I'm trying to write a test to check if a gcc compiler options is supported.
I can't quite work out how to get the test code to compile with the flag I
need check. I've tried doing this:
TRY_COMPILE(CMAKE_GCC_VISIBILITY
${CMAKE_BINARY_DIR}
${CMAKE_BINARY_DIR}/CMakeTmp/testGCCvisibility.c
CMAKE_FLAGS -DCMAKE_C_FLAGS:STRING=-fvisibility=hidden
OUTPUT_VARIABLE OUTPUT
)
But when the test code is executed the flag I've specified
(-fvisibility=hidden) isn't passed to the compiler. I suspect that I'm doing
something wrong, but I can't see it myself :-(
Any help/ideas appreciated.
--
David Somers
typographer/programmer/whatever
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