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Features: On SunPro link feature check with lang std flag

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Follow up commit e17b179184 (Features: On SunPro link with language
standard compiler flag, 2017-04-28) to apply the same fix to the feature
checks.  The `try_compile` used for these is intentionally not using
`CXX_STANDARD`-based logic so that it can test the individual flags.
This commit is contained in:
Brad King 2017-05-09 11:18:54 -04:00
parent e17b179184
commit d49aa10768
1 changed files with 10 additions and 0 deletions
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10
Modules/Internal/FeatureTesting.cmake
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@ -22,9 +22,18 @@ macro(_record_compiler_features lang compile_flags feature_list)
file(APPEND "${CMAKE_BINARY_DIR}/CMakeFiles/feature_tests.${lang_lc}"
"\n};\n\nint main(int argc, char** argv) { (void)argv; return features[argc]; }\n")
if(CMAKE_${lang}_LINK_WITH_STANDARD_COMPILE_OPTION)
# This toolchain requires use of the language standard flag
# when linking in order to use the matching standard library.
set(compile_flags_for_link "${compile_flags}")
else()
set(compile_flags_for_link "")
endif()
try_compile(CMAKE_${lang}_FEATURE_TEST
${CMAKE_BINARY_DIR} "${CMAKE_BINARY_DIR}/CMakeFiles/feature_tests.${lang_lc}"
COMPILE_DEFINITIONS "${compile_flags}"
LINK_LIBRARIES "${compile_flags_for_link}"
OUTPUT_VARIABLE _output
COPY_FILE "${CMAKE_BINARY_DIR}/CMakeFiles/feature_tests.bin"
COPY_FILE_ERROR _copy_error
@ -35,6 +44,7 @@ macro(_record_compiler_features lang compile_flags feature_list)
set(_result 255)
endif()
unset(CMAKE_${lang}_FEATURE_TEST CACHE)
unset(compile_flags_for_link)
if (_result EQUAL 0)
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log