X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Flinux.sh;h=9837ee8031318c57d21cad07a1ebae7446c0a6b0;hb=0fa156b9cc6e57c94350bf8b3486af3d1c7dd41d;hp=b76ee89e515f08ce811b1ca002eb7de64b754958;hpb=ef0c99469b039696f8730cf24a8f0c48662abffd;p=p5sagit%2Fp5-mst-13.2.git diff --git a/hints/linux.sh b/hints/linux.sh index b76ee89..9837ee8 100644 --- a/hints/linux.sh +++ b/hints/linux.sh @@ -15,22 +15,78 @@ # 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' + # 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 $ccflags" +# +# Addendum for 5.005_57 and beyond: +# +# However, most Linux users probably already have a /usr/bin/perl. +# We can't know whether the current user is intending to *replace* +# that /usr/bin/perl or whether the user is intending to install +# a *different* installation. +# +# Here is what we used to do: +# Allow a command line override, e.g. Configure -Dprefix=/foo/bar +# case "$prefix" in +# '') prefix='/usr' ;; +# esac +# +# For now, let's assume that most Linux users get their /usr/bin/perl +# from some packaging system, so that those compiling from source are +# probably the more experimental folks and hence probably aren't +# intending to replace /usr/bin/perl (at least just yet). +# This change makes linux consistent with most other unix platforms +# in having a default of prefix=/usr/local. +# These notes can probably safely be removed in 5.005_50 and beyond. +# +# 9 April 1999 Andy Dougherty +# # BSD compatability library no longer needed -set `echo X "$libswanted "| sed -e 's/ bsd / /'` +# 'kaffe' has a /usr/lib/libnet.so which is not at all relevent for perl. +set `echo X "$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.) +# Is this sufficiently robust for libc5 systems as well as +# glibc-2.1.x systems? +# 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 @@ -41,7 +97,19 @@ case "$usemymalloc" in esac case "$optimize" in -'') optimize='-O2' ;; +'') # If we have modern enough gcc and well-supported enough CPU, + # crank up the optimization level. + case "`${cc:-gcc} -v 2>&1`" in + *gcc-2.95*|*gcc-3.*) + case "`arch 2>&1`" in + i?86|ppc) optimize='-O3' ;; + esac + ;; + esac + case "$optimize" in + '') optimize='-O2' ;; + esac + ;; esac # Are we using ELF? Thanks to Kenneth Albanowski @@ -63,7 +131,7 @@ 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 && $run ./a.out; then cat <<'EOM' >&4 You appear to have ELF support. I'll try to use it for dynamic loading. @@ -133,9 +201,9 @@ fi rm -f try.c a.out -if /bin/bash -c exit; then - echo - echo You appear to have a working bash. Good. +if /bin/sh -c exit; then + echo '' + echo 'You appear to have a working bash. Good.' else cat << 'EOM' >&4 @@ -148,16 +216,89 @@ EOM fi -# Avoid some troublesome gcvt() functions. With some libc versions, -# perl -e '$x=1e5; print "$x\n";' prints 1e+5. We'd like it -# to print 100000 instead, consistent with the integer value given -# on other platforms. This isn't a bug in gcvt, really; more in our -# expectations for it. We'd like it to behave exactly as -# sprintf %.16g, but it isn't documented to do that. +# 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. + +# 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 + elif [ -f "$csh" ]; then + echo "Couldn't find tcsh. Csh-based globbing might be broken." + fi +fi + +# Shimpei Yamashita +# Message-Id: <33EF1634.B36B6500@pobox.com> +# +# The DR2 of MkLinux (osname=linux,archname=ppc-linux) may need +# special flags passed in order for dynamic loading to work. +# instead of the recommended: # -# We'll use sprintf() instead, since we can control the output more -# precisely. +# ccdlflags='-rdynamic' # -# The next version of Configure will check for this automatically. -d_Gconvert='sprintf((b),"%.*g",(n),(x))' +# it should be: +# ccdlflags='-Wl,-E' +# +# So if your DR2 (DR3 came out summer 1998, consider upgrading) +# has problems with dynamic loading, uncomment the +# following three lines, make distclean, and re-Configure: +#case "`uname -r | sed 's/^[0-9.-]*//'``arch`" in +#'osfmach3ppc') ccdlflags='-Wl,-E' ;; +#esac +case "`uname -r`" in +sparc-linux) + case "$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 $ccflags" + set `echo X "$libswanted "| sed -e 's/ c / pthread c /'` + shift + libswanted="$*" + ;; +esac +EOCBU + +cat > UU/uselargefiles.cbu <<'EOCBU' +# This script UU/uselargefiles.cbu will get 'called-back' by Configure +# after it has prompted the user for whether to use large files. +case "$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