +cat >> try.c <<'EOCP' +#ifdef CAN_PROTOTYPE +#define _(args) args +#else +#define _(args) () +#endif +EOCP +echo "$foo" >> try.c +echo 'int no_real_function_has_this_name _((void)) { return 0; }' >> try.c +$cc $optimize $ccflags -c try.c > /dev/null 2>&1 +status=$? +$rm -f try.[co] +exit $status +EOSH +chmod +x protochk +$eunicefix protochk + +: see if gethostbyaddr exists +set gethostbyaddr d_gethbyaddr +eval $inlibc + +: see if gethostbyname exists +set gethostbyname d_gethbyname +eval $inlibc + +: see if getnetbyaddr exists +set getnetbyaddr d_getnbyaddr +eval $inlibc + +: see if this is a netdb.h system +set netdb.h i_netdb +eval $inhdr + +: see what type is used for size_t +set size_t sizetype 'unsigned int' stdio.h sys/types.h +eval $typedef +dflt="$sizetype" +echo " " +rp="What type is used for the length parameter for string functions?" +. ./myread +sizetype="$ans" + +: check for type of arguments to gethostbyaddr. +if test "X$netdb_host_type" = X -o "X$netdb_hlen_type" = X; then + case "$d_gethbyaddr" in + $define) + $cat <&4 - $cat >try.c <<'EOCP' + $cat >try.c < +#ifdef I_UNISTD +# include +#endif +#ifdef I_STDLIB +# include +#endif +EOCP + $cat >>try.c <<'EOCP' main() { register int i; @@ -7531,8 +9158,9 @@ main() printf("%d\n",i); } EOCP - if $cc try.c -o try >/dev/null 2>&1 ; then - dflt=`try` + set try + if eval $compile; then + dflt=`./try$_exe` else dflt='?' echo "(I can't seem to compile the test program...)" @@ -7545,7 +9173,7 @@ esac rp='How many bits does your rand() function produce?' . ./myread randbits="$ans" -$rm -f try.c try +$rm -f try.* try : see if ar generates random libraries by itself echo " " @@ -7558,18 +9186,18 @@ EOP $cc $ccflags -c bar1.c >/dev/null 2>&1 $cc $ccflags -c bar2.c >/dev/null 2>&1 $cc $ccflags -c foo.c >/dev/null 2>&1 -ar rc bar.a bar2.o bar1.o >/dev/null 2>&1 -if $cc $ccflags $ldflags -o foobar foo.o bar.a $libs > /dev/null 2>&1 && +$ar rc bar$_a bar2$_o bar1$_o >/dev/null 2>&1 +if $cc $ccflags $ldflags -o foobar foo$_o bar$_a $libs > /dev/null 2>&1 && ./foobar >/dev/null 2>&1; then - echo "ar appears to generate random libraries itself." + echo "$ar appears to generate random libraries itself." orderlib=false ranlib=":" -elif ar ts bar.a >/dev/null 2>&1 && - $cc $ccflags $ldflags -o foobar foo.o bar.a $libs > /dev/null 2>&1 && +elif $ar ts bar$_a >/dev/null 2>&1 && + $cc $ccflags $ldflags -o foobar foo$_o bar$_a $libs > /dev/null 2>&1 && ./foobar >/dev/null 2>&1; then - echo "a table of contents needs to be added with 'ar ts'." + echo "a table of contents needs to be added with '$ar ts'." orderlib=false - ranlib="ar ts" + ranlib="$ar ts" else case "$ranlib" in :) ranlib='';; @@ -7631,7 +9259,7 @@ main() } EOCP flags='' -s_timezone='' +for s_timezone in '-DS_TIMEZONE' ''; do sysselect='' for s_timeval in '-DS_TIMEVAL' ''; do for i_systimek in '' '-DSYSTIMEKERNEL'; do @@ -7639,10 +9267,9 @@ for i_time in '' '-DI_TIME'; do for i_systime in '-DI_SYSTIME' ''; do case "$flags" in '') $echo $n ".