--- rxvt-unicode/aclocal.m4 2015/06/16 11:56:37 1.8 +++ rxvt-unicode/aclocal.m4 2021/07/23 19:18:51 1.9 @@ -1,5 +1,3 @@ -m4_include([libptytty/ptytty.m4]) - dnl maybe import pkg.m4 and use PKG_CHECK_MODULES in place of this macro AC_DEFUN([RXVT_CHECK_MODULES], [