diff --git a/.gitignore b/.gitignore
index 0ffd2c5..aa90db7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@ arm-oe-linux-gnueabi-libtool
 autom4te.cache/
 bindings/python/gpio.py
 compile
+config/
 config.guess
 config.log
 config.status
diff --git a/config/m4/.gitignore b/config/m4/.gitignore
deleted file mode 100644
index 0f4126c..0000000
--- a/config/m4/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-*.m4
diff --git a/contrib/board_files/odroid_c2.conf b/contrib/board_files/odroid_c2.conf
new file mode 100644
index 0000000..ae4b23e
--- /dev/null
+++ b/contrib/board_files/odroid_c2.conf
@@ -0,0 +1,30 @@
+[board]
+model = Hardkernel ODROID-C2
+# http://odroid.com/dokuwiki/doku.php?id=en:c2_hardware
+
+[GPIO]
+J2_3 = 205
+J2_5 = 206
+J2_7 = 249
+J2_8 = 240
+J2_10 = 241
+J2_11 = 247
+J2_12 = 238
+J2_13 = 239
+J2_15 = 237
+J2_16 = 236
+J2_18 = 233
+J2_19 = 235
+J2_21 = 232
+J2_22 = 231
+J2_23 = 230
+J2_24 = 229
+J2_26 = 225
+J2_27 = 207
+J2_28 = 208
+J2_29 = 228
+J2_31 = 219
+J2_32 = 224
+J2_33 = 234
+J2_35 = 214
+J2_36 = 218
diff --git a/lib/conffile.c b/lib/conffile.c
index 705a4f9..f3b31b2 100644
--- a/lib/conffile.c
+++ b/lib/conffile.c
@@ -5,6 +5,7 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include "libsoc_debug.h"
 #include "libsoc_conffile.h"
 
 static char *