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https://github.com/Kitware/CMake.git
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f3d4254b3d
Fix the language checks added by commit90dead024c(CheckCompilerFlag: unified way to check compiler flags per language, 2020-09-25, v3.19.0-rc1~88^2), commit10ae907de0(CheckSoureCompiles: Add a unified way to check if a source compiles, 2020-09-14, v3.19.0-rc1~118^2~1), and commit357e2ef429(CheckSoureRuns: Add a unified way to check if a source runs, 2020-09-14, v3.19.0-rc1~118^2) to work when variables of the language names are set. Fixes: #21500
29 lines
638 B
CMake
29 lines
638 B
CMake
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enable_language (CXX)
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include(CheckSourceCompiles)
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set(CXX 1) # test that this is tolerated
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check_source_compiles(CXX "I don't build" SHOULD_FAIL)
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if(SHOULD_FAIL)
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message(SEND_ERROR "invalid CXX source didn't fail.")
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endif()
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check_source_compiles(CXX [=[
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#include <vector>
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int main() {
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return 0;
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}
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]=]
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SHOULD_BUILD)
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if(NOT SHOULD_BUILD)
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message(SEND_ERROR "Test fail for valid CXX source.")
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endif()
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check_source_compiles(CXX "void l(char const (&x)[2]){}; int main() { l(\"\\n\"); return 0;}"
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SHOULD_BUILD_COMPLEX)
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if(NOT SHOULD_BUILD_COMPLEX)
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message(SEND_ERROR "Test fail for valid CXX complex source.")
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endif()
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