Index: configure.ac
===================================================================
--- configure.ac	(revision 1625)
+++ configure.ac	(working copy)
@@ -49,8 +49,8 @@
 fi
 
 # Check for docbook
-AC_CHECK_PROG(HAVE_DOCBOOKTOMAN, docbook-to-man, true, false)
-AM_CONDITIONAL(HAVE_DOCBOOKTOMAN,$HAVE_DOCBOOKTOMAN)
+AC_CHECK_PROGS(DOCBOOKTOMAN, docbook-to-man docbook2man, false)
+AM_CONDITIONAL(HAVE_DOCBOOKTOMAN, test "x$DOCBOOKTOMAN" != "xfalse")
 AC_CHECK_PROG(HAVE_DOCBOOK2HTML, docbook2html, true, false)
 AM_CONDITIONAL(HAVE_DOCBOOK2HTML,$HAVE_DOCBOOK2HTML)
 
Index: doc/Makefile.am
===================================================================
--- doc/Makefile.am	(revision 1625)
+++ doc/Makefile.am	(working copy)
@@ -25,7 +25,7 @@
 
 if HAVE_DOCBOOKTOMAN
 %.1: %.1.sgml
-	docbook-to-man $< > $@
+	$(DOCBOOKTOMAN) $< > $@
 else
 %.1: %.1.sgml
 endif