FYI, $U doc

[Akim Demaille]

Index: ChangeLog
from  Akim Demaille  <address@hidden>

        * doc/autoconf.texi (AC_LIBOBJ vs LIBOBJS): More about $U.

Index: NEWS
===================================================================
RCS file: /cvsroot/autoconf/autoconf/NEWS,v
retrieving revision 1.251
diff -u -u -r1.251 NEWS
--- NEWS 18 Jul 2002 15:37:49 -0000 1.251
+++ NEWS 19 Jul 2002 08:36:52 -0000
@@ -33,7 +33,8 @@
        # built via the ANSI2KNR-filtering rules.
        LIBOBJS=`echo $LIBOBJS|sed 's/\.o /\$U.o /g;s/\.o$/\$U.o/'`
 
-  and read the `AC_LIBOBJ vs LIBOBJS' section.
+  and read the `AC_LIBOBJ vs LIBOBJS' section.  Do not define U in
+  your Makefiles either.
 
 - AC_CONFIG_LINKS now makes copies if it can't make links.
 
Index: doc/autoconf.texi
===================================================================
RCS file: /cvsroot/autoconf/autoconf/doc/autoconf.texi,v
retrieving revision 1.643
diff -u -u -r1.643 autoconf.texi
--- doc/autoconf.texi 18 Jul 2002 11:57:32 -0000 1.643
+++ doc/autoconf.texi 19 Jul 2002 08:37:23 -0000
@@ -12842,6 +12842,8 @@
 
 @sp 1
 
address@hidden U
address@hidden @code{$U}
 When asked for automatic de-ANSI-fication, Automake needs
 @code{LIBOBJS}'ed filenames to have @samp{$U} appended to the base
 names.  Libtool requires the definition of @code{LTLIBOBJS}, which
@@ -12875,10 +12877,12 @@
 
 @sp 1
 
-Fortunately, you no longer have to use this: @code{AC_OUTPUT} normalizes
+You no longer have to use this: @code{AC_OUTPUT} normalizes
 @code{LIBOBJS} and @code{LTLIBOBJS} (hence it works with any version of
-Automake and Libtool).  So just remove these lines.
address@hidden cannot handle this task, since this is not a macro.
+Automake and Libtool).  Just remove these lines (@command{autoupdate}
+cannot handle this task, since this is not a macro).
+
+Note that @code{U} must not be used in your Makefiles.
 
 
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