--- flex-2.6.4.orig/configure.ac	2017-05-03 21:16:37.000000000 +0100
+++ flex-2.6.4/configure.ac	2018-03-14 05:11:52.278756139 +0100
@@ -37,8 +37,6 @@ AC_SUBST(SHARED_VERSION_INFO)
 
 # checks for programs
 
-AM_GNU_GETTEXT([external])
-AM_GNU_GETTEXT_VERSION([0.18])
 AC_PROG_YACC
 AS_IF([test "$YACC" != 'bison -y'], [
 	YACC="\${top_srcdir}/build-aux/missing bison -y"