added Find*.cmake files and cmake/modules directory

cmake/modules/FindGLFW3.cmake

@@ -0,0 +1,47 @@
+# Locate the glfw3 library
+#
+# This module defines the following variables:
+#
+# GLFW3_LIBRARY the name of the library;
+# GLFW3_INCLUDE_DIR where to find glfw include files.
+# GLFW3_FOUND true if both the GLFW3_LIBRARY and GLFW3_INCLUDE_DIR have been found.
+#
+# To help locate the library and include file, you can define a
+# variable called GLFW3_ROOT which points to the root of the glfw library
+# installation.
+#
+# default search dirs
+# 
+# Cmake file from: https://github.com/daw42/glslcookbook
+
+set( _glfw3_HEADER_SEARCH_DIRS
+"/usr/include"
+"/usr/local/include"
+"C:/Program Files (x86)/glfw/include" )
+set( _glfw3_LIB_SEARCH_DIRS
+"/usr/lib"
+"/usr/local/lib"
+"C:/Program Files (x86)/glfw/lib-msvc110" )
+
+# Check environment for root search directory
+set( _glfw3_ENV_ROOT $ENV{GLFW3_ROOT} )
+if( NOT GLFW3_ROOT AND _glfw3_ENV_ROOT )
+	set(GLFW3_ROOT ${_glfw3_ENV_ROOT} )
+endif()
+
+# Put user specified location at beginning of search
+if( GLFW3_ROOT )
+	list( INSERT _glfw3_HEADER_SEARCH_DIRS 0 "${GLFW3_ROOT}/include" )
+	list( INSERT _glfw3_LIB_SEARCH_DIRS 0 "${GLFW3_ROOT}/lib" )
+endif()
+
+# Search for the header
+FIND_PATH(GLFW3_INCLUDE_DIR "GLFW/glfw3.h"
+PATHS ${_glfw3_HEADER_SEARCH_DIRS} )
+
+# Search for the library
+FIND_LIBRARY(GLFW3_LIBRARY NAMES glfw3 glfw
+PATHS ${_glfw3_LIB_SEARCH_DIRS} )
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(GLFW3 DEFAULT_MSG
+GLFW3_LIBRARY GLFW3_INCLUDE_DIR)