Index: configure.ac
==================================================================
--- configure.ac
+++ configure.ac
@@ -9,12 +9,16 @@
 AC_PROG_RANLIB
 AC_PROG_LN_S
 AC_PROG_INSTALL
 
 CFLAGS="$CFLAGS -Wall"
+
+AS_IF([test x"$GCC" = x"yes"], [
+	CFLAGS="$CFLAGS -Werror -pipe"
+])
 
 BUILDSYS_SHARED_LIB
 BUILDSYS_INIT
 BUILDSYS_TOUCH_DEPS
 
 AC_CONFIG_FILES(buildsys.mk)
 AC_OUTPUT