From a3f91c6e0816ba5e10df9fa91812b21dfffc2054 Mon Sep 17 00:00:00 2001
From: Ralf Corsepius <ralf.corsepius@rtems.org>
Date: Wed, 16 Feb 2005 10:05:22 +0000
Subject: 2005-02-16	Ralf Corsepius <ralf.corsepius@rtems.org>

	* aclocal/ppc.m4; Dynamically switch between {old|new} exceptions
	depending upon presence of _OLD_EXCEPTIONS in CFLAGS.
---
 c/src/aclocal/ppc.m4 | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'c/src/aclocal')

diff --git a/c/src/aclocal/ppc.m4 b/c/src/aclocal/ppc.m4
index 696c7f2365..7275685a44 100644
--- a/c/src/aclocal/ppc.m4
+++ b/c/src/aclocal/ppc.m4
@@ -7,6 +7,15 @@
 
 AC_DEFUN([RTEMS_PPC_EXCEPTIONS],
 [
-exceptions="$1-exceptions"
-AC_SUBST(exceptions)
+AC_MSG_CHECKING([for style of powerpc exceptions])
+AC_COMPILE_IFELSE(
+  [AC_LANG_PROGRAM(
+    [],
+    [#if defined(_OLD_EXCEPTIONS)
+     choke me
+     #endif])],
+  [EXCEPTIONS=new],
+  [EXCEPTIONS=old])
+AC_MSG_RESULT([$EXCEPTIONS])
+AC_SUBST([exceptions],[$EXCEPTIONS-exceptions])
 ])
-- 
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