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Diffstat (limited to 'dev/MinGfx/example/cmake/AutoBuildOpenGL.cmake')
-rw-r--r-- | dev/MinGfx/example/cmake/AutoBuildOpenGL.cmake | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/dev/MinGfx/example/cmake/AutoBuildOpenGL.cmake b/dev/MinGfx/example/cmake/AutoBuildOpenGL.cmake new file mode 100644 index 0000000..c74b2b8 --- /dev/null +++ b/dev/MinGfx/example/cmake/AutoBuildOpenGL.cmake @@ -0,0 +1,47 @@ +# Author: Daniel F. Keefe +# Copyright 2017,2018, Daniel F. Keefe and Regents of the University of Minnesota +# All Rights Reserved. + + +# Usage: +# AutoBuild_use_package_OpenGL( +# # The 1st argument is required. It is the name of the target you wish to link this dependency to. +# my-program +# +# # The 2nd argument is required. It impacts how dependencies are propogated through CMake. You can treat +# # this dependency as an INTERFACE, PUBLIC, or PRIVATE. See the following URL for details: +# # https://cmake.org/cmake/help/latest/command/target_include_directories.html +# PUBLIC +# ) +# +macro(AutoBuild_use_package_OpenGL YOUR_TARGET INTERFACE_PUBLIC_OR_PRIVATE) + + message(STATUS "AutoBuild: Searching for package OpenGL...") + + # Check to see if the library is already installed on the system + # CMake ships with FindOpenGL.cmake and in CMake 3.9+ it defines + # the imported targets OpenGL::GL and OpenGL::GLU. Using these is + # now the preferred way to link with OpenGL and all of its dependencies. + # See https://cmake.org/cmake/help/v3.9/module/FindOpenGL.html + find_package(OpenGL) + + if (NOT ${OPENGL_FOUND}) + message(FATAL_ERROR "AutoBuild: OpenGL was not found on the system. AutoBuild can auto-download + and build many dependencies for you, but not OpenGL. It should come pre-installed on your system.") + endif() + + message(STATUS "AutoBuild: Ok. Found OpenGL.") + message(STATUS " OpenGL headers: ${OPENGL_INCLUDE_DIR}") + message(STATUS " OpenGL libs: ${OPENGL_LIBRARIES}") + + message(STATUS "Linking target ${YOUR_TARGET} with ${INTERFACE_PUBLIC_OR_PRIVATE} dependency OpenGL::GL.") + target_link_libraries(${YOUR_TARGET} ${INTERFACE_PUBLIC_OR_PRIVATE} OpenGL::GL) + + if (${OPENGL_GLU_FOUND}) + message(STATUS "Linking target ${YOUR_TARGET} with ${INTERFACE_PUBLIC_OR_PRIVATE} dependency OpenGL::GLU.") + target_link_libraries(${YOUR_TARGET} ${INTERFACE_PUBLIC_OR_PRIVATE} OpenGL::GLU) + endif() + + target_compile_definitions(${YOUR_TARGET} ${INTERFACE_PUBLIC_OR_PRIVATE} -DUSE_OPENGL) + +endmacro() |