X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Configure;h=8e2a765f1124618e5124f858704f8b56a41b0a40;hb=d66e832e9fab8b58efc050fa203ce5c595e586b3;hp=cabdc46a8ba1ac9e02ff9f1b7a53579961406b69;hpb=4492b098a8517fe1f73eca32139095ceb008ac02;p=p5sagit%2Fp5-mst-13.2.git diff --git a/Configure b/Configure index cabdc46..8e2a765 100755 --- a/Configure +++ b/Configure @@ -20,7 +20,7 @@ # $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $ # -# Generated on Tue Mar 18 09:54:18 EET 2003 [metaconfig 3.0 PL70] +# Generated on Sat May 24 10:07:39 EET DST 2003 [metaconfig 3.0 PL70] # (with additional metaconfig patches by perlbug@perl.org) cat >c1$$ <&1 >/dev/null ; then if test -n "$OS2_SHELL"; then p_=\; PATH=`cmd /c "echo %PATH%" | tr '\\\\' / ` OS2_SHELL=`cmd /c "echo %OS2_SHELL%" | tr '\\\\' / | tr '[A-Z]' '[a-z]'` + is_os2=yes elif test -n "$DJGPP"; then case "X${MACHTYPE:-nonesuchmach}" in *cygwin) ;; @@ -333,6 +334,7 @@ cppstdin='' d__fwalk='' d_access='' d_accessx='' +d_aintl='' d_alarm='' asctime_r_proto='' d_asctime_r='' @@ -351,6 +353,7 @@ d_closedir='' d_void_closedir='' d_cmsghdr_s='' d_const='' +d_copysignl='' cryptlib='' d_crypt='' crypt_r_proto='' @@ -394,6 +397,7 @@ endpwent_r_proto='' d_endsent='' d_endservent_r='' endservent_r_proto='' +d_faststdio='' d_fchdir='' d_fchmod='' d_fchown='' @@ -509,6 +513,7 @@ d_gnulibc='' gnulibc_version='' d_hasmntopt='' d_htonl='' +d_ilogbl='' d_inetaton='' d_int64_t='' d_isascii='' @@ -575,6 +580,7 @@ procselfexe='' d_old_pthread_create_joinable='' old_pthread_create_joinable='' d_pthread_atfork='' +d_pthread_attr_setscope='' d_pthread_yield='' d_sched_yield='' sched_yield='' @@ -598,6 +604,7 @@ d_safebcpy='' d_safemcpy='' d_sanemcmp='' d_sbrkproto='' +d_scalbnl='' d_select='' d_sem='' d_semctl='' @@ -1109,6 +1116,7 @@ uidtype='' archname64='' use64bitall='' use64bitint='' +usefaststdio='' ccflags_uselargefiles='' ldflags_uselargefiles='' libswanted_uselargefiles='' @@ -1195,7 +1203,7 @@ elif test -f "/system/gnu_library/bin/ar.pm"; then elif test -n "$DJGPP"; then : DOS DJGPP _exe=".exe" -elif test -d c:/. ; then +elif test -d c:/. -o -n "$is_os2" ; then : OS/2 or cygwin _exe=".exe" fi @@ -3137,6 +3145,9 @@ EOM openbsd) osname=openbsd osvers="$3" ;; + os2) osname=os2 + osvers="$4" + ;; POSIX-BC | posix-bc ) osname=posix-bc osvers="$3" ;; @@ -3185,7 +3196,8 @@ EOM mips) osname=mips_osf1 ;; esac ;; - unixware) osname=svr5 + # UnixWare 7.1.2 is known as Open UNIX 8 + openunix|unixware) osname=svr5 osvers="$4" ;; uts) osname=uts @@ -3255,7 +3267,7 @@ EOM osname=news_os fi $rm -f UU/kernel.what - elif test -d c:/.; then + elif test -d c:/. -o -n "$is_os2" ; then set X $myuname osname=os2 osvers="$5" @@ -4508,6 +4520,50 @@ case "$firstmakefile" in '') firstmakefile='makefile';; esac +case "$ccflags" in +*-DUSE_LONG_DOUBLE*|*-DUSE_MORE_BITS*) uselongdouble="$define" ;; +esac + +case "$uselongdouble" in +$define|true|[yY]*) dflt='y';; +*) dflt='n';; +esac +cat <&4 @@ -4855,7 +4911,7 @@ echo " " echo "Checking your choice of C compiler and flags for coherency..." >&4 $cat > try.c <<'EOF' #include -int main() { printf("Ok\n"); exit(0); } +int main() { printf("Ok\n"); return(0); } EOF set X $cc -o try $optimize $ccflags $ldflags try.c $libs shift @@ -4978,6 +5034,7 @@ echo "Your cpp writes the filename in the $pos field of the line." case "$osname" in vos) cppfilter="tr '\\\\>' '/' |" ;; # path component separator is > +os2) cppfilter="sed -e 's|\\\\\\\\|/|g' |" ;; # path component separator is \ *) cppfilter='' ;; esac : locate header file @@ -5428,1027 +5485,280 @@ case "$use64bitall" in ;; esac +case "$d_quad:$use64bitint" in +$undef:$define) + cat >&4 <&4 -cat >try.c <<'EOCP' -/* Find out version of GNU C library. __GLIBC__ and __GLIBC_MINOR__ - alone are insufficient to distinguish different versions, such as - 2.0.6 and 2.0.7. The function gnu_get_libc_version() appeared in - libc version 2.1.0. A. Dougherty, June 3, 2002. -*/ +case "$doublesize" in +'') + echo "Checking to see how big your double precision numbers are..." >&4 + $cat >try.c < -int main(void) -{ -#ifdef __GLIBC__ -# ifdef __GLIBC_MINOR__ -# if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 -# include - printf("%s\n", gnu_get_libc_version()); -# else - printf("%d.%d\n", __GLIBC__, __GLIBC_MINOR__); -# endif -# else - printf("%d\n", __GLIBC__); -# endif - return 0; -#else - return 1; +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include #endif +int main() +{ + printf("%d\n", (int)sizeof(double)); + exit(0); } EOCP + set try + if eval $compile_ok; then + doublesize=`$run ./try` + echo "Your double is $doublesize bytes long." + else + dflt='8' + echo "(I can't seem to compile the test program. Guessing...)" + rp="What is the size of a double precision number (in bytes)?" + . ./myread + doublesize="$ans" + fi + ;; +esac +$rm -f try.c try + +: check for long doubles +echo " " +echo "Checking to see if you have long double..." >&4 +echo 'int main() { long double x = 7.0; }' > try.c set try -if eval $compile_ok && $run ./try > glibc.ver; then +if eval $compile; then val="$define" - gnulibc_version=`$cat glibc.ver` - echo "You are using the GNU C Library version $gnulibc_version" + echo "You have long double." else val="$undef" - gnulibc_version='' - echo "You are not using the GNU C Library" + echo "You do not have long double." fi -$rm -f try try.* glibc.ver -set d_gnulibc +$rm try.* +set d_longdbl eval $setvar -: see if nm is to be used to determine whether a symbol is defined or not -case "$usenm" in -'') - dflt='' - case "$d_gnulibc" in - "$define") +: check for length of long double +case "${d_longdbl}${longdblsize}" in +$define) + echo " " + echo "Checking to see how big your long doubles are..." >&4 + $cat >try.c <<'EOCP' +#include +int main() +{ + printf("%d\n", sizeof(long double)); +} +EOCP + set try + set try + if eval $compile; then + longdblsize=`$run ./try` + echo "Your long doubles are $longdblsize bytes long." + else + dflt='8' echo " " - echo "nm probably won't work on the GNU C Library." >&4 - dflt=n - ;; - esac - case "$dflt" in - '') - if $test "$osname" = aix -a "X$PASE" != "Xdefine" -a ! -f /lib/syscalls.exp; then - echo " " - echo "Whoops! This is an AIX system without /lib/syscalls.exp!" >&4 - echo "'nm' won't be sufficient on this sytem." >&4 - dflt=n - fi - ;; - esac - case "$dflt" in - '') dflt=`$egrep 'inlibc|csym' $rsrc/Configure | wc -l 2>/dev/null` - if $test $dflt -gt 20; then - dflt=y - else - dflt=n - fi - ;; - esac - ;; -*) - case "$usenm" in - true|$define) dflt=y;; - *) dflt=n;; - esac + echo "(I can't seem to compile the test program. Guessing...)" >&4 + rp="What is the size of a long double (in bytes)?" + . ./myread + longdblsize="$ans" + fi + if $test "X$doublesize" = "X$longdblsize"; then + echo "(That isn't any different from an ordinary double.)" + fi ;; esac -$cat < tmparch 2>&1 ; then + tarch=`$sed -e 's/ *$//' -e 's/ /_/g' \ + -e 's/$/'"-$osname/" tmparch` else - nm_opt='' - fi;; -esac - -: nm options which may be necessary for shared libraries but illegal -: for archive libraries. Thank you, Linux. -case "$nm_so_opt" in -'') case "$myuname" in - *linux*) - if $nm --help | $grep 'dynamic' > /dev/null 2>&1; then - nm_so_opt='--dynamic' - fi - ;; - esac + tarch="$osname" + fi + $rm -f tmparch +else + tarch="$osname" +fi +case "$myarchname" in +''|"$tarch") ;; +*) + echo "(Your architecture name used to be $myarchname.)" + archname='' ;; esac - -case "$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 $libpth` - esac +case "$targetarch" in +'') ;; +*) archname=`echo $targetarch|sed 's,^[^-]*-,,'` ;; +esac +myarchname="$tarch" +case "$archname" in +'') dflt="$tarch";; +*) dflt="$archname";; +esac +rp='What is your architecture name' +. ./myread +archname="$ans" +case "$usethreads" in +$define) + echo "Threads selected." >&4 + case "$archname" in + *-thread*) echo "...and architecture name already has -thread." >&4 + ;; + *) archname="$archname-thread" + echo "...setting architecture name to $archname." >&4 + ;; + esac ;; esac -case "$libs" in -'') ;; -*) for thislib in $libs; do - case "$thislib" in - -lc|-lc_s) - : Handle C library specially below. +case "$usemultiplicity" in +$define) + echo "Multiplicity selected." >&4 + case "$archname" in + *-multi*) echo "...and architecture name already has -multi." >&4 + ;; + *) archname="$archname-multi" + echo "...setting architecture name to $archname." >&4 + ;; + esac + ;; +esac +case "$use64bitint$use64bitall" in +*"$define"*) + case "$archname64" in + '') + echo "This architecture is naturally 64-bit, not changing architecture name." >&4 ;; - -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 $try" + *) + case "$use64bitint" in + "$define") echo "64 bit integers selected." >&4 ;; + esac + case "$use64bitall" in + "$define") echo "Maximal 64 bitness selected." >&4 ;; + esac + case "$archname" in + *-$archname64*) echo "...and architecture name already has $archname64." >&4 + ;; + *) archname="$archname-$archname64" + echo "...setting architecture name to $archname." >&4 + ;; + esac + ;; + esac +esac +case "$uselongdouble" in +$define) + echo "Long doubles selected." >&4 + case "$longdblsize" in + $doublesize) + echo "...but long doubles are equal to doubles, not changing architecture name." >&4 + ;; + *) + case "$archname" in + *-ld*) echo "...and architecture name already has -ld." >&4 + ;; + *) archname="$archname-ld" + echo "...setting architecture name to $archname." >&4 + ;; + esac ;; - *) libnames="$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 ' ' $trnl | egrep -v '\.