Build: add Bison version check

[lttng-tools.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 1fcac7273c43a46c4a8bbffbda8de91a38df537a..b274ead5ac3c10f488630780aeae58eef1865fec 100644 (file)
--- 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