Zengtudor/glew-cmake
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Modernize cmake

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This commit is contained in:
Gyusun Yeom 2020-12-29 22:56:02 +09:00
parent b7aa06157b
commit a79115599b
1 changed files with 48 additions and 24 deletions
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72
CMakeLists.txt
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@ -14,7 +14,7 @@ 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|libglewmx_static|libglew_shared|libglewmx_shared" 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]+.*")
@ -36,31 +36,56 @@ 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 LEGACY)
set(OpenGL_GL_PREFERENCE GLVND)
endif()
find_package(OpenGL REQUIRED)
set(pc_requires)
if(NOT USE_GLU)
list(APPEND DEFINITIONS -DGLEW_NO_GLU)
set(pc_requires)
else()
set(pc_requires REQUIRES glu)
list(APPEND LIBRARIES OpenGL::GLU)
if(NOT OPENGL_GLU_FOUND)
message(FATAL_ERROR "GLU is not found. but GLU option is enabled")
endif()
endif( )
if(WIN32)
list(APPEND LIBRARIES opengl32)
elseif(APPLE)
find_library(GL_LIBRARY OpenGL)
find_library(AGL_LIBRARY AGL)
list(APPEND LIBRARIES ${GL_LIBRARY} ${AGL_LIBRARY})
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 GL X11 dl Xext)
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)
@ -72,10 +97,7 @@ if(glew-cmake_BUILD_STATIC)
OUTPUT_NAME "glew"
DEBUG_POSTFIX d)
target_include_directories(libglew_static PUBLIC ${INCLUDE_DIR})
target_compile_definitions(libglew_static PUBLIC GLEW_STATIC ${DEFINITIONS})
target_link_libraries(libglew_static ${LIBRARIES} )
set_target_properties(libglew_static PROPERTIES VERSION ${GLEW_VERSION})
target_compile_definitions(libglew_static PUBLIC GLEW_STATIC)
list(APPEND GLEW_TARGETS libglew_static)
endif()
@ -92,20 +114,22 @@ if(glew-cmake_BUILD_SHARED)
DEBUG_POSTFIX d)
endif()
target_compile_definitions(libglew_shared PRIVATE GLEW_BUILD ${DEFINITIONS})
target_include_directories(libglew_shared PUBLIC ${INCLUDE_DIR})
target_link_libraries(libglew_shared ${LIBRARIES})
set_target_properties(libglew_shared PROPERTIES VERSION ${GLEW_VERSION})
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
${pc_requires})
add_library(glew ALIAS ${PKG_CONFIG_REPRESENTATIVE_TARGET})
list(APPEND GLEW_TARGETS glew)
REQUIRES ${pc_requires})
endif()
install(TARGETS ${GLEW_TARGETS}