pktgen: 3.7.2 -> 19.12.0, build with meson, fix build

Building with make requires share/dpdk/mk/ from the make build of dpdk, which is
not installed by the meson build of dpdk.

pkgs/os-specific/linux/pktgen/configure.patch

@@ -0,0 +1,17 @@
+1. librte_process_info does not exist.
+2. lua5.3 library is liblua.
+3. app/meson.build uses undeclared drivers_install_subdir.
+--- a/lib/common/meson.build
++++ b/lib/common/meson.build
+@@ -34,1 +34,1 @@
+-libs = ['eal', 'kvargs', 'cmdline', 'process_info']
++libs = ['eal', 'kvargs', 'cmdline']
+--- a/lib/lua/meson.build
++++ b/lib/lua/meson.build
+@@ -31 +31 @@ endforeach
+-ext_deps += cc.find_library('lua5.3', required: true)
++ext_deps += cc.find_library('lua', required: true)
+--- a/meson_options.txt
++++ b/meson_options.txt
+@@ -0,0 +1,1 @@
++option('drivers_install_subdir', type: 'string', value: '')

pkgs/os-specific/linux/pktgen/default.nix

@@ -1,41 +1,40 @@
-{ stdenv, lib, fetchurl, pkgconfig
-, dpdk, libpcap, lua5_3, numactl, utillinux
+{ stdenv, lib, fetchurl, meson, ninja, pkgconfig
+, dpdk, libbsd, libpcap, lua5_3, numactl, utillinux
 , gtk2, which, withGtk ? false
 }:
 
 stdenv.mkDerivation rec {
   pname = "pktgen";
-  version = "3.7.2";
+  version = "19.12.0";
 
   src = fetchurl {
     url = "http://dpdk.org/browse/apps/pktgen-dpdk/snapshot/${pname}-${version}.tar.xz";
-    sha256 = "03k7h4j2lsrh6b7477hgn87ljrjh2673ncffx9v261bx1ns54y7w";
+    sha256 = "1clfviz1qa4hysslcg6i29vsxwl9f6j1y7zf9wwx9br3yq08x956";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ meson ninja pkgconfig ];
 
   buildInputs =
-    [ dpdk libpcap lua5_3 numactl which ]
+    [ dpdk libbsd libpcap lua5_3 numactl which ]
     ++ stdenv.lib.optionals withGtk [gtk2];
 
-  RTE_SDK = "${dpdk}/share/dpdk";
-  RTE_TARGET = "x86_64-native-linuxapp-gcc";
+  RTE_SDK = dpdk;
   GUI = stdenv.lib.optionalString withGtk "true";
 
   NIX_CFLAGS_COMