--- lame-3.101/configure.ac
+++ lame-3.101/configure.ac
@@ -40,6 +40,8 @@
 AM_MAINTAINER_MODE
 AM_MAKE_INCLUDE
 PKG_PROG_PKG_CONFIG([])
+AM_GNU_GETTEXT(external)
+AM_GNU_GETTEXT_VERSION(0.22)
 
 dnl check environment
 AC_SEARCH_LIBS([strerror],[cposix])