Re: AIX grep limitation: coreutils build failure

[Ralf Wildenhues]

> Autoconf patch:

This one wasn't enough (grep from different AIX versions seem to differ
here).  Updated patch below.

Cheers,
Ralf

        * lib/autoconf/status.m4 (_AC_OUTPUT_FILES_PREPARE): Use `tr'
        to shorten the line length for the delimiter test, for AIX grep.

Index: lib/autoconf/status.m4
===================================================================
RCS file: /cvsroot/autoconf/autoconf/lib/autoconf/status.m4,v
retrieving revision 1.109
diff -u -r1.109 status.m4
--- lib/autoconf/status.m4      26 May 2006 22:29:50 -0000      1.109
+++ lib/autoconf/status.m4      27 May 2006 16:32:15 -0000
@@ -401,7 +401,9 @@
       m4_if(_AC_Var, address@hidden@], m4_if(_AC_SED_CMD_NUM, 2, 2, 
_AC_SED_CMD_LIMIT), _AC_SED_CMD_NUM),
 [_ACEOF
 
-  if test `grep -c "$ac_delim\$" conf$$subs.sed` = _AC_SED_DELIM_NUM; then
+dnl Use `tr' to cut down the line length so it is acceptable
+dnl even for AIX grep.
+  if test `tr -d "$as_cr_Letters" < conf$$subs.sed | grep -c "$ac_delim\$"` = 
_AC_SED_DELIM_NUM; then
     break
   elif $ac_last_try; then
     AC_MSG_ERROR([could not make $CONFIG_STATUS])
@@ -410,8 +412,8 @@
   fi
 done
 
-ac_eof=
-if grep '^CEOF$' conf$$subs.sed >/dev/null; then
+ac_eof=`sed -n '/^CEOF$/p' conf$$subs.sed`
+if test -n "$ac_eof"; then
   ac_eof=`sed -n '/^CEOF[[0-9]]*$/s/CEOF//p' conf$$subs.sed | sort -nru | sed 
1q`
   ac_eof=`expr 0$ac_eof + 1`
 fi