- (tim) [aclocal.m4] Enhance OSSH_CHECK_CFLAG_COMPILE to check stderr.
feedback and ok dtucker
diff --git a/ChangeLog b/ChangeLog
index ccbb790..80f0fb4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -16,6 +16,8 @@
need a shell that can handle "[ file1 -nt file2 ]". Rather than keep
dealing with shell portability issues in regression tests, we let
configure find us a capable shell on those platforms with an old /bin/sh.
+ - (tim) [aclocal.m4] Enhance OSSH_CHECK_CFLAG_COMPILE to check stderr.
+ feedback and ok dtucker
20130601
- (dtucker) [configure.ac openbsd-compat/xcrypt.c] bz#2112: fall back to
diff --git a/aclocal.m4 b/aclocal.m4
index 9bdea5e..1b3bed7 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,4 +1,4 @@
-dnl $Id: aclocal.m4,v 1.8 2011/05/20 01:45:25 djm Exp $
+dnl $Id: aclocal.m4,v 1.9 2013/06/02 21:31:27 tim Exp $
dnl
dnl OpenSSH-specific autoconf macros
dnl
@@ -14,8 +14,15 @@
_define_flag="$2"
test "x$_define_flag" = "x" && _define_flag="$1"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[int main(void) { return 0; }]])],
- [ AC_MSG_RESULT([yes])
- CFLAGS="$saved_CFLAGS $_define_flag"],
+ [
+if `grep -i "unrecognized option" conftest.err >/dev/null`
+then
+ AC_MSG_RESULT([no])
+ CFLAGS="$saved_CFLAGS"
+else
+ AC_MSG_RESULT([yes])
+ CFLAGS="$saved_CFLAGS $_define_flag"
+fi],
[ AC_MSG_RESULT([no])
CFLAGS="$saved_CFLAGS" ]
)