--- a/Makefile.in
+++ b/Makefile.in
@@ -257,7 +257,7 @@
 # gnu strictness chokes on README being autogenerated
 AUTOMAKE_OPTIONS = 1.4 foreign
 SUBDIRS = . tests doc
-AM_CFLAGS = -Werror $(AM_CFLAGS_EXT)
+AM_CFLAGS = $(AM_CFLAGS_EXT)
 configincludedir = $(pkglibdir)/include
 bin_SCRIPTS = libusb-config
 EXTRA_DIST = LICENSE libusb.spec.in libusb.spec libusb-config.in README.in README \