Add -mabi=64 to ccflags for 64-bit IRIX gcc.

[perl5.git] / hints / linux.sh

diff --git a/hints/linux.sh b/hints/linux.sh
index 9b69e9b..0339e8f 100644 (file)
--- a/hints/linux.sh
+++ b/hints/linux.sh
@@ -43,8 +43,16 @@ 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
+# Also, if the user has specified -Uinstallusrbinperl and hasn't
+# specified a prefix, then set prefix to /usr/local.
 case "$prefix" in
-'') prefix='/usr' ;;
+'')
+    case "$installusrbinperl" in
+    "$undef")
+        prefix='/usr/local' ;;
+    esac
+*)
+    prefix='/usr' ;;
 esac
 
 # gcc-2.6.3 defines _G_HAVE_BOOL to 1, but doesn't actually supply bool.
@@ -56,6 +64,19 @@ 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 +229,31 @@ 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
 
+# 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