From 4f47bb8c5e5f234c614dc14532a9483328e61002 Mon Sep 17 00:00:00 2001

From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>

Date: Thu, 9 Oct 2014 22:25:01 -0500

Subject: [PATCH] build-sys: use -Wno-typedef-redefinition only for clang

Our checks for -Wno-xxx switches do not work with gcc [1].

[1] https://gcc.gnu.org/wiki/FAQ#wnowarning

---

 configure.ac | 6 +++++-

 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac

index caf1f0e54e..d04f6f464f 100644

--- a/configure.ac

+++ b/configure.ac

@@ -183,7 +183,6 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\

         -Wno-unused-parameter \

         -Wno-missing-field-initializers \

         -Wno-unused-result \

-        -Wno-typedef-redefinition \

         -Werror=overflow \

         -Wdate-time \

         -Wnested-externs \

@@ -198,6 +197,11 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\

         -fstack-protector-strong \

         -fPIE \

         --param=ssp-buffer-size=4])

+

+AS_CASE([$CC], [*clang*],

+        [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\

+               -Wno-typedef-redefinition])])

+

 AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],

         [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\

                -flto -ffat-lto-objects])],