--- a/modules/wchar
+++ b/modules/wchar
@@ -29,12 +29,14 @@
 	      -e 's|@''GNULIB_WCTOB''@|$(GNULIB_WCTOB)|g' \
 	      -e 's|@''GNULIB_MBSINIT''@|$(GNULIB_MBSINIT)|g' \
 	      -e 's|@''GNULIB_MBRTOWC''@|$(GNULIB_MBRTOWC)|g' \
+	      -e 's|@''GNULIB_MBRLEN''@|$(GNULIB_MBRLEN)|g' \
 	      -e 's|@''GNULIB_WCWIDTH''@|$(GNULIB_WCWIDTH)|g' \
 	      -e 's|@''HAVE_WINT_T''@|$(HAVE_WINT_T)|g' \
 	      -e 's|@''HAVE_BTOWC''@|$(HAVE_BTOWC)|g' \
 	      -e 's|@''HAVE_WCTOB''@|$(HAVE_WCTOB)|g' \
 	      -e 's|@''HAVE_MBSINIT''@|$(HAVE_MBSINIT)|g' \
 	      -e 's|@''HAVE_MBRTOWC''@|$(HAVE_MBRTOWC)|g' \
+	      -e 's|@''HAVE_MBRLEN''@|$(HAVE_MBRLEN)|g' \
 	      -e 's|@''HAVE_DECL_WCWIDTH''@|$(HAVE_DECL_WCWIDTH)|g' \
 	      -e 's|@''REPLACE_WCWIDTH''@|$(REPLACE_WCWIDTH)|g' \
 	      -e '/definition of GL_LINK_WARNING/r $(LINK_WARNING_H)' \