diff --git a/ChangeLog b/ChangeLog
index e4ee7ab..b47111e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2016-03-24  Dani Rodríguez  <danirod@outlook.com>
+
+	* src/sdl.h: fixed SDL.h header file inclusion.
+
 2016-03-02  Dani Rodríguez  <danirod@outlook.com>
 
 	* src/cpu.c: fix failing opcodes.
diff --git a/NEWS b/NEWS
index fc15360..e8675a7 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,11 @@ Copyright (C) 2015-2016 Dani Rodríguez <danirod@outlook.com>
 This file is about relevant changes for CHIP-8 users. Developers: Check
 ChangeLog for an overview on relevant changes about the source code.
 
+Version 0.1.2 - 2016-03-24
+* Added sound support.
+* Added more flags: --version and --usage.
+* Fixed a few bugs on some opcodes.
+
 Version 0.1.1 - 2015-03-12
 * Emulator doesn't crash now on exit on Linux and MacOS X (issue #3)
 * Emulator now uses the default system graphics backend. For example, might
diff --git a/configure.ac b/configure.ac
index ef2e4ea..a394d45 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 # configure.ac
 
-AC_INIT([chip8], [0.1.1], [danirod@outlook.com])
+AC_INIT([chip8], [0.1.2], [danirod@outlook.com])
 AM_INIT_AUTOMAKE([foreign -Wall -Werror])
 
 # Check programs
@@ -9,14 +9,13 @@ AC_PROG_CC
 AC_PROG_RANLIB
 
 # Check libraries
-AC_CHECK_LIB([SDL2], [SDL_Init], [],
-             [AC_MSG_ERROR(["** ERROR: SDL2 is required to build this. ** "])])
 AC_CHECK_LIB([m], [sinf], [], [AC_MSG_ERROR(["** ERROR: Math library not found **"])])
 # Check header files
 
 # Check typedefs, structures and so
 
 # Check library functions
+AM_PATH_SDL2([2.0.0], :, AC_MSG_ERROR(["** ERROR: SDL 2.0 is required **"]))
 PKG_CHECK_MODULES([CHECK], [check >= 0.9.6])
 
 # Output
diff --git a/src/Makefile.am b/src/Makefile.am
index 5d3f06b..138c94d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,7 +1,8 @@
 noinst_LIBRARIES = lib8.a
 lib8_a_SOURCES = cpu.c cpu.h
+lib8_a_CFLAGS = -std=c99 -Wall
 
-AM_CFLAGS = --std=c99 -Wall
 bin_PROGRAMS = chip8
 chip8_SOURCES = chip8.c sdl.c sdl.h
-chip8_LDADD = lib8.a
+chip8_CFLAGS = @SDL_CFLAGS@ -std=c99 -Wall
+chip8_LDADD = lib8.a @SDL_LIBS@
diff --git a/src/chip8.c b/src/chip8.c
index c06301c..5a60cc2 100644
--- a/src/chip8.c
+++ b/src/chip8.c
@@ -1,6 +1,6 @@
 /*
  * chip8 is a CHIP-8 emulator done in C
- * Copyright (C) 2015 Dani Rodríguez <danirod@outlook.com>
+ * Copyright (C) 2015-2016 Dani Rodríguez <danirod@outlook.com>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -24,7 +24,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
-#include <SDL2/SDL.h>
 
 /* Flag set by '--hex' */
 static int use_hexloader;
diff --git a/src/cpu.c b/src/cpu.c
index 2fd173f..1150f42 100644
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -1,6 +1,6 @@
 /*
  * chip8 is a CHIP-8 emulator done in C
- * Copyright (C) 2015 Dani Rodríguez <danirod@outlook.com>
+ * Copyright (C) 2015-2016 Dani Rodríguez <danirod@outlook.com>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -363,4 +363,4 @@ update_time(struct machine_t* cpu, int delta)
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/src/sdl.h b/src/sdl.h
index 171d0c5..6fbb122 100644
--- a/src/sdl.h
+++ b/src/sdl.h
@@ -28,7 +28,7 @@
 
 #include "cpu.h"
 
-#include <SDL2/SDL.h>
+#include <SDL.h>
 
 int init_context();