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-rw-r--r--Modules/FindOpenGL.cmake179
1 files changed, 88 insertions, 91 deletions
diff --git a/Modules/FindOpenGL.cmake b/Modules/FindOpenGL.cmake
index 96c4d8d..83fcc3d 100644
--- a/Modules/FindOpenGL.cmake
+++ b/Modules/FindOpenGL.cmake
@@ -28,111 +28,107 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
-if (WIN32)
- if (CYGWIN)
+set(_OpenGL_REQUIRED_VARS OPENGL_gl_LIBRARY)
- find_path(OPENGL_INCLUDE_DIR GL/gl.h )
+if (CYGWIN)
- find_library(OPENGL_gl_LIBRARY opengl32 )
+ find_path(OPENGL_INCLUDE_DIR GL/gl.h )
+ list(APPEND _OpenGL_REQUIRED_VARS OPENGL_INCLUDE_DIR)
- find_library(OPENGL_glu_LIBRARY glu32 )
+ find_library(OPENGL_gl_LIBRARY opengl32 )
- else ()
+ find_library(OPENGL_glu_LIBRARY glu32 )
- if(BORLAND)
- set (OPENGL_gl_LIBRARY import32 CACHE STRING "OpenGL library for win32")
- set (OPENGL_glu_LIBRARY import32 CACHE STRING "GLU library for win32")
- else()
- set (OPENGL_gl_LIBRARY opengl32 CACHE STRING "OpenGL library for win32")
- set (OPENGL_glu_LIBRARY glu32 CACHE STRING "GLU library for win32")
- endif()
-
- endif ()
+elseif (WIN32)
-else ()
+ if(BORLAND)
+ set (OPENGL_gl_LIBRARY import32 CACHE STRING "OpenGL library for win32")
+ set (OPENGL_glu_LIBRARY import32 CACHE STRING "GLU library for win32")
+ else()
+ set (OPENGL_gl_LIBRARY opengl32 CACHE STRING "OpenGL library for win32")
+ set (OPENGL_glu_LIBRARY glu32 CACHE STRING "GLU library for win32")
+ endif()
- if (APPLE)
+elseif (APPLE)
- find_library(OPENGL_gl_LIBRARY OpenGL DOC "OpenGL lib for OSX")
- find_library(OPENGL_glu_LIBRARY AGL DOC "AGL lib for OSX")
- find_path(OPENGL_INCLUDE_DIR OpenGL/gl.h DOC "Include for OpenGL on OSX")
+ find_library(OPENGL_gl_LIBRARY OpenGL DOC "OpenGL lib for OSX")
+ find_library(OPENGL_glu_LIBRARY AGL DOC "AGL lib for OSX")
+ find_path(OPENGL_INCLUDE_DIR OpenGL/gl.h DOC "Include for OpenGL on OSX")
+ list(APPEND _OpenGL_REQUIRED_VARS OPENGL_INCLUDE_DIR)
- else()
- if (CMAKE_SYSTEM_NAME MATCHES "HP-UX")
- # Handle HP-UX cases where we only want to find OpenGL in either hpux64
- # or hpux32 depending on if we're doing a 64 bit build.
- if(CMAKE_SIZEOF_VOID_P EQUAL 4)
- set(_OPENGL_LIB_PATH
- /opt/graphics/OpenGL/lib/hpux32/)
- else()
- set(_OPENGL_LIB_PATH
- /opt/graphics/OpenGL/lib/hpux64/
- /opt/graphics/OpenGL/lib/pa20_64)
- endif()
- elseif(CMAKE_SYSTEM_NAME STREQUAL Haiku)
+else()
+ if (CMAKE_SYSTEM_NAME MATCHES "HP-UX")
+ # Handle HP-UX cases where we only want to find OpenGL in either hpux64
+ # or hpux32 depending on if we're doing a 64 bit build.
+ if(CMAKE_SIZEOF_VOID_P EQUAL 4)
set(_OPENGL_LIB_PATH
- /boot/develop/lib/x86)
- set(_OPENGL_INCLUDE_PATH
- /boot/develop/headers/os/opengl)
+ /opt/graphics/OpenGL/lib/hpux32/)
+ else()
+ set(_OPENGL_LIB_PATH
+ /opt/graphics/OpenGL/lib/hpux64/
+ /opt/graphics/OpenGL/lib/pa20_64)
endif()
+ elseif(CMAKE_SYSTEM_NAME STREQUAL Haiku)
+ set(_OPENGL_LIB_PATH
+ /boot/develop/lib/x86)
+ set(_OPENGL_INCLUDE_PATH
+ /boot/develop/headers/os/opengl)
+ endif()
- # The first line below is to make sure that the proper headers
- # are used on a Linux machine with the NVidia drivers installed.
- # They replace Mesa with NVidia's own library but normally do not
- # install headers and that causes the linking to
- # fail since the compiler finds the Mesa headers but NVidia's library.
