X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=configure.ac;h=413ba7454aa681bb885b8a733836a497c154248d;hb=9d594903a44a41b0c8999906798369c2aa92d246;hp=35cee8f0fea9da34e74dcc2cef9e3a5e3fe4785a;hpb=76a3388173de378118a7f0a253266369e49b97e8;p=babeltrace.git

diff --git a/configure.ac b/configure.ac
index 35cee8f0..413ba745 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,8 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
-AC_INIT([babeltrace],[1.3.0],[jeremie dot galarneau at efficios dot com])
+AC_PREREQ([2.50])
+AC_INIT([babeltrace],[1.3.0-pre],[jeremie dot galarneau at efficios dot com])
 
 # Following the numbering scheme proposed by libtool for the library version
 # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
@@ -35,6 +36,10 @@ if test ! -f "$srcdir/formats/ctf/metadata/ctf-parser.h"; then
                 AC_MSG_ERROR([[bison not found and is required when building from git.
                 Please install bison]])
         fi
+        AC_PATH_PROG([BISON],[bison])
+        AX_PROG_BISON_VERSION([2.4], [],[
+                AC_MSG_ERROR([[Bison >= 2.4 is required when building from git]])
+        ])
 fi
 
 if test ! -f "$srcdir/formats/ctf/metadata/ctf-lexer.c"; then