--- rxvt-unicode/aclocal.m4	2015/06/16 11:56:37	1.8
+++ rxvt-unicode/aclocal.m4	2023/01/02 17:16:42	1.11
@@ -1,9 +1,7 @@
-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],
 [
-  AC_MSG_CHECKING(for $2)
+  AC_MSG_CHECKING([for $2 (using pkg-config)])
   if test $PKG_CONFIG != no && $PKG_CONFIG --exists $2; then
     $1[]_CFLAGS="`$PKG_CONFIG --cflags $2`"
     $1[]_LIBS="`$PKG_CONFIG --libs $2`"