[A-Za-z]*$' | $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 +case "$useperlio" in +$define) + echo "Perlio selected." >&4 ;; *) - set blurfl + echo "Perlio not selected, using stdio." >&4 + case "$archname" in + *-stdio*) echo "...and architecture name already has -stdio." >&4 + ;; + *) archname="$archname-stdio" + echo "...setting architecture name to $archname." >&4 + ;; + esac ;; 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 $libc. 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Giving up." >&4 - exit 1 - fi - fi - fi -fi -nm_extract="$com" -case "$PASE" in -define) - echo " " - echo "Since you are compiling for PASE, extracting more symbols from libc.a ...">&4 - dump -Tv /lib/libc.a | awk '$7 == "/unix" {print $5 " " $8}' | grep "^SV" | awk '{print $2}' >> libc.list - ;; -*) 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[0-9]*[ ]*$/\1/p' /lib/syscalls.exp >>libc.list - fi - ;; -esac -;; -esac -$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;; - *) - echo "int main() { extern short $1$tdc; printf(\"%hd\", $1$tc); }" > t.c; - if $cc -o t $optimize $ccflags $ldflags 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 sqrtl exists -set sqrtl d_sqrtl -eval $inlibc - -hasproto='varname=$1; func=$2; shift; shift; -while $test $# -ge 2; do - case "$1" in - $define) echo "#include <$2>";; - esac ; - shift 2; -done > try.c; -$cppstdin $cppflags $cppminus < try.c > tryout.c 2>/dev/null; -if $contains "$func.*(" tryout.c >/dev/null 2>&1; then - echo "$func() prototype found."; - val="$define"; -else - echo "$func() prototype NOT found."; - val="$undef"; -fi; -set $varname; -eval $setvar; -$rm -f try.c tryout.c' - -: check for length of double -echo " " -case "$doublesize" in -'') - echo "Checking to see how big your double precision numbers are..." >&4 - $cat >try.c < -#$i_stdlib I_STDLIB -#ifdef I_STDLIB -#include -#endif -int main() -{ - printf("%d\n", (int)sizeof(double)); - exit(0); -} -EOCP - set try - if eval $compile_ok; then - doublesize=`$run ./try` - echo "Your double is $doublesize bytes long." - else - dflt='8' - echo "(I can't seem to compile the test program. Guessing...)" - rp="What is the size of a double precision number (in bytes)?" - . ./myread - doublesize="$ans" - fi - ;; -esac -$rm -f try.c try - -: check for long doubles -echo " " -echo "Checking to see if you have long double..." >&4 -echo 'int main() { long double x = 7.0; }' > try.c -set try -if eval $compile; then - val="$define" - echo "You have long double." -else - val="$undef" - echo "You do not have long double." -fi -$rm try.* -set d_longdbl -eval $setvar - -: check for length of long double -case "${d_longdbl}${longdblsize}" in -$define) - echo " " - echo "Checking to see how big your long doubles are..." >&4 - $cat >try.c <<'EOCP' -#include -int main() -{ - printf("%d\n", sizeof(long double)); -} -EOCP - set try - set try - if eval $compile; then - longdblsize=`$run ./try` - echo "Your long doubles are $longdblsize bytes long." - else - dflt='8' - echo " " - echo "(I can't seem to compile the test program. Guessing...)" >&4 - rp="What is the size of a long double (in bytes)?" - . ./myread - longdblsize="$ans" - fi - if $test "X$doublesize" = "X$longdblsize"; then - echo "(That isn't any different from an ordinary double.)" - fi - ;; -esac -$rm -f try.* try - -echo " " - -if $test X"$d_longdbl" = X"$define"; then - -echo "Checking how to print long doubles..." >&4 - -if $test X"$sPRIfldbl" = X -a X"$doublesize" = X"$longdblsize"; then - $cat >try.c <<'EOCP' -#include -#include -int main() { - double d = 123.456; - printf("%.3f\n", d); -} -EOCP - set try - if eval $compile; then - yyy=`$run ./try` - case "$yyy" in - 123.456) - sPRIfldbl='"f"'; sPRIgldbl='"g"'; sPRIeldbl='"e"'; - sPRIFUldbl='"F"'; sPRIGUldbl='"G"'; sPRIEUldbl='"E"'; - echo "We will use %f." - ;; - esac - fi -fi - -if $test X"$sPRIfldbl" = X; then - $cat >try.c <<'EOCP' -#include -#include -int main() { - long double d = 123.456; - printf("%.3Lf\n", d); -} -EOCP - set try - if eval $compile; then - yyy=`$run ./try` - case "$yyy" in - 123.456) - sPRIfldbl='"Lf"'; sPRIgldbl='"Lg"'; sPRIeldbl='"Le"'; - sPRIFUldbl='"LF"'; sPRIGUldbl='"LG"'; sPRIEUldbl='"LE"'; - echo "We will use %Lf." - ;; - esac - fi -fi - -if $test X"$sPRIfldbl" = X; then - $cat >try.c <<'EOCP' -#include -#include -int main() { - long double d = 123.456; - printf("%.3llf\n", d); -} -EOCP - set try - if eval $compile; then - yyy=`$run ./try` - case "$yyy" in - 123.456) - sPRIfldbl='"llf"'; sPRIgldbl='"llg"'; sPRIeldbl='"lle"'; - sPRIFUldbl='"llF"'; sPRIGUldbl='"llG"'; sPRIEUldbl='"llE"'; - echo "We will use %llf." - ;; - esac - fi -fi - -if $test X"$sPRIfldbl" = X; then - $cat >try.c <<'EOCP' -#include -#include -int main() { - long double d = 123.456; - printf("%.3lf\n", d); -} -EOCP - set try - if eval $compile; then - yyy=`$run ./try` - case "$yyy" in - 123.456) - sPRIfldbl='"lf"'; sPRIgldbl='"lg"'; sPRIeldbl='"le"'; - sPRIFUldbl='"lF"'; sPRIGUldbl='"lG"'; sPRIEUldbl='"lE"'; - echo "We will use %lf." - ;; - esac - fi -fi - -if $test X"$sPRIfldbl" = X; then - echo "Cannot figure out how to print long doubles." >&4 -else - sSCNfldbl=$sPRIfldbl # expect consistency -fi - -$rm -f try try.* - -fi # d_longdbl - -case "$sPRIfldbl" in -'') d_PRIfldbl="$undef"; d_PRIgldbl="$undef"; d_PRIeldbl="$undef"; - d_PRIFUldbl="$undef"; d_PRIGUldbl="$undef"; d_PRIEUldbl="$undef"; - d_SCNfldbl="$undef"; - ;; -*) d_PRIfldbl="$define"; d_PRIgldbl="$define"; d_PRIeldbl="$define"; - d_PRIFUldbl="$define"; d_PRIGUldbl="$define"; d_PRIEUldbl="$define"; - d_SCNfldbl="$define"; - ;; -esac - -: see if modfl exists -set modfl d_modfl -eval $inlibc - -: see if prototype for modfl is available -echo " " -set d_modflproto modfl math.h -eval $hasproto - -d_modfl_pow32_bug="$undef" - -case "$d_longdbl$d_modfl" in -$define$define) - $cat <try.c < -#include -EOCP -if $test "X$d_modflproto" != "X$define"; then - $cat >>try.c <>try.c <&4 "Your modfl() is broken for large values." - d_modfl_pow32_bug="$define" - case "$foo" in - glibc) echo >&4 "You should upgrade your glibc to at least 2.2.2 to get a fixed modfl()." - ;; - esac - ;; - *" 4294967303.150000 0.150000 4294967303.000000") - echo >&4 "Your modfl() seems okay for large values." - ;; - *) echo >&4 "I don't understand your modfl() at all." - d_modfl="$undef" - ;; - esac - $rm -f try.* try core core.try.* - else - echo "I cannot figure out whether your modfl() is okay, assuming it isn't." - d_modfl="$undef" - fi - case "$osname:$gccversion" in - aix:) ccflags="$saveccflags" ;; # restore - esac - ;; -esac - -case "$ccflags" in -*-DUSE_LONG_DOUBLE*|*-DUSE_MORE_BITS*) uselongdouble="$define" ;; -esac - -case "$uselongdouble" in -$define|true|[yY]*) dflt='y';; -*) dflt='n';; -esac -cat <&4 - -*** You requested the use of long doubles but you do not seem to have -*** the mathematic functions for long doubles. -*** ($message) -*** I'm disabling the use of long doubles. - -EOM - - uselongdouble=$undef -fi - -: 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 $myarchname.)" - archname='' - ;; -esac -case "$targetarch" in -'') ;; -*) archname=`echo $targetarch|sed 's,^[^-]*-,,'` ;; -esac -myarchname="$tarch" -case "$archname" in -'') dflt="$tarch";; -*) dflt="$archname";; -esac -rp='What is your architecture name' -. ./myread -archname="$ans" -case "$usethreads" in -$define) - echo "Threads selected." >&4 - case "$archname" in - *-thread*) echo "...and architecture name already has -thread." >&4 - ;; - *) archname="$archname-thread" - echo "...setting architecture name to $archname." >&4 - ;; - esac - ;; -esac -case "$usemultiplicity" in -$define) - echo "Multiplicity selected." >&4 - case "$archname" in - *-multi*) echo "...and architecture name already has -multi." >&4 - ;; - *) archname="$archname-multi" - echo "...setting architecture name to $archname." >&4 - ;; - esac - ;; -esac -case "$use64bitint$use64bitall" in -*"$define"*) - case "$archname64" in - '') - echo "This architecture is naturally 64-bit, not changing architecture name." >&4 - ;; - *) - case "$use64bitint" in - "$define") echo "64 bit integers selected." >&4 ;; - esac - case "$use64bitall" in - "$define") echo "Maximal 64 bitness selected." >&4 ;; - esac - case "$archname" in - *-$archname64*) echo "...and architecture name already has $archname64." >&4 - ;; - *) archname="$archname-$archname64" - echo "...setting architecture name to $archname." >&4 - ;; - esac - ;; - esac -esac -case "$uselongdouble" in -$define) - echo "Long doubles selected." >&4 - case "$longdblsize" in - $doublesize) - echo "...but long doubles are equal to doubles, not changing architecture name." >&4 - ;; - *) - case "$archname" in - *-ld*) echo "...and architecture name already has -ld." >&4 - ;; - *) archname="$archname-ld" - echo "...setting architecture name to $archname." >&4 - ;; - esac - ;; - esac - ;; -esac -case "$useperlio" in -$define) - echo "Perlio selected." >&4 - ;; -*) - echo "Perlio not selected, using stdio." >&4 - case "$archname" in - *-stdio*) echo "...and architecture name already has -stdio." >&4 - ;; - *) archname="$archname-stdio" - echo "...setting architecture name to $archname." >&4 - ;; - esac - ;; -esac - -: determine root of directory hierarchy where package will be installed. -case "$prefix" in -'') - dflt=`./loc . /usr/local /usr/local /local /opt /usr` - ;; -*?/) - dflt=`echo "$prefix" | sed 's/.