X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Flinux.sh;h=9b69e9b4ac427ba398c5b06755efba035aacaea7;hb=b478f28d3c42f92a71da0b37f44cc5e7d70574a6;hp=bd2fd6742d4cc55561bd84abfdfe90ead409b6b4;hpb=1aef975c78d2e948679875705c79cbbbddfe5ad7;p=p5sagit%2Fp5-mst-13.2.git diff --git a/hints/linux.sh b/hints/linux.sh index bd2fd67..9b69e9b 100644 --- a/hints/linux.sh +++ b/hints/linux.sh @@ -1,58 +1,218 @@ # hints/linux.sh # Original version by rsanders -# Additional dlext support by Kenneth Albanowski +# Additional support by Kenneth Albanowski # -# First pass at ELF support by Andy Dougherty -# Fri Feb 3 14:05:00 EST 1995 -# Use sh Configure -Dcc=gcc-elf to try using gcc-elf. It might work. +# ELF support by H.J. Lu +# Additional info from Nigel Head +# and Kenneth Albanowski # -# I don't understand several things in here. Clarifications are welcome. +# Consolidated by Andy Dougherty +# +# Updated Thu Feb 8 11:56:10 EST 1996 + +# Updated Thu May 30 10:50:22 EDT 1996 by + +# Updated Fri Jun 21 11:07:54 EDT 1996 +# NDBM support for ELF renabled by + +# No version of Linux supports setuid scripts. +d_suidsafe='undef' + +# Debian and Red Hat, and perhaps other vendors, provide both runtime and +# development packages for some libraries. The runtime packages contain shared +# libraries with version information in their names (e.g., libgdbm.so.1.7.3); +# the development packages supplement this with versionless shared libraries +# (e.g., libgdbm.so). +# +# If you want to link against such a library, you must install the development +# version of the package. +# +# These packages use a -dev naming convention in both Debian and Red Hat: +# libgdbmg1 (non-development version of GNU libc 2-linked GDBM library) +# libgdbmg1-dev (development version of GNU libc 2-linked GDBM library) +# So make sure that for any libraries you wish to link Perl with under +# Debian or Red Hat you have the -dev packages installed. +# +# Some operating systems (e.g., Solaris 2.6) will link to a versioned shared +# library implicitly. For example, on Solaris, `ld foo.o -lgdbm' will find an +# appropriate version of libgdbm, if one is available; Linux, however, doesn't +# do the implicit mapping. +ignore_versioned_solibs='y' -# Why is this needed? -bin='/usr/bin' +# perl goes into the /usr tree. See the Filesystem Standard +# available via anonymous FTP at tsx-11.mit.edu in +# /pub/linux/docs/linux-standards/fsstnd. +# Allow a command line override, e.g. Configure -Dprefix=/foo/bar +case "$prefix" in +'') prefix='/usr' ;; +esac + +# gcc-2.6.3 defines _G_HAVE_BOOL to 1, but doesn't actually supply bool. +ccflags="-Dbool=char -DHAS_BOOL $ccflags" -ccflags='-I/usr/include/bsd' -cppflags=' -I/usr/include/bsd' -d_dosuid='define' +# BSD compatability library no longer needed +# 'kaffe' has a /usr/lib/libnet.so which is not at all relevent for perl. +set `echo X "$libswanted "| sed -e 's/ bsd / /' -e 's/ net / /'` +shift +libswanted="$*" -# Why are these needed? -gidtype='gid_t' -groupstype='gid_t' -uidtype='uid_t' +# Configure may fail to find lstat() since it's a static/inline +# function in . +d_lstat=define -malloctype='void *' -usemymalloc='n' +# Explanation? +case "$usemymalloc" in +'') usemymalloc='n' ;; +esac case "$optimize" in '') optimize='-O2' ;; esac -# Why is this needed? -nm_opt='' - -sig_name='ZERO HUP INT QUIT ILL TRAP IOT UNUSED FPE KILL USR1 SEGV USR2 PIPE ALRM TERM STKFLT CHLD CONT STOP TSTP TTIN TTOU IO XCPU XFSZ VTALRM PROF WINCH' -signal_t='void' - -case "$cc" in -*cc-elf*) - so='so' - dlext='so' - # Configure might not understand nm output for ELF. - usenm=false - ;; -*) - lddlflags='-r' +# Are we using ELF? Thanks to Kenneth Albanowski +# for this test. +cat >try.c <<'EOM' +/* Test for whether ELF binaries are produced */ +#include +#include +main() { + char buffer[4]; + int i=open("a.out",O_RDONLY); + if(i==-1) + exit(1); /* fail */ + if(read(i,&buffer[0],4)<4) + exit(1); /* fail */ + if(buffer[0] != 127 || buffer[1] != 'E' || + buffer[2] != 'L' || buffer[3] != 