[gentoo-devhelp] Re: Where should libraries be installed with cmake?

[Nikos Chantziaras]

On 14/06/14 14:35, justin wrote:
> On 13/06/14 23:58, Nikos Chantziaras wrote:
>> I'm creating a cmake file for a project. According to the cmake docs,
>> this is how I should install libraries:
>>
>>    install(TARGETS MyLibrary DESTINATION lib)
>>
>> This installs the library files into ${CMAKE_INSTALL_PREFIX}/lib. With a
>> "/usr" prefix, that's simply "/usr/lib".
>>
>> But this doesn't look correct to me. What about "/usr/lib/lib64"? And I
>> can't just use "lib64", since that means the library will end up in the
>> wrong place on 32-bit systems.
>>
>> How do I handle this? The cmake documentation provides zero help on
>> this. With autoconf, this wasn't a problem, since there are variables
>> for the various install paths. cmake seems to give me nothing of the sort?
>>
>>
>
> Hi,
>
> the cmake-utils.eclass defines following two variables which help you
>
> LIB_SUFFIX             library path suffix
> CMAKE_INSTALL_LIBDIR   Output directory for libraries
>
> It seems later is defined recent cmake too.

It seems the cmake docs are somewhat out of date. I just did a grep for 
CMAKE_INSTALL_LIBDIR in the cmake-2.8.12.2 sources, and indeed the 
variable is there.

Thanks!