[Xcb] [PATCH libxcb 5/8] autoconf: require libtool minimum level 2.2

[Gaetan Nadon]

This is the updated minimum level as referenced in:
http://www.x.org/wiki/Building_the_X_Window_System/#index2h3

Libtool version 2 has been used for several years now. There should be
no surprises.

Reviewed-by: Josh Triplett <josh at joshtriplett.org>
Signed-off-by: Gaetan Nadon <memsize at videotron.ca>
---
 configure.ac |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index 6591efd..d53222d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -19,8 +19,8 @@ AM_PATH_PYTHON([2.6])
 AC_USE_SYSTEM_EXTENSIONS
 
 # Initialize libtool
-AC_LIBTOOL_WIN32_DLL
-AC_PROG_LIBTOOL
+LT_PREREQ([2.2])
+LT_INIT([win32-dll])
 
 # Require xorg-macros minimum of 1.18 - Initial version
 m4_ifndef([XORG_MACROS_VERSION],
-- 
1.7.9.5