update configure.ac and autoreconf

Author: masamichitakagi

.gitignore

@@ -1,29 +1,29 @@
 *~
 
-# Assuming everyone runs autogen.sh before configuring
-/aclocal.m4
-/Makefile.in
-/configure
+#/aclocal.m4
+#/Makefile.in
+#/configure
 /autom4te.cache
-/test/aclocal.m4
-/test/Makefile.in
-/test/configure
+#/test/aclocal.m4
+#/test/Makefile.in
+#/test/configure
 /test/autom4te.cache
-/contrib/hwloc/Makefile.in
-/contrib/hwloc/hwloc/Makefile.in
-/contrib/hwloc/include/Makefile.in
+#/contrib/hwloc/Makefile.in
+#/contrib/hwloc/hwloc/Makefile.in
+#/contrib/hwloc/include/Makefile.in
 
 # confdb/ tools installed by autoreconf -iv
-/confdb/ar-lib
-/confdb/compile
-/confdb/config.guess
-/confdb/config.sub
-/confdb/depcomp
-/confdb/install-sh
-/confdb/libtool.m4
-/confdb/ltmain.sh
-/confdb/ltoptions.m4
-/confdb/ltsugar.m4
-/confdb/ltversion.m4
-/confdb/lt~obsolete.m4
-/confdb/missing
+#/confdb/ar-lib
+#/confdb/compile
+#/confdb/config.guess
+#/confdb/config.sub
+#/confdb/depcomp
+#/confdb/install-sh
+#/confdb/libtool.m4
+#/confdb/ltmain.sh
+#/confdb/ltoptions.m4
+#/confdb/ltsugar.m4
+#/confdb/ltversion.m4
+#/confdb/lt~obsolete.m4
+#/confdb/missing
+#/test/confdb/test-driver