diff options
Diffstat (limited to 'hints/linux.sh')
| -rw-r--r-- | hints/linux.sh | 97 |
1 files changed, 77 insertions, 20 deletions
diff --git a/hints/linux.sh b/hints/linux.sh index 545f50eb3d..c1172caba2 100644 --- a/hints/linux.sh +++ b/hints/linux.sh @@ -18,13 +18,55 @@ # 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 "$prefix" in -'') prefix='/usr' ;; -esac +# +# Addendum for 5.005_57 and beyond: +# +# However, most Linux users probably already have a /usr/bin/perl. +# We can't know whether the current user is intending to *replace* +# that /usr/bin/perl or whether the user is intending to install +# a *different* installation. +# +# Here is what we used to do: +# Allow a command line override, e.g. Configure -Dprefix=/foo/bar +# case "$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 5.006_50 and beyond. +# +# 9 April 1999 Andy Dougherty <doughera@lafayette.edu> +# # gcc-2.6.3 defines _G_HAVE_BOOL to 1, but doesn't actually supply bool. ccflags="-Dbool=char -DHAS_BOOL $ccflags" @@ -35,6 +77,19 @@ set `echo X "$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 <sys/stat.h>. d_lstat=define @@ -187,29 +242,31 @@ fi # Shimpei Yamashita <shimpei@socrates.patnet.caltech.edu> # 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 -# XXX EXPERIMENTAL A.D. 2/27/1998 -# XXX This script UU/usethreads.cbu will get 'called-back' by Configure -# XXX after it has prompted the user for whether to use threads. -cat > UU/usethreads.cbu <<'EOSH' +# 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 $ccflags" - # -lpthread needs to come before -lc but after other libraries such - # as -lgdbm and such like. We assume here that -lc is present in - # libswanted. If that fails to be true in future, then this can be - # changed to add pthread to the very end of libswanted. - set `echo X "$libswanted "| sed -e 's/ c / pthread c /'` - shift - libswanted="$*" - ;; + ccflags="-D_REENTRANT $ccflags" + set `echo X "$libswanted "| sed -e 's/ c / pthread c /'` + shift + libswanted="$*" + ;; esac -EOSH -# XXX EXPERIMENTAL --end of call-back +EOCBU |