build: Limit libyang version to under 2.0

Ensure that master is not built with libyang version 2 or greater
since we'll fail.

Fixes: #8524
Signed-off-by: Donald Sharp <sharpd@nvidia.com>

diff --git a/configure.ac b/configure.ac
index f9fa8e07137e2fb07b3f590e5734d07a51aa9ee4..c082a9e5273a3cd77b4fd0f69ec8ef52861a4031 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1866,7 +1866,7 @@ AC_SUBST([SNMP_CFLAGS])
 dnl ---------------
 dnl libyang
 dnl ---------------
-PKG_CHECK_MODULES([LIBYANG], [libyang >= 1.0.184], , [
+PKG_CHECK_MODULES([LIBYANG], [libyang >= 1.0.184 libyang < 2.0], , [
   AC_MSG_ERROR([libyang (>= 1.0.184) was not found on your system.])
 ])
 ac_cflags_save="$CFLAGS"