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.
This commit is contained in:
Stephen Kelly 2015-01-18 14:59:40 +01:00
parent 1ae2c6b2c9
commit 2a5ca650c9

View File

@ -25,12 +25,14 @@ if (NOT CMAKE_CXX_COMPILE_FEATURES AND NOT CMAKE_C_COMPILE_FEATURES)
)
add_executable(WriteCompilerDetectionHeader "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp")
include(CheckCXXSourceCompiles)
check_cxx_source_compiles("#include \"${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h\"\nint main() { return 0; }\n"
file_include_works
)
if (file_include_works)
message(SEND_ERROR "Inclusion of ${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h was expected to cause an error, but did not.")
if(UNIX OR NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
include(CheckCXXSourceCompiles)
check_cxx_source_compiles("#include \"${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h\"\nint main() { return 0; }\n"
file_include_works
)
if (file_include_works)
message(SEND_ERROR "Inclusion of ${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h was expected to cause an error, but did not.")
endif()
endif()
return()
endif()