$//'` - ;; -*) - dflt="$prefix" - ;; -esac -$cat <&4 -else - echo "AFS does not seem to be running..." >&4 +: is AFS running? +echo " " +case "$afs" in +$define|true) afs=true ;; +$undef|false) afs=false ;; +*) if test -d $afsroot; then + afs=true + else + afs=false + fi + ;; +esac +if $afs; then + echo "AFS may be running... I'll be extra cautious then..." >&4 +else + echo "AFS does not seem to be running..." >&4 fi : determine installation prefix for where package is to be installed. @@ -6923,21 +6233,23 @@ case "$use64bitall" in case "$ptrsize" in 4) cat <&4 -*** You have chosen a maximally 64-bit build, but your pointers -*** are only 4 bytes wide, disabling maximal 64-bitness. - +*** You have chosen a maximally 64-bit build, +*** but your pointers are only 4 bytes wide. +*** Please rerun Configure without -Duse64bitall. EOM - use64bitall="$undef" - case "$use64bitint" in - "$define"|true|[yY]*) ;; - *) cat <&4 - -*** Downgrading from maximal 64-bitness to using 64-bit integers. - + case "$d_quad" in + define) + cat <&4 +*** Since you have quads, you could possibly try with -Duse64bitint. EOM - use64bitint="$define" ;; esac + cat <&4 +*** Cannot continue, aborting. + +EOM + + exit 1 ;; esac ;; @@ -7285,7 +6597,11 @@ eval $setvar : Cruising for prototypes echo " " echo "Checking out function prototypes..." >&4 -$cat >prototype.c <<'EOCP' +$cat >prototype.c < +#endif int main(int argc, char *argv[]) { exit(0);} EOCP @@ -7531,93 +6847,573 @@ case "$inc_version_list" in dflt='none' fi ;; -$undef) dflt='none' ;; -*) eval dflt=\"$inc_version_list\" ;; -esac -case "$dflt" in -''|' ') dflt=none ;; -esac -case "$dflt" in -5.005) dflt=none ;; -esac -$cat <&4 +cat >try.c <<'EOCP' +/* Find out version of GNU C library. __GLIBC__ and __GLIBC_MINOR__ + alone are insufficient to distinguish different versions, such as + 2.0.6 and 2.0.7. The function gnu_get_libc_version() appeared in + libc version 2.1.0. A. Dougherty, June 3, 2002. +*/ +#include +int main(void) +{ +#ifdef __GLIBC__ +# ifdef __GLIBC_MINOR__ +# if __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1 +# include + printf("%s\n", gnu_get_libc_version()); +# else + printf("%d.%d\n", __GLIBC__, __GLIBC_MINOR__); +# endif +# else + printf("%d\n", __GLIBC__); +# endif + return 0; +#else + return 1; +#endif +} +EOCP +set try +if eval $compile_ok && $run ./try > glibc.ver; then + val="$define" + gnulibc_version=`$cat glibc.ver` + echo "You are using the GNU C Library version $gnulibc_version" +else + val="$undef" + gnulibc_version='' + echo "You are not using the GNU C Library" +fi +$rm -f try try.* glibc.ver +set d_gnulibc +eval $setvar + +: see if nm is to be used to determine whether a symbol is defined or not +case "$usenm" in +'') + dflt='' + case "$d_gnulibc" in + "$define") + echo " " + echo "nm probably won't work on the GNU C Library." >&4 + dflt=n + ;; + esac + case "$dflt" in + '') + if $test "$osname" = aix -a "X$PASE" != "Xdefine" -a ! -f /lib/syscalls.exp; then + echo " " + echo "Whoops! This is an AIX system without /lib/syscalls.exp!" >&4 + echo "'nm' won't be sufficient on this sytem." >&4 + dflt=n + fi + ;; + esac + case "$dflt" in + '') dflt=`$egrep 'inlibc|csym' $rsrc/Configure | wc -l 2>/dev/null` + if $test $dflt -gt 20; then + dflt=y + else + dflt=n + fi + ;; + esac + ;; +*) + case "$usenm" in + true|$define) dflt=y;; + *) dflt=n;; + esac + ;; +esac +$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 $libpth` + esac + ;; +esac +case "$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 $thislib" ;; + esac + done + ;; esac -case "$inc_version_list" in -''|' ') - inc_version_list_init='0';; -*) inc_version_list_init=`echo $inc_version_list | - $sed -e 's/^/"/' -e 's/ /","/g' -e 's/$/",0/'` +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 ' ' $trnl | egrep -v '\.[A-Za-z]*$' | $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 -$rm -f getverlist +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 -EOM - case "$installusrbinperl" in - "$undef"|[nN]*) dflt='n';; - *) dflt='y';; - esac +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'";\ + 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 +elif com="sed -n -e 's/^__.*//' -e 's/[ ]*D[ ]*[0-9]*.*//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 && $contains '^fprintf$' libc.tmp >/dev/null 2>&1; then + for thisname in $libnames $libc; do + $ar t $thisname >>libc.tmp + done + $sed -e "s/\\$_o\$//" < libc.tmp > libc.list + echo "Ok." >&4 + elif test "X$osname" = "Xos2" && $ar tv $libc > libc.tmp; then + # Repeat libc to extract forwarders to DLL entries too + for thisname in $libnames $libc; do + $ar tv $thisname >>libc.tmp + # Revision 50 of EMX has bug in $ar. + # it will not extract forwarders to DLL entries + # Use emximp which will extract exactly them. + emximp -o tmp.imp $thisname \ + 2>/dev/null && \ + $sed -e 's/^\([_a-zA-Z0-9]*\) .*$/\1/p' \ + < tmp.imp >>libc.tmp + $rm tmp.imp + done + $sed -e "s/\\$_o\$//" -e 's/^ \+//' < 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 $thisname >>libc.tmp + done + echo "Ok." >&4 + else + echo "That didn't work either. Giving up." >&4 + exit 1 + fi + fi fi - rp="Do you want to install perl as /usr/bin/perl?" - . ./myread - case "$ans" in - [yY]*) val="$define";; - *) val="$undef" ;; - esac -else - val="$undef" fi -set installusrbinperl -eval $setvar +nm_extract="$com" +case "$PASE" in +define) + echo " " + echo "Since you are compiling for PASE, extracting more symbols from libc.a ...">&4 + dump -Tv /lib/libc.a | awk '$7 == "/unix" {print $5 " " $8}' | grep "^SV" | awk '{print $2}' >> libc.list + ;; +*) 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[0-9]*[ ]*$/\1/p' /lib/syscalls.exp >>libc.list + fi + ;; +esac +;; +esac +$rm -f libnames libpath : 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) + tval=false; + if $test "$runnm" = "true" && $contains $tlook $tf >/dev/null 2>&1; then + tval=true; + else + echo "int main() { extern short $1$tdc; printf(\"%hd\", $1$tc); }" > t.c; + if $cc -o t $optimize $ccflags $ldflags t.c $libs >/dev/null 2>&1; then + tval=true; + fi; + $rm -f t t.c; + fi; + ;; +*) + case "$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 @@ -7721,10 +7517,13 @@ while other systems (such as those using ELF) use $cc. EOM case "$ld" in - '') $cat >try.c <<'EOM' + '') $cat >try.c < +#$i_stdlib I_STDLIB +#ifdef I_STDLIB #include +#endif int main() { char b[4]; int i = open("a.out",O_RDONLY); @@ -8859,6 +8658,36 @@ else installsitescript="$sitescriptexp" fi +case "$usefaststdio" in +$define|true|[yY]*|'') + xversion=`awk '/define[ ]+PERL_VERSION/ {print $3}' $rsrc/patchlevel.h` + case "$xversion" in + [68]) dflt='y' ;; + *) dflt='n' ;; + esac + ;; +*) dflt='n';; +esac +cat < +#include +int main() { + double d = 123.456; + printf("%.3f\n", d); +} +EOCP + set try + if eval $compile; then + yyy=`$run ./try` + case "$yyy" in + 123.456) + sPRIfldbl='"f"'; sPRIgldbl='"g"'; sPRIeldbl='"e"'; + sPRIFUldbl='"F"'; sPRIGUldbl='"G"'; sPRIEUldbl='"E"'; + echo "We will use %f." + ;; + esac + fi +fi + +if $test X"$sPRIfldbl" = X; then + $cat >try.c <<'EOCP' +#include +#include +int main() { + long double d = 123.456; + printf("%.3Lf\n", d); +} +EOCP + set try + if eval $compile; then + yyy=`$run ./try` + case "$yyy" in + 123.456) + sPRIfldbl='"Lf"'; sPRIgldbl='"Lg"'; sPRIeldbl='"Le"'; + sPRIFUldbl='"LF"'; sPRIGUldbl='"LG"'; sPRIEUldbl='"LE"'; + echo "We will use %Lf." + ;; + esac + fi +fi + +if $test X"$sPRIfldbl" = X; then + $cat >try.c <<'EOCP' +#include +#include +int main() { + long double d = 123.456; + printf("%.3llf\n", d); +} +EOCP + set try + if eval $compile; then + yyy=`$run ./try` + case "$yyy" in + 123.456) + sPRIfldbl='"llf"'; sPRIgldbl='"llg"'; sPRIeldbl='"lle"'; + sPRIFUldbl='"llF"'; sPRIGUldbl='"llG"'; sPRIEUldbl='"llE"'; + echo "We will use %llf." + ;; + esac + fi +fi + +if $test X"$sPRIfldbl" = X; then + $cat >try.c <<'EOCP' +#include +#include +int main() { + long double d = 123.456; + printf("%.3lf\n", d); +} +EOCP + set try + if eval $compile; then + yyy=`$run ./try` + case "$yyy" in + 123.456) + sPRIfldbl='"lf"'; sPRIgldbl='"lg"'; sPRIeldbl='"le"'; + sPRIFUldbl='"lF"'; sPRIGUldbl='"lG"'; sPRIEUldbl='"lE"'; + echo "We will use %lf." + ;; + esac + fi +fi + +if $test X"$sPRIfldbl" = X; then + echo "Cannot figure out how to print long doubles." >&4 +else + sSCNfldbl=$sPRIfldbl # expect consistency +fi + +$rm -f try try.* + +fi # d_longdbl + +case "$sPRIfldbl" in +'') d_PRIfldbl="$undef"; d_PRIgldbl="$undef"; d_PRIeldbl="$undef"; + d_PRIFUldbl="$undef"; d_PRIGUldbl="$undef"; d_PRIEUldbl="$undef"; + d_SCNfldbl="$undef"; + ;; +*) d_PRIfldbl="$define"; d_PRIgldbl="$define"; d_PRIeldbl="$define"; + d_PRIFUldbl="$define"; d_PRIGUldbl="$define"; d_PRIEUldbl="$define"; + d_SCNfldbl="$define"; + ;; +esac : Check how to convert floats to strings. @@ -9529,7 +9475,7 @@ eval $inlibc case "$d_access" in "$define") echo " " - $cat >access.c <<'EOCP' + $cat >access.c < #ifdef I_FCNTL #include @@ -9540,6 +9486,10 @@ case "$d_access" in #ifdef I_UNISTD #include #endif +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif int main() { exit(R_OK); } @@ -9567,6 +9517,10 @@ $rm -f access* set accessx d_accessx eval $inlibc +: see if aintl exists +set aintl d_aintl +eval $inlibc + : see if alarm exists set alarm d_alarm eval $inlibc @@ -9627,6 +9581,25 @@ EOSH chmod +x protochk $eunicefix protochk +hasproto='varname=$1; func=$2; shift; shift; +while $test $# -ge 2; do + case "$1" in + $define) echo "#include <$2>";; + esac ; + shift 2; +done > try.c; +$cppstdin $cppflags $cppminus < try.c > tryout.c 2>/dev/null; +if $contains "$func.*(" tryout.c >/dev/null 2>&1; then + echo "$func() prototype found."; + val="$define"; +else + echo "$func() prototype NOT found."; + val="$undef"; +fi; +set $varname; +eval $setvar; +$rm -f try.c tryout.c' + : see if sys/types.h has to be included set sys/types.h i_systypes eval $inhdr @@ -9658,7 +9631,7 @@ echo " " if test "X$timeincl" = X; then echo "Testing to see if we should include , or both." >&4 $echo $n "I'm now running the test program...