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INCLUDE(ExternalProject)
SET(prefix ${PROJECT_BINARY_DIR}/third_party/glb)
SET(LIB_POSTFIX "")
IF (${CMAKE_BUILD_TYPE} STREQUAL "Debug")
SET(LIB_POSTFIX "d")
ENDIF()
SET(glbinding_location ${prefix}/lib/${CMAKE_STATIC_LIBRARY_PREFIX}glbinding${LIB_POSTFIX}${CMAKE_STATIC_LIBRARY_SUFFIX})
IF(CMAKE_VERSION VERSION_LESS 3.2)
IF(CMAKE_GENERATOR MATCHES "Ninja")
MESSAGE(WARNING "Building with Ninja has known issues with CMake older than 3.2")
endif()
SET(byproducts)
ELSE()
SET(byproducts BYPRODUCTS ${glbinding_location})
ENDIF()
IF(UNIX)
SET(CXXFLAGS "${CMAKE_CXX_FLAGS} -w -fPIC")
SET(CFLAGS "${CMAKE_C_FLAGS} -w -fPIC")
ENDIF(UNIX)
ExternalProject_Add(
glb-ext
GIT_REPOSITORY https://github.com/cginternals/glbinding.git
GIT_TAG v2.1.1
UPDATE_COMMAND ""
PREFIX "${prefix}"
INSTALL_DIR "${prefix}"
CONFIGURE_COMMAND ${CMAKE_COMMAND} -Wno-dev "-G${CMAKE_GENERATOR}" <SOURCE_DIR>
-DCMAKE_CXX_COMPILER:FILEPATH=${CMAKE_CXX_COMPILER}
-DCMAKE_CXX_FLAGS:STRING=${CXXFLAGS}
-DCMAKE_C_COMPILER:FILEPATH=${CMAKE_C_COMPILER}
-DCMAKE_C_FLAGS:STRING=${CFLAGS}
-DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
-DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
-DBUILD_SHARED_LIBS:BOOL=OFF
-DOPTION_BUILD_TESTS:BOOL=OFF
-DGLFW_LIBRARY_RELEASE:PATH=${GLFW_LIBRARY}
-DGLFW_LIBRARY_DEBUG:PATH=${GLFW_LIBRARY}
${byproducts}
)
ADD_LIBRARY(glbinding IMPORTED STATIC)
ExternalProject_Get_Property(glb-ext install_dir)
SET_TARGET_PROPERTIES(glbinding PROPERTIES IMPORTED_LOCATION ${glbinding_location})
ADD_DEPENDENCIES(glbinding glb-ext)
SET(GLBINDING_INCLUDE_DIRS ${install_dir}/include CACHE INTERNAL "" FORCE)
SET(GLBINDING_LIBRARIES ${glbinding_location} CACHE INTERNAL "" FORCE)
SET(GLBINDING_FOUND ON CACHE INTERNAL "" FORCE)
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