On Mon, Mar 26, 2012 at 7:40 AM, Joseph S. Myers
wrote:
> On Fri, 23 Mar 2012, David Edelsohn wrote:
>
>> The build process of libquadmath sometimes encounters problems on AIX
>> due to multilib and LD_LIBRARY_PATH interfering with GCC's own library
>> dependencies. Libquadmath is not used on AIX, so this patch adds it
>> to noconfigdirs.
>
> Please include this explanation in a comment on the powerpc-*-aix* |
> rs6000-*-aix* case. Existing directory-disabling cases may be
> uncommented, but new ones ought to have comments explaining the reason for
> disabling the library.
Is the following okay?
Thanks, David
Index: configure.ac
===
--- configure.ac(revision 186108)
+++ configure.ac(working copy)
@@ -509,6 +509,15 @@
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-*-*)
