From a4d9eda7b2bbbcacb669d9dcf9eed04fbcaebc5a Mon Sep 17 00:00:00 2001
From: David Edelsohn <dje@watson.ibm.com>
Date: Fri, 14 Sep 2012 23:55:22 +0000
Subject:         PR target/38607         Merge upstream change.         *
 libtool.m4 (_LT_COMPILER_PIC): Add -fPIC to GCC and GXX for AIX.

        * configure.ac: Add target-libquadmath to noconfigdirs for AIX.
        Add libgomp*.o to compare_exclusions for AIX.
        * configure: Regenerate.
---
 configure.ac | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 27692b45bf8..aaf3df371b3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -527,6 +527,15 @@ if test -d ${srcdir}/libitm; then
     fi
 fi
 
+# Disable libquadmath for some systems.
+case "${target}" in
+  # libquadmath is unused on AIX and libquadmath build process use of
+  # LD_LIBRARY_PATH can break AIX bootstrap.
+  powerpc-*-aix* | rs6000-*-aix*)
+    noconfigdirs="$noconfigdirs target-libquadmath"
+    ;;
+esac
+
 # Disable libssp for some systems.
 case "${target}" in
   avr-*-*)
@@ -3146,6 +3155,7 @@ compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
 case "$target" in
   hppa*64*-*-hpux*) ;;
   hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
+  powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
 esac
 AC_SUBST(compare_exclusions)
 
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