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).
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"