On Wed, Jun 5, 2019 at 9:29 AM Bryan Christ <bryan.chr...@gmail.com> wrote:
> Tom, > > I'll give that a try. Can that variable be changed after project() is > called? > Yes, you should be able to change it at any point in your CMake script(s). Remember that CMAKE_<linker type>_LINKER_FLAGS will effect all targets. Restricting your settings changes to the targets for which they are intended is usually better than touching variables like CMAKE_SHARED_LINKER_FLAGS. You may have better results using target_link_libraries() to set your flags. > > On Tue, Jun 4, 2019 at 5:24 PM Tom Finegan <tomfine...@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.chr...@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 >>> <>< >>> -- >>> >>> 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 >>> >> > > -- > Bryan > <>< >
-- 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
