X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=hints%2Flinux.sh;h=913cfd0fd1a00ae8d6275ad77e0fce88188b5a7c;hb=45c9e83b07a146ad42e19f44b9def27ecbdcd9e2;hp=99ab9c869c0a9c6150267d42704116d9b4235557;hpb=284c50cc3d3edaeea836b0696473b41df7e01cd4;p=p5sagit%2Fp5-mst-13.2.git diff --git a/hints/linux.sh b/hints/linux.sh index 99ab9c8..913cfd0 100644 --- a/hints/linux.sh +++ b/hints/linux.sh @@ -17,30 +17,76 @@ # No version of Linux supports setuid scripts. d_suidsafe='undef' -#don't force people to install SUID if they don't want to (have said -#-Dd_dosuid=undef explicitly on command line) - MIKEDLR -if [ ! "A$d_dosuid" = "Aundef" ] #do I need to be paranoid here? -then - d_dosuid='define' -fi +# Debian and Red Hat, and perhaps other vendors, provide both runtime and +# development packages for some libraries. The runtime packages contain shared +# libraries with version information in their names (e.g., libgdbm.so.1.7.3); +# the development packages supplement this with versionless shared libraries +# (e.g., libgdbm.so). +# +# If you want to link against such a library, you must install the development +# version of the package. +# +# These packages use a -dev naming convention in both Debian and Red Hat: +# libgdbmg1 (non-development version of GNU libc 2-linked GDBM library) +# libgdbmg1-dev (development version of GNU libc 2-linked GDBM library) +# So make sure that for any libraries you wish to link Perl with under +# Debian or Red Hat you have the -dev packages installed. +# +# Some operating systems (e.g., Solaris 2.6) will link to a versioned shared +# library implicitly. For example, on Solaris, `ld foo.o -lgdbm' will find an +# appropriate version of libgdbm, if one is available; Linux, however, doesn't +# do the implicit mapping. +ignore_versioned_solibs='y' # perl goes into the /usr tree. See the Filesystem Standard # available via anonymous FTP at tsx-11.mit.edu in # /pub/linux/docs/linux-standards/fsstnd. # Allow a command line override, e.g. Configure -Dprefix=/foo/bar -case "$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 @@ -175,16 +221,71 @@ fi if [ ! "`csh -c 'echo $version' 2>/dev/null`" ] then - echo 'Real csh found (might break); looking for tcsh ...' - if which tcsh >/dev/null 2>&1 - then - echo 'Found tcsh; will use it for globbing.' - csh='tcsh' - d_csh='tcsh' - full_csh=`which tcsh` # we know this will work now. - else - echo "Couldn't find tcsh. BEWARE BROKEN GLOBBING." - fi + 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.' + echo 'Your csh is really tcsh. Good.' 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: +# +# 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 $ccflags" + set `echo X "$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