$c" - if $cc $ccflags \ - $i_time $i_systime $i_systimek $sysselect $s_timeval $s_timezone \ - try.c -o try >/dev/null 2>&1 ; then - set X $i_time $i_systime $i_systimek $sysselect $s_timeval + set try $i_time $i_systime $i_systimek $sysselect $s_timeval $s_timezone + if eval $compile; then + set X $i_time $i_systime $i_systimek $sysselect $s_timeval shift flags="$*" echo " " @@ -7654,6 +9281,7 @@ done done done done +done timeincl='' echo " " case "$flags" in @@ -7691,11 +9319,10 @@ $cat >fd_set.c < -#else +#endif #ifdef I_SYS_SELECT #include #endif -#endif main() { fd_set fds; @@ -7710,7 +9337,8 @@ main() { #endif } EOCP -if $cc $ccflags -DTRYBITS fd_set.c -o fd_set >fd_set.out 2>&1 ; then +set fd_set -DTRYBITS +if eval $compile; then d_fds_bits="$define" d_fd_set="$define" echo "Well, your system knows about the normal fd_set typedef..." >&4 @@ -7727,7 +9355,8 @@ else $cat <<'EOM' Hmm, your compiler has some difficulty with fd_set. Checking further... EOM - if $cc $ccflags fd_set.c -o fd_set >fd_set.out 2>&1 ; then + set fd_set + if eval $compile; then d_fds_bits="$undef" d_fd_set="$define" echo "Well, your system has some sort of fd_set available..." >&4 @@ -7749,79 +9378,56 @@ EOM fi $rm -f fd_set* - -: check for type of arguments to select. This will only really -: work if the system supports prototypes and provides one for -: select. -case "$d_select" in -$define) - : Make initial guess - case "$selecttype" in - ''|' ') - case "$d_fd_set" in - $define) xxx='fd_set *' ;; - *) xxx='int *' ;; +: check for type of arguments to select. +case "$selecttype" in +'') case "$d_select" in + $define) + $cat <try.c < -#ifdef HAS_SOCKET -#include /* Might include */ -#endif -#ifdef I_SYS_TIME -#include -#else -#ifdef I_SYS_SELECT -#include -#endif -#endif -main() -{ - int width; - Select_fd_set_t readfds; - Select_fd_set_t writefds; - Select_fd_set_t exceptfds; - struct timeval timeout; - select(width, readfds, writefds, exceptfds, &timeout); - exit(0); -} -EOCP - if $cc $ccflags -c -DSelect_fd_set_t="$xxx" try.c >/dev/null 2>&1 ; then - selecttype="$xxx" - echo "Your system uses $xxx for the arguments to select." >&4 - elif $cc $ccflags -c -DSelect_fd_set_t="$yyy" try.c >/dev/null 2>&1 ; then - selecttype="$yyy" - echo "Your system uses $yyy for the arguments to select." >&4 - else - rp='What is the type for the 2nd, 3rd, and 4th arguments to select?' - dflt="$xxx" - . ./myread - selecttype="$ans" - fi - $rm -f try.[co] - ;; -*) selecttype='int *' ;; esac : Trace out the files included by signal.h, then look for SIGxxx names. : Remove SIGARRAYSIZE used by HPUX. +: Remove SIGTYP void lines used by OS2. xxx=`echo '#include ' | $cppstdin $cppminus $cppflags 2>/dev/null | $grep '^[ ]*#.*include' | @@ -7838,10 +9444,10 @@ case "$xxxfiles" in '') xxxfiles=`./findhdr signal.h` ;; esac xxx=`awk ' -$1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $2 !~ /SIGARRAYSIZE/ { +$1 ~ /^#define$/ && $2 ~ /^SIG[A-Z0-9]*$/ && $2 !~ /SIGARRAYSIZE/ && $3 !~ /void/ { print substr($2, 4, 20) } -$1 == "#" && $2 ~ /^define$/ && $3 ~ /^SIG[A-Z0-9]*$/ && $3 !