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| author | Stephen Kelly <steveire@gmail.com> | 2014-05-02 08:03:24 (GMT) |
|---|---|---|
| committer | Stephen Kelly <steveire@gmail.com> | 2014-05-02 08:18:16 (GMT) |
| commit | 3fdfa5d3fc1170f1cc69636765502ca14b1821ef (patch) | |
| tree | ac2a317995ebc4a3d67bbc814b566bde84e0ec71 /Modules/Internal/FeatureTesting.cmake | |
| parent | a354a8ba5e6ad23e2317f684434136bea622154b (diff) | |
| download | CMake-3fdfa5d3fc1170f1cc69636765502ca14b1821ef.zip CMake-3fdfa5d3fc1170f1cc69636765502ca14b1821ef.tar.gz CMake-3fdfa5d3fc1170f1cc69636765502ca14b1821ef.tar.bz2 | |
Features: Make CMAKE_CXX_KNOWN_FEATURES a property.
As a 'built-in' variable it imposes a cost on all variable lookups
and it is expected to be rarely used.
Diffstat (limited to 'Modules/Internal/FeatureTesting.cmake')
| -rw-r--r-- | Modules/Internal/FeatureTesting.cmake | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/Modules/Internal/FeatureTesting.cmake b/Modules/Internal/FeatureTesting.cmake index 92d262c..0fff36b 100644 --- a/Modules/Internal/FeatureTesting.cmake +++ b/Modules/Internal/FeatureTesting.cmake @@ -6,7 +6,10 @@ macro(record_compiler_features lang compile_flags feature_list) file(REMOVE "${CMAKE_BINARY_DIR}/CMakeFiles/feature_tests.bin") file(WRITE "${CMAKE_BINARY_DIR}/CMakeFiles/feature_tests.${lang_lc}" " extern const char features[] = {\"\"\n") - foreach(feature ${CMAKE_${lang}_KNOWN_FEATURES}) + + get_property(known_features GLOBAL PROPERTY CMAKE_${lang}_KNOWN_FEATURES) + + foreach(feature ${known_features}) if (_cmake_feature_test_${feature}) if (${_cmake_feature_test_${feature}} STREQUAL 1) set(_feature_condition "\"1\" ") |