This fixes PR49907 - ok for trunk?
Thanks,
Richard.
2011-08-01 Richard Guenther <rguent...@suse.de>
PR bootstrap/49907
lto-plugin/
* configure.ac: Use ACX_PROG_CC_WARNING_OPTS to detect -Wall presence.
* Makefile.am (AM_CFLAGS): Adjust. Do not build with -Werror.
* configure: Regenerate.
* Makefile.in: Likewise.
* aclocal.m4: Likewise.
Index: configure.ac
===================================================================
--- configure.ac (revision 177016)
+++ configure.ac (working copy)
@@ -6,6 +6,7 @@ AM_INIT_AUTOMAKE([foreign no-dist])
AM_MAINTAINER_MODE
AC_PROG_CC
AC_SYS_LARGEFILE
+ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_lto_plugin_warn_cflags])
AM_PROG_LIBTOOL
ACX_LT_HOST_FLAGS
AC_SUBST(target_noncanonical)
Index: Makefile.am
===================================================================
--- Makefile.am (revision 177016)
+++ Makefile.am (working copy)
@@ -8,7 +8,7 @@ target_noncanonical := @target_noncanoni
libexecsubdir := $(libexecdir)/gcc/$(target_noncanonical)/$(gcc_version)
AM_CPPFLAGS = -I$(top_srcdir)/../include $(DEFS)
-AM_CFLAGS = -Wall -Werror
+AM_CFLAGS = @ac_lto_plugin_warn_cflags@
AM_LIBTOOLFLAGS = --tag=disable-static
libexecsub_LTLIBRARIES = liblto_plugin.la