~ /SIGARRAYSIZE/ { +$1 == "#" && $2 ~ /^define$/ && $3 ~ /^SIG[A-Z0-9]*$/ && $3 !~ /SIGARRAYSIZE/ && $4 !~ /void/ { print substr($3, 4, 20) }' $xxxfiles` : Append some common names just in case the awk scan failed. @@ -7850,26 +9456,111 @@ xxx="$xxx LOST PHONE PIPE POLL PROF PWR QUIT SEGV STKFLT STOP SYS TERM TRAP" xxx="$xxx TSTP TTIN TTOU URG USR1 USR2 USR3 USR4 VTALRM" xxx="$xxx WINCH WIND WINDOW XCPU XFSZ" : generate a few handy files for later -echo $xxx | $tr ' ' '\012' | $awk ' -BEGIN { - printf "#include \n"; - printf "main() {\n"; -} +$cat > signal.c <<'EOP' +#include +#include +int main() { + +/* Strange style to avoid deeply-nested #if/#else/#endif */ +#ifndef NSIG +# ifdef _NSIG +# define NSIG (_NSIG) +# endif +#endif + +#ifndef NSIG +# ifdef SIGMAX +# define NSIG (SIGMAX+1) +# endif +#endif + +#ifndef NSIG +# ifdef SIG_MAX +# define NSIG (SIG_MAX+1) +# endif +#endif + +#ifndef NSIG +# ifdef MAXSIG +# define NSIG (MAXSIG+1) +# endif +#endif + +#ifndef NSIG +# ifdef MAX_SIG +# define NSIG (MAX_SIG+1) +# endif +#endif + +#ifndef NSIG +# ifdef SIGARRAYSIZE +# define NSIG (SIGARRAYSIZE+1) /* Not sure of the +1 */ +# endif +#endif + +#ifndef NSIG +# ifdef _sys_nsig +# define NSIG (_sys_nsig) /* Solaris 2.5 */ +# endif +#endif + +/* Default to some arbitrary number that's big enough to get most + of the common signals. +*/ +#ifndef NSIG +# define NSIG 50 +#endif + +printf("NSIG %d\n", NSIG); + +EOP +echo $xxx | $tr ' ' '\012' | $sort | $uniq | $awk ' { printf "#ifdef SIG"; printf $1; printf "\n" printf "printf(\""; printf $1; printf " %%d\\n\",SIG"; printf $1; printf ");\n" printf "#endif\n" } -END { - printf "}\n"; +END { + printf "}\n"; +} +' >>signal.c +$cat >signal.awk <<'EOP' +BEGIN { ndups = 0 } +$1 ~ /^NSIG$/ { nsig = $2 } +($1 !~ /^NSIG$/) && (NF == 2) { + if ($2 > maxsig) { maxsig = $2 } + if (sig_name[$2]) { + dup_name[ndups] = $1 + dup_num[ndups] = $2 + ndups++ + } + else { + sig_name[$2] = $1 + sig_num[$2] = $2 + } + +} +END { + if (nsig == 0) { nsig = maxsig + 1 } + for (n = 1; n < nsig; n++) { + if (sig_name[n]) { + printf("%s %d\n", sig_name[n], sig_num[n]) + } + else { + printf("NUM%d %d\n", n, n) + } + } + for (n = 0; n < ndups; n++) { + printf("%s %d\n", dup_name[n], dup_num[n]) + } } -' >signal.c -$cat >signal.cmd <signal_cmd </dev/null 2>&1; then - ./signal | $sort -n +1 | $uniq >signal.lst +if $cc $optimize $ccflags $ldflags -o signal signal.c $libs >/dev/null 2>&1; then + ./signal$_exe | $sort -n +1 | $uniq | $awk -f signal.awk >signal.lst else echo "(I can't seem be able to compile the test program -- Guessing)" echo 'kill -l' >signal @@ -7880,21 +9571,27 @@ else 0) set HUP INT QUIT ILL TRAP ABRT EMT FPE KILL BUS SEGV SYS PIPE ALRM TERM;; esac echo \$@ | $tr ' ' '\012' | \ - $awk '{ printf $1; printf " %d\n", ++s; }' >signal.lst + $awk '{ printf \$1; printf " %d\n", ++s; }' >signal.lst fi -$rm -f signal.c signal signal.o +$rm -f signal.c signal signal$_o EOS -chmod a+x signal.cmd -$eunicefix signal.cmd +chmod a+x signal_cmd +$eunicefix signal_cmd : generate list of signal names echo " " -case "$sig_name" in +case "$sig_name_init" in '') - echo "Generating a list of signal names..." >&4 - ./signal.cmd + echo "Generating a list of signal names and numbers..." >&4 + ./signal_cmd sig_name=`$awk '{printf "%s ", $1}' signal.lst` sig_name="ZERO $sig_name" + sig_name_init=`$awk 'BEGIN { printf "\"ZERO\", " } + { printf "\"%s\", ", $1 } + END { printf "0\n" }' signal.lst` + sig_num=`$awk 'BEGIN { printf "0, " } + { printf "%d, ", $2} + END { printf "0\n"}' signal.lst` ;; esac echo "The following signals are available:" @@ -7913,30 +9610,7 @@ echo $sig_name | $awk \ } printf "\n" }' - -: generate list of signal numbers -echo " " -case "$sig_num" in -'') - echo "Generating a list of signal numbers..." >&4 - ./signal.cmd - sig_num=`$awk '{printf "%d ", $2}' signal.lst` - sig_num="0 $sig_num" - ;; -esac -case "$sig_max" in -'') sig_max=`$tail -1 signal.lst | $awk '{print $2}'` ;; -esac -echo "The maximum signal number defined is $sig_max." - -: see what type is used for size_t -set size_t sizetype 'unsigned int' stdio.h sys/types.h -eval $typedef -dflt="$sizetype" -echo " " -rp="What type is used for the length parameter for string functions?" -. ./myread -sizetype="$ans" +$rm -f signal signal.c signal.awk signal.lst signal_cmd : see what type is used for signed size_t set ssize_t ssizetype int stdio.h sys/types.h @@ -7955,25 +9629,29 @@ main() printf("int\n"); else printf("long\n"); + exit(0); } EOM echo " " -if $cc $ccflags $ldflags -o ssize ssize.c $libs > /dev/null 2>&1 ; then +set ssize +if eval $compile && ./ssize > /dev/null; then ssizetype=`./ssize` echo "I'll be using $ssizetype for functions returning a byte count." >&4 else - echo "(I can't compile the test program--please enlighten me!)" - $cat <&4 <" + val="$undef" + set i_dbm + eval $setvar + val="$undef" + set i_rpcsvcdbm + eval $setvar + ;; +esac + : see if this is a sys/file.h system val='' set sys/file.h val @@ -8081,32 +9789,32 @@ eval $setvar set grp.h i_grp eval $inhdr +: see if locale.h is available +set locale.h i_locale +eval $inhdr + : see if this is a math.h system set math.h i_math eval $inhdr -: see if memory.h is available. -val='' -set memory.h val +: see if ndbm.h is available +set ndbm.h t_ndbm eval $inhdr - -: See if it conflicts with string.h -case "$val" in +case "$t_ndbm" in $define) - case "$strings" in - '') ;; - *) - $cppstdin $cppflags $cppminus < $strings > mem.h - if $contains 'memcpy' mem.h >/dev/null 2>&1; then - echo " " - echo "We won't be including ." - val="$undef" - fi - $rm -f mem.h + : see if dbm_open exists + set dbm_open d_dbm_open + eval $inlibc + case "$d_dbm_open" in + $undef) + t_ndbm="$undef" + echo "We won't be including " ;; esac + ;; esac -set i_memory +val="$t_ndbm" +set i_ndbm eval $setvar : see if net/errno.h is available @@ -8348,12 +10056,13 @@ va_dcl } EOP $cat > varargs </dev/null 2>&1; then echo "true" else echo "false" fi -$rm -f varargs.o +$rm -f varargs$_o EOP chmod +x varargs @@ -8426,6 +10135,10 @@ eval $setvar set sys/param.h i_sysparam eval $inhdr +: see if sys/resource.h