diff --git a/gcc/graphviz-lib/Makefile b/gcc/graphviz-lib/Makefile
index 3bb0aa0..6e3aa9a 100644
--- a/gcc/graphviz-lib/Makefile
+++ b/gcc/graphviz-lib/Makefile
@@ -1,7 +1,7 @@
 include ../graphviz.setup.makefile
 
 CFLAGS += -g3 
-CLAGS += -Wall 
+CFLAGS += -Wall 
 CFLAGS += -pedantic 
 CFLAGS += -Wno-attributes
 CFLAGS += -Wno-deprecated 
@@ -114,7 +114,7 @@ common_utils.o:
 label_node.o:
 	$(CC) -c $(CFLAGS) $(CONSTANTS) $(INCLUDES) $(GRAPHVIZ_SRC)/lib/label/node.c -o label_node.o
 
-lib : common_util.o $(LIB_TARGET)
+lib : $(LIB_TARGET)
 	rm -f *.o
 
 clean:
diff --git a/gcc/graphviz-lib/macos/config.h b/gcc/graphviz-lib/macos/config.h
new file mode 100644
index 0000000..af05e87
--- /dev/null
+++ b/gcc/graphviz-lib/macos/config.h
@@ -0,0 +1,355 @@
+/* manually generated configuration for Windows */
+
+/* Command to open a browser on a URL */
+#define BROWSER "xdg-open"
+
+#define HAVE_ARGZ_APPEND 0
+
+/* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
+   systems. This function is required for `alloca.c' support on those systems.
+   */
+/* #undef CRAY_STACKSEG_END */
+
+/* Define for Darwin-style shared library names. */
+/* #undef DARWIN_DYLIB */
+
+/* Default DPI. */
+#define DEFAULT_DPI 96
+
+/* Path to TrueType fonts. */
+#define DEFAULT_FONTPATH "C:/WINDOWS/FONTS;C:/WINNT/Fonts;C:/winnt/fonts"
+
+/* Define if you want DIGCOLA */
+#define DIGCOLA 1
+
+/* Filename for plugin configuration file. */
+#define GVPLUGIN_CONFIG_FILE "config6"
+
+/* Compatibility version number for plugins. */
+#define GVPLUGIN_VERSION 6
+
+/* Define if you want on-demand plugin loading */
+//#define ENABLE_LTDL 0
+
+/* Define if you have the ann library */
+//#define HAVE_ANN 1
+
+/* Define to 1 if you have the `cbrt' function. */
+//#define HAVE_CBRT 1
+
+/* Define to 1 if you have the <crt_externs.h> header file. */
+/* #undef HAVE_CRT_EXTERNS_H */
+
+/* Define to 1 if you have the `deflateBound' function. */
+/* #undef HAVE_DEFLATEBOUND */
+
+/* Define if you have the DevIL library */
+/* #undef HAVE_DEVIL */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+/* #undef HAVE_DLFCN_H */
+
+/* Define to 1 if you have the `drand48' function. */
+/* #undef HAVE_DRAND48 */
+
+/* Define if you have the expat library */
+//#define HAVE_EXPAT 1
+
+/* Define to 1 if you have the <expat.h> header file. */
+//#define HAVE_EXPAT_H 1
+
+/* Define if FILE structure provides _cnt */
+#define HAVE_FILE_CNT 1
+
+/* Define if FILE structure provides _IO_read_end */
+/* #undef HAVE_FILE_IO_READ_END */
+
+/* Define if FILE structure provides _next */
+/* #undef HAVE_FILE_NEXT */
+
+/* Define if FILE structure provides _r */
+/* #undef HAVE_FILE_R */
+
+/* Define if you have the fontconfig library */
+#define HAVE_FONTCONFIG 1
+
+/* Define if you have the freetype2 library */
+#define HAVE_FREETYPE2 1
+
+/* Define if you have the GDI+ framework for Windows */
+/* #undef HAVE_GDIPLUS */
+
+/* Define if you have the gdk_pixbuf library */
+/* #undef HAVE_GDK_PIXBUF */
+
+/* Define if the GD library has the GD_FONTCONFIG feature */
+//#define HAVE_GD_FONTCONFIG 1
+
+/* Define if the GD library has the GD_FREETYPE feature */
+//#define HAVE_GD_FREETYPE 1
+
+/* Define if the GD library has the GD_GIF feature */
+//#define HAVE_GD_GIF 1
+
+/* Define if the GD library supports GIFANIM */
+/* #undef HAVE_GD_GIFANIM */
