X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=configure.ac;h=b274ead5ac3c10f488630780aeae58eef1865fec;hp=48c3cb36e9e754b5adaa63c97f47f62e0911b2aa;hb=926c87acbc722208f46ac43f3a837c994af88763;hpb=0d8f86e9572c440c0e62c5e925eb6d8b8bbc173a

diff --git a/configure.ac b/configure.ac
index 48c3cb36e..b274ead5a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,3 +1,4 @@
+AC_PREREQ([2.64])
 AC_INIT([lttng-tools],[2.7.0-pre],[jeremie.galarneau@efficios.com],[],[https://lttng.org])
 AC_CONFIG_AUX_DIR([config])
 AC_CANONICAL_TARGET
@@ -443,6 +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