has to be included +set sys/resource.h i_sysresrc +eval $inhdr + : see if sys/stat.h is available set sys/stat.h i_sysstat eval $inhdr @@ -8434,14 +10147,22 @@ eval $inhdr set sys/types.h i_systypes eval $inhdr -: see if this is a unistd.h system -set unistd.h i_unistd +: see if this is a sys/un.h system +set sys/un.h i_sysun +eval $inhdr + +: see if this is a syswait system +set sys/wait.h i_syswait eval $inhdr : see if this is an utime system set utime.h i_utime eval $inhdr +: see if this is a values.h system +set values.h i_values +eval $inhdr + : see if this is a vfork system case "$d_vfork" in "$define") @@ -8453,6 +10174,182 @@ case "$d_vfork" in ;; esac +: see if gdbm.h is available +set gdbm.h t_gdbm +eval $inhdr +case "$t_gdbm" in +$define) + : see if gdbm_open exists + set gdbm_open d_gdbm_open + eval $inlibc + case "$d_gdbm_open" in + $undef) + t_gdbm="$undef" + echo "We won't be including " + ;; + esac + ;; +esac +val="$t_gdbm" +set i_gdbm +eval $setvar + +echo " " +echo "Looking for extensions..." >&4 +cd ../ext +: If we are using the old config.sh, known_extensions may contain +: old or inaccurate or duplicate values. +known_extensions='' +: We do not use find because it might not be available. +: We do not just use MANIFEST because the user may have dropped +: some additional extensions into the source tree and expect them +: to be built. +for xxx in * ; do + case "$xxx" in + DynaLoader) ;; + *) if $test -f $xxx/$xxx.xs; then + known_extensions="$known_extensions $xxx" + else + if $test -d $xxx; then + cd $xxx + for yyy in * ; do + if $test -f $yyy/$yyy.xs; then + known_extensions="$known_extensions $xxx/$yyy" + fi + done + cd .. + fi + fi ;; + esac +done +set X $known_extensions +shift +known_extensions="$*" +cd ../UU + +: Now see which are supported on this system. +avail_ext='' +for xxx in $known_extensions ; do + case "$xxx" in + DB_File|db_file) case "$i_db" in + $define) avail_ext="$avail_ext $xxx" ;; + esac + ;; + GDBM_File|gdbm_fil) case "$i_gdbm" in + $define) avail_ext="$avail_ext $xxx" ;; + esac + ;; + NDBM_File|ndbm_fil) case "$i_ndbm" in + $define) avail_ext="$avail_ext $xxx" ;; + esac + ;; + ODBM_File|odbm_fil) case "${i_dbm}${i_rpcsvcdbm}" in + *"${define}"*) avail_ext="$avail_ext $xxx" ;; + esac + ;; + POSIX|posix) case "$useposix" in + true|define|y) avail_ext="$avail_ext $xxx" ;; + esac + ;; + Opcode|opcode) case "$useopcode" in + true|define|y) avail_ext="$avail_ext $xxx" ;; + esac + ;; + Socket|socket) case "$d_socket" in + true|$define|y) avail_ext="$avail_ext $xxx" ;; + esac + ;; + Thread|thread) case "$usethreads" in + true|$define|y) avail_ext="$avail_ext $xxx" ;; + esac + ;; + *) avail_ext="$avail_ext $xxx" + ;; + esac +done + +set X $avail_ext +shift +avail_ext="$*" + +case $usedl in +$define) + $cat <>config.sh +$test -f $src/patchlevel.h && \ +awk '/^#define/ {printf "%s=%s\n",$2,$3}' $src/patchlevel.h >>config.sh echo "CONFIG=true" >>config.sh : propagate old symbols @@ -9060,6 +11022,17 @@ else echo "Done." fi +if $test -f Policy.sh; then + $cat <