nftables: add JSON support

`kube-proxy` requires `nft` to support JSON output.

Signed-off-by: Ben Cressey <[email protected]>

Author: bcressey

Cargo.lock

@@ -22,6 +22,7 @@ sha512 = "7aa972c146e0dfaacc8faaef9b9ebbe419f7cbc5814d1fb978b35a4972d384aabe2e6e
 [build-dependencies]
 glibc = { path = "../glibc" }
 iptables = { path = "../iptables" }
+libjansson = { path = "../libjansson" }
 libmnl = { path = "../libmnl" }
 libnftnl = { path = "../libnftnl" }
 readline = { path = "../readline" }

packages/nftables/Cargo.toml

@@ -11,10 +11,12 @@ Source10: nftables-tmpfiles.conf
 
 BuildRequires: %{_cross_os}glibc-devel
 BuildRequires: %{_cross_os}iptables-devel
+BuildRequires: %{_cross_os}libjansson-devel
 BuildRequires: %{_cross_os}libmnl-devel
 BuildRequires: %{_cross_os}libnftnl-devel
 BuildRequires: %{_cross_os}readline-devel
 Requires: %{_cross_os}iptables
+Requires: %{_cross_os}libjansson
 Requires: %{_cross_os}libmnl
 Requires: %{_cross_os}libnftnl
 Requires: %{_cross_os}readline
@@ -39,8 +41,8 @@ Requires: %{name}
   --enable-debug \
   --with-cli=readline \
   --with-mini-gmp \
+  --with-json \
   --with-xtables \
-  --without-json \
   %{nil}
 
 %force_disable_rpath