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Tests/Module/WCDH: only use -Werror=undef compiler flag if actually supported

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This commit is contained in:
Rolf Eike Beer
2017-02-02 18:28:24 +01:00
parent f26ca5a195
commit 940bf6a4a4
1 changed files with 5 additions and 1 deletions
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6
Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
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@@ -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)