- # Make sure the NVIDIA directory comes BEFORE the others.
- # - Atanas Georgiev <atanas@cs.columbia.edu>
-
- find_path(OPENGL_INCLUDE_DIR GL/gl.h
- /usr/share/doc/NVIDIA_GLX-1.0/include
- /usr/openwin/share/include
- /opt/graphics/OpenGL/include /usr/X11R6/include
- ${_OPENGL_INCLUDE_PATH}
- )
-
- find_path(OPENGL_xmesa_INCLUDE_DIR GL/xmesa.h
- /usr/share/doc/NVIDIA_GLX-1.0/include
- /usr/openwin/share/include
- /opt/graphics/OpenGL/include /usr/X11R6/include
- )
-
- find_library(OPENGL_gl_LIBRARY
- NAMES GL MesaGL
- PATHS /opt/graphics/OpenGL/lib
- /usr/openwin/lib
- /usr/shlib /usr/X11R6/lib
- ${_OPENGL_LIB_PATH}
- )
-
- unset(_OPENGL_INCLUDE_PATH)
- unset(_OPENGL_LIB_PATH)
-
- # On Unix OpenGL most certainly always requires X11.
- # Feel free to tighten up these conditions if you don't
- # think this is always true.
- # It's not true on OSX.
-
- if (OPENGL_gl_LIBRARY)
- if(NOT X11_FOUND)
- include(${CMAKE_CURRENT_LIST_DIR}/FindX11.cmake)
- endif()
- if (X11_FOUND)
- if (NOT APPLE)
- set (OPENGL_LIBRARIES ${X11_LIBRARIES})
- endif ()
- endif ()
+ # The first line below is to make sure that the proper headers
+ # are used on a Linux machine with the NVidia drivers installed.
+ # They replace Mesa with NVidia's own library but normally do not
+ # install headers and that causes the linking to
+ # fail since the compiler finds the Mesa headers but NVidia's library.
+ # Make sure the NVIDIA directory comes BEFORE the others.
+ # - Atanas Georgiev <atanas@cs.columbia.edu>
+
+ find_path(OPENGL_INCLUDE_DIR GL/gl.h
+ /usr/share/doc/NVIDIA_GLX-1.0/include
+ /usr/openwin/share/include
+ /opt/graphics/OpenGL/include /usr/X11R6/include
+ ${_OPENGL_INCLUDE_PATH}
+ )
+ list(APPEND _OpenGL_REQUIRED_VARS OPENGL_INCLUDE_DIR)
+
+ find_path(OPENGL_xmesa_INCLUDE_DIR GL/xmesa.h
+ /usr/share/doc/NVIDIA_GLX-1.0/include
+ /usr/openwin/share/include
+ /opt/graphics/OpenGL/include /usr/X11R6/include
+ )
+
+ find_library(OPENGL_gl_LIBRARY
+ NAMES GL MesaGL
+ PATHS /opt/graphics/OpenGL/lib
+ /usr/openwin/lib
+ /usr/shlib /usr/X11R6/lib
+ ${_OPENGL_LIB_PATH}
+ )
+
+ unset(_OPENGL_INCLUDE_PATH)
+ unset(_OPENGL_LIB_PATH)
+
+ # On Unix OpenGL most certainly always requires X11.
+ # Feel free to tighten up these conditions if you don't
+ # think this is always true.
+
+ if (OPENGL_gl_LIBRARY)
+ if(NOT X11_FOUND)
+ include(${CMAKE_CURRENT_LIST_DIR}/FindX11.cmake)
+ endif()
+ if (X11_FOUND)
+ set (OPENGL_LIBRARIES ${X11_LIBRARIES})
endif ()
+ endif ()
- find_library(OPENGL_glu_LIBRARY
- NAMES GLU MesaGLU
- PATHS ${OPENGL_gl_LIBRARY}
- /opt/graphics/OpenGL/lib
- /usr/openwin/lib
- /usr/shlib /usr/X11R6/lib
- )
+ find_library(OPENGL_glu_LIBRARY
+ NAMES GLU MesaGLU
+ PATHS ${OPENGL_gl_LIBRARY}
+ /opt/graphics/OpenGL/lib
+ /usr/openwin/lib
+ /usr/shlib /usr/X11R6/lib
+ )
- endif()
endif ()
if(OPENGL_gl_LIBRARY)
@@ -162,7 +158,8 @@ set(OPENGL_INCLUDE_PATH ${OPENGL_INCLUDE_DIR})
# handle the QUIETLY and REQUIRED arguments and set OPENGL_FOUND to TRUE if
# all listed variables are TRUE
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenGL DEFAULT_MSG OPENGL_gl_LIBRARY)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenGL REQUIRED_VARS ${_OpenGL_REQUIRED_VARS})
+unset(_OpenGL_REQUIRED_VARS)
mark_as_advanced(
OPENGL_INCLUDE_DIR