http://svn.apache.org/viewvc?rev=733052&view=rev

--- apr-1.3.3/buildconf.libtool22
+++ apr-1.3.3/buildconf
@@ -45,6 +45,14 @@ $libtoolize --copy --automake
 
 if [ -f libtool.m4 ]; then 
    ltfile=`pwd`/libtool.m4
+elif grep all_pkgmacro_files $libtoolize > /dev/null; then
+    # libtool 2.x
+   aclocal_dir=`sed -n '/^aclocaldir=/{s/.*=//;p;q;}' < $libtoolize`
+   ltfiles=`sed -n '/^all_pkgmacro_files=/{s/.*=//;;s/"//;p;q;}' < $libtoolize`
+   for f in $ltfiles; do
+       test -f "$aclocal_dir/$f" && cp "$aclocal_dir/$f" build
+   done
+   ltfile=$aclocal_dir/libtool.m4
 else
    ltfindcmd="`sed -n \"/=[^\\\`]/p;/libtool_m4=/{s/.*=/echo /p;q;}\" \
                    < $libtoolize`"
--- apr-1.3.3/configure.in.libtool22
+++ apr-1.3.3/configure.in
@@ -20,6 +20,10 @@ sinclude(build/apr_win32.m4)
 sinclude(build/apr_hints.m4)
 sinclude(build/libtool.m4)
 sinclude(build/ltsugar.m4)
+sinclude(build/argz.m4)
+sinclude(build/ltoptions.m4)
+sinclude(build/ltversion.m4)
+sinclude(build/lt~obsolete.m4)
 
 dnl Hard-coded inclusion at the tail end of apr_private.h:
 AH_BOTTOM([