frr: use update-alternatives for ietf-interfaces.yang

Error: Transaction test error:
  file /usr/share/yang/ietf-interfaces.yang conflicts between attempted installs of libsmi-yang-0.5.0-r0.cortexa57 and frr-9.1-r1.cortexa57

libsmi also uses the doc 'ietf-interfaces.yang'.
libsmi has a priority of 50.

Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/meta-networking/recipes-protocols/frr/frr_9.1.bb b/meta-networking/recipes-protocols/frr/frr_9.1.bb
index 9db6710d9c..5cc19d09d0 100644
--- a/meta-networking/recipes-protocols/frr/frr_9.1.bb
+++ b/meta-networking/recipes-protocols/frr/frr_9.1.bb
@@ -74,6 +74,11 @@ SYSTEMD_PACKAGES = "${PN}"
 SYSTEMD_SERVICE:${PN} = "frr.service"
 SYSTEMD_AUTO_ENABLE = "disable"
 
+inherit update-alternatives
+
+ALTERNATIVE_PRIORITY = "100"
+ALTERNATIVE:${PN} = " ietf-interfaces "
+ALTERNATIVE_LINK_NAME[ietf-interfaces] = "${datadir}/yang/ietf-interfaces.yang"
 do_compile:prepend () {
    sed -i -e 's#${RECIPE_SYSROOT_NATIVE}##g' \
           -e 's#${RECIPE_SYSROOT}##g' ${S}/lib/version.h