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[perl5.git] / hints / linux.sh

diff --git a/hints/linux.sh b/hints/linux.sh
index 9b69e9b..4fb2f89 100644 (file)
--- a/hints/linux.sh
+++ b/hints/linux.sh
@@ -43,12 +43,30 @@ ignore_versioned_solibs='y'
 # 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  <doughera@lafayette.edu>
+#
 
 # BSD compatability library no longer needed
 # 'kaffe' has a /usr/lib/libnet.so which is not at all relevent for perl.
@@ -56,6 +74,19 @@ 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
@@ -208,11 +239,50 @@ 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
 
+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
+''|$define|true|[yY]*)
+       ccflags="$ccflags -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
+       ;;
+esac
+EOCBU