From 384d3ce7204f5a93833494db7808c1f0359db5ba Mon Sep 17 00:00:00 2001
From: Peter Wu <peter@lekensteyn.nl>
Date: Fri, 10 Oct 2014 23:37:21 +0200
Subject: [PATCH] CheckStructHasMember: avoid breakage on -Wall -Werror
 (#15203)

With CMAKE_C_FLAGS='-Wall -Werror', this test breaks due to
-Werror=unused-value. Fix this by ignoring the return value.
---
 Modules/CheckStructHasMember.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Modules/CheckStructHasMember.cmake b/Modules/CheckStructHasMember.cmake
index 880a688e2..c8949cf26 100644
--- a/Modules/CheckStructHasMember.cmake
+++ b/Modules/CheckStructHasMember.cmake
@@ -70,7 +70,7 @@ ${_INCLUDE_FILES}
 int main()
 {
    ${_STRUCT}* tmp;
-   tmp->${_MEMBER};
+   (void) tmp->${_MEMBER};
    return 0;
 }
 ")