From 496d8726590f4ad432d40ed8e3aad7e92bb3147c Mon Sep 17 00:00:00 2001
From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
Date: Thu, 3 Jan 2013 21:34:34 +0100
Subject: [PATCH 082/482] * configure.ac: Extend -Wno-trampolines to
host.
---
ChangeLog | 4 ++++
configure.ac | 17 +++++++++++++++++
2 files changed, 21 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 2717f8a..087b5c3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2013-01-03 Vladimir Serbinenko <phcoder@gmail.com>
+ * configure.ac: Extend -Wno-trampolines to host.
+
+2013-01-03 Vladimir Serbinenko <phcoder@gmail.com>
+
* grub-core/fs/iso9660.c (grub_iso9660_susp_iterate): Avoid hang if
entry->len = 0.
diff --git a/configure.ac b/configure.ac
index a41f117..dde954e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -358,6 +358,23 @@ AC_CHECK_HEADER([util.h], [
])
AC_SUBST([LIBUTIL])
+AC_CACHE_CHECK([whether -Wno-trampolines work], [grub_cv_host_cc_wnotrampolines], [
+ SAVED_CFLAGS="$CFLAGS"
+ # Test for -Wtrampolines rather than -Wno-trampolines to reduce confusion
+ # in the event of later failures (since -Wno-* is always accepted, but
+ # produces a diagnostic if something else is wrong).
+ CFLAGS="$HOST_CFLAGS -Wtrampolines"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdarg.h>
+int va_arg_func (int fixed, va_list args);]], [[]])],
+ [grub_cv_host_cc_wnotrampolines=yes],
+ [grub_cv_host_cc_wnotrampolines=no])
+ CFLAGS="$SAVED_CFLAGS"
+])
+
+if test x"$grub_host_cv_cc_wnotrampolines" = xyes ; then
+ HOST_CFLAGS="$HOST_CFLAGS -Wno-trampolines"
+fi
+
#
# Check for host and build compilers.
#
--
1.8.2.1