$c" - $cat >try.c <<'EOCP' + $cat >try.c < #ifdef I_TIME #include @@ -9672,6 +9645,10 @@ if test "X$timeincl" = X; then #ifdef I_SYSSELECT #include #endif +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif int main() { struct tm foo; @@ -9837,7 +9814,7 @@ echo " " echo "Checking whether your compiler can handle __attribute__ ..." >&4 $cat >attrib.c <<'EOCP' #include -void croak (char* pat,...) __attribute__((format(printf,1,2),noreturn)); +void croak (char* pat,...) __attribute__((__format__(__printf__,1,2),noreturn)); EOCP if $cc $ccflags -c attrib.c >attrib.out 2>&1 ; then if $contains 'warning' attrib.out >/dev/null 2>&1; then @@ -9881,6 +9858,10 @@ case "$d_getpgrp" in #ifdef I_UNISTD # include #endif +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif int main() { if (getuid() == 0) { @@ -9943,6 +9924,10 @@ case "$d_setpgrp" in #ifdef I_UNISTD # include #endif +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif int main() { if (getuid() == 0) { @@ -10206,8 +10191,12 @@ echo " " if set vprintf val -f d_vprintf; eval $csym; $val; then echo 'vprintf() found.' >&4 val="$define" - $cat >try.c <<'EOF' + $cat >try.c < +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif int main() { xxx("foo"); } @@ -10394,6 +10383,10 @@ fi set d_const eval $setvar +: see if copysignl exists +set copysignl d_copysignl +eval $inlibc + : see if crypt exists echo " " set crypt d_crypt @@ -10746,6 +10739,10 @@ eval $inhdr echo " " $cat >dirfd.c < +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif #$i_dirent I_DIRENT /**/ #$i_sysdir I_SYS_DIR /**/ #$i_sysndir I_SYS_NDIR /**/ @@ -10838,6 +10835,10 @@ EOM $cat >fred.c< +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif #$i_dlfcn I_DLFCN #ifdef I_DLFCN #include /* the dynamic linker include file for SunOS/Solaris */ @@ -11183,524 +11184,819 @@ case "$d_endprotoent_r" in ;; esac ;; -*) endprotoent_r_proto=0 +*) endprotoent_r_proto=0 + ;; +esac + +: see if endpwent exists +set endpwent d_endpwent +eval $inlibc + +: see if this is a pwd.h system +set pwd.h i_pwd +eval $inhdr + +case "$i_pwd" in +$define) + xxx=`./findhdr pwd.h` + $cppstdin $cppflags $cppminus < $xxx >$$.h + + if $contains 'pw_quota' $$.h >/dev/null 2>&1; then + val="$define" + else + val="$undef" + fi + set d_pwquota + eval $setvar + + if $contains 'pw_age' $$.h >/dev/null 2>&1; then + val="$define" + else + val="$undef" + fi + set d_pwage + eval $setvar + + if $contains 'pw_change' $$.h >/dev/null 2>&1; then + val="$define" + else + val="$undef" + fi + set d_pwchange + eval $setvar + + if $contains 'pw_class' $$.h >/dev/null 2>&1; then + val="$define" + else + val="$undef" + fi + set d_pwclass + eval $setvar + + if $contains 'pw_expire' $$.h >/dev/null 2>&1; then + val="$define" + else + val="$undef" + fi + set d_pwexpire + eval $setvar + + if $contains 'pw_comment' $$.h >/dev/null 2>&1; then + val="$define" + else + val="$undef" + fi + set d_pwcomment + eval $setvar + + if $contains 'pw_gecos' $$.h >/dev/null 2>&1; then + val="$define" + else + val="$undef" + fi + set d_pwgecos + eval $setvar + + if $contains 'pw_passwd' $$.h >/dev/null 2>&1; then + val="$define" + else + val="$undef" + fi + set d_pwpasswd + eval $setvar + + $rm -f $$.h + ;; +*) + val="$undef"; + set d_pwquota; eval $setvar + set d_pwage; eval $setvar + set d_pwchange; eval $setvar + set d_pwclass; eval $setvar + set d_pwexpire; eval $setvar + set d_pwcomment; eval $setvar + set d_pwgecos; eval $setvar + set d_pwpasswd; eval $setvar + ;; +esac + +: see if endpwent_r exists +set endpwent_r d_endpwent_r +eval $inlibc +case "$d_endpwent_r" in +"$define") + hdrs="$i_systypes sys/types.h define stdio.h $i_pwd pwd.h" + case "$d_endpwent_r_proto:$usethreads" in + ":define") d_endpwent_r_proto=define + set d_endpwent_r_proto endpwent_r $hdrs + eval $hasproto ;; + *) ;; + esac + case "$d_endpwent_r_proto" in + define) + case "$endpwent_r_proto" in + ''|0) try='int endpwent_r(FILE**);' + ./protochk "extern $try" $hdrs && endpwent_r_proto=I_H ;; + esac + case "$endpwent_r_proto" in + ''|0) try='void endpwent_r(FILE**);' + ./protochk "extern $try" $hdrs && endpwent_r_proto=V_H ;; + esac + case "$endpwent_r_proto" in + ''|0) d_endpwent_r=undef + endpwent_r_proto=0 + echo "Disabling endpwent_r, cannot determine prototype." >&4 ;; + * ) case "$endpwent_r_proto" in + REENTRANT_PROTO*) ;; + *) endpwent_r_proto="REENTRANT_PROTO_$endpwent_r_proto" ;; + esac + echo "Prototype: $try" ;; + esac + ;; + *) case "$usethreads" in + define) echo "endpwent_r has no prototype, not using it." >&4 ;; + esac + d_endpwent_r=undef + endpwent_r_proto=0 + ;; + esac + ;; +*) endpwent_r_proto=0 + ;; +esac + +: see if endservent exists +set endservent d_endsent +eval $inlibc + +: see if endservent_r exists +set endservent_r d_endservent_r +eval $inlibc +case "$d_endservent_r" in +"$define") + hdrs="$i_systypes sys/types.h define stdio.h $i_netdb netdb.h" + case "$d_endservent_r_proto:$usethreads" in + ":define") d_endservent_r_proto=define + set d_endservent_r_proto endservent_r $hdrs + eval $hasproto ;; + *) ;; + esac + case "$d_endservent_r_proto" in + define) + case "$endservent_r_proto" in + ''|0) try='int endservent_r(struct servent_data*);' + ./protochk "extern $try" $hdrs && endservent_r_proto=I_D ;; + esac + case "$endservent_r_proto" in + ''|0) try='void endservent_r(struct servent_data*);' + ./protochk "extern $try" $hdrs && endservent_r_proto=V_D ;; + esac + case "$endservent_r_proto" in + ''|0) d_endservent_r=undef + endservent_r_proto=0 + echo "Disabling endservent_r, cannot determine prototype." >&4 ;; + * ) case "$endservent_r_proto" in + REENTRANT_PROTO*) ;; + *) endservent_r_proto="REENTRANT_PROTO_$endservent_r_proto" ;; + esac + echo "Prototype: $try" ;; + esac + ;; + *) case "$usethreads" in + define) echo "endservent_r has no prototype, not using it." >&4 ;; + esac + d_endservent_r=undef + endservent_r_proto=0 + ;; + esac + ;; +*) endservent_r_proto=0 ;; esac -: see if endpwent exists -set endpwent d_endpwent -eval $inlibc - -: see if this is a pwd.h system -set pwd.h i_pwd -eval $inhdr - -case "$i_pwd" in -$define) - xxx=`./findhdr pwd.h` - $cppstdin $cppflags $cppminus < $xxx >$$.h - - if $contains 'pw_quota' $$.h >/dev/null 2>&1; then +: Locate the flags for 'open()' +echo " " +$cat >try.c < +#ifdef I_FCNTL +#include +#endif +#ifdef I_SYS_FILE +#include +#endif +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif +int main() { + if(O_RDONLY); +#ifdef O_TRUNC + exit(0); +#else + exit(1); +#endif +} +EOCP +: check sys/file.h first to get FREAD on Sun +if $test `./findhdr sys/file.h` && \ + set try -DI_SYS_FILE && eval $compile; then + h_sysfile=true; + echo " defines the O_* constants..." >&4 + if $run ./try; then + echo "and you have the 3 argument form of open()." >&4 val="$define" else + echo "but not the 3 argument form of open(). Oh, well." >&4 val="$undef" fi - set d_pwquota - eval $setvar - - if $contains 'pw_age' $$.h >/dev/null 2>&1; then +elif $test `./findhdr fcntl.h` && \ + set try -DI_FCNTL && eval $compile; then + h_fcntl=true; + echo " defines the O_* constants..." >&4 + if $run ./try; then + echo "and you have the 3 argument form of open()." >&4 val="$define" else + echo "but not the 3 argument form of open(). Oh, well." >&4 val="$undef" fi - set d_pwage - eval $setvar +else + val="$undef" + echo "I can't find the O_* constant definitions! You got problems." >&4 +fi +set d_open3 +eval $setvar +$rm -f try try.* - if $contains 'pw_change' $$.h >/dev/null 2>&1; then - val="$define" +: see which of string.h or strings.h is needed +echo " " +strings=`./findhdr string.h` +if $test "$strings" && $test -r "$strings"; then + echo "Using instead of ." >&4 + val="$define" +else + val="$undef" + strings=`./findhdr strings.h` + if $test "$strings" && $test -r "$strings"; then + echo "Using instead of ." >&4 else - val="$undef" + echo "No string header found -- You'll surely have problems." >&4 fi - set d_pwchange - eval $setvar +fi +set i_string +eval $setvar +case "$i_string" in +"$undef") strings=`./findhdr strings.h`;; +*) strings=`./findhdr string.h`;; +esac - if $contains 'pw_class' $$.h >/dev/null 2>&1; then - val="$define" - else - val="$undef" - fi - set d_pwclass - eval $setvar +: see if this is a sys/file.h system +val='' +set sys/file.h val +eval $inhdr - if $contains 'pw_expire' $$.h >/dev/null 2>&1; then +: do we need to include sys/file.h ? +case "$val" in +"$define") + echo " " + if $h_sysfile; then val="$define" + echo "We'll be including ." >&4 else val="$undef" + echo "We won't be including ." >&4 fi - set d_pwexpire - eval $setvar + ;; +*) + h_sysfile=false + ;; +esac +set i_sysfile +eval $setvar - if $contains 'pw_comment' $$.h >/dev/null 2>&1; then +: see if fcntl.h is there +val='' +set fcntl.h val +eval $inhdr + +: see if we can include fcntl.h +case "$val" in +"$define") + echo " " + if $h_fcntl; then val="$define" + echo "We'll be including ." >&4 else val="$undef" + if $h_sysfile; then + echo "We don't need to include if we include ." >&4 + else + echo "We won't be including ." >&4 + fi fi - set d_pwcomment - eval $setvar + ;; +*) + h_fcntl=false + val="$undef" + ;; +esac +set i_fcntl +eval $setvar - if $contains 'pw_gecos' $$.h >/dev/null 2>&1; then - val="$define" +: check for non-blocking I/O stuff +case "$h_sysfile" in +true) echo "#include " > head.c;; +*) + case "$h_fcntl" in + true) echo "#include " > head.c;; + *) echo "#include " > head.c;; + esac + ;; +esac +echo " " +echo "Figuring out the flag used by open() for non-blocking I/O..." >&4 +case "$o_nonblock" in +'') + $cat head.c > try.c + $cat >>try.c < +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif +#$i_fcntl I_FCNTL +#ifdef I_FCNTL +#include +#endif +int main() { +#ifdef O_NONBLOCK + printf("O_NONBLOCK\n"); + exit(0); +#endif +#ifdef O_NDELAY + printf("O_NDELAY\n"); + exit(0); +#endif +#ifdef FNDELAY + printf("FNDELAY\n"); + exit(0); +#endif + exit(0); +} +EOCP + set try + if eval $compile_ok; then + o_nonblock=`$run ./try` + case "$o_nonblock" in + '') echo "I can't figure it out, assuming O_NONBLOCK will do.";; + *) echo "Seems like we can use $o_nonblock.";; + esac else - val="$undef" + echo "(I can't compile the test program; pray O_NONBLOCK is right!)" fi - set d_pwgecos - eval $setvar + ;; +*) echo "Using $hint value $o_nonblock.";; +esac +$rm -f try try.