diff -pruN mozc-1.1.717.102.orig/gyp/common.gypi mozc-1.1.717.102/gyp/common.gypi
--- mozc-1.1.717.102.orig/gyp/common.gypi	2011-05-20 17:17:02.000000000 +0900
+++ mozc-1.1.717.102/gyp/common.gypi	2011-06-01 17:18:57.000000000 +0900
@@ -50,7 +50,6 @@
     # warning_cflags will be shared with Mac and Linux.
     'warning_cflags': [
       '-Wall',
-      '-Werror',
       '-Wno-char-subscripts',
       '-Wno-sign-compare',
       '-Wno-deprecated-declarations',