From b8fe0df7df79dcf7560246f9c3510f5e54de6ff6 Mon Sep 17 00:00:00 2001
From: omar <omarcornut@gmail.com>
Date: Mon, 8 Apr 2019 19:16:45 +0200
Subject: [PATCH] Examples: Null: Added Makefile.

---
 examples/.gitignore            |  3 +-
 examples/example_null/Makefile | 59 ++++++++++++++++++++++++++++++++++
 examples/example_null/main.cpp |  5 +--
 3 files changed, 64 insertions(+), 3 deletions(-)
 create mode 100644 examples/example_null/Makefile

diff --git a/examples/.gitignore b/examples/.gitignore
index 428ea4466..ddfa5eadd 100644
--- a/examples/.gitignore
+++ b/examples/.gitignore
@@ -31,9 +31,10 @@ xcuserdata
 ## Unix executables
 example_glfw_opengl2/example_glfw_opengl2
 example_glfw_opengl3/example_glfw_opengl3
+example_glut_opengl2/example_glut_opengl2
+example_null/example_null
 example_sdl_opengl2/example_sdl_opengl2
 example_sdl_opengl3/example_sdl_opengl3
-example_glut_opengl2/example_glut_opengl2
 
 ## Dear ImGui Ini files
 imgui.ini
diff --git a/examples/example_null/Makefile b/examples/example_null/Makefile
new file mode 100644
index 000000000..012758fe2
--- /dev/null
+++ b/examples/example_null/Makefile
@@ -0,0 +1,59 @@
+#
+# Cross Platform Makefile
+# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
+#
+
+EXE = example_null
+SOURCES = main.cpp
+SOURCES += ../../imgui.cpp ../../imgui_demo.cpp ../../imgui_draw.cpp ../../imgui_widgets.cpp
+OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES))))
+UNAME_S := $(shell uname -s)
+
+CXXFLAGS = -I../ -I../../
+CXXFLAGS += -g -Wall -Wformat
+LIBS =
+
+##---------------------------------------------------------------------
+## BUILD FLAGS PER PLATFORM
+##---------------------------------------------------------------------
+
+ifeq ($(UNAME_S), Linux) #LINUX
+	ECHO_MESSAGE = "Linux"
+	CFLAGS = $(CXXFLAGS)
+endif
+
+ifeq ($(UNAME_S), Darwin) #APPLE
+	ECHO_MESSAGE = "Mac OS X"
+	CFLAGS = $(CXXFLAGS)
+endif
+
+ifeq ($(findstring MINGW,$(UNAME_S)),MINGW)
+	ECHO_MESSAGE = "MinGW"
+	CFLAGS = $(CXXFLAGS)
+endif
+
+##---------------------------------------------------------------------
+## BUILD RULES
+##---------------------------------------------------------------------
+
+%.o:%.cpp
+	$(CXX) $(CXXFLAGS) -c -o $@ $<
+
+%.o:../%.cpp
+	$(CXX) $(CXXFLAGS) -c -o $@ $<
+
+%.o:../../%.cpp
+	$(CXX) $(CXXFLAGS) -c -o $@ $<
+
+%.o:../libs/gl3w/GL/%.c
+# %.o:../libs/glad/src/%.c
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+all: $(EXE)
+	@echo Build complete for $(ECHO_MESSAGE)
+
+$(EXE): $(OBJS)
+	$(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS)
+
+clean:
+	rm -f $(EXE) $(OBJS)
diff --git a/examples/example_null/main.cpp b/examples/example_null/main.cpp
index 90521f9b0..81af09996 100644
--- a/examples/example_null/main.cpp
+++ b/examples/example_null/main.cpp
@@ -1,4 +1,5 @@
-// dear imgui: null/dummy example application (compile and link imgui with no inputs, no outputs)
+// dear imgui: null/dummy example application (compile and link imgui with NO INPUTS, NO OUTPUTS)
+// This is useful to test building, but you cannot interact with anything here!
 #include "imgui.h"
 #include <stdio.h>
 
@@ -13,7 +14,7 @@ int main(int, char**)
     int tex_w, tex_h;
     io.Fonts->GetTexDataAsRGBA32(&tex_pixels, &tex_w, &tex_h);
 
-    for (int n = 0; n < 50; n++)
+    for (int n = 0; n < 20; n++)
     {
         printf("NewFrame() %d\n", n);
         io.DisplaySize = ImVec2(1920, 1080);