* .out core + +echo " " +echo "Let's see what value errno gets from read() on a $o_nonblock file..." >&4 +case "$eagain" in +'') + $cat head.c > try.c + $cat >>try.c < +#include +#include +#include +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif +#$i_fcntl I_FCNTL +#ifdef I_FCNTL +#include +#endif +#define MY_O_NONBLOCK $o_nonblock +#ifndef errno /* XXX need better Configure test */ +extern int errno; +#endif +#$i_unistd I_UNISTD +#ifdef I_UNISTD +#include +#endif +#$i_string I_STRING +#ifdef I_STRING +#include +#else +#include +#endif +$signal_t blech(x) int x; { exit(3); } +EOCP + $cat >> try.c <<'EOCP' +int main() +{ + int pd[2]; + int pu[2]; + char buf[1]; + char string[100]; + + pipe(pd); /* Down: child -> parent */ + pipe(pu); /* Up: parent -> child */ + if (0 != fork()) { + int ret; + close(pd[1]); /* Parent reads from pd[0] */ + close(pu[0]); /* Parent writes (blocking) to pu[1] */ +#ifdef F_SETFL + if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK)) + exit(1); +#else + exit(4); +#endif + signal(SIGALRM, blech); + alarm(5); + if ((ret = read(pd[0], buf, 1)) > 0) /* Nothing to read! */ + exit(2); + sprintf(string, "%d\n", ret); + write(2, string, strlen(string)); + alarm(0); +#ifdef EAGAIN + if (errno == EAGAIN) { + printf("EAGAIN\n"); + goto ok; + } +#endif +#ifdef EWOULDBLOCK + if (errno == EWOULDBLOCK) + printf("EWOULDBLOCK\n"); +#endif + ok: + write(pu[1], buf, 1); /* Unblocks child, tell it to close our pipe */ + sleep(2); /* Give it time to close our pipe */ + alarm(5); + ret = read(pd[0], buf, 1); /* Should read EOF */ + alarm(0); + sprintf(string, "%d\n", ret); + write(4, string, strlen(string)); + exit(0); + } - if $contains 'pw_passwd' $$.h >/dev/null 2>&1; then + close(pd[0]); /* We write to pd[1] */ + close(pu[1]); /* We read from pu[0] */ + read(pu[0], buf, 1); /* Wait for parent to signal us we may continue */ + close(pd[1]); /* Pipe pd is now fully closed! */ + exit(0); /* Bye bye, thank you for playing! */ +} +EOCP + set try + if eval $compile_ok; then + echo "$startsh" >mtry + echo "$run ./try >try.out 2>try.ret 4>try.err || exit 4" >>mtry + chmod +x mtry + ./mtry >/dev/null 2>&1 + case $? in + 0) eagain=`$cat try.out`;; + 1) echo "Could not perform non-blocking setting!";; + 2) echo "I did a successful read() for something that was not there!";; + 3) echo "Hmm... non-blocking I/O does not seem to be working!";; + 4) echo "Could not find F_SETFL!";; + *) echo "Something terribly wrong happened during testing.";; + esac + rd_nodata=`$cat try.ret` + echo "A read() system call with no data present returns $rd_nodata." + case "$rd_nodata" in + 0|-1) ;; + *) + echo "(That's peculiar, fixing that to be -1.)" + rd_nodata=-1 + ;; + esac + case "$eagain" in + '') + echo "Forcing errno EAGAIN on read() with no data available." + eagain=EAGAIN + ;; + *) + echo "Your read() sets errno to $eagain when no data is available." + ;; + esac + status=`$cat try.err` + case "$status" in + 0) echo "And it correctly returns 0 to signal EOF.";; + -1) echo "But it also returns -1 to signal EOF, so be careful!";; + *) echo "However, your read() returns '$status' on EOF??";; + esac val="$define" + if test "$status" = "$rd_nodata"; then + echo "WARNING: you can't distinguish between EOF and no data!" + val="$undef" + fi else - val="$undef" + echo "I can't compile the test program--assuming errno EAGAIN will do." + eagain=EAGAIN fi - set d_pwpasswd + set d_eofnblk eval $setvar - - $rm -f $$.h ;; *) - val="$undef"; - set d_pwquota; eval $setvar - set d_pwage; eval $setvar - set d_pwchange; eval $setvar - set d_pwclass; eval $setvar - set d_pwexpire; eval $setvar - set d_pwcomment; eval $setvar - set d_pwgecos; eval $setvar - set d_pwpasswd; eval $setvar + echo "Using $hint value $eagain." + echo "Your read() returns $rd_nodata when no data is present." + case "$d_eofnblk" in + "$define") echo "And you can see EOF because read() returns 0.";; + "$undef") echo "But you can't see EOF status from read() returned value.";; + *) + echo "(Assuming you can't see EOF status from read anyway.)" + d_eofnblk=$undef + ;; + esac ;; esac +$rm -f try try.* .out core head.c mtry -: see if endpwent_r exists -set endpwent_r d_endpwent_r -eval $inlibc -case "$d_endpwent_r" in -"$define") - hdrs="$i_systypes sys/types.h define stdio.h $i_pwd pwd.h" - case "$d_endpwent_r_proto:$usethreads" in - ":define") d_endpwent_r_proto=define - set d_endpwent_r_proto endpwent_r $hdrs - eval $hasproto ;; - *) ;; +: see if _ptr and _cnt from stdio act std +echo " " + +if $contains '_lbfsize' `./findhdr stdio.h` >/dev/null 2>&1 ; then + echo "(Looks like you have stdio.h from BSD.)" + case "$stdio_ptr" in + '') stdio_ptr='((fp)->_p)' + ptr_lval=$define + ;; + *) ptr_lval=$d_stdio_ptr_lval;; esac - case "$d_endpwent_r_proto" in - define) - case "$endpwent_r_proto" in - ''|0) try='int endpwent_r(FILE**);' - ./protochk "extern $try" $hdrs && endpwent_r_proto=I_H ;; + case "$stdio_cnt" in + '') stdio_cnt='((fp)->_r)' + cnt_lval=$define + ;; + *) cnt_lval=$d_stdio_cnt_lval;; esac - case "$endpwent_r_proto" in - ''|0) try='void endpwent_r(FILE**);' - ./protochk "extern $try" $hdrs && endpwent_r_proto=V_H ;; + case "$stdio_base" in + '') stdio_base='((fp)->_ub._base ? (fp)->_ub._base : (fp)->_bf._base)';; esac - case "$endpwent_r_proto" in - ''|0) d_endpwent_r=undef - endpwent_r_proto=0 - echo "Disabling endpwent_r, cannot determine prototype." >&4 ;; - * ) case "$endpwent_r_proto" in - REENTRANT_PROTO*) ;; - *) endpwent_r_proto="REENTRANT_PROTO_$endpwent_r_proto" ;; - esac - echo "Prototype: $try" ;; + case "$stdio_bufsiz" in + '') stdio_bufsiz='((fp)->_ub._base ? (fp)->_ub._size : (fp)->_bf._size)';; esac - ;; - *) case "$usethreads" in - define) echo "endpwent_r has no prototype, not using it." >&4 ;; - esac - d_endpwent_r=undef - endpwent_r_proto=0 +elif $contains '_IO_fpos_t' `./findhdr stdio.h` `./findhdr libio.h` >/dev/null 2>&1 ; then + echo "(Looks like you have stdio.h from Linux.)" + case "$stdio_ptr" in + '') stdio_ptr='((fp)->_IO_read_ptr)' + ptr_lval=$define ;; + *) ptr_lval=$d_stdio_ptr_lval;; esac - ;; -*) endpwent_r_proto=0 - ;; -esac - -: see if endservent exists -set endservent d_endsent -eval $inlibc - -: see if endservent_r exists -set endservent_r d_endservent_r -eval $inlibc -case "$d_endservent_r" in -"$define") - hdrs="$i_systypes sys/types.h define stdio.h $i_netdb netdb.h" - case "$d_endservent_r_proto:$usethreads" in - ":define") d_endservent_r_proto=define - set d_endservent_r_proto endservent_r $hdrs - eval $hasproto ;; - *) ;; + case "$stdio_cnt" in + '') stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)' + cnt_lval=$undef + ;; + *) cnt_lval=$d_stdio_cnt_lval;; esac - case "$d_endservent_r_proto" in - define) - case "$endservent_r_proto" in - ''|0) try='int endservent_r(struct servent_data*);' - ./protochk "extern $try" $hdrs && endservent_r_proto=I_D ;; + case "$stdio_base" in + '') stdio_base='((fp)->_IO_read_base)';; esac - case "$endservent_r_proto" in - ''|0) try='void endservent_r(struct servent_data*);' - ./protochk "extern $try" $hdrs && endservent_r_proto=V_D ;; + case "$stdio_bufsiz" in + '') stdio_bufsiz='((fp)->_IO_read_end - (fp)->_IO_read_base)';; esac - case "$endservent_r_proto" in - ''|0) d_endservent_r=undef - endservent_r_proto=0 - echo "Disabling endservent_r, cannot determine prototype." >&4 ;; - * ) case "$endservent_r_proto" in - REENTRANT_PROTO*) ;; - *) endservent_r_proto="REENTRANT_PROTO_$endservent_r_proto" ;; - esac - echo "Prototype: $try" ;; +else + case "$stdio_ptr" in + '') stdio_ptr='((fp)->_ptr)' + ptr_lval=$define + ;; + *) ptr_lval=$d_stdio_ptr_lval;; esac - ;; - *) case "$usethreads" in - define) echo "endservent_r has no prototype, not using it." >&4 ;; - esac - d_endservent_r=undef - endservent_r_proto=0 + case "$stdio_cnt" in + '') stdio_cnt='((fp)->_cnt)' + cnt_lval=$define ;; + *) cnt_lval=$d_stdio_cnt_lval;; esac - ;; -*) endservent_r_proto=0 - ;; -esac + case "$stdio_base" in + '') stdio_base='((fp)->_base)';; + esac + case "$stdio_bufsiz" in + '') stdio_bufsiz='((fp)->_cnt + (fp)->_ptr - (fp)->_base)';; + esac +fi -: Locate the flags for 'open()' -echo " " -$cat >try.c <<'EOCP' -#include -#ifdef I_FCNTL -#include -#endif -#ifdef I_SYS_FILE -#include +: test whether _ptr and _cnt really work +echo "Checking how std your stdio is..." >&4 +$cat >try.c < +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include #endif +#define FILE_ptr(fp) $stdio_ptr +#define FILE_cnt(fp) $stdio_cnt int main() { - if(O_RDONLY); -#ifdef O_TRUNC - exit(0); -#else + FILE *fp = fopen("try.c", "r"); + char c = getc(fp); + if ( + 18 <= FILE_cnt(fp) && + strncmp(FILE_ptr(fp), "include \n", 18) == 0 + ) + exit(0); exit(1); -#endif } -EOCP -: check sys/file.h first to get FREAD on Sun -if $test `./findhdr sys/file.h` && \ - set try -DI_SYS_FILE && eval $compile; then - h_sysfile=true; - echo " defines the O_* constants..." >&4 - if $run ./try; then - echo "and you have the 3 argument form of open()." >&4 - val="$define" - else - echo "but not the 3 argument form of open(). Oh, well." >&4 - val="$undef" - fi -elif $test `./findhdr fcntl.h` && \ - set try -DI_FCNTL && eval $compile; then - h_fcntl=true; - echo " defines the O_* constants..." >&4 +EOP +val="$undef" +set try +if eval $compile && $to try.c; then if $run ./try; then - echo "and you have the 3 argument form of open()." >&4 + echo "Your stdio acts pretty std." val="$define" else - echo "but not the 3 argument form of open(). Oh, well." >&4 - val="$undef" + echo "Your stdio isn't very std." fi else - val="$undef" - echo "I can't find the O_* constant definitions! You got problems." >&4 -fi -set d_open3 -eval $setvar -$rm -f try try.