X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Flinux.sh;h=e152a6a3ce04b088fea91453bc6af4a60630494c;hb=f412e1d69424d7787af14ab6844279246479c4f1;hp=9b69e9b4ac427ba398c5b06755efba035aacaea7;hpb=b691c02f8c79b7bac4a606da95849c0c7bcae239;p=p5sagit%2Fp5-mst-13.2.git diff --git a/hints/linux.sh b/hints/linux.sh index 9b69e9b..e152a6a 100644 --- a/hints/linux.sh +++ b/hints/linux.sh @@ -6,11 +6,11 @@ # Additional info from Nigel Head # and Kenneth Albanowski # -# Consolidated by Andy Dougherty +# Consolidated by Andy Dougherty # # Updated Thu Feb 8 11:56:10 EST 1996 -# Updated Thu May 30 10:50:22 EDT 1996 by +# 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 @@ -39,34 +39,48 @@ d_suidsafe='undef' # do the implicit mapping. ignore_versioned_solibs='y' -# 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 $ccflags" - # BSD compatability library no longer needed # 'kaffe' has a /usr/lib/libnet.so which is not at all relevent for perl. set `echo X "$libswanted "| sed -e 's/ bsd / /' -e 's/ net / /'` shift libswanted="$*" +# If you have glibc, then report the version for ./myconfig bug reporting. +# (Configure doesn't need to know the specific version since it just uses +# gcc to load the library for all tests.) +# We don't use __GLIBC__ and __GLIBC_MINOR__ because they +# are insufficiently precise to distinguish things like +# libc-2.0.6 and libc-2.0.7. +if test -L /lib/libc.so.6; then + libc=`ls -l /lib/libc.so.6 | awk '{print $NF}'` + libc=/lib/$libc +fi + # Configure may fail to find lstat() since it's a static/inline # function in . d_lstat=define -# Explanation? +# The system malloc() is about as fast and as frugal as perl's. +# Since the system malloc() has been the default since at least +# 5.001, we might as well leave it that way. --AD 10 Jan 2002 case "$usemymalloc" in '') usemymalloc='n' ;; esac case "$optimize" in -'') optimize='-O2' ;; +'') # If we have modern enough gcc and well-supported enough CPU, + # crank up the optimization level. + case "`${cc:-gcc} -v 2>&1`" in + *"gcc version 2.95"*|*"gcc version 3."*) + case "`arch 2>&1`" in + i?86|ppc) optimize='-O3' ;; + esac + ;; + esac + case "$optimize" in + '') optimize='-O2' ;; + esac + ;; esac # Are we using ELF? Thanks to Kenneth Albanowski @@ -88,17 +102,13 @@ main() { exit(0); /* succeed (yes, it's ELF) */ } EOM -if ${cc:-gcc} try.c >/dev/null 2>&1 && ./a.out; then +if ${cc:-gcc} try.c >/dev/null 2>&1 && $run ./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 @@ -158,7 +168,7 @@ fi rm -f try.c a.out -if /bin/bash -c exit; then +if /bin/sh -c exit; then echo '' echo 'You appear to have a working bash. Good.' else @@ -188,31 +198,87 @@ fi # 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) +# November 2001: That warning's pretty old now and probably not so +# relevant, especially since perl now uses File::Glob for globbing. +# We'll still look for tcsh, but tone down the warnings. +# Andy Dougherty, Nov. 6, 2001 +if $csh -c 'echo $version' >/dev/null 2>&1; then + echo 'Your csh is really tcsh. Good.' +else 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." + elif [ -f "$csh" ]; then + echo "Couldn't find tcsh. Csh-based globbing might be broken." fi -else - echo 'Your csh is really tcsh. Good.' fi # Shimpei Yamashita # Message-Id: <33EF1634.B36B6500@pobox.com> # -# MkLinux (osname=linux,archname=ppc-linux), which differs slightly from other -# linuces, needs special flags passed in order for dynamic loading to work. +# The DR2 of MkLinux (osname=linux,archname=ppc-linux) may need +# special flags passed in order for dynamic loading to work. # instead of the recommended: +# # ccdlflags='-rdynamic' # # it should be: # ccdlflags='-Wl,-E' +# +# So if your DR2 (DR3 came out summer 1998, consider upgrading) +# has problems with dynamic loading, uncomment the +# following three lines, make distclean, and re-Configure: +#case "`uname -r | sed 's/^[0-9.-]*//'``arch`" in +#'osfmach3ppc') ccdlflags='-Wl,-E' ;; +#esac + +case "`uname -r`" in +sparc-linux) + case "$cccdlflags" in + *-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;; + *) cccdlflags="$cccdlflags -fPIC" ;; + esac + ;; +esac + +# This script UU/usethreads.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to use threads. +cat > UU/usethreads.cbu <<'EOCBU' +case "$usethreads" in +$define|true|[yY]*) + ccflags="-D_REENTRANT -D_GNU_SOURCE -DTHREADS_HAVE_PIDS $ccflags" + set `echo X "$libswanted "| sed -e 's/ c / pthread c /'` + shift + libswanted="$*" + + # Somehow at least in Debian 2.2 these manage to escape + # the #define forest of and so that + # the hasproto macro of Configure doesn't see these protos, + # even with the -D_GNU_SOURCE. + d_asctime_r_proto="$define" + d_crypt_r_proto="$define" + d_ctime_r_proto="$define" + d_gmtime_r_proto="$define" + d_localtime_r_proto="$define" + d_random_r_proto="$define" + + ;; +esac +EOCBU + +cat > UU/uselargefiles.cbu <<'EOCBU' +# This script UU/uselargefiles.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to use large files. +case "$uselargefiles" in +''|$define|true|[yY]*) +# Keep this in the left margin. +ccflags_uselargefiles="-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" + + ccflags="$ccflags $ccflags_uselargefiles" + ;; +esac +EOCBU