added dev/MinGfx/

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diff --git a/dev/MinGfx/cmake/AutoBuildOpenGL.cmake b/dev/MinGfx/cmake/AutoBuildOpenGL.cmake
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+++ b/dev/MinGfx/cmake/AutoBuildOpenGL.cmake
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+# Author: Daniel F. Keefe
+# Copyright 2017,2018, Daniel F. Keefe and Regents of the University of Minnesota
+# All Rights Reserved.
+
+
+# Usage:
+# AutoBuild_use_package_OpenGL(
+#    # The 1st argument is required.  It is the name of the target you wish to link this dependency to.
+#    my-program 
+#
+#    # The 2nd argument is required.  It impacts how dependencies are propogated through CMake.  You can treat
+#    # this dependency as an INTERFACE, PUBLIC, or PRIVATE.  See the following URL for details:
+#    # https://cmake.org/cmake/help/latest/command/target_include_directories.html
+#    PUBLIC 
+# )
+#
+macro(AutoBuild_use_package_OpenGL YOUR_TARGET INTERFACE_PUBLIC_OR_PRIVATE)
+
+    message(STATUS "AutoBuild: Searching for package OpenGL...")
+
+	# Check to see if the library is already installed on the system    
+    # CMake ships with FindOpenGL.cmake and in CMake 3.9+ it defines
+    # the imported targets OpenGL::GL and OpenGL::GLU.  Using these is
+    # now the preferred way to link with OpenGL and all of its dependencies.
+	# See https://cmake.org/cmake/help/v3.9/module/FindOpenGL.html
+	find_package(OpenGL)
+
+	if (NOT ${OPENGL_FOUND})
+	    message(FATAL_ERROR "AutoBuild: OpenGL was not found on the system.  AutoBuild can auto-download 
+        and build many dependencies for you, but not OpenGL. It should come pre-installed on your system.")
+	endif()
+
+    message(STATUS "AutoBuild: Ok. Found OpenGL.")
+    message(STATUS "  OpenGL headers: ${OPENGL_INCLUDE_DIR}")
+    message(STATUS "  OpenGL libs: ${OPENGL_LIBRARIES}")
+
+    message(STATUS "Linking target ${YOUR_TARGET} with ${INTERFACE_PUBLIC_OR_PRIVATE} dependency OpenGL::GL.")
+    target_link_libraries(${YOUR_TARGET} ${INTERFACE_PUBLIC_OR_PRIVATE} OpenGL::GL)
+
+    if (${OPENGL_GLU_FOUND})
+        message(STATUS "Linking target ${YOUR_TARGET} with ${INTERFACE_PUBLIC_OR_PRIVATE} dependency OpenGL::GLU.")
+        target_link_libraries(${YOUR_TARGET} ${INTERFACE_PUBLIC_OR_PRIVATE} OpenGL::GLU)
+    endif()
+
+	target_compile_definitions(${YOUR_TARGET} ${INTERFACE_PUBLIC_OR_PRIVATE} -DUSE_OPENGL)
+
+endmacro()