diff --git a/configure b/configure
index 560385c..cb6e78d 100755
--- a/configure
+++ b/configure
@@ -3670,7 +3670,7 @@
MAGICK_LIBRARY_VERSION_INFO=$MAGICK_LIBRARY_CURRENT:$MAGICK_LIBRARY_REVISION:$MAGICK_LIBRARY_AGE
-MAGICK_SVN_REVISION=9533:9576M
+MAGICK_SVN_REVISION=9533:9581M
@@ -21552,14 +21552,78 @@
case ,$with_included_ltdl,$with_ltdl_include,$with_ltdl_lib, in
,yes,no,no,)
- case $enable_ltdl_convenience in
- no) as_fn_error $? "this package needs a convenience libltdl" "$LINENO" 5 ;;
- "") enable_ltdl_convenience=yes
- ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
+ if test -f $prefix/lib/libltdl.la; then
+ lt_save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="-L$prefix/lib $LDFLAGS"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for lt_dlinit in -lltdl" >&5
+$as_echo_n "checking for lt_dlinit in -lltdl... " >&6; }
+if ${ac_cv_lib_ltdl_lt_dlinit+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lltdl $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char lt_dlinit ();
+int
+main ()
+{
+return lt_dlinit ();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_lib_ltdl_lt_dlinit=yes
+else
+ ac_cv_lib_ltdl_lt_dlinit=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ltdl_lt_dlinit" >&5
+$as_echo "$ac_cv_lib_ltdl_lt_dlinit" >&6; }
+if test "x$ac_cv_lib_ltdl_lt_dlinit" = xyes; then :
+ lt_lib_ltdl=yes
+fi
+
+ LDFLAGS="$lt_save_LDFLAGS"
+ if test x"${lt_lib_ltdl-no}" = xyes; then
+ if test x"$enable_ltdl_install" != xyes; then
+ # Don't overwrite $prefix/lib/libltdl.la without --enable-ltdl-install
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: not overwriting libltdl at $prefix, force with \`--enable-ltdl-install'" >&5
+$as_echo "$as_me: WARNING: not overwriting libltdl at $prefix, force with \`--enable-ltdl-install'" >&2;}
+ enable_ltdl_install=no
+ fi
+ elif test x"$enable_ltdl_install" = xno; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: libltdl not installed, but installation disabled" >&5
+$as_echo "$as_me: WARNING: libltdl not installed, but installation disabled" >&2;}
+ fi
+fi
+
+# If configure.ac declared an installable ltdl, and the user didn't override
+# with --disable-ltdl-install, we will install the shipped libltdl.
+case $enable_ltdl_install in
+ no) ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
+ LIBLTDL="-lltdl"
+ LTDLDEPS=
+ LTDLINCL=
+ ;;
+ *) enable_ltdl_install=yes
+ ac_configure_args="$ac_configure_args --enable-ltdl-install"
+ LIBLTDL='${top_build_prefix}'"${lt_ltdl_dir+$lt_ltdl_dir/}libltdl.la"
+ LTDLDEPS=$LIBLTDL
+ LTDLINCL='-I${top_srcdir}'"${lt_ltdl_dir+/$lt_ltdl_dir}"
+ ;;
esac
-LIBLTDL='${top_build_prefix}'"${lt_ltdl_dir+$lt_ltdl_dir/}libltdlc.la"
-LTDLDEPS=$LIBLTDL
-LTDLINCL='-I${top_srcdir}'"${lt_ltdl_dir+/$lt_ltdl_dir}"