[CMake] Platform-independent config package

[Sergiu Deitsch]

You can temporarily unset CMAKE_SIZEOF_VOID_P before calling
write_basic_package_version_file. See for instance
https://bitbucket.org/eigen/eigen/src/ff6170e75ab07d74d8f7dd21af777a94799d168d/CMakeLists.txt?at=3.3&fileviewer=file-view-default#CMakeLists.txt-541:545
.

On Tue, Jan 10, 2017 at 7:52 PM, Ghislain Vaillant <ghisvail at gmail.com>
wrote:

> Dear all,
>
> I am currently hit by an issue with the CMake detection of a header-only
> library [1]. The library is built on a 64-bit machine and packaged for all
> other architectures supported by Debian.
>
> However, CMake detection fails on 32-bit platforms with the following
> error:
>
> ```
> Any attempt to call `find_package(glm REQUIRED)` produces the following
> error:
>
> ```
> Could not find a configuration file for package "glm" that is
> compatible with requested version "".
>
> The following configuration files were considered but not accepted:
>
>     /usr/lib/cmake/glm/glmConfig.cmake, version: 0.9.8 (64bit)
> ```
>
> How can this be effectively solved? Can the bit-ness detection be dropped
> somehow? It should not be needed for a header-only target.
>
> Cheers,
> Ghis
>
>
> [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=850277
>
> --
>
> Powered by www.kitware.com
>
> Please keep messages on-topic and check the CMake FAQ at:
> http://www.cmake.org/Wiki/CMake_FAQ
>
> Kitware offers various services to support the CMake community. For more
> information on each offering, please visit:
>
> CMake Support: http://cmake.org/cmake/help/support.html
> CMake Consulting: http://cmake.org/cmake/help/consulting.html
> CMake Training Courses: http://cmake.org/cmake/help/training.html
>
> Visit other Kitware open-source projects at http://www.kitware.com/
> opensource/opensource.html
>
> Follow this link to subscribe/unsubscribe:
> http://public.kitware.com/mailman/listinfo/cmake
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://public.kitware.com/pipermail/cmake/attachments/20170110/076859d9/attachment-0001.html>