From 940bf6a4a427c8edfd975bf078a3ea331847f72a Mon Sep 17 00:00:00 2001
From: Rolf Eike Beer <eike@sf-mail.de>
Date: Thu, 2 Feb 2017 18:28:24 +0100
Subject: [PATCH] Tests/Module/WCDH: only use -Werror=undef compiler flag if
actually supported
---
Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
index a8406dd651..2657aebb70 100644
--- a/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
+++ b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
@@ -68,7 +68,11 @@ if (CMAKE_C_COMPILE_FEATURES)
add_executable(C_undefined c_undefined.c)
set_property(TARGET C_undefined PROPERTY C_STANDARD 90)
- target_compile_options(C_undefined PRIVATE -Werror=undef)
+ include(CheckCCompilerFlag)
+ check_c_compiler_flag(-Werror=undef use_error_undef)
+ if (use_error_undef)
+ target_compile_options(C_undefined PRIVATE -Werror=undef)
+ endif()
add_executable(WriteCompilerDetectionHeader_C main.c)
set_property(TARGET WriteCompilerDetectionHeader_C PROPERTY C_STANDARD 90)
--
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