* - -: see which of string.h or strings.h is needed -echo " " -strings=`./findhdr string.h` -if $test "$strings" && $test -r "$strings"; then - echo "Using instead of ." >&4 - val="$define" -else - val="$undef" - strings=`./findhdr strings.h` - if $test "$strings" && $test -r "$strings"; then - echo "Using instead of ." >&4 - else - echo "No string header found -- You'll surely have problems." >&4 - fi + echo "Your stdio doesn't appear very std." fi -set i_string -eval $setvar -case "$i_string" in -"$undef") strings=`./findhdr strings.h`;; -*) strings=`./findhdr string.h`;; -esac - -: see if this is a sys/file.h system -val='' -set sys/file.h val -eval $inhdr +$rm -f try.c try -: do we need to include sys/file.h ? -case "$val" in -"$define") - echo " " - if $h_sysfile; then - val="$define" - echo "We'll be including ." >&4 - else +# glibc 2.2.90 and above apparently change stdio streams so Perl's +# direct buffer manipulation no longer works. The Configure tests +# should be changed to correctly detect this, but until then, +# the following check should at least let perl compile and run. +# (This quick fix should be updated before 5.8.1.) +# To be defensive, reject all unknown versions, and all versions > 2.2.9. +# A. Dougherty, June 3, 2002. +case "$d_gnulibc" in +$define) + case "$gnulibc_version" in + 2.[01]*) ;; + 2.2) ;; + 2.2.[0-9]) ;; + *) echo "But I will not snoop inside glibc $gnulibc_version stdio buffers." val="$undef" - echo "We won't be including ." >&4 - fi - ;; -*) - h_sysfile=false + ;; + esac ;; esac -set i_sysfile +set d_stdstdio eval $setvar -: see if fcntl.h is there -val='' -set fcntl.h val -eval $inhdr - -: see if we can include fcntl.h -case "$val" in -"$define") - echo " " - if $h_fcntl; then - val="$define" - echo "We'll be including ." >&4 - else - val="$undef" - if $h_sysfile; then - echo "We don't need to include if we include ." >&4 - else - echo "We won't be including ." >&4 - fi - fi - ;; -*) - h_fcntl=false - val="$undef" - ;; +: Can _ptr be used as an lvalue? +case "$d_stdstdio$ptr_lval" in +$define$define) val=$define ;; +*) val=$undef ;; esac -set i_fcntl +set d_stdio_ptr_lval eval $setvar -: check for non-blocking I/O stuff -case "$h_sysfile" in -true) echo "#include " > head.c;; -*) - case "$h_fcntl" in - true) echo "#include " > head.c;; - *) echo "#include " > head.c;; - esac - ;; +: Can _cnt be used as an lvalue? +case "$d_stdstdio$cnt_lval" in +$define$define) val=$define ;; +*) val=$undef ;; esac -echo " " -echo "Figuring out the flag used by open() for non-blocking I/O..." >&4 -case "$o_nonblock" in -'') - $cat head.c > try.c - $cat >>try.c <&4 +$cat >try.c < +/* Can we scream? */ +/* Eat dust sed :-) */ +/* In the buffer space, no one can hear you scream. */ +#$i_stdlib I_STDLIB +#ifdef I_STDLIB #include -#$i_fcntl I_FCNTL -#ifdef I_FCNTL -#include #endif +#define FILE_ptr(fp) $stdio_ptr +#define FILE_cnt(fp) $stdio_cnt +#include int main() { -#ifdef O_NONBLOCK - printf("O_NONBLOCK\n"); - exit(0); -#endif -#ifdef O_NDELAY - printf("O_NDELAY\n"); - exit(0); -#endif -#ifdef FNDELAY - printf("FNDELAY\n"); - exit(0); -#endif - exit(0); + FILE *fp = fopen("try.c", "r"); + int c; + char *ptr; + size_t cnt; + if (!fp) { + puts("Fail even to read"); + exit(1); + } + c = getc(fp); /* Read away the first # */ + if (c == EOF) { + puts("Fail even to read"); + exit(1); + } + if (!( + 18 <= FILE_cnt(fp) && + strncmp(FILE_ptr(fp), "include \n", 18) == 0 + )) { + puts("Fail even to read"); + exit (1); + } + ptr = (char*) FILE_ptr(fp); + cnt = (size_t)FILE_cnt(fp); + + FILE_ptr(fp) += 42; + + if ((char*)FILE_ptr(fp) != (ptr + 42)) { + printf("Fail ptr check %p != %p", FILE_ptr(fp), (ptr + 42)); + exit (1); + } + if (FILE_cnt(fp) <= 20) { + printf ("Fail (<20 chars to test)"); + exit (1); + } + if (strncmp(FILE_ptr(fp), "Eat dust sed :-) */\n", 20) != 0) { + puts("Fail compare"); + exit (1); + } + if (cnt == FILE_cnt(fp)) { + puts("Pass_unchanged"); + exit (0); + } + if (FILE_cnt(fp) == (cnt - 42)) { + puts("Pass_changed"); + exit (0); + } + printf("Fail count was %d now %d\n", cnt, FILE_cnt(fp)); + return 1; + } -EOCP +EOP set try - if eval $compile_ok; then - o_nonblock=`$run ./try` - case "$o_nonblock" in - '') echo "I can't figure it out, assuming O_NONBLOCK will do.";; - *) echo "Seems like we can use $o_nonblock.";; - esac + if eval $compile && $to try.c; then + case `$run ./try` in + Pass_changed) + echo "Increasing ptr in your stdio decreases cnt by the same amount. Good." >&4 + d_stdio_ptr_lval_sets_cnt="$define" ;; + Pass_unchanged) + echo "Increasing ptr in your stdio leaves cnt unchanged. Good." >&4 + d_stdio_ptr_lval_nochange_cnt="$define" ;; + Fail*) + echo "Increasing ptr in your stdio didn't do exactly what I expected. We'll not be doing that then." >&4 ;; + *) + echo "It appears attempting to set ptr in your stdio is a bad plan." >&4 ;; + esac else - echo "(I can't compile the test program; pray O_NONBLOCK is right!)" + echo "It seems we can't set ptr in your stdio. Nevermind." >&4 fi + $rm -f try.c try ;; -*) echo "Using $hint value $o_nonblock.";; esac -$rm -f try try.* .out core - -echo " " -echo "Let's see what value errno gets from read() on a $o_nonblock file..." >&4 -case "$eagain" in -'') - $cat head.c > try.c - $cat >>try.c < -#include -#include -#include -#include -#$i_fcntl I_FCNTL -#ifdef I_FCNTL -#include -#endif -#define MY_O_NONBLOCK $o_nonblock -#ifndef errno /* XXX need better Configure test */ -extern int errno; -#endif -#$i_unistd I_UNISTD -#ifdef I_UNISTD -#include -#endif -#$i_string I_STRING -#ifdef I_STRING -#include -#else -#include -#endif -$signal_t blech(x) int x; { exit(3); } -EOCP - $cat >> try.c <<'EOCP' -int main() -{ - int pd[2]; - int pu[2]; - char buf[1]; - char string[100]; - pipe(pd); /* Down: child -> parent */ - pipe(pu); /* Up: parent -> child */ - if (0 != fork()) { - int ret; - close(pd[1]); /* Parent reads from pd[0] */ - close(pu[0]); /* Parent writes (blocking) to pu[1] */ -#ifdef F_SETFL - if (-1 == fcntl(pd[0], F_SETFL, MY_O_NONBLOCK)) - exit(1); -#else - exit(4); -#endif - signal(SIGALRM, blech); - alarm(5); - if ((ret = read(pd[0], buf, 1)) > 0) /* Nothing to read! */ - exit(2); - sprintf(string, "%d\n", ret); - write(2, string, strlen(string)); - alarm(0); -#ifdef EAGAIN - if (errno == EAGAIN) { - printf("EAGAIN\n"); - goto ok; - } -#endif -#ifdef EWOULDBLOCK - if (errno == EWOULDBLOCK) - printf("EWOULDBLOCK\n"); +: see if _base is also standard +val="$undef" +case "$d_stdstdio" in +$define) + $cat >try.c < +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include #endif - ok: - write(pu[1], buf, 1); /* Unblocks child, tell it to close our pipe */ - sleep(2); /* Give it time to close our pipe */ - alarm(5); - ret = read(pd[0], buf, 1); /* Should read EOF */ - alarm(0); - sprintf(string, "%d\n", ret); - write(4, string, strlen(string)); +#define FILE_base(fp) $stdio_base +#define FILE_bufsiz(fp) $stdio_bufsiz +int main() { + FILE *fp = fopen("try.c", "r"); + char c = getc(fp); + if ( + 19 <= FILE_bufsiz(fp) && + strncmp(FILE_base(fp), "#include \n", 19) == 0 + ) exit(0); - } - - close(pd[0]); /* We write to pd[1] */ - close(pu[1]); /* We read from pu[0] */ - read(pu[0], buf, 1); /* Wait for parent to signal us we may continue */ - close(pd[1]); /* Pipe pd is now fully closed! */ - exit(0); /* Bye bye, thank you for playing! */ + exit(1); } -EOCP +EOP set try - if eval $compile_ok; then - echo "$startsh" >mtry - echo "$run ./try >try.out 2>try.ret 4>try.err || exit 4" >>mtry - chmod +x mtry - ./mtry >/dev/null 2>&1 - case $? in - 0) eagain=`$cat try.out`;; - 1) echo "Could not perform non-blocking setting!";; - 2) echo "I did a successful read() for something that was not there!";; - 3) echo "Hmm... non-blocking I/O does not seem to be working!";; - 4) echo "Could not find F_SETFL!";; - *) echo "Something terribly wrong happened during testing.";; - esac - rd_nodata=`$cat try.ret` - echo "A read() system call with no data present returns $rd_nodata." - case "$rd_nodata" in - 0|-1) ;; - *) - echo "(That's peculiar, fixing that to be -1.)" - rd_nodata=-1 - ;; - esac - case "$eagain" in - '') - echo "Forcing errno EAGAIN on read() with no data available." - eagain=EAGAIN - ;; - *) - echo "Your read() sets errno to $eagain when no data is available." - ;; - esac - status=`$cat try.err` - case "$status" in - 0) echo "And it correctly returns 0 to signal EOF.";; - -1) echo "But it also returns -1 to signal EOF, so be careful!";; - *) echo "However, your read() returns '$status' on EOF??";; - esac - val="$define" - if test "$status" = "$rd_nodata"; then - echo "WARNING: you can't distinguish between EOF and no data!" - val="$undef" + if eval $compile && $to try.c; then + if $run ./try; then + echo "And its _base field acts std." + val="$define" + else + echo "But its _base field isn't std." fi else - echo "I can't compile the test program--assuming errno EAGAIN will do." - eagain=EAGAIN + echo "However, it seems to be lacking the _base field." fi - set d_eofnblk - eval $setvar + $rm -f try.c try ;; -*) - echo "Using $hint value $eagain." - echo "Your read() returns $rd_nodata when no data is present." - case "$d_eofnblk" in - "$define") echo "And you can see EOF because read() returns 0.";; - "$undef") echo "But you can't see EOF status from read() returned value.";; - *) - echo "(Assuming you can't see EOF status from read anyway.)" - d_eofnblk=$undef +esac +set d_stdiobase +eval $setvar + +: see if fast_stdio exists +val="$undef" +case "$d_stdstdio:$d_stdio_ptr_lval" in +"$define:$define") + case "$d_stdio_cnt_lval$d_stdio_ptr_lval_sets_cnt" in + *$define*) + echo "You seem to have 'fast stdio' to directly manipulate the stdio buffers." >& 4 + val="$define" ;; esac ;; esac -$rm -f try try.