Examples: Synced Makefile comments. Added build/ folder into git ignore list/

examples/.gitignore

@@ -1,4 +1,4 @@
-## Visual Studio files
+build/*
 Debug/*
 Release/*
 ipch/*

examples/opengl2_example/Makefile

@@ -2,10 +2,13 @@
 # Cross Platform Makefile
 # Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
 #
-#
+# You will need GLFW (http://www.glfw.org):
-# if you using Mac OS X:
+# Linux:
-# You'll need glfw
+#   apt-get install libglfw-dev
-#    http://www.glfw.org
+# Mac OS X:
+#   brew install glfw
+# MSYS2:
+#   pacman -S --noconfirm --needed mingw-w64-x86_64-toolchain mingw-w64-x86_64-glfw
 #
 
 #CXX = g++
@@ -46,6 +49,7 @@ ifeq ($(findstring MINGW,$(UNAME_S)),MINGW)
    CFLAGS = $(CXXFLAGS)
 endif
 
+
 .cpp.o:
 	$(CXX) $(CXXFLAGS) -c -o $@ $<
 

examples/opengl3_example/Makefile

@@ -2,12 +2,13 @@
 # Cross Platform Makefile
 # Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
 #
-#
+# You will need GLFW (http://www.glfw.org):
-# You will need GLFW (http://www.glfw.org)
+# Linux:
-#
+#   apt-get install libglfw-dev
-#   apt-get install libglfw-dev  # Linux
+# Mac OS X:
-#   brew install glfw            # Mac OS X
+#   brew install glfw
-#   pacman -S --noconfirm --needed mingw-w64-x86_64-toolchain mingw-w64-x86_64-glfw # MSYS2
+# MSYS2:
+#   pacman -S --noconfirm --needed mingw-w64-x86_64-toolchain mingw-w64-x86_64-glfw
 #
 
 #CXX = g++

examples/sdl_opengl3_example/Makefile

@@ -2,12 +2,13 @@
 # Cross Platform Makefile
 # Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
 #
-#
+# You will need SDL2 (http://www.libsdl.org):
-# You will need SDL2 (http://www.libsdl.org)
+# Linux:
-#
+#   apt-get install libsdl2-dev
-#   apt-get install libsdl2-dev  # Linux
+# Mac OS X:
-#   brew install sdl2            # Mac OS X
+#   brew install sdl2
-#   pacman -S mingw-w64-i686-SDL # MSYS2
+# MSYS2:
+#   pacman -S mingw-w64-i686-SDL
 #
 
 #CXX = g++