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FindGLUT.cmake 5.19 KB
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  #.rst:
  # FindGLUT
  # --------
  #
  # try to find glut library and include files.
  #
  # IMPORTED Targets
  # ^^^^^^^^^^^^^^^^
  #
  # This module defines the :prop_tgt:`IMPORTED` targets:
  #
  # ``GLUT::GLUT``
  #  Defined if the system has GLUT.
  #
  # Result Variables
  # ^^^^^^^^^^^^^^^^
  #
  # This module sets the following variables:
  #
  # ::
  #
  #   GLUT_INCLUDE_DIR, where to find GL/glut.h, etc.
  #   GLUT_LIBRARIES, the libraries to link against
  #   GLUT_FOUND, If false, do not try to use GLUT.
  #
  # Also defined, but not for general use are:
  #
  # ::
  #
  #   GLUT_glut_LIBRARY = the full path to the glut library.
  #   GLUT_Xmu_LIBRARY  = the full path to the Xmu library.
  #   GLUT_Xi_LIBRARY   = the full path to the Xi Library.
  
  #=============================================================================
  # Copyright 2001-2009 Kitware, Inc.
  #
  # Distributed under the OSI-approved BSD License (the "License");
  # see accompanying file Copyright.txt for details.
  #
  # This software is distributed WITHOUT ANY WARRANTY; without even the
  # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  # See the License for more information.
  #=============================================================================
  # (To distribute this file outside of CMake, substitute the full
  #  License text for the above reference.)
  
  if (WIN32)
    find_path( GLUT_INCLUDE_DIR NAMES GL/glut.h
    PATHS  $ENV{GLUT_ROOT_PATH}/include )
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    if( CMAKE_SIZEOF_VOID_P EQUAL 8 )
      find_library( GLUT_glut_LIBRARY NAMES freeglut
        PATHS
        $ENV{GLUT_ROOT_PATH}/lib/x64
  
        NO_DEFAULT_PATH
      )
      message("GLUT 64-bit detected:")
      message(${GLUT_glut_LIBRARY})
    else( CMAKE_SIZEOF_VOID_P EQUAL 8 )
      find_library( GLUT_glut_LIBRARY NAMES glut glut32 freeglut
        PATHS
        ${OPENGL_LIBRARY_DIR}
        $ENV{GLUT_ROOT_PATH}/lib
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      )
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      message("GLUT 32-bit detected")
  
    endif( CMAKE_SIZEOF_VOID_P EQUAL 8 )
  
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  else ()
  
    if (APPLE)
      find_path(GLUT_INCLUDE_DIR glut.h ${OPENGL_LIBRARY_DIR})
      find_library(GLUT_glut_LIBRARY GLUT DOC "GLUT library for OSX")
      find_library(GLUT_cocoa_LIBRARY Cocoa DOC "Cocoa framework for OSX")
  
      if(GLUT_cocoa_LIBRARY AND NOT TARGET GLUT::Cocoa)
        add_library(GLUT::Cocoa UNKNOWN IMPORTED)
        # Cocoa should always be a Framework, but we check to make sure.
        if(GLUT_cocoa_LIBRARY MATCHES "/([^/]+)\\.framework$")
          set_target_properties(GLUT::Cocoa PROPERTIES
            IMPORTED_LOCATION "${GLUT_cocoa_LIBRARY}/${CMAKE_MATCH_1}")
        else()
          set_target_properties(GLUT::Cocoa PROPERTIES
            IMPORTED_LOCATION "${GLUT_cocoa_LIBRARY}")
        endif()
      endif()
    else ()
  
      if (BEOS)
  
        set(_GLUT_INC_DIR /boot/develop/headers/os/opengl)
        set(_GLUT_glut_LIB_DIR /boot/develop/lib/x86)
  
      else()
  
        find_library( GLUT_Xi_LIBRARY Xi
          /usr/openwin/lib
          )
  
        find_library( GLUT_Xmu_LIBRARY Xmu
          /usr/openwin/lib
          )
  
        if(GLUT_Xi_LIBRARY AND NOT TARGET GLUT::Xi)
          add_library(GLUT::Xi UNKNOWN IMPORTED)
          set_target_properties(GLUT::Xi PROPERTIES
            IMPORTED_LOCATION "${GLUT_Xi_LIBRARY}")
        endif()
  
        if(GLUT_Xmu_LIBRARY AND NOT TARGET GLUT::Xmu)
          add_library(GLUT::Xmu UNKNOWN IMPORTED)
          set_target_properties(GLUT::Xmu PROPERTIES
            IMPORTED_LOCATION "${GLUT_Xmu_LIBRARY}")
        endif()
  
      endif ()
  
      find_path( GLUT_INCLUDE_DIR GL/glut.h
        /usr/include/GL
        /usr/openwin/share/include
        /usr/openwin/include
        /opt/graphics/OpenGL/include
        /opt/graphics/OpenGL/contrib/libglut
        ${_GLUT_INC_DIR}
        )
  
      find_library( GLUT_glut_LIBRARY glut
        /usr/openwin/lib
        ${_GLUT_glut_LIB_DIR}
        )
  
      unset(_GLUT_INC_DIR)
      unset(_GLUT_glut_LIB_DIR)
  
    endif ()
  
  endif ()
  
  FIND_PACKAGE_HANDLE_STANDARD_ARGS(GLUT REQUIRED_VARS GLUT_glut_LIBRARY GLUT_INCLUDE_DIR)
  
  if (GLUT_FOUND)
    # Is -lXi and -lXmu required on all platforms that have it?
    # If not, we need some way to figure out what platform we are on.
    set( GLUT_LIBRARIES
      ${GLUT_glut_LIBRARY}
      ${GLUT_Xmu_LIBRARY}
      ${GLUT_Xi_LIBRARY}
      ${GLUT_cocoa_LIBRARY}
      )
  
    if(NOT TARGET GLUT::GLUT)
      add_library(GLUT::GLUT UNKNOWN IMPORTED)
      set_target_properties(GLUT::GLUT PROPERTIES
        INTERFACE_INCLUDE_DIRECTORIES "${GLUT_INCLUDE_DIR}")
      if(GLUT_glut_LIBRARY MATCHES "/([^/]+)\\.framework$")
        set_target_properties(GLUT::GLUT PROPERTIES
          IMPORTED_LOCATION "${GLUT_glut_LIBRARY}/${CMAKE_MATCH_1}")
      else()
        set_target_properties(GLUT::GLUT PROPERTIES
          IMPORTED_LOCATION "${GLUT_glut_LIBRARY}")
      endif()
  
      if(TARGET GLUT::Xmu)
        set_property(TARGET GLUT::GLUT APPEND
          PROPERTY INTERFACE_LINK_LIBRARIES GLUT::Xmu)
      endif()
  
      if(TARGET GLUT::Xi)
        set_property(TARGET GLUT::GLUT APPEND
          PROPERTY INTERFACE_LINK_LIBRARIES GLUT::Xi)
      endif()
  
      if(TARGET GLUT::Cocoa)
        set_property(TARGET GLUT::GLUT APPEND
          PROPERTY INTERFACE_LINK_LIBRARIES GLUT::Cocoa)
      endif()
    endif()
  
    #The following deprecated settings are for backwards compatibility with CMake1.4
    set (GLUT_LIBRARY ${GLUT_LIBRARIES})
    set (GLUT_INCLUDE_PATH ${GLUT_INCLUDE_DIR})
  endif()
  
  mark_as_advanced(
    GLUT_INCLUDE_DIR
    GLUT_glut_LIBRARY
    GLUT_Xmu_LIBRARY
    GLUT_Xi_LIBRARY
    )