$(LEVEL)/config.log \
$(LEVEL)/TAGS
+AUTOCONF = autoconf
+AUTOHEADER = autoheader
+
+configure: autoconf/configure.ac autoconf/aclocal.m4
+ cd autoconf && $(AUTOCONF) -o ../configure configure.ac
+
+include/Config/config.h.in: autoconf/configure.ac autoconf/aclocal.m4
+ $(AUTOHEADER) -I autoconf autoconf/configure.ac
+