---- unistd.in.h.orig 2013-02-25 18:40:16.000000000 +0900
-+++ unistd.in.h 2013-02-25 18:49:26.754601400 +0900
-@@ -109,7 +109,11 @@
+diff --git a/unistd.in.h b/unistd.in.h
+index b82be83..9df3f13 100644
+--- a/unistd.in.h
++++ b/unistd.in.h
+@@ -125,7 +125,11 @@
/* Get getopt(), optarg, optind, opterr, optopt.
But avoid namespace pollution on glibc systems. */