I found this solution helpful: https://crascit.com/2015/07/25/cmake-gtest It is unfortunate that CMake doesn't have a proper way to accomplish this. --James
On Sun, Jan 8, 2017 at 10:07 PM, Hendrik Sattler <p...@hendrik-sattler.de> wrote: > One possibility is the often mentioned superbuild, another is not using > find_library() but setting the variables with the library file paths > manually (that's static info anyway). > > > Am 8. Januar 2017 22:49:52 MEZ schrieb Saad Khattak <saadrus...@gmail.com > >: > >Hello, > > > >I have an external project glfw that I added to my project like this: > > > >========== > >include(ExternalProject) > >ExternalProject_Add(glfw > > GIT_REPOSITORY "https://github.com/glfw/glfw.git" > > GIT_TAG "master" > > > > SOURCE_DIR "${CMAKE_SOURCE_DIR}/dep/glfw" > > CMAKE_ARGS -DGLFW_BUILD_DOCS=OFF -DGLFW_BUILD_TESTS=OFF > >-DGLFW_BUILD_EXAMPLES=OFF > >-DCMAKE_INSTALL_PREFIX=${CMAKE_SOURCE_DIR}/install/glfw/ > >-DCMAKE_DEBUG_POSTFIX=_d > > > > TEST_COMMAND "" > > ) > >set(GLFW_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/install/glfw/include/") > >set(GLFW_LIBRARY_DIR "${CMAKE_SOURCE_DIR}/install/glfw/lib/") > >========== > > > >Then I include it in my project like so: > > > >========== > >find_library(GLFW_LIB_D glfw3_d ${GLFW_LIBRARY_DIR}) > >find_library(GLFW_LIB glfw3 ${GLFW_LIBRARY_DIR}) > > > >include_directories(${GLFW_INCLUDE_DIR}) > > > >add_executable(vk_test > > src/vulkan_test.cpp > > ) > >target_link_libraries(vk_test debug ${GLFW_LIB_D} optimized > >${GLFW_LIB}) > >add_dependencies(vk_test glfw) > >========== > > > >As you can see, I depend on the libraries compiled by the external > >project > >glfw. Unfortunately, when I first configure the project, CMake > >complains > >that it cannot find the libraries specified by ${GLFW_LIB_D} and > >${GLFW_LIB} variables. > > > >Of course, this is because CMake did not begin cloning, configuring and > >building the glfw project. That only happens AFTER my project has been > >configured and starts building. This becomes a chicken and the egg > >problem. > > > >Currently, my solution is to add dummy .lib files so that I can at > >least > >configure and generate my project. My question is, am I approaching > >this > >problem in the wrong way? If yes, what is the correct way to add a > >dependency to an external project and have it clone/configure/build > >BEFORE > >the "find_library" call? > > -- > Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail > gesendet. > -- > > 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