[CMake] Trouble with CMAKE_EXE_LINKER_FLAGS not honored

[Bryan Christ]

Tom,

I'll give that a try.  Can that variable be changed after project() is
called?

On Tue, Jun 4, 2019 at 5:24 PM Tom Finegan <tomfinegan at google.com> wrote:

> 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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-- 
Bryan
<><
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