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enable_language(C)
set(CMAKE_WARN_DEPRECATED 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 ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/CMakeCache.txt entries
REGEX CMAKE_WARN_DEPRECATED:UNINITIALIZED=${CMAKE_WARN_DEPRECATED}
)
if(NOT entries)
message(FATAL_ERROR "try_compile did not populate cache as expected")
endif()
|
