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error: possibly undefined macro: AC_CHECK_HEADERS_ONCE

From: Sam Steingold
Subject: error: possibly undefined macro: AC_CHECK_HEADERS_ONCE
Date: Fri, 05 Aug 2005 10:47:52 -0400
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (windows-nt)

Using Stepan Kasal's advice (adjusting for _really_
integrated sub-packages and separating out not-really integrated
ones), I managed to avoid the warning when aclocal.m4 is created
(see <>)
Thanks to all who replied!

Unfortunately, the more insidious problem persists:

cd modules/regexp; autoconf --include=/cygdrive/d/gnu/clisp/current/src/autoconf
configure:6028: error: possibly undefined macro: AC_CHECK_HEADERS_ONCE
      If this token and others are legitimate, please use m4_pattern_allow.
      See the Autoconf documentation.
configure:6029: error: possibly undefined macro: AC_CHECK_FUNCS_ONCE
make: *** [modules/regexp/configure] Error 1

this is because src/m4/onceonly.m4 (that defines AC_CHECK_FUNCS_ONCE &c)
is not included into src/autoconf/aclocal.m4 (when I do
$ cat m4/onceonly.m4>>autoconf/aclocal.m4
it works, of course).

So, the question is: why isn't onceonly.m4 appended to aclocal.m4?
Again, aclocal.m4 is created by
$ aclocal -I `pwd`/src/m4 --output=src/autoconf/aclocal.m4


Sam Steingold ( running w2k
<> <> <>
<> <>
Parachute for sale, used once, never opened, small stain.

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