[CMake] CMake removes /DEF: option in CMAKE_SHARED_LINKER_FLAGS

[Cristian Adam]

Hi,

You should simply add the my_defs.def file as a source files to
add_library/add_executable.
CMake will automagically pass /DEF: to the linker with my_defs.def

Cheers,
Cristian.

On Fri, Oct 4, 2019 at 4:45 PM Alexander <alexander.samoylov at gmail.com>
wrote:

> Hello,
>
> I would like to add an extra .defs file for linking of a DLL on Windows. I
> want to use the CMake command line option
> -DCMAKE_SHARED_LINKER_FLAGS="/DEF:my_defs.defs". I expect that besides the
> automatically generated
> <project_path>/bin/<project>.dir/Release/exports.def i see additionally
> /DEF:my_defs.defs in the resulting linking command, but it does not happen.
>
> What is especially irritating that CMake deliberately removes namely /DEF:
> from CMAKE_SHARED_LINKER_FLAGS. Any other word combinations (if I write
> /DEF111:my_defs.def for example) are accepted and I see them the linking
> command.
>
> I tried to reach the same goal using a CMakeLists.txt like this:
>
> set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /DEF:my_defs.def")
>
> but it did not help - the same way CMake removes my /DEF: option.
>
> Could you please open a ticket to fix this behavior to not cut /DEF:
> option from CMAKE_***_LINKER_FLAGS?
>
> On my opinion CMake should not interpret or modify the content of
> CMAKE_SHARED_LINKER_FLAGS value, but should put it entirely as the user
> specified it. If you have another opinion, please provide any other
> possibility to pass an arbitrary arguments to the linking command "as is"
> so that they are not modified.
>
> Any workaround is highly appreciated (better command-line, because we
> build 3rd party software and it would not really fine to change
> CMakeLists.txt)
>
> --
> Best Regards,
> Alexander Samoilov
> Build & Integration Engineer
> Compart AG, 71034 Böblingen Germany
> --
>
> 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:
> https://cmake.org/mailman/listinfo/cmake
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://cmake.org/pipermail/cmake/attachments/20191004/529c53d0/attachment.html>