diff --git a/avrdude/patches/local-config.patch b/avrdude/patches/local-config.patch
new file mode 100644
index 0000000..fbbb984
--- /dev/null
+++ b/avrdude/patches/local-config.patch
@@ -0,0 +1,99 @@
+Index: avrdude-5.11.1/main.c
+===================================================================
+--- avrdude-5.11.1.orig/main.c	2012-07-22 10:56:13.864393215 -0300
++++ avrdude-5.11.1/main.c	2012-07-22 11:10:16.845006009 -0300
+@@ -57,6 +57,8 @@
+ #include "update.h"
+ 
+ 
++#define	MAX_LOCAL_CFG	10	/* maximum number of local config files */
++
+ /* Get VERSION from ac_cfg.h */
+ char * version      = VERSION;
+ 
+@@ -98,6 +100,7 @@
+  "  -b <baudrate>              Override RS-232 baud rate.\n"
+  "  -B <bitclock>              Specify JTAG/STK500v2 bit clock period (us).\n"
+  "  -C <config-file>           Specify location of configuration file.\n"
++ "  -L <config-file>           Add project-local configuration file(s).\n"
+  "  -c <programmer>            Specify programmer type.\n"
+  "  -D                         Disable auto erase for flash memory\n"
+  "  -i <delay>                 ISP Clock Delay [in microseconds]\n"
+@@ -271,6 +274,8 @@
+   char  * partdesc;    /* part id */
+   char    sys_config[PATH_MAX]; /* system wide config file */
+   char    usr_config[PATH_MAX]; /* per-user config file */
++  const char *local_cfg[MAX_LOCAL_CFG]; /* project-local config files */
++  int	  n_local_cfg  = 0;		/* number of local config files */
+   int     cycles;      /* erase-rewrite cycles */
+   int     set_cycles;  /* value to set the erase-rewrite cycles to */
+   char  * e;           /* for strtol() error checking */
+@@ -401,7 +406,8 @@
+   /*
+    * process command line arguments
+    */
+-  while ((ch = getopt(argc,argv,"?b:B:c:C:DeE:Fi:np:OP:qstU:uvVx:yY:")) != -1) {
++  while ((ch = getopt(argc,argv,"?b:B:c:C:DeE:Fi:L:np:OP:qstU:uvVx:yY:"))
++	 != -1) {
+ 
+     switch (ch) {
+       case 'b': /* override default programmer baud rate */
+@@ -456,6 +462,15 @@
+         ovsigck = 1;
+         break;
+ 
++      case 'L':
++	if (n_local_cfg == MAX_LOCAL_CFG) {
++          fprintf(stderr, "%s: too many local config files (%d)\n",
++		  progname, MAX_LOCAL_CFG);
++          exit(1);
++	}
++	local_cfg[n_local_cfg++] = optarg;
++	break;
++
+       case 'n':
+         nowrite = 1;
+         break;
+@@ -608,6 +623,20 @@
+       }
+     }
+   }
++
++  for (i = 0; i != n_local_cfg; i++) {
++    if (verbose)
++      fprintf(stderr, "%sLocal configuration file #%d is \"%s\"\n",
++	      progbuf, i+1, local_cfg[i]);
++    rc = read_config(local_cfg[i]);
++    if (rc) {
++      fprintf(stderr,
++	      "%s: error reading local configuration file \"%s\"\n",
++	      progname, local_cfg[i]);
++      exit(1);
++    }
++  }
++
+   // set bitclock from configuration files unless changed by command line
+   if (default_bitclock > 0 && bitclock == 0.0) {
+     bitclock = default_bitclock;
+Index: avrdude-5.11.1/avrdude.1
+===================================================================
+--- avrdude-5.11.1.orig/avrdude.1	2012-07-22 11:52:57.387569871 -0300
++++ avrdude-5.11.1/avrdude.1	2012-07-22 11:59:46.569374592 -0300
+@@ -32,6 +32,7 @@
+ .Op Fl B Ar bitclock
+ .Op Fl c Ar programmer-id
+ .Op Fl C Ar config-file
++.Op Fl L Ar config-file
+ .Op Fl D
+ .Op Fl e
+ .Oo Fl E Ar exitspec Ns
+@@ -467,6 +468,9 @@
+ together with
+ .Fl t
+ to continue in terminal mode.
++.It Fl L Ar config-file
++Load the specified local config file to complement the
++system and user configuration. This option can be repeated.
+ .It Fl i Ar delay
+ For bitbang-type programmers, delay for approximately
+ .Ar delay
diff --git a/avrdude/patches/series b/avrdude/patches/series
index 22c9ab7..8deb095 100644
--- a/avrdude/patches/series
+++ b/avrdude/patches/series
@@ -5,3 +5,4 @@ nanonote-nxuart.patch
 nanonote-atusb.patch
 atmega32u2.patch
 nanonote-icsp.patch
+local-config.patch