diff options
Diffstat (limited to 'Modules/Internal/FeatureTesting.cmake')
| -rw-r--r-- | Modules/Internal/FeatureTesting.cmake | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/Modules/Internal/FeatureTesting.cmake b/Modules/Internal/FeatureTesting.cmake index b6f3c09..5c144ec 100644 --- a/Modules/Internal/FeatureTesting.cmake +++ b/Modules/Internal/FeatureTesting.cmake @@ -4,7 +4,7 @@ macro(_record_compiler_features lang compile_flags feature_list) string(TOLOWER ${lang} lang_lc) file(REMOVE "${CMAKE_BINARY_DIR}/CMakeFiles/feature_tests.bin") - file(WRITE "${CMAKE_BINARY_DIR}/CMakeFiles/feature_tests.${lang_lc}" " + set(_content " const char features[] = {\"\\n\"\n") get_property(known_features GLOBAL PROPERTY CMAKE_${lang}_KNOWN_FEATURES) @@ -16,10 +16,11 @@ macro(_record_compiler_features lang compile_flags feature_list) else() set(_feature_condition "#if ${_cmake_feature_test_${feature}}\n\"1\"\n#else\n\"0\"\n#endif\n") endif() - file(APPEND "${CMAKE_BINARY_DIR}/CMakeFiles/feature_tests.${lang_lc}" "\"${lang}_FEATURE:\"\n${_feature_condition}\"${feature}\\n\"\n") + string(APPEND _content + "\"${lang}_FEATURE:\"\n${_feature_condition}\"${feature}\\n\"\n") endif() endforeach() - file(APPEND "${CMAKE_BINARY_DIR}/CMakeFiles/feature_tests.${lang_lc}" + string(APPEND _content "\n};\n\nint main(int argc, char** argv) { (void)argv; return features[argc]; }\n") if(CMAKE_${lang}_LINK_WITH_STANDARD_COMPILE_OPTION) @@ -31,7 +32,7 @@ macro(_record_compiler_features lang compile_flags feature_list) endif() try_compile(CMAKE_${lang}_FEATURE_TEST - ${CMAKE_BINARY_DIR} "${CMAKE_BINARY_DIR}/CMakeFiles/feature_tests.${lang_lc}" + SOURCE_FROM_VAR "feature_tests.${lang_lc}" _content COMPILE_DEFINITIONS "${compile_flags}" LINK_LIBRARIES "${compile_flags_for_link}" OUTPUT_VARIABLE _output |