[CMake] Trouble with CMAKE_EXE_LINKER_FLAGS not honored

[Tom Finegan]

I think you want CMAKE_SHARED_LINKER_FLAGS:

https://cmake.org/cmake/help/latest/variable/CMAKE_SHARED_LINKER_FLAGS.html

You can also use target_link_libraries to pass linker flags:

https://cmake.org/cmake/help/latest/command/target_link_libraries.html

On Tue, Jun 4, 2019 at 1:12 PM Bryan Christ <bryan.christ at gmail.com> wrote:

> For building my project on Linux with gcc I set the following.
>
> set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--no-as-needed")
>
> Later, if, the system appears to be OSX, I change it:
>
> if ("${CMAKE_SYSTEM_NAME}" STREQUAL "Darwin")
>
>     set(CMAKE_EXE_LINKER_FLAGS "-Wl,-undefined -Wl,dynamic_lookup")
>     set(CMAKE_PREFIX_PATH /usr/local/opt/ncurses)
>
> endif()
>
> However, when creating the shared object, linking fails.  The flags are
> not being passed to clang as expected.  When I dive into
> CMakeFile/vterm-shared.dir/link.txt I confirm that the wrong flags are
> there.
>
> What am I doing wrong?
>
> --
> Bryan
> <><
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