Ok. I see the problem. Thanks for your investigation.
I will work on that and submit a patch to solve this problem.
Marc
On 10/12/15 14:42, "Brad King" <brad.k...@kitware.com> wrote:
>On 12/10/2015 04:03 AM, CHEVRIER, Marc wrote:
>> I identify the root of the problem: if I specify version 3.4 in
>> cmake_minimum_required, generated link command (stored in file link.txt)
>> for an executable does not contains value specified in variable
>> CMAKE_SHARED_LIBRARY_LINK_${lang}_FLAGS. Specifying 3.3 fix the problem.
>> So this is a regression introduced in 3.4.
>
>It is not technically a backward incompatibility because project code
>that worked in 3.3 will still work the same way in 3.4. Only after
>modifying the code to require 3.4 does the behavior change, but the
>new behavior is a regression. This is policy CMP0065:
>
> https://cmake.org/cmake/help/v3.4/policy/CMP0065.html
>
>introduced here:
>
> CMP0065: Restrict the use of CMAKE_SHARED_LIBRARY_LINK_<LANG>_FLAGS
> https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=9784af1b
>
>The bug is that CMAKE_SHARED_LIBRARY_LINK_<LANG>_FLAGS is intended
>to be equivalent to "-rdynamic" on Linux, but the AIX platform file
>is using it for other flags too:
>
>> set(CMAKE_SHARED_LIBRARY_LINK_${lang}_FLAGS "-Wl,-brtl,-bnoipath,-bexpall")
>
>This should be just
>
> set(CMAKE_SHARED_LIBRARY_LINK_${lang}_FLAGS "-Wl,-bexpall")
>
>and the `-Wl,-brtl,-bnoipath` flags should move elsewhere. One could
>add them directly to the CMAKE_${lang}_LINK_EXECUTABLE command line,
>for example.
>
>Thanks,
>-Brad
>
--
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-developers
