cmake/modules/FindOpenGl.cmake

   1 #.rst:
   2 # FindOpenGl
   3 # ----------
   4 # Finds the FindOpenGl library
   5 #
   6 # This will define the following target:
   7 #
   8 #   ${APP_NAME_LC}::OpenGl - The OpenGL library
   9
  10 if(NOT TARGET ${APP_NAME_LC}::${CMAKE_FIND_PACKAGE_NAME})
  11   find_package(PkgConfig)
  12   if(PKG_CONFIG_FOUND)
  13     pkg_check_modules(PC_OPENGL gl QUIET)
  14   endif()
  15
  16   find_library(OPENGL_gl_LIBRARY NAMES GL OpenGL
  17                                  HINTS ${PC_OPENGL_gl_LIBDIR} ${CMAKE_OSX_SYSROOT}/System/Library
  18                                  PATH_SUFFIXES Frameworks)
  19   find_path(OPENGL_INCLUDE_DIR NAMES GL/gl.h gl.h
  20                                HINTS ${PC_OPENGL_gl_INCLUDEDIR} ${OPENGL_gl_LIBRARY}/Headers)
  21
  22   include(FindPackageHandleStandardArgs)
  23   find_package_handle_standard_args(OpenGl
  24                                     REQUIRED_VARS OPENGL_gl_LIBRARY OPENGL_INCLUDE_DIR)
  25
  26   if(OPENGL_FOUND)
  27     add_library(${APP_NAME_LC}::${CMAKE_FIND_PACKAGE_NAME} UNKNOWN IMPORTED)
  28     set_target_properties(${APP_NAME_LC}::${CMAKE_FIND_PACKAGE_NAME} PROPERTIES
  29                                                                      IMPORTED_LOCATION "${OPENGL_gl_LIBRARY}"
  30                                                                      INTERFACE_INCLUDE_DIRECTORIES "${OPENGL_INCLUDE_DIR}"
  31                                                                      INTERFACE_COMPILE_DEFINITIONS HAS_GL)
  32   endif()
  33 endif()