X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=configure.ac;h=b274ead5ac3c10f488630780aeae58eef1865fec;hp=1fcac7273c43a46c4a8bbffbda8de91a38df537a;hb=926c87acbc722208f46ac43f3a837c994af88763;hpb=549731b7fc86d6dfb63f1cbd03991f59567f96ba

diff --git a/configure.ac b/configure.ac
index 1fcac7273..b274ead5a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -444,6 +444,10 @@ if test ! -f "$srcdir/src/lib/lttng-ctl/filter/filter-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/src/lib/lttng-ctl/filter/filter-lexer.c"; then