* m4/local.mk (dist_automake_ac_DATA): Add both rmf.m4 and xargsn.m4.
Building grep from "make maintainer-clean" state, failed like this:
configure.ac:41: warning: _AM_PROG_RM_F is m4_require'd but not\
m4_defun'd
configure.ac:41: warning: _AM_PROG_XARGS_N is m4_require'd but not\
m4_defun'd
configure:5058: error: possibly undefined macro: _AM_PROG_RM_F
configure:5059: error: possibly undefined macro: _AM_PROG_XARGS_N
%D%/options.m4 \
%D%/python.m4 \
%D%/prog-cc-c-o.m4 \
+ %D%/rmf.m4 \
%D%/runlog.m4 \
%D%/sanity.m4 \
%D%/silent.m4 \
%D%/substnot.m4 \
%D%/tar.m4 \
%D%/upc.m4 \
- %D%/vala.m4
+ %D%/vala.m4 \
+ %D%/xargsn.m4
dist_system_ac_DATA = %D%/acdir/README