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C++ feature checks: Prepare for multiple check output filters

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This commit is contained in:
Brad King 2017-09-19 09:22:54 -04:00
parent 4547d9a830
commit eb3abf8b2b
1 changed files with 2 additions and 1 deletions
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3
Source/Checks/cm_cxx_features.cmake
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@ -14,8 +14,9 @@ function(cm_check_cxx_feature name)
CMAKE_FLAGS ${maybe_cxx_standard}
OUTPUT_VARIABLE OUTPUT
)
set(check_output "${OUTPUT}")
# Filter out MSBuild output that looks like a warning.
string(REGEX REPLACE " +0 Warning\\(s\\)" "" check_output "${OUTPUT}")
string(REGEX REPLACE " +0 Warning\\(s\\)" "" check_output "${check_output}")
# If using the feature causes warnings, treat it as broken/unavailable.
if(check_output MATCHES "[Ww]arning")
set(CMake_HAVE_CXX_${FEATURE} OFF CACHE INTERNAL "TRY_COMPILE" FORCE)