[CMake] Checking Variables in a tool-chain file

[frodak17]

Be aware that CMAKE_TRY_COMPILE_PLATFORM_VARIABLES only works with the
try_compile()
<https://cmake.org/cmake/help/latest/command/try_compile.html#command:try_compile>
command source file signature. Unfortunately it doesn't work with
try_compile() whole projects signature.  The section on Other Behavior
Settings mostly only applies to the source file signature.

On Fri, Feb 1, 2019 at 2:02 AM <Torsten at robitzki.de> wrote:

>
> > Am 31.01.2019 um 21:10 schrieb Craig Scott <craig.scott at crascit.com>:
> >
> > This is precisely the scenario that the
> CMAKE_TRY_COMPILE_PLATFORM_VARIABLES variable is meant for. It allows a
> toolchain file to specify additional variables that should be passed along
> to try_compile().
>
> Works like a charm. Thanks a lot!
>
> Torsten
>
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