- (dtucker) [configure.ac openbsd-compat/sys-tree.h] Test if compiler allows
__attribute__ on return values and work around if necessary. ok djm@
diff --git a/configure.ac b/configure.ac
index f611064..6df09e2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.501 2013/02/06 23:11:05 djm Exp $
+# $Id: configure.ac,v 1.502 2013/02/08 00:50:09 dtucker Exp $
#
# Copyright (c) 1999-2004 Damien Miller
#
@@ -15,7 +15,7 @@
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
AC_INIT([OpenSSH], [Portable], [openssh-unix-dev@mindrot.org])
-AC_REVISION($Revision: 1.501 $)
+AC_REVISION($Revision: 1.502 $)
AC_CONFIG_SRCDIR([ssh.c])
AC_LANG([C])
@@ -238,6 +238,18 @@
fi
fi
+AC_MSG_CHECKING([if compiler allows __attribute__ on return types])
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[
+#include <stdlib.h>
+__attribute__((__unused__)) static void foo(void){return;}]],
+ [[ exit(0); ]])],
+ [ AC_MSG_RESULT([yes]) ],
+ [ AC_MSG_RESULT([no])
+ AC_DEFINE(NO_ATTRIBUTE_ON_RETURN_TYPE, 1,
+ [compiler does not accept __attribute__ on return types]) ]
+)
+
if test "x$no_attrib_nonnull" != "x1" ; then
AC_DEFINE([HAVE_ATTRIBUTE__NONNULL__], [1], [Have attribute nonnull])
fi