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Features: Wrap failure-test in UNIX condition.
The use of GNU on non-UNIX for 'compile features' is not tested and is not well defined.
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@ -25,6 +25,7 @@ if (NOT CMAKE_CXX_COMPILE_FEATURES AND NOT CMAKE_C_COMPILE_FEATURES)
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)
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add_executable(WriteCompilerDetectionHeader "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp")
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if(UNIX OR NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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include(CheckCXXSourceCompiles)
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check_cxx_source_compiles("#include \"${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h\"\nint main() { return 0; }\n"
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file_include_works
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@ -32,6 +33,7 @@ if (NOT CMAKE_CXX_COMPILE_FEATURES AND NOT CMAKE_C_COMPILE_FEATURES)
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if (file_include_works)
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message(SEND_ERROR "Inclusion of ${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h was expected to cause an error, but did not.")
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endif()
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endif()
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return()
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endif()
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