[CMake] Check for defined preprocessor symbol
Leif Walsh
leif.walsh at gmail.com
Sun Feb 17 13:18:53 EST 2013
CHECK_SYMBOL_EXISTS should suffice
Sent from my iPhone
On Feb 17, 2013, at 13:11, Gregor Jasny <gjasny at googlemail.com> wrote:
> Hello,
>
> I need a function to check for existing preprocessor symbols.
> Something like
>
> CHECK_C_PREPROCESSOR_SYMBOL_EXISTS("__i386__", X86)
> CHECK_C_PREPROCESSOR_SYMBOL_EXISTS("__x86_64__", X64)
>
> I guess a hack would be to (ab)use CHECK_TYPE_SIZE for this, but is the
> a more elegant solution?
>
> Thanks,
> Gregor
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