+
+/* Define if the GD library has the GD_JPEG feature */
+//#define HAVE_GD_JPEG 1
+
+/* Define if the GD library supports OPENPOLYGON */
+/* #undef HAVE_GD_OPENPOLYGON */
+
+/* Define if the GD library has the GD_PNG feature */
+//#define HAVE_GD_PNG 1
+
+/* Define if the GD library supports XPM */
+/* #undef HAVE_GD_XPM */
+
+/* Define to 1 if you have the `getenv' function. */
+#define HAVE_GETENV 1
+
+/* Define if you have the glade library */
+#define HAVE_GLADE 1
+
+/* Define if you have the glitz library */
+/* #undef HAVE_GLITZ */
+
+/* Define if you have the gs library */
+/* #undef HAVE_GS */
+
+/* Define if you have the gtk library */
+/* #undef HAVE_GTK */
+
+/* Define if you have the gtkgl library */
+/* #undef HAVE_GTKGL */
+
+/* Define if you have the gtkglext library */
+//#define HAVE_GTKGLEXT 1
+
+/* Define if you have the gts library */
+#undef HAVE_GTS
+#define HAVE_GTS 0
+
+/* Define if you have the iconv() function. */
+#define HAVE_ICONV 1
+
+/* Define to 1 if you have the <iconv.h> header file. */
+#define HAVE_ICONV_H 1
+
+/* Define if <iconv.h> defines iconv_t. */
+#define HAVE_ICONV_T_DEF 1
+
+/* Define to 1 if you have the <IL/il.h> header file. */
+/* #undef HAVE_IL_IL_H */
+
+/* Define if intptr_t is declared */
+#define HAVE_INTPTR_T 1
+
+/* Define if you have the lasi library */
+/* #undef HAVE_LASI */
+
+/* Define if either internal or external GD library is availabel */
+//#define HAVE_LIBGD 1
+
+/* Define if you have the JPEG library */
+//#define HAVE_LIBJPEG 1
+
+/* Define if you have the PNG library */
+//#define HAVE_LIBPNG 1
+
+/* Define if you have the XPM library */
+/* #undef HAVE_LIBXPMFORLEFTY */
+
+/* Define if you have the Z library */
+//#define HAVE_LIBZ 1
+
+/* Define to 1 if you have the `lrand48' function. */
+/* #undef HAVE_LRAND48 */
+
+/* Define to 1 if you have the <malloc.h> header file. */
+#define HAVE_MALLOC_H 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define if you have the ming library for SWF support */
+/* #undef HAVE_MING */
+
+/* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
+/* #undef HAVE_NDIR_H */
+
+/* Define if you have the pangocairo library */
+//#define HAVE_PANGOCAIRO 1
+
+/* Define to 1 if you have the `pango_fc_font_lock_face' function. */
+/* #undef HAVE_PANGO_FC_FONT_LOCK_FACE */
+
+/* Define to 1 if you have the `pango_fc_font_unlock_face' function. */
+/* #undef HAVE_PANGO_FC_FONT_UNLOCK_FACE */
+
+/* Define if you have the Quartz framework for Mac OS X */
+/* #undef HAVE_QUARTZ */
+
+/* Define if you have the rsvg library */
+#define HAVE_RSVG 1
+
+/* Define to 1 if you have the <search.h> header file. */
+#define HAVE_SEARCH_H 1
+
+/* Define to 1 if you have the `setenv' function. */
+/* #undef HAVE_SETENV */
+
+/* Define to 1 if you have the `setmode' function. */
+#define HAVE_SETMODE 1
+
+/* Define if libm provides a *working* sincos function */
+/* #undef HAVE_SINCOS */
+
+/* Define to 1 if you have the `srand48' function. */
+/* #undef HAVE_SRAND48 */
+
+/* Define to 1 if you have the `strcasecmp' function. */
+#define HAVE_STRCASECMP 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+//#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the `strncasecmp' function. */
+#define HAVE_STRNCASECMP 1
+
+/* Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR'.