'F') + exit(1); /* fail */ + exit(0); /* succeed (yes, it's ELF) */ +} +EOM +if ${cc:-gcc} try.c >/dev/null 2>&1 && ./a.out; then + cat <<'EOM' >&4 + +You appear to have ELF support. I'll try to use it for dynamic loading. +If dynamic loading doesn't work, read hints/linux.sh for further information. +EOM + +#For RedHat Linux 3.0.3, you may need to fetch +# ftp://ftp.redhat.com/pub/redhat-3.0.3/i386/updates/RPMS/ld.so-1.7.14-3.i386.rpm +# + +else + cat <<'EOM' >&4 + +You don't have an ELF gcc. I will use dld if possible. If you are +using a version of DLD earlier than 3.2.6, or don't have it at all, you +should probably upgrade. If you are forced to use 3.2.4, you should +uncomment a couple of lines in hints/linux.sh and restart Configure so +that shared libraries will be disallowed. + +EOM + lddlflags="-r $lddlflags" + # These empty values are so that Configure doesn't put in the + # Linux ELF values. + ccdlflags=' ' + cccdlflags=' ' + ccflags="-DOVR_DBL_DIG=14 $ccflags" so='sa' dlext='o' + nm_so_opt=' ' ## If you are using DLD 3.2.4 which does not support shared libs, ## uncomment the next two lines: #ldflags="-static" #so='none' - ;; -esac -cat < + # + # I tried compiling with DBM support and sure enough things locked up + # just as advertised. Checking into it, I found that the lockup was + # during the call to dbm_open. Not *in* dbm_open -- but between the call + # to and the jump into. + # + # To make a long story short, making sure that the *.a and *.sa pairs of + # /usr/lib/lib{m,db,gdbm}.{a,sa} + # were perfectly in sync took care of it. + # + # This will generate a harmless Whoa There! message + case "$d_dbm_open" in + '') cat <<'EOM' >&4 + +Disabling ndbm. This will generate a Whoa There message in Configure. +Read hints/linux.sh for further information. +EOM + # You can override this with Configure -Dd_dbm_open + d_dbm_open=undef + ;; + esac +fi + +rm -f try.c a.out -You should take a look at hints/linux.sh. There are a some lines you -may wish to change near the bottom. +if /bin/bash -c exit; then + echo '' + echo 'You appear to have a working bash. Good.' +else + cat << 'EOM' >&4 + +*********************** Warning! ********************* +It would appear you have a defective bash shell installed. This is likely to +give you a failure of op/exec test #5 during the test phase of the build, +Upgrading to a recent version (1.14.4 or later) should fix the problem. +****************************************************** EOM + +fi + +# On SPARClinux, +# The following csh consistently coredumped in the test directory +# "/home/mikedlr/perl5.003_94/t", though not most other directories. + +#Name : csh Distribution: Red Hat Linux (Rembrandt) +#Version : 5.2.6 Vendor: Red Hat Software +#Release : 3 Build Date: Fri May 24 19:42:14 1996 +#Install date: Thu Jul 11 16:20:14 1996 Build Host: itchy.redhat.com +#Group : Shells Source RPM: csh-5.2.6-3.src.rpm +#Size : 184417 +#Description : BSD c-shell + +# For this reason I suggest using the much bug-fixed tcsh for globbing +# where available. + +if [ ! "`csh -c 'echo $version' 2>/dev/null`" ] +then + echo 'Real csh found (might break); looking for tcsh ...' + # Use ./UU/loc to find tcsh. (We no longer run in the hints/ directory) + if xxx=`./UU/loc tcsh blurfl $pth`; $test -f "$xxx"; then + echo "Found tcsh. I'll use it for globbing." + # We can't change Configure's setting of $csh, due to the way + # Configure handles $d_portable and commands found in $loclist. + # We can set the value for CSH in config.h by setting full_csh. + full_csh=$xxx + else + echo "Couldn't find tcsh. BEWARE: GLOBBING MIGHT BE BROKEN." + fi +else + echo 'Your csh is really tcsh. Good.' +fi + +# Shimpei Yamashita +# Message-Id: <33EF1634.B36B6500@pobox.com> +# +# MkLinux (osname=linux,archname=ppc-linux), which differs slightly from other +# linuces, needs special flags passed in order for dynamic loading to work. +# instead of the recommended: +# ccdlflags='-rdynamic' +# +# it should be: +# ccdlflags='-Wl,-E' +