Add CMake, update gitignore

Author: lewa-j

.gitignore

@@ -1,4 +1,5 @@
 .vs/
 Win32/
 x64/
-*.vcxproj.user
+*.vcxproj.user
+build

src/CMakeLists.txt

@@ -0,0 +1,34 @@
+
+cmake_minimum_required(VERSION 3.5)
+
+project(NaiveGL CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+
+add_library (opengl32 SHARED
+	gl_begin.cpp
+	gl_clip.cpp
+	gl_display_lists.cpp
+	gl_evaluators.cpp
+	gl_export.cpp
+	gl_feedback.cpp
+	gl_framebuffer.cpp
+	gl_lighting.cpp
+	gl_matrix_stack.cpp
+	gl_pixels.cpp
+	gl_rasterization.cpp
+	gl_selection.cpp
+	gl_state.cpp
+	gl_state_requests.cpp
+	gl_texgen.cpp
+	gl_texture.cpp
+	gl_viewport.cpp
+	win/dllmain.cpp
+	win/wgl_context.cpp
+	win/opengl32.def
+	)
+
+target_include_directories(opengl32 PUBLIC
+	${PROJECT_SOURCE_DIR}
+	${PROJECT_SOURCE_DIR}/../deps/glm
+)