Neutralize the dependency on current sources.

bin/Makefile.am

diff --git a/bin/Makefile.am b/bin/Makefile.am
index f747bec..e95aea8 100644
--- a/bin/Makefile.am
+++ b/bin/Makefile.am
@@ -51,7 +51,7 @@
 
 # autoconf is written in M4sh.
 AUTOM4SH = $(top_builddir)/tests/autom4te --language M4sh --cache ''
-$(srcdir)/autoconf.in: $(srcdir)/autoconf.as $(m4sh_m4f_dependencies)
+$(srcdir)/autoconf.in: $(srcdir)/autoconf.as # FIXME: $(m4sh_m4f_dependencies)
 	$(AUTOM4SH) $(srcdir)/autoconf.as -o $@
 
 ## All the files below depend on Makefile so that they are rebuilt

bin/Makefile.in

diff --git a/bin/Makefile.in b/bin/Makefile.in
index bcb46e7..aa8423c 100644
--- a/bin/Makefile.in
+++ b/bin/Makefile.in
@@ -451,7 +451,7 @@
 	else \
 	  rm -f forbidden.log; \
 	fi
-$(srcdir)/autoconf.in: $(srcdir)/autoconf.as $(m4sh_m4f_dependencies)
+$(srcdir)/autoconf.in: $(srcdir)/autoconf.as # $(m4sh_m4f_dependencies)
 	$(AUTOM4SH) $(srcdir)/autoconf.as -o $@
 
 autoconf: $(srcdir)/autoconf.in Makefile