* .out core head.c mtry +set d_faststdio +eval $setvar + + : see if fchdir exists set fchdir d_fchdir @@ -11721,7 +12017,10 @@ eval $inlibc echo " " : See if fcntl-based locking works. $cat >try.c < +#endif #include #include #include @@ -11788,6 +12087,10 @@ $cat <try.c < +#endif #$i_systime I_SYS_TIME #$i_sysselct I_SYS_SELECT #$d_socket HAS_SOCKET @@ -13437,6 +13740,10 @@ esac set d_htonl eval $setvar +: see if ilogbl exists +set ilogbl d_ilogbl +eval $inlibc + : index or strchr echo " " if set index val -f; eval $csym; $val; then @@ -13476,9 +13783,13 @@ eval $inlibc : Look for isascii echo " " -$cat >isascii.c <<'EOCP' +$cat >isascii.c < #include +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif int main() { int c = 'A'; if (isascii(c)) @@ -13723,13 +14034,128 @@ END if $cc $ccflags -c mmap.c >/dev/null 2>&1; then mmaptype='void *' else - mmaptype='caddr_t' + mmaptype='caddr_t' + fi + echo "and it returns ($mmaptype)." >&4 + ;; +esac + + + +: see if sqrtl exists +set sqrtl d_sqrtl +eval $inlibc + +: see if scalbnl exists +set scalbnl d_scalbnl +eval $inlibc + +: see if modfl exists +set modfl d_modfl +eval $inlibc + +: see if prototype for modfl is available +echo " " +set d_modflproto modfl math.h +eval $hasproto + +d_modfl_pow32_bug="$undef" + +case "$d_longdbl$d_modfl" in +$define$define) + $cat <try.c < +#include +EOCP +if $test "X$d_modflproto" != "X$define"; then + $cat >>try.c <>try.c <&4 "Your modfl() is broken for large values." + d_modfl_pow32_bug="$define" + case "$foo" in + glibc) echo >&4 "You should upgrade your glibc to at least 2.2.2 to get a fixed modfl()." + ;; + esac + ;; + *" 4294967303.150000 0.150000 4294967303.000000") + echo >&4 "Your modfl() seems okay for large values." + ;; + *) echo >&4 "I don't understand your modfl() at all." + d_modfl="$undef" + ;; + esac + $rm -f try.* try core core.try.* + else + echo "I cannot figure out whether your modfl() is okay, assuming it isn't." + d_modfl="$undef" fi - echo "and it returns ($mmaptype)." >&4 + case "$osname:$gccversion" in + aix:) ccflags="$saveccflags" ;; # restore + esac ;; esac +if $test "$uselongdouble" = "$define"; then + message="" + if $test "$d_sqrtl" != "$define"; then + message="$message sqrtl" + fi + if $test "$d_modfl" != "$define"; then + if $test "$d_aintl:$d_copysignl" = "$define:$define"; then + echo "You have both aintl and copysignl, so I can emulate modfl." + else + message="$message modfl" + fi + fi + if $test "$d_frexpl" != "$define"; then + if $test "$d_ilogbl:$d_scalbnl" = "$define:$define"; then + echo "You have both ilogbl and scalbnl, so I can emulate frexpl." + else + message="$message frexpl" + fi + fi + + if $test "$message" != ""; then + $cat <&4 + +*** You requested the use of long doubles but you do not seem to have +*** the following mathematical functions needed for long double support: +*** $message +*** Please rerun Configure without -Duselongdouble and/or -Dusemorebits. +*** Cannot continue, aborting. + +EOM + exit 1 + fi +fi : see if mprotect exists set mprotect d_mprotect @@ -14072,6 +14498,10 @@ if test X"$d_volatile" = X"$define"; then fi $cat <try.c #include +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif #include #include #ifdef SIGFPE @@ -14278,6 +14708,10 @@ esac set d_pthread_atfork eval $setvar +: see if pthread_attr_setscope exists +set pthread_attr_setscope d_pthread_attr_setscope +eval $inlibc + : see whether the various POSIXish _yields exist $cat >try.c <&4 ;; - * ) case "$srandom_r_proto" in - REENTRANT_PROTO*) ;; - *) srandom_r_proto="REENTRANT_PROTO_$srandom_r_proto" ;; - esac - echo "Prototype: $try" ;; - esac - ;; - *) case "$usethreads" in - define) echo "srandom_r has no prototype, not using it." >&4 ;; - esac - d_srandom_r=undef - srandom_r_proto=0 - ;; - esac - ;; -*) srandom_r_proto=0 - ;; -esac - -: see if prototype for setresgid is available -echo " " -set d_sresgproto setresgid $i_unistd unistd.h -eval $hasproto - -: see if prototype for setresuid is available -echo " " -set d_sresuproto setresuid $i_unistd unistd.h -eval $hasproto - -: see if sys/stat.h is available -set sys/stat.h i_sysstat -eval $inhdr - - -: see if stat knows about block sizes -echo " " -echo "Checking to see if your struct stat has st_blocks field..." >&4 -set d_statblks stat st_blocks $i_sysstat sys/stat.h -eval $hasfield - - -: see if this is a sys/vfs.h system -set sys/vfs.h i_sysvfs -eval $inhdr - - -: see if this is a sys/statfs.h system -set sys/statfs.h i_sysstatfs -eval $inhdr - - -echo " " -echo "Checking to see if your system supports struct statfs..." >&4 -set d_statfs_s statfs $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h -eval $hasstruct -case "$d_statfs_s" in -"$define") echo "Yes, it does." ;; -*) echo "No, it doesn't." ;; -esac - - - -: see if struct statfs knows about f_flags -case "$d_statfs_s" in -define) - echo " " - echo "Checking to see if your struct statfs has f_flags field..." >&4 - set d_statfs_f_flags statfs f_flags $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h - eval $hasfield - ;; -*) val="$undef" - set d_statfs_f_flags - eval $setvar - ;; -esac -case "$d_statfs_f_flags" in -"$define") echo "Yes, it does." ;; -*) echo "No, it doesn't." ;; -esac - -: see if _ptr and _cnt from stdio act std -echo " " - -if $contains '_lbfsize' `./findhdr stdio.h` >/dev/null 2>&1 ; then - echo "(Looks like you have stdio.h from BSD.)" - case "$stdio_ptr" in - '') stdio_ptr='((fp)->_p)' - ptr_lval=$define - ;; - *) ptr_lval=$d_stdio_ptr_lval;; - esac - case "$stdio_cnt" in - '') stdio_cnt='((fp)->_r)' - cnt_lval=$define - ;; - *) cnt_lval=$d_stdio_cnt_lval;; - esac - case "$stdio_base" in - '') stdio_base='((fp)->_ub._base ? (fp)->_ub._base : (fp)->_bf._base)';; - esac - case "$stdio_bufsiz" in - '') stdio_bufsiz='((fp)->_ub._base ? (fp)->_ub._size : (fp)->_bf._size)';; - esac -elif $contains '_IO_fpos_t' `./findhdr stdio.h` `./findhdr libio.h` >/dev/null 2>&1 ; then - echo "(Looks like you have stdio.h from Linux.)" - case "$stdio_ptr" in - '') stdio_ptr='((fp)->_IO_read_ptr)' - ptr_lval=$define - ;; - *) ptr_lval=$d_stdio_ptr_lval;; - esac - case "$stdio_cnt" in - '') stdio_cnt='((fp)->_IO_read_end - (fp)->_IO_read_ptr)' - cnt_lval=$undef - ;; - *) cnt_lval=$d_stdio_cnt_lval;; - esac - case "$stdio_base" in - '') stdio_base='((fp)->_IO_read_base)';; - esac - case "$stdio_bufsiz" in - '') stdio_bufsiz='((fp)->_IO_read_end - (fp)->_IO_read_base)';; - esac -else - case "$stdio_ptr" in - '') stdio_ptr='((fp)->_ptr)' - ptr_lval=$define - ;; - *) ptr_lval=$d_stdio_ptr_lval;; - esac - case "$stdio_cnt" in - '') stdio_cnt='((fp)->_cnt)' - cnt_lval=$define - ;; - *) cnt_lval=$d_stdio_cnt_lval;; - esac - case "$stdio_base" in - '') stdio_base='((fp)->_base)';; - esac - case "$stdio_bufsiz" in - '') stdio_bufsiz='((fp)->_cnt + (fp)->_ptr - (fp)->_base)';; - esac -fi - -: test whether _ptr and _cnt really work -echo "Checking how std your stdio is..." >&4 -$cat >try.c < -#define FILE_ptr(fp) $stdio_ptr -#define FILE_cnt(fp) $stdio_cnt -int main() { - FILE *fp = fopen("try.c", "r"); - char c = getc(fp); - if ( - 18 <= FILE_cnt(fp) && - strncmp(FILE_ptr(fp), "include \n", 18) == 0 - ) - exit(0); - exit(1); -} -EOP -val="$undef" -set try -if eval $compile && $to try.c; then - if $run ./try; then - echo "Your stdio acts pretty std." - val="$define" - else - echo "Your stdio isn't very std." - fi -else - echo "Your stdio doesn't appear very std." -fi -$rm -f try.c try - -# glibc 2.2.90 and above apparently change stdio streams so Perl's -# direct buffer manipulation no longer works. The Configure tests -# should be changed to correctly detect this, but until then, -# the following check should at least let perl compile and run. -# (This quick fix should be updated before 5.8.1.) -# To be defensive, reject all unknown versions, and all versions > 2.2.9. -# A. Dougherty, June 3, 2002. -case "$d_gnulibc" in -$define) - case "$gnulibc_version" in - 2.[01]*) ;; - 2.2) ;; - 2.2.[0-9]) ;; - *) echo "But I will not snoop inside glibc $gnulibc_version stdio buffers." - val="$undef" +set srandom_r d_srandom_r +eval $inlibc +case "$d_srandom_r" in +"$define") + hdrs="$i_systypes sys/types.h define stdio.h $i_stdlib stdlib.h" + case "$d_srandom_r_proto:$usethreads" in + ":define") d_srandom_r_proto=define + set d_srandom_r_proto srandom_r $hdrs + eval $hasproto ;; + *) ;; + esac + case "$d_srandom_r_proto" in + define) + case "$srandom_r_proto" in + ''|0) try='int srandom_r(unsigned int, struct random_data*);' + ./protochk "extern $try" $hdrs && srandom_r_proto=I_TS ;; + esac + case "$srandom_r_proto" in + ''|0) d_srandom_r=undef + srandom_r_proto=0 + echo "Disabling srandom_r, cannot determine prototype." >&4 ;; + * ) case "$srandom_r_proto" in + REENTRANT_PROTO*) ;; + *) srandom_r_proto="REENTRANT_PROTO_$srandom_r_proto" ;; + esac + echo "Prototype: $try" ;; + esac + ;; + *) case "$usethreads" in + define) echo "srandom_r has no prototype, not using it." >&4 ;; + esac + d_srandom_r=undef + srandom_r_proto=0 ;; esac ;; +*) srandom_r_proto=0 + ;; esac -set d_stdstdio -eval $setvar -: Can _ptr be used as an lvalue? -case "$d_stdstdio$ptr_lval" in -$define$define) val=$define ;; -*) val=$undef ;; -esac -set d_stdio_ptr_lval -eval $setvar +: see if prototype for setresgid is available +echo " " +set d_sresgproto setresgid $i_unistd unistd.h +eval $hasproto -: Can _cnt be used as an lvalue? -case "$d_stdstdio$cnt_lval" in -$define$define) val=$define ;; -*) val=$undef ;; -esac -set d_stdio_cnt_lval -eval $setvar +: see if prototype for setresuid is available +echo " " +set d_sresuproto setresuid $i_unistd unistd.h +eval $hasproto +: see if sys/stat.h is available +set sys/stat.h i_sysstat +eval $inhdr -: test whether setting _ptr sets _cnt as a side effect -d_stdio_ptr_lval_sets_cnt="$undef" -d_stdio_ptr_lval_nochange_cnt="$undef" -case "$d_stdio_ptr_lval$d_stdstdio" in -$define$define) - echo "Checking to see what happens if we set the stdio ptr..." >&4 -$cat >try.c < -/* Can we scream? */ -/* Eat dust sed :-) */ -/* In the buffer space, no one can hear you scream. */ -#define FILE_ptr(fp) $stdio_ptr -#define FILE_cnt(fp) $stdio_cnt -#include -int main() { - FILE *fp = fopen("try.c", "r"); - int c; - char *ptr; - size_t cnt; - if (!fp) { - puts("Fail even to read"); - exit(1); - } - c = getc(fp); /* Read away the first # */ - if (c == EOF) { - puts("Fail even to read"); - exit(1); - } - if (!