+   */
+/* #undef HAVE_SYS_DIR_H */
+
+/* Define to 1 if you have the <sys/inotify.h> header file. */
+/* #undef HAVE_SYS_INOTIFY_H */
+
+/* Define to 1 if you have the <sys/ioctl.h> header file. */
+/* #undef HAVE_SYS_IOCTL_H */
+
+/* Define to 1 if you have the <sys/mman.h> header file. */
+/* #undef HAVE_SYS_MMAN_H */
+
+/* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'.
+   */
+/* #undef HAVE_SYS_NDIR_H */
+
+/* Define to 1 if you have the <sys/select.h> header file. */
+/* #undef HAVE_SYS_SELECT_H */
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#define HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define if you have the tcl library */
+/* #undef HAVE_TCL */
+
+/* Define to 1 if you have the <termios.h> header file. */
+/* #undef HAVE_TERMIOS_H */
+
+/* Define to 1 if you have the <tkInt.h> header file. */
+/* #undef HAVE_TKINT_H */
+
+/* Define to 1 if you have the <tk.h> header file. */
+/* #undef HAVE_TK_H */
+
+/* Define if triangle.[ch] are available. */
+/* #undef HAVE_TRIANGLE */
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `vsnprintf' function. */
+#define HAVE_VSNPRINTF 1
+
+/* Define to 1 if you have the <X11/Intrinsic.h> header file. */
+/* #undef HAVE_X11_INTRINSIC_H */
+
+/* Define to 1 if you have the <X11/Xaw/Text.h> header file. */
+/* #undef HAVE_X11_XAW_TEXT_H */
+
+/* Define to 1 if the system has the type `_Bool'. */
+//#define HAVE__BOOL 1
+
+/* Define to 1 if you have the `_NSGetEnviron' function. */
+/* #undef HAVE__NSGETENVIRON */
+
+/* Define as const if the declaration of iconv() needs const. */
+#define ICONV_CONST const
+
+/* Define if you want IPSEPCOLA */
+/* #undef IPSEPCOLA */
+#define IPSEPCOLA 1
+/* Define if no fpu error exception handling is required. */
+#define NO_FPERR 1
+
+/* Define if you want ORTHO */
+#undef ORTHO 
+//#define ORTHO 1
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "http://www.graphviz.org/"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "graphviz"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "graphviz 2.39.20160612.1140"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "graphviz"
+
+/* Define to the home page for this package. */
+#define PACKAGE_URL ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "2.39.20160612.1140"
+
+/* Path separator character. */
+#define PATHSEPARATOR ":"
+
+/* Define if you want SFDP */
+#define SFDP 1
+/* #undef SFDP */
+
+/* Define if you want SMYRNA */
+/* #undef SMYRNA */
+
+/* If using the C implementation of alloca, define if you know the
+   direction of stack growth for your system; otherwise it will be
+   automatically deduced at runtime.
+	STACK_DIRECTION > 0 => grows toward higher addresses
+	STACK_DIRECTION < 0 => grows toward lower addresses
+	STACK_DIRECTION = 0 => direction of growth unknown */
+/* #undef STACK_DIRECTION */
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Define if you want CGRAPH */
+#define WITH_CGRAPH 1
+
+/* Define to 1 if the X Window System is missing or not being used. */
+#define X_DISPLAY_MISSING 1
+
+/* Define to 1 if `lex' declares `yytext' as a `char *' by default, not a
+   `char[]'. */
+/* #undef YYTEXT_POINTER */
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+//#define gid_t int
+
+/* Define to `int' if <sys/types.h> does not define. */
+/* #undef pid_t */
+
+/* Define to `int' if <sys/types.h> does not define. */
+//typedef int ssize_t;
+
+/* Define to `int' if <sys/types.h> doesn't define. */
+// #define uid_t int