bd581a3733
In the `try_compile` source file signature we propagate the caller's value of `CMAKE_<LANG>_FLAGS` into the test project. Extend this to propagate `CMAKE_<LANG>_FLAGS_<CONFIG>` too instead of always using the default value in the test project. This will be useful, for example, to allow the MSVC runtime library to be changed (e.g. `-MDd` => `-MTd`).
18 lines
658 B
CMake
18 lines
658 B
CMake
enable_language(C)
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set(CMAKE_C_FLAGS_RELEASE "-DPP_ERROR ${CMAKE_C_FLAGS_DEBUG}")
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#-----------------------------------------------------------------------------
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set(CMAKE_TRY_COMPILE_CONFIGURATION Release)
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try_compile(RESULT ${CMAKE_CURRENT_BINARY_DIR}
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${CMAKE_CURRENT_SOURCE_DIR}/src.c
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OUTPUT_VARIABLE out
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)
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string(REPLACE "\n" "\n " out " ${out}")
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if(RESULT)
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message(FATAL_ERROR "try_compile passed but should have failed:\n${out}")
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elseif(NOT "x${out}" MATCHES "PP_ERROR is defined")
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message(FATAL_ERROR "try_compile did not fail with PP_ERROR:\n${out}")
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else()
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message(STATUS "try_compile with per-config flag worked as expected")
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endif()
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