--- src/Makefile.in.orig	2014-04-09 04:29:47 UTC
+++ src/Makefile.in
@@ -279,7 +279,7 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-WARNINGS = -Wall -Wextra -Wconversion -Wno-sign-conversion
+WARNINGS = -Wall -Wextra -Wconversion
 AM_CFLAGS = -std=gnu99 $(fuse_CFLAGS) $(WARNINGS) $(am__append_3) \
 	$(am__append_7)
 AM_CXXFLAGS = -std=c++98 $(fuse_CFLAGS) $(WARNINGS) $(am__append_4) \