Don't use $MAKEINFO for both a flag and a program.

* configure.in (HAVE_MAKEINFO): New output variable.
(MAKEINFO): Reset to "makeinfo" if not found.

* Makefile.in (install-arch-indep, info):
Replace MAKEINFO = off with HAVE_MAKEINFO = no.

ChangeLog

+2011-01-05  Glenn Morris  <rgm@gnu.org>
+
+	* configure.in (HAVE_MAKEINFO): New output variable.
+	(MAKEINFO): Reset to "makeinfo" if not found.
+	* Makefile.in (install-arch-indep, info):
+	Replace MAKEINFO = off with HAVE_MAKEINFO = no.
+
 2010-12-29  Ulrich Mueller  <ulm@gentoo.org>
 
 	* configure.in: Make gameuser configurable (Bug#7717).
@@ -8670,11 +8677,10 @@
 
 ;; Local Variables:
 ;; coding: utf-8
-;; add-log-time-zone-rule: t
 ;; End:
 
     Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2001, 2002,
-	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010  Free Software Foundation, Inc.
+	2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011  Free Software Foundation, Inc.
 
   This file is part of GNU Emacs.
 
@@ -8691,4 +8697,3 @@
   You should have received a copy of the GNU General Public License
   along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
 
-;;; arch-tag: ac61a779-1480-4884-b292-d0c39c127a73

Makefile.in

@@ -3,7 +3,7 @@
 # DIST: that first.
 
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-#   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+#   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
 #   Free Software Foundation, Inc.
 
 # This file is part of GNU Emacs.
@@ -73,7 +73,6 @@ CFLAGS=@CFLAGS@
 LDFLAGS=@LDFLAGS@
 CPPFLAGS=@CPPFLAGS@
 EXEEXT=@EXEEXT@
-MAKEINFO=@MAKEINFO@
 
 ### These help us choose version- and architecture-specific directories
 ### to install files in.
@@ -140,6 +139,9 @@ INFO_FILES=ada-mode auth autotype calc ccmode cl dbus dired-x ebrowse	\
 	   reftex remember sasl sc semantic ses sieve smtpmail speedbar \
 	   tramp url vip viper widget woman
 
+# If no makeinfo was found and configured --without-makeinfo, "no"; else "yes".
+HAVE_MAKEINFO=@HAVE_MAKEINFO@
+
 # Directory for local state files for all programs.
 localstatedir=@localstatedir@
 
@@ -572,7 +574,7 @@ install-arch-indep: mkdir info install-etc
 	   fi; \
 	   cd ${srcdir}/info ; \
 	   for elt in $(INFO_FILES); do \
-	      test "$(MAKEINFO)" = "off" && ! test -e $$elt && continue; \
+	      test "$(HAVE_MAKEINFO)" = "no" && ! test -e $$elt && continue; \
 	      for f in `ls $$elt $$elt-[1-9] $$elt-[1-9][0-9] 2>/dev/null`; do \
 	        ${INSTALL_DATA} $$f $(DESTDIR)${infodir}/$$f; \
 	        chmod a+r $(DESTDIR)${infodir}/$$f; \
@@ -588,7 +590,7 @@ install-arch-indep: mkdir info install-etc
 	if [ `(cd ${srcdir}/info && /bin/pwd)` != `(cd $(DESTDIR)${infodir} && /bin/pwd)` ]; \
 	then \
 	  for elt in $(INFO_FILES); do \
-	    test "$(MAKEINFO)" = "off" && ! test -e $$elt && continue; \
+	    test "$(HAVE_MAKEINFO)" = "no" && ! test -e $$elt && continue; \
 	    (cd $${thisdir}; \
 	     ${INSTALL_INFO} --info-dir=$(DESTDIR)${infodir} $(DESTDIR)${infodir}/$$elt); \
 	  done; \
@@ -834,7 +836,7 @@ force-info:
 # and it's not worth it.  This case is only relevant if you download a
 # release, then change the .texi files.
 info: force-info
-	@if test "$(MAKEINFO)" = "off"; then \
+	@if test "$(HAVE_MAKEINFO)" = "no"; then \
 	  echo "Configured --without-makeinfo, not building manuals" ; \
 	else \
 	  $(MAKE) $(MFLAGS) info-real ; \

configure.in

@@ -791,9 +791,12 @@ fi
 ## should test for it as it does for any other build requirement.
 ## We use the presence of $srcdir/info/emacs to distinguish a release,
 ## with pre-built manuals, from a Bazaar checkout.
+HAVE_MAKEINFO=yes
+
 if test "$MAKEINFO" = "no"; then
+  MAKEINFO=makeinfo
   if test "x${with_makeinfo}" = "xno"; then
-    MAKEINFO=off
+    HAVE_MAKEINFO=no
   elif test ! -e $srcdir/info/emacs; then
     AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6, and your
 source tree does not seem to have pre-built manuals in the `info' directory.
@@ -801,6 +804,7 @@ Either install a suitable version of makeinfo, or re-run configure
 with the `--without-makeinfo' option to build without the manuals.] )
   fi
 fi
+AC_SUBST(HAVE_MAKEINFO)
 
 dnl Add our options to ac_link now, after it is set up.