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authorBrad King <brad.king@kitware.com>2016-12-02 19:34:41 (GMT)
committerBrad King <brad.king@kitware.com>2016-12-02 20:11:49 (GMT)
commit027ce359ff7454ac0aca4d9a9208759ef4b9c8b7 (patch)
treeafdd06ef04418b23e20c39e522552bf778ed3ebb /Modules/FindOpenGL.cmake
parent738a182a90dd29ce16376ab03a08c718b8068867 (diff)
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FindOpenGL: Provide imported targets for GL and GLU
Create OpenGL::GL and OpenGL::GLU imported targets using the locations found. This feature was originally added by commit v3.1.0-rc1~420^2~2 (FindOpenGL: Provide imported targets for GL and GLU, 2014-05-31) but had to be reverted by commit v3.1.0-rc3~10^2 (FindOpenGL: Revert support for imported targets, 2014-12-01) due to issue #15267. Since then we added support for `IMPORTED_LIBNAME` to interface libraries, so use it to handle the case where we have only the library name without an absolute path. Inspired-by: Philipp Möller <bootsarehax@googlemail.com> Closes: #15267
Diffstat (limited to 'Modules/FindOpenGL.cmake')
-rw-r--r--Modules/FindOpenGL.cmake59
1 files changed, 59 insertions, 0 deletions
diff --git a/Modules/FindOpenGL.cmake b/Modules/FindOpenGL.cmake
index 295de65..503d955 100644
--- a/Modules/FindOpenGL.cmake
+++ b/Modules/FindOpenGL.cmake
@@ -7,6 +7,16 @@
#
# FindModule for OpenGL and GLU.
#
+# IMPORTED Targets
+# ^^^^^^^^^^^^^^^^
+#
+# This module defines the :prop_tgt:`IMPORTED` targets:
+#
+# ``OpenGL::GL``
+# Defined if the system has OpenGL.
+# ``OpenGL::GLU``
+# Defined if the system has GLU.
+#
# Result Variables
# ^^^^^^^^^^^^^^^^
#
@@ -160,6 +170,55 @@ include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(OpenGL REQUIRED_VARS ${_OpenGL_REQUIRED_VARS})
unset(_OpenGL_REQUIRED_VARS)
+# OpenGL:: targets
+if(OPENGL_FOUND)
+ if(NOT TARGET OpenGL::GL)
+ if(IS_ABSOLUTE "${OPENGL_gl_LIBRARY}")
+ add_library(OpenGL::GL UNKNOWN IMPORTED)
+ if(OPENGL_gl_LIBRARY MATCHES "/([^/]+)\\.framework$")
+ set(_gl_fw "${OPENGL_gl_LIBRARY}/${CMAKE_MATCH_1}")
+ if(EXISTS "${_gl_fw}.tbd")
+ set(_gl_fw "${_gl_fw}.tbd")
+ endif()
+ set_target_properties(OpenGL::GL PROPERTIES
+ IMPORTED_LOCATION "${_gl_fw}")
+ else()
+ set_target_properties(OpenGL::GL PROPERTIES
+ IMPORTED_LOCATION "${OPENGL_gl_LIBRARY}")
+ endif()
+ else()
+ add_library(OpenGL::GL INTERFACE IMPORTED)
+ set_target_properties(OpenGL::GL PROPERTIES
+ IMPORTED_LIBNAME "${OPENGL_gl_LIBRARY}")
+ endif()
+ set_target_properties(OpenGL::GL PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${OPENGL_INCLUDE_DIR}")
+ endif()
+
+ if(OPENGL_GLU_FOUND AND NOT TARGET OpenGL::GLU)
+ if(IS_ABSOLUTE "${OPENGL_glu_LIBRARY}")
+ add_library(OpenGL::GLU UNKNOWN IMPORTED)
+ if(OPENGL_glu_LIBRARY MATCHES "/([^/]+)\\.framework$")
+ set(_glu_fw "${OPENGL_glu_LIBRARY}/${CMAKE_MATCH_1}")
+ if(EXISTS "${_glu_fw}.tbd")
+ set(_glu_fw "${_glu_fw}.tbd")
+ endif()
+ set_target_properties(OpenGL::GLU PROPERTIES
+ IMPORTED_LOCATION "${_glu_fw}")
+ else()
+ set_target_properties(OpenGL::GLU PROPERTIES
+ IMPORTED_LOCATION "${OPENGL_glu_LIBRARY}")
+ endif()
+ else()
+ add_library(OpenGL::GLU INTERFACE IMPORTED)
+ set_target_properties(OpenGL::GLU PROPERTIES
+ IMPORTED_LIBNAME "${OPENGL_glu_LIBRARY}")
+ endif()
+ set_target_properties(OpenGL::GLU PROPERTIES
+ INTERFACE_LINK_LIBRARIES OpenGL::GL)
+ endif()
+endif()
+
mark_as_advanced(
OPENGL_INCLUDE_DIR
OPENGL_xmesa_INCLUDE_DIR