From 8b6896faf9bf590cb2e88e9e914b10d1e46b4ef8 Mon Sep 17 00:00:00 2001
From: radius <andres.430@gmail.com>
Date: Sun, 2 Jul 2017 21:33:13 -0500
Subject: [PATCH] add SDL GL3 makefile

---
 examples/opengl2_example/Makefile     |  2 +-
 examples/opengl3_example/Makefile     |  3 +-
 examples/sdl_opengl3_example/Makefile | 63 +++++++++++++++++++++++++++
 3 files changed, 66 insertions(+), 2 deletions(-)
 create mode 100644 examples/sdl_opengl3_example/Makefile

diff --git a/examples/opengl2_example/Makefile b/examples/opengl2_example/Makefile
index b5953fc3..932aebed 100644
--- a/examples/opengl2_example/Makefile
+++ b/examples/opengl2_example/Makefile
@@ -1,6 +1,6 @@
 #
 # Cross Platform Makefile
-# Compatible with Ubuntu 14.04.1 and Mac OS X
+# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
 #
 #
 # if you using Mac OS X:
diff --git a/examples/opengl3_example/Makefile b/examples/opengl3_example/Makefile
index d064a905..32343ed2 100644
--- a/examples/opengl3_example/Makefile
+++ b/examples/opengl3_example/Makefile
@@ -1,12 +1,13 @@
 #
 # Cross Platform Makefile
-# Compatible with Ubuntu 14.04.1 and Mac OS X
+# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
 #
 #
 # You will need GLFW (http://www.glfw.org)
 #
 #   apt-get install libglfw-dev  # Linux
 #   brew install glfw            # Mac OS X
+#   pacman -S --noconfirm --needed mingw-w64-x86_64-toolchain mingw-w64-x86_64-glfw # MSYS2
 #
 
 #CXX = g++
diff --git a/examples/sdl_opengl3_example/Makefile b/examples/sdl_opengl3_example/Makefile
new file mode 100644
index 00000000..e4aee574
--- /dev/null
+++ b/examples/sdl_opengl3_example/Makefile
@@ -0,0 +1,63 @@
+#
+# Cross Platform Makefile
+# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
+#
+#
+# You will need GLFW (http://www.glfw.org)
+#
+#   apt-get install libglfw-dev  # Linux
+#   brew install glfw            # Mac OS X
+#   pacman -S --noconfirm --needed mingw-w64-x86_64-toolchain mingw-w64-x86_64-glfw # MSYS2
+#
+
+#CXX = g++
+
+EXE = sdl_opengl3_example
+OBJS = main.o imgui_impl_sdl_gl3.o
+OBJS += ../../imgui.o ../../imgui_demo.o ../../imgui_draw.o
+OBJS += ../libs/gl3w/GL/gl3w.o
+
+UNAME_S := $(shell uname -s)
+
+
+ifeq ($(UNAME_S), Linux) #LINUX
+	ECHO_MESSAGE = "Linux"
+	LIBS = -lGL `pkg-config --static --libs glfw3`
+
+	CXXFLAGS = -I../../ -I../libs/gl3w `pkg-config --cflags glfw3`
+	CXXFLAGS += -Wall -Wformat
+	CFLAGS = $(CXXFLAGS)
+endif
+
+ifeq ($(UNAME_S), Darwin) #APPLE
+	ECHO_MESSAGE = "Mac OS X"
+	LIBS = -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo
+	#LIBS += -L/usr/local/lib -lglfw3
+	LIBS += -L/usr/local/lib -lglfw
+
+	CXXFLAGS = -I../../ -I../libs/gl3w -I/usr/local/include
+	CXXFLAGS += -Wall -Wformat
+	CFLAGS = $(CXXFLAGS)
+endif
+
+ifeq ($(findstring MINGW,$(UNAME_S)),MINGW)
+   ECHO_MESSAGE = "Windows"
+   LIBS = -lgdi32 -lopengl32 -limm32 `pkg-config --static --libs sdl2`
+
+   CXXFLAGS = -I../../ -I../libs/gl3w `pkg-config --cflags sdl2`
+   CXXFLAGS += -Wall -Wformat
+   CFLAGS = $(CXXFLAGS)
+endif
+
+
+.cpp.o:
+	$(CXX) $(CXXFLAGS) -c -o $@ $<
+
+all: $(EXE)
+	@echo Build complete for $(ECHO_MESSAGE)
+
+$(EXE): $(OBJS)
+	$(CXX) -o $(EXE) $(OBJS) $(CXXFLAGS) $(LIBS)
+
+clean:
+	rm $(EXE) $(OBJS)