Nice to see you again, Mr. Atkins. I was trying to add a very long gcc link option to a ELF file, there are some options, like -whole-archive, -rpath,and i don't known how to set in CMake, so i decided to use original gcc option, is there better way to solve this?
Chuck Atkins wrote > Is there a reason to not use target_link_libraries here? For the purposes > of your example there's no reason to be using CMAKE_EXE_LINKER_FLAGS. > What > are you actually trying to accomplish? Because there is almost certainly a > better way to achieve your desired result than via CMAKE_EXE_LINKER_FLAGS. > > - Chuck > > On Fri, May 20, 2016 at 4:28 AM, Chaos Zhang < > zcsd2012@ > > wrote: > >> Hi, all, >> >> I try to use some gcc link option and libs(except libs link by >> target_link_libraries(...)), i researched and try to use >> 'CMAKE_EXE_LINKER_FLAGS' in a simple project, as below: >> in dir, there are 5 files: >> >> -hello.h >> -hello.c >> -main.c >> -hello.o >> -libhello.a >> >> hello.o was compiled by hello.c(gcc -c hello.c) and libhello.a contained >> hello.o. And other 3 files content: >> 1.In hello.h: >> >> void hello(); >> >> 2.In hello.c: >> >> #include > <stdio.h> >> void hello() >> { >> printf("hello\n"); >> } >> >> 3.In main.c: >> >> #include "hello.h" >> void main() >> { >> hello(); >> } >> >> When i used gcc -o main main.c libhello.a, the exe file: main generated, >> and >> it work well. >> Then i write a CMakeLists.txt, the content as below: >> >> set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L . -lhello") >> add_executable(main main.c) >> >> When i cmake&make this project, an error occurred: main.c:undefined >> reference to 'hello'. >> >> Since i wil add a complicated link option and would not conflict with >> libs >> link by target_link_libraries(...), i should figure out how to use >> 'CMAKE_EXE_LINKER_FLAGS' or other ways, could you please give me some >> advices? :-) >> >> Thanks, >> Chao >> >> >> >> -- >> View this message in context: >> http://cmake.3232098.n2.nabble.com/How-to-use-CMAKE-EXE-LINKER-FLAGS-correctly-tp7593495.html >> Sent from the CMake mailing list archive at Nabble.com. >> -- >> >> 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 >> > > -- > > 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 -- View this message in context: http://cmake.3232098.n2.nabble.com/How-to-use-CMAKE-EXE-LINKER-FLAGS-correctly-tp7593495p7593503.html Sent from the CMake mailing list archive at Nabble.com. -- 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