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6d604c4972
This causes the `-Wno-deprecated` option to be honored even inside a `try_compile` test project, which is needed to suppress all deprecation warnings as the option documents. Closes: #16446
20 lines
561 B
CMake
20 lines
561 B
CMake
enable_language(C)
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set(CMAKE_WARN_DEPRECATED SOME_VALUE)
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try_compile(result ${CMAKE_CURRENT_BINARY_DIR}
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SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src.c
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OUTPUT_VARIABLE out
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)
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if(NOT result)
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message(FATAL_ERROR "try_compile failed:\n${out}")
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endif()
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# Check that the cache was populated with our custom variable.
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file(STRINGS ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CMakeCache.txt entries
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REGEX CMAKE_WARN_DEPRECATED:UNINITIALIZED=${CMAKE_WARN_DEPRECATED}
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)
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if(NOT entries)
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message(FATAL_ERROR "try_compile did not populate cache as expected")
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endif()
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