[pygtksourceview] Bug 564545 – libtool-2.2 compatibility patch

[Gian Mario Tagliaretti <gianmt src gnome org>]

commit a574326e8fbf9ec3db67c89bc1b0f2f0d2be44c7
Author: Gian Mario Tagliaretti <gianmt gnome org>
Date:   Tue Jun 9 13:42:43 2009 +0200

    Bug 564545 â?? libtool-2.2 compatibility patch
    
    Fix build with libtool 2.x.
---
 configure.ac |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index e4f4e51..67d897a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -55,6 +55,9 @@ AC_DISABLE_STATIC
 AC_LIBTOOL_WIN32_DLL
 AC_PROG_LIBTOOL
 
+dnl when using libtool 2.x create libtool early, because it's used in configure
+m4_ifdef([LT_OUTPUT], [LT_OUTPUT])
+
 if test "x$os_win32" = xyes -a "x$cross_compiling" = xyes; then
 MOO_AM_PYTHON_DEVEL_CROSS_MINGW(,[AC_MSG_ERROR(could not find Python headers)])
 else