From 9f65644cb25e4f89553d90861020767302f05583 Mon Sep 17 00:00:00 2001
From: jacob <jacob>
Date: Tue, 21 Dec 2004 20:35:20 +0000
Subject: [PATCH] b=5278 r=adilger
use -m64 for userspace when the compiler supports it.
This is needed on 64-bit systems where the default compiler is 32-bit
(SLES 9 on ppc64).
---
build/autoconf/lustre-build.m4 | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/build/autoconf/lustre-build.m4 b/build/autoconf/lustre-build.m4
index e8a546b75e..2a1b1d005d 100644
--- a/build/autoconf/lustre-build.m4
+++ b/build/autoconf/lustre-build.m4
@@ -317,6 +317,16 @@ if test $ac_cv_sizeof_unsigned_long_long != 8 ; then
AC_MSG_ERROR([** we assume that sizeof(long long) == 8. Tell phil@clusterfs.com])
fi
+AC_MSG_CHECKING([if $CC accepts -m64])
+CFLAGS_save="$CFLAGS"
+CFLAGS="-m64 $CFLAGS"
+AC_TRY_COMPILE([],[],[
+ AC_MSG_RESULT([yes])
+],[
+ AC_MSG_RESULT([no])
+ CFLAGS="$CFLAGS_save"
+])
+
CPPFLAGS="-I\$(top_srcdir)/lustre/include -I\$(top_srcdir)/portals/include $CPPFLAGS"
LLCPPFLAGS="-D__arch_lib__ -D_LARGEFILE64_SOURCE=1"
--
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