[CMake] Recommandation for macOS framework install rules

[Robert Maynard]

Are you just checking if the compiler is GCC? if so I would use
COMPILER_ID https://cmake.org/cmake/help/v3.8/variable/CMAKE_LANG_COMPILER_ID.html

On Wed, Jan 17, 2018 at 6:19 PM, J Decker <d3ck0r at gmail.com> wrote:
> It's not entirely related other than Mac....
>
> I had to test
>
> if( __COMPILER_GNU AND NOT CMAKE_COMPILER_IS_GNUCC )
>
> instead of just CMAKE_COMPILER_IS_GNUCC (which was unset)
>
> __COMPILER_GNU was found after doing a dump...
>
> I suppose there's some modern way I'm supposed to test GCC that works on all
> systems?
>
>
> On Wed, Jan 17, 2018 at 2:49 PM, Lucas Soltic <lucas.soltic at orange.fr>
> wrote:
>>
>> Hello,
>>
>> By default library install() command uses CMAKE_INSTALL_PREFIX (/usr/local
>> by default) as a base for relative install paths. But when you define
>> install rules for macOS frameworks, it doesn't make much sense to install
>> them there. I'd rather expect something like /Library/Frameworks.
>>
>> On the other side, if you have more things to install like a "readme" or
>> documentation that should go into /usr/local/share, it doesn't make sense to
>> have them installed in /Library/Frameworks. So you can't just change
>> CMAKE_INSTALL_PREFIX to be /Library/Frameworks.
>>
>> What do you recommend to keep installation rules simple (ie. remain
>> relative) and yet support installation of both frameworks and other things?
>>
>> Best regards,
>> Lucas
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>
>
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