From 706e22a12bf89aa2d75b5a7b0437d4f8135761df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Tue, 21 Oct 2014 08:33:51 +0200
Subject: [PATCH] Do not find OpenGL or OpenGLES

As we use epoxy we don't need them any more. KWin compiles, links and
runs just fine without ever trying to find OpenGL or OpenGLES.

BUG: 340170
FIXED-IN: 5.2.0
---
 CMakeLists.txt                   | 18 ++---------
 cmake/modules/FindOpenGLES.cmake | 52 --------------------------------
 2 files changed, 2 insertions(+), 68 deletions(-)
 delete mode 100644 cmake/modules/FindOpenGLES.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f88a16c9fe..ea65c001d1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -106,20 +106,6 @@ set_package_properties(KF5Wayland PROPERTIES
                       )
 add_feature_info("KF5Wayland" KF5Wayland_FOUND "Required for Wayland Compositor Information Module")
 
-if(${Qt5Gui_OPENGL_IMPLEMENTATION} STREQUAL "GL")
-    find_package(OpenGL)
-    set_package_properties(OpenGL PROPERTIES DESCRIPTION "The OpenGL libraries"
-                        URL "http://www.opengl.org"
-                        TYPE REQUIRED
-                        )
-else()
-    find_package(OpenGLES)
-    set_package_properties(OpenGLES PROPERTIES DESCRIPTION "The OpenGLES libraries"
-                        URL "http://www.khronos.org/opengles"
-                        TYPE REQUIRED
-                        )
-endif()
-
 find_package(EGL)
 set_package_properties(EGL PROPERTIES
                        TYPE RUNTIME
@@ -234,11 +220,11 @@ cmake_dependent_option(KWIN_BUILD_KAPPMENU "Build without appmenu support" ON "K
 
 set(KWIN_BUILD_OPENGL FALSE)
 set(KWIN_BUILD_OPENGLES FALSE)
-if(OPENGL_FOUND AND (${Qt5Gui_OPENGL_IMPLEMENTATION} STREQUAL "GL"))
+if(${Qt5Gui_OPENGL_IMPLEMENTATION} STREQUAL "GL")
     set(KWIN_BUILD_OPENGL TRUE)
     message("Building KWin with OpenGL support")
 endif()
-if(OPENGLES_FOUND AND (${Qt5Gui_OPENGL_IMPLEMENTATION} STREQUAL "GLESv2"))
+if(${Qt5Gui_OPENGL_IMPLEMENTATION} STREQUAL "GLESv2")
     set(KWIN_BUILD_OPENGLES TRUE)
     message("Building KWin with OpenGL ES 2 support")
 endif()
diff --git a/cmake/modules/FindOpenGLES.cmake b/cmake/modules/FindOpenGLES.cmake
deleted file mode 100644
index 60b07e2934..0000000000
--- a/cmake/modules/FindOpenGLES.cmake
+++ /dev/null
@@ -1,52 +0,0 @@
-# - Try to find OpenGLES
-# Once done this will define
-#  
-#  OPENGLES_FOUND           - system has OpenGLES and EGL
-#  OPENGL_EGL_FOUND         - system has EGL
-#  OPENGLES_INCLUDE_DIR     - the GLES include directory
-#  OPENGLES_LIBRARY	    - the GLES library
-#  OPENGLES_EGL_INCLUDE_DIR - the EGL include directory
-#  OPENGLES_EGL_LIBRARY	    - the EGL library
-#  OPENGLES_LIBRARIES       - all libraries needed for OpenGLES
-#  OPENGLES_INCLUDES        - all includes needed for OpenGLES
-
-FIND_PATH(OPENGLES_INCLUDE_DIR GLES2/gl2.h
-  /usr/openwin/share/include
-  /opt/graphics/OpenGL/include /usr/X11R6/include
-  /usr/include
-)
-
-FIND_LIBRARY(OPENGLES_LIBRARY
-  NAMES GLESv2
-  PATHS /opt/graphics/OpenGL/lib
-        /usr/openwin/lib
-        /usr/shlib /usr/X11R6/lib
-        /usr/lib
-)
-
-FIND_PATH(OPENGLES_EGL_INCLUDE_DIR EGL/egl.h
-  /usr/openwin/share/include
-  /opt/graphics/OpenGL/include /usr/X11R6/include
-  /usr/include
-)
-
-FIND_LIBRARY(OPENGLES_EGL_LIBRARY
-    NAMES EGL
-    PATHS /usr/shlib /usr/X11R6/lib
-          /usr/lib
-)
-
-SET(OPENGL_EGL_FOUND "NO")
-IF(OPENGLES_EGL_LIBRARY AND OPENGLES_EGL_INCLUDE_DIR)
-    SET(OPENGL_EGL_FOUND "YES")
-ENDIF()
-
-SET(OPENGLES_FOUND "NO")
-IF(OPENGLES_LIBRARY AND OPENGLES_INCLUDE_DIR AND
-   OPENGLES_EGL_LIBRARY AND OPENGLES_EGL_INCLUDE_DIR)
-    SET(OPENGLES_LIBRARIES ${OPENGLES_LIBRARY} ${OPENGLES_LIBRARIES}
-                           ${OPENGLES_EGL_LIBRARY})
-    SET(OPENGLES_INCLUDES ${OPENGLES_INCLUDE_DIR} ${OPENGLES_EGL_INCLUDE_DIR})
-    SET(OPENGLES_FOUND "YES")
-ENDIF()
-