cmake_minimum_required(VERSION 2.8.12) project("glew") set(SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/src) set(INCLUDE_DIR "$$") set(RC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/build) set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/lib) set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/lib) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin) include("GeneratePkgConfig.cmake") option(glew-cmake_BUILD_SHARED "Build the shared glew library" ON) option(glew-cmake_BUILD_STATIC "Build the static glew library" ON) option(USE_GLU "Use GLU" OFF) option(PKG_CONFIG_REPRESENTATIVE_TARGET "Generate pc file for specified target as glew. libglew_static|libglew_shared" OFF) option(ONLY_LIBS "Do not build executables" OFF) file(STRINGS ${CMAKE_CURRENT_SOURCE_DIR}/config/version _VERSION_MAJOR_STRING REGEX "GLEW_MAJOR[ ]*=[ ]*[0-9]+.*") string(REGEX REPLACE "GLEW_MAJOR[ ]*=[ ]*([0-9]+)" "\\1" CPACK_PACKAGE_VERSION_MAJOR ${_VERSION_MAJOR_STRING}) file(STRINGS ${CMAKE_CURRENT_SOURCE_DIR}/config/version _VERSION_MINOR_STRING REGEX "GLEW_MINOR[ ]*=[ ]*[0-9]+.*") string(REGEX REPLACE "GLEW_MINOR[ ]*=[ ]*([0-9]+)" "\\1" CPACK_PACKAGE_VERSION_MINOR ${_VERSION_MINOR_STRING}) file(STRINGS ${CMAKE_CURRENT_SOURCE_DIR}/config/version _VERSION_PATCH_STRING REGEX "GLEW_MICRO[ ]*=[ ]*[0-9]+.*") string(REGEX REPLACE "GLEW_MICRO[ ]*=[ ]*([0-9]+)" "\\1" CPACK_PACKAGE_VERSION_PATCH ${_VERSION_PATCH_STRING}) set(GLEW_VERSION ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH}) set(LIBGLEW_SRCS ${SRC_DIR}/glew.c) set(DEFINITIONS) if(WIN32) list(APPEND DEFINITIONS -DWIN32_MEAN_AND_LEAN -DVC_EXTRALEAN -D_CRT_SECURE_NO_WARNINGS) endif() if(MSVC) list(APPEND LIBGLEW_SRCS ${RC_DIR}/glew.rc) endif() # Use namespaced libraries when supported if(${CMAKE_VERSION} VERSION_GREATER 3.14) set(USE_NAMESPACED_LIB YES) else() set(USE_NAMESPACED_LIB NO) endif() if(POLICY CMP0072) set(OpenGL_GL_PREFERENCE GLVND) endif() find_package(OpenGL REQUIRED) set(pc_requires) if(NOT USE_GLU) list(APPEND DEFINITIONS -DGLEW_NO_GLU) else() if(NOT OPENGL_GLU_FOUND) message(FATAL_ERROR "GLU is not found. but GLU option is enabled") endif() list(APPEND pc_requires glu) if(USE_NAMESPACED_LIB) list(APPEND LIBRARIES OpenGL::GLU) else() list(APPEND LIBRARIES OPENGL_glu_LIBRARY) endif() endif() list(APPEND pc_requires gl) if(USE_NAMESPACED_LIB) list(APPEND LIBRARIES OpenGL::GL) else() list(APPEND LIBRARIES OPENGL_opengl_LIBRARY) endif() if(APPLE) find_library(AGL_LIBRARY AGL) list(APPEND LIBRARIES ${AGL_LIBRARY}) elseif(NOT WIN32) find_package(X11 REQUIRED) list(APPEND pc_requires x11 xext) if(USE_NAMESPACED_LIB) list(APPEND LIBRARIES X11::X11 X11::Xext) else() list(APPEND LIBRARIES X11_X11_LIB X11_Xext_LIB) endif() endif() set(GLEW_TARGETS) if(glew-cmake_BUILD_STATIC) add_library(libglew_static STATIC ${LIBGLEW_SRCS}) set_target_properties(libglew_static PROPERTIES OUTPUT_NAME "glew" DEBUG_POSTFIX d) target_compile_definitions(libglew_static PUBLIC GLEW_STATIC) list(APPEND GLEW_TARGETS libglew_static) endif() if(glew-cmake_BUILD_SHARED) add_library(libglew_shared SHARED ${LIBGLEW_SRCS}) if(glew-cmake_BUILD_STATIC) set_target_properties(libglew_shared PROPERTIES OUTPUT_NAME "glew-shared" DEBUG_POSTFIX d) else() set_target_properties(libglew_shared PROPERTIES OUTPUT_NAME "glew" DEBUG_POSTFIX d) endif() target_compile_definitions(libglew_shared PRIVATE GLEW_BUILD) list(APPEND GLEW_TARGETS libglew_shared) endif() foreach(GLEW_TARGET ${GLEW_TARGETS}) target_compile_definitions(${GLEW_TARGET} PUBLIC ${DEFINITIONS}) target_include_directories(${GLEW_TARGET} PUBLIC ${INCLUDE_DIR}) target_link_libraries(${GLEW_TARGET} ${LIBRARIES}) set_target_properties(${GLEW_TARGET} PROPERTIES VERSION ${GLEW_VERSION}) endforeach() if(PKG_CONFIG_REPRESENTATIVE_TARGET) GeneratePkgConfigFile(${PKG_CONFIG_REPRESENTATIVE_TARGET} "The OpenGL Extension Wrangler library" NAME "glew" LIBRARY_DIR lib REQUIRES ${pc_requires}) endif() install(TARGETS ${GLEW_TARGETS} EXPORT glew-cmake ARCHIVE DESTINATION lib) install(EXPORT glew-cmake DESTINATION lib/cmake/glew FILE glewConfig.cmake) file(GLOB PUBLIC_HEADERS "include/GL/*.h") install(FILES ${PUBLIC_HEADERS} DESTINATION include/GL/) if(${CMAKE_CURRENT_SOURCE_DIR} STREQUAL ${CMAKE_SOURCE_DIR} AND NOT ONLY_LIBS) set(GLEWINFO_SRCS ${SRC_DIR}/glewinfo.c) set(VISUALINFO_SRCS ${SRC_DIR}/visualinfo.c) if(MSVS) list(APPEND GLEWINFO_SRCS ${RC_DIR}/glewinfo.rc) list(APPEND VISUALINFO_SRCS ${RC_DIR}/visualinfo.rc) endif() add_executable(glewinfo ${GLEWINFO_SRCS}) add_executable(visualinfo ${VISUALINFO_SRCS}) if(glew-cmake_BUILD_STATIC) target_link_libraries(glewinfo libglew_static) target_link_libraries(visualinfo libglew_static) else() target_link_libraries(glewinfo libglew_shared) target_link_libraries(visualinfo libglew_shared) endif() install(TARGETS glewinfo visualinfo DESTINATION bin) endif()