diff --git a/autogen.sh b/autogen.sh
index 8230b90368..3dcc38f952 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -35,7 +35,7 @@ version_check "autoconf" "$AUTOCONF autoconf autoconf-2.54 autoconf-2.53 autocon
               "ftp://ftp.gnu.org/pub/gnu/autoconf/" 2 52 || DIE=1
 version_check "automake" "$AUTOMAKE automake automake-1.7 automake-1.6 automake-1.5" \
               "ftp://ftp.gnu.org/pub/gnu/automake/" 1 5 || DIE=1
-version_check "libtool" "" \
+version_check "libtoolize" "libtoolize libtoolize14" \
               "ftp://ftp.gnu.org/pub/gnu/libtool/" 1 4 0 || DIE=1
 version_check "pkg-config" "" \
               "http://www.freedesktop.org/software/pkgconfig" 0 8 0 || DIE=1
@@ -60,7 +60,7 @@ fi
 toplevel_check $srcfile
 
 tool_run "$aclocal" "-I m4 -I common/m4 $ACLOCAL_FLAGS"
-tool_run "libtoolize" "--copy --force"
+tool_run "$libtoolize" "--copy --force"
 tool_run "$autoheader"
 
 # touch the stamp-h.in build stamp so we don't re-run autoheader in maintainer mode -- wingo
diff --git a/common b/common
index 6757dae288..b4a839c99c 160000
--- a/common
+++ b/common
@@ -1 +1 @@
-Subproject commit 6757dae2885c2c09ad6db243c73946ef387bb044
+Subproject commit b4a839c99c0bf2d4903824426ef3cc0d4b0ad992