From 34eb54c49bb64f74e8ef8945fb40d4172bb271f5 Mon Sep 17 00:00:00 2001
From: Daniel Caujolle-Bert <f1rmb@users.sourceforge.net>
Date: Fri, 27 Apr 2001 00:47:54 +0000
Subject: Check about libtool version.

CVS patchset: 33
CVS date: 2001/04/27 00:47:54
---
 configure.in |  8 +++++++-
 m4/_xine.m4  | 22 ++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/configure.in b/configure.in
index db2c64e9c..dab75d31c 100644
--- a/configure.in
+++ b/configure.in
@@ -5,10 +5,15 @@ dnl
 AC_INIT(src/xine-engine/xine.c)
 
 dnl
-dnl Required Autoconf Version 2.13
+dnl Require autoconf version 2.13
 dnl
 AC_PREREQ(2.13)
 
+dnl
+dnl Require libtool minimum version 1.3.5
+dnl
+AC_PREREQ_LIBTOOL(1.3.5,,AC_MSG_ERROR(*** You should have libtool >= 1.3.5 installed ***))
+
 
 XINE_MAJOR=0
 XINE_MINOR=5
@@ -388,6 +393,7 @@ AC_SUBST(ACLOCAL_DIR)
 
 AC_CHECK_PROG(DOXYGEN, doxygen, doxygen, no)
 
+
 dnl
 dnl Output configuration files
 dnl
diff --git a/m4/_xine.m4 b/m4/_xine.m4
index e59117a22..3d994b592 100644
--- a/m4/_xine.m4
+++ b/m4/_xine.m4
@@ -1,3 +1,25 @@
+dnl
+dnl Check for minimum version of libtool
+dnl AC_PREREQ_LIBTOOL([MINIMUM VERSION],[ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]])
+AC_DEFUN([AC_PREREQ_LIBTOOL],
+  [
+    lt_min_full=ifelse([$1], ,1.3.5,$1)
+    lt_min=`echo $lt_min_full | sed -e 's/\.//g'`
+    AC_MSG_CHECKING(checking for libtool >= $lt_min_full)
+    lt_version="`grep ^VERSION ./libtool | sed -e 's/\.//g' | sed -e 's/VERSION\=//'`"
+
+    if test $lt_version -lt 100; then
+      lt_version=`expr $lt_version \* 10`
+    fi
+
+    if test $lt_version -lt $lt_min; then
+      AC_MSG_RESULT(no)
+      ifelse([$3], , :, [$3])
+    fi
+    AC_MSG_RESULT(yes)
+    ifelse([$2], , :, [$2])
+  ])
+
 dnl
 AC_DEFUN([AC_CHECK_LIRC],
   [AC_ARG_ENABLE(lirc,
-- 
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