( - 18 <= FILE_cnt(fp) && - strncmp(FILE_ptr(fp), "include \n", 18) == 0 - )) { - puts("Fail even to read"); - exit (1); - } - ptr = (char*) FILE_ptr(fp); - cnt = (size_t)FILE_cnt(fp); - FILE_ptr(fp) += 42; +: see if stat knows about block sizes +echo " " +echo "Checking to see if your struct stat has st_blocks field..." >&4 +set d_statblks stat st_blocks $i_sysstat sys/stat.h +eval $hasfield - if ((char*)FILE_ptr(fp) != (ptr + 42)) { - printf("Fail ptr check %p != %p", FILE_ptr(fp), (ptr + 42)); - exit (1); - } - if (FILE_cnt(fp) <= 20) { - printf ("Fail (<20 chars to test)"); - exit (1); - } - if (strncmp(FILE_ptr(fp), "Eat dust sed :-) */\n", 20) != 0) { - puts("Fail compare"); - exit (1); - } - if (cnt == FILE_cnt(fp)) { - puts("Pass_unchanged"); - exit (0); - } - if (FILE_cnt(fp) == (cnt - 42)) { - puts("Pass_changed"); - exit (0); - } - printf("Fail count was %d now %d\n", cnt, FILE_cnt(fp)); - return 1; -} -EOP - set try - if eval $compile && $to try.c; then - case `$run ./try` in - Pass_changed) - echo "Increasing ptr in your stdio decreases cnt by the same amount. Good." >&4 - d_stdio_ptr_lval_sets_cnt="$define" ;; - Pass_unchanged) - echo "Increasing ptr in your stdio leaves cnt unchanged. Good." >&4 - d_stdio_ptr_lval_nochange_cnt="$define" ;; - Fail*) - echo "Increasing ptr in your stdio didn't do exactly what I expected. We'll not be doing that then." >&4 ;; - *) - echo "It appears attempting to set ptr in your stdio is a bad plan." >&4 ;; - esac - else - echo "It seems we can't set ptr in your stdio. Nevermind." >&4 - fi - $rm -f try.c try - ;; +: see if this is a sys/vfs.h system +set sys/vfs.h i_sysvfs +eval $inhdr + + +: see if this is a sys/statfs.h system +set sys/statfs.h i_sysstatfs +eval $inhdr + + +echo " " +echo "Checking to see if your system supports struct statfs..." >&4 +set d_statfs_s statfs $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h +eval $hasstruct +case "$d_statfs_s" in +"$define") echo "Yes, it does." ;; +*) echo "No, it doesn't." ;; esac -: see if _base is also standard -val="$undef" -case "$d_stdstdio" in -$define) - $cat >try.c < -#define FILE_base(fp) $stdio_base -#define FILE_bufsiz(fp) $stdio_bufsiz -int main() { - FILE *fp = fopen("try.c", "r"); - char c = getc(fp); - if ( - 19 <= FILE_bufsiz(fp) && - strncmp(FILE_base(fp), "#include \n", 19) == 0 - ) - exit(0); - exit(1); -} -EOP - set try - if eval $compile && $to try.c; then - if $run ./try; then - echo "And its _base field acts std." - val="$define" - else - echo "But its _base field isn't std." - fi - else - echo "However, it seems to be lacking the _base field." - fi - $rm -f try.c try + + +: see if struct statfs knows about f_flags +case "$d_statfs_s" in +define) + echo " " + echo "Checking to see if your struct statfs has f_flags field..." >&4 + set d_statfs_f_flags statfs f_flags $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h + eval $hasfield + ;; +*) val="$undef" + set d_statfs_f_flags + eval $setvar ;; esac -set d_stdiobase -eval $setvar +case "$d_statfs_f_flags" in +"$define") echo "Yes, it does." ;; +*) echo "No, it doesn't." ;; +esac $cat >&4 <try.c < +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif #include typedef $uvtype UV; int main() @@ -17050,9 +17232,9 @@ esac : set the base revision baserev=5.0 -: how do we catenate cpp tokens here? +: how do we concatenate cpp tokens here? echo " " -echo "Checking to see how your cpp does stuff like catenate tokens..." >&4 +echo "Checking to see how your cpp does stuff like concatenate tokens..." >&4 $cat >cpp_stuff.c <<'EOCP' #define RCAT(a,b)a/**/b #define ACAT(a,b)a ## b @@ -17071,8 +17253,8 @@ elif $contains 'Reiser' cpp_stuff.out >/dev/null 2>&1; then cpp_stuff=1 else $cat >&4 < #include +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif #include int main(int argc, char *argv[]) { @@ -17432,6 +17618,10 @@ sunos) $echo '#define PERL_FFLUSH_ALL_FOPEN_MAX 32' > try.c ;; esac $cat >>try.c < +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif #$i_unistd I_UNISTD #ifdef I_UNISTD # include @@ -18462,7 +18652,11 @@ echo " " echo "Checking how to generate random libraries on your machine..." >&4 echo 'int bar1() { return bar2(); }' > bar1.c echo 'int bar2() { return 2; }' > bar2.c -$cat > foo.c <<'EOP' +$cat > foo.c < +#endif int main() { printf("%d\n", bar1()); exit(0); } EOP $cc $ccflags -c bar1.c >/dev/null 2>&1 @@ -18552,7 +18746,8 @@ esac : check for the select 'width' case "$selectminbits" in -'') case "$d_select" in +'') safebits=`expr $ptrsize \* 8` + case "$d_select" in $define) $cat < MINBITS ? S : MINBITS/8) #define NBITS (NBYTES * 8) int main() { - char s[NBYTES]; + char *s = malloc(NBYTES); struct timeval t; int i; FILE* fp; int fd; + if (!s) + exit(1); fclose(stdin); fp = fopen("try.c", "r"); if (fp == 0) - exit(1); + exit(2); fd = fileno(fp); if (fd < 0) - exit(2); + exit(3); b = ($selecttype)s; for (i = 0; i < NBITS; i++) FD_SET(i, b); @@ -18614,6 +18811,7 @@ int main() { t.tv_usec = 0; select(fd + 1, b, 0, 0, &t); for (i = NBITS - 1; i > fd && FD_ISSET(i, b); i--); + free(s); printf("%d\n", i + 1); return 0; } @@ -18624,10 +18822,10 @@ EOCP case "$selectminbits" in '') cat >&4 < signal.c <<'EOCP' +$cat > signal.c < #include +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include +#endif #include int main() { @@ -19918,6 +20121,39 @@ set X $avail_ext shift avail_ext="$*" +case "$onlyextensions" in +'') ;; +*) keepextensions='' + echo "You have requested that only certains extensions be included..." >&4 + for i in $onlyextensions; do + case " $avail_ext " in + *" $i "*) + echo "Keeping extension $i." + keepextensions="$keepextensions $i" + ;; + *) echo "Ignoring extension $i." ;; + esac + done + avail_ext="$keepextensions" + ;; +esac + +case "$noextensions" in +'') ;; +*) keepextensions='' + echo "You have requested that certain extensions be ignored..." >&4 + for i in $avail_ext; do + case " $i " in + " $noextensions ") echo "Ignoring extension $i." ;; + *) echo "Keeping extension $i."; + keepextensions="$keepextensions $i" + ;; + esac + done + avail_ext="$keepextensions" + ;; +esac + : Now see which nonxs extensions are supported on this system. : For now assume all are. nonxs_ext='' @@ -20070,6 +20306,23 @@ set X $dynamic_ext $static_ext $nonxs_ext shift extensions="$*" +# Sanity check: We require an extension suitable for use with +# AnyDBM_File, as well as Fcntl and IO. (Failure to have these +# should show up as failures in the test suite, but it's helpful to +# catch them now.) The 'extensions' list is normally sorted +# alphabetically, so we need to accept either +# DB_File ... Fcntl ... IO .... +# or something like +# Fcntl ... NDBM_File ... IO .... +case " $extensions" in +*"_File "*" Fcntl "*" IO "*) ;; # DB_File +*" Fcntl "*"_File "*" IO "*) ;; # GDBM_File +*" Fcntl "*" IO "*"_File "*) ;; # NDBM_File +*) echo "WARNING: Extensions DB_File or *DBM_File, Fcntl, and IO not configured." >&4 + echo "WARNING: The Perl you are building will be quite crippled." >& 4 + ;; +esac + : Remove libraries needed only for extensions : The appropriate ext/Foo/Makefile.PL will add them back in, if necessary. : The exception is SunOS 4.x, which needs them. @@ -20255,6 +20508,7 @@ d_SCNfldbl='$d_SCNfldbl' d__fwalk='$d__fwalk' d_access='$d_access' d_accessx='$d_accessx' +d_aintl='$d_aintl' d_alarm='$d_alarm' d_archlib='$d_archlib' d_asctime_r='$d_asctime_r' @@ -20277,6 +20531,7 @@ d_class='$d_class' d_closedir='$d_closedir' d_cmsghdr_s='$d_cmsghdr_s' d_const='$d_const' +d_copysignl='$d_copysignl' d_crypt='$d_crypt' d_crypt_r='$d_crypt_r' d_csh='$d_csh' @@ -20310,6 +20565,7 @@ d_endsent='$d_endsent' d_endservent_r='$d_endservent_r' d_eofnblk='$d_eofnblk' d_eunice='$d_eunice' +d_faststdio='$d_faststdio' d_fchdir='$d_fchdir' d_fchmod='$d_fchmod' d_fchown='$d_fchown' @@ -20401,6 +20657,7 @@ d_gnulibc='$d_gnulibc' d_grpasswd='$d_grpasswd' d_hasmntopt='$d_hasmntopt' d_htonl='$d_htonl' +d_ilogbl='$d_ilogbl' d_index='$d_index' d_inetaton='$d_inetaton' d_int64_t='$d_int64_t' @@ -20472,6 +20729,7 @@ d_poll='$d_poll' d_portable='$d_portable' d_procselfexe='$d_procselfexe' d_pthread_atfork='$d_pthread_atfork' +d_pthread_attr_setscope='$d_pthread_attr_setscope' d_pthread_yield='$d_pthread_yield' d_pwage='$d_pwage' d_pwchange='$d_pwchange' @@ -20497,6 +20755,7 @@ d_safebcpy='$d_safebcpy' d_safemcpy='$d_safemcpy' d_sanemcmp='$d_sanemcmp' d_sbrkproto='$d_sbrkproto' +d_scalbnl='$d_scalbnl' d_sched_yield='$d_sched_yield' d_scm_rights='$d_scm_rights' d_seekdir='$d_seekdir' @@ -21099,6 +21358,7 @@ use64bitall='$use64bitall' use64bitint='$use64bitint' usecrosscompile='$usecrosscompile' usedl='$usedl' +usefaststdio='$usefaststdio' useithreads='$useithreads' uselargefiles='$uselargefiles' uselongdouble='$uselongdouble'