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- enable_language(C)
- # Normally this variable should be set by a platform information module or
- # a toolchain file, but for purposes of this test we simply set it here.
- set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES MY_CUSTOM_VARIABLE)
- set(MY_CUSTOM_VARIABLE SOME_VALUE)
- try_compile(result ${CMAKE_CURRENT_BINARY_DIR}
- SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src.c
- OUTPUT_VARIABLE out
- )
- if(NOT result)
- message(FATAL_ERROR "try_compile failed:\n${out}")
- endif()
- # Check that the cache was populated with our custom variable.
- file(STRINGS ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CMakeCache.txt entries
- REGEX MY_CUSTOM_VARIABLE:UNINITIALIZED=${MY_CUSTOM_VARIABLE}
- )
- if(NOT entries)
- message(FATAL_ERROR "try_compile did not populate cache as expected")
- endif()
|
