Added FindGLEW to cmake-modules

CMakeLists.txt

@@ -12,6 +12,7 @@ add_definitions(-DSINGLETHREADED)
 add_definitions(${GCC_COMPILE_FLAGS})
 
 # dependency checking
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/externals/cmake-modules/")
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/CMakeTests)
 include(FindX11 REQUIRED)
 find_package(PkgConfig REQUIRED)
@@ -48,7 +49,6 @@ if(NOT DISABLE_QT4)
 endif()
 
 # generate git revision information
-list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/externals/cmake-modules/")
 include(GetGitRevisionDescription)
 get_git_head_revision(GIT_REF_SPEC GIT_REV)
 git_describe(GIT_DESC --always --long --dirty)

externals/cmake-modules/FindGLEW.cmake

+#
+# Try to find GLEW library and include path.
+# Once done this will define
+#
+# GLEW_FOUND
+# GLEW_INCLUDE_PATH
+# GLEW_LIBRARY
+#
+
+IF (WIN32)
+	FIND_PATH( GLEW_INCLUDE_PATH GL/glew.h
+		$ENV{PROGRAMFILES}/GLEW/include
+		${PROJECT_SOURCE_DIR}/src/nvgl/glew/include
+		DOC "The directory where GL/glew.h resides")
+	FIND_LIBRARY( GLEW_LIBRARY
+		NAMES glew GLEW glew32 glew32s
+		PATHS
+		$ENV{PROGRAMFILES}/GLEW/lib
+		${PROJECT_SOURCE_DIR}/src/nvgl/glew/bin
+		${PROJECT_SOURCE_DIR}/src/nvgl/glew/lib
+		DOC "The GLEW library")
+ELSE (WIN32)
+	FIND_PATH( GLEW_INCLUDE_PATH GL/glew.h
+		/usr/include
+		/usr/local/include
+		/sw/include
+		/opt/local/include
+		DOC "The directory where GL/glew.h resides")
+	FIND_LIBRARY( GLEW_LIBRARY
+		NAMES GLEW glew
+		PATHS
+		/usr/lib64
+		/usr/lib
+		/usr/local/lib64
+		/usr/local/lib
+		/sw/lib
+		/opt/local/lib
+		DOC "The GLEW library")
+ENDIF (WIN32)
+
+IF (GLEW_INCLUDE_PATH)
+	SET( GLEW_FOUND 1 CACHE STRING "Set to 1 if GLEW is found, 0 otherwise")
+ELSE (GLEW_INCLUDE_PATH)
+	SET( GLEW_FOUND 0 CACHE STRING "Set to 1 if GLEW is found, 0 otherwise")
+ENDIF (GLEW_INCLUDE_PATH)
+
+MARK_AS_ADVANCED( GLEW_FOUND )