diff --git a/auto/core/GL_EXT_timer_query b/auto/core/GL_EXT_timer_query
new file mode 100644
index 0000000..070b3d5
--- /dev/null
+++ b/auto/core/GL_EXT_timer_query
@@ -0,0 +1,5 @@
+GL_EXT_timer_query
+http://www.nvidia.com/dev_content/nvopenglspecs/GL_EXT_timer_query.txt
+	GL_TIME_ELAPSED_EXT 0x88BF
+	void glGetQueryObjecti64vEXT (GLuint id, GLenum pname, GLint64EXT *params)
+	void glGetQueryObjectui64vEXT (GLuint id, GLenum pname, GLuint64EXT *params)
diff --git a/auto/src/glew_head.h b/auto/src/glew_head.h
index 1e1cdc2..b86ab8f 100644
--- a/auto/src/glew_head.h
+++ b/auto/src/glew_head.h
@@ -165,6 +165,18 @@ typedef float GLclampf;
 typedef double GLdouble;
 typedef double GLclampd;
 typedef void GLvoid;
+#if defined(_MSC_VER) && _MSC_VER < 1400
+#  ifdef _WIN64
+typedef __int64 GLint64EXT;
+typedef unsigned __int64 GLuint64EXT;
+#  else
+typedef _W64 int GLint64EXT;
+typedef _W64 unsigned int GLuint64EXT;
+#  endif
+#else
+typedef signed long long GLint64EXT
+typedef unsigned long long GLuint64EXT
+#endif
 
 #define GL_ACCUM 0x0100
 #define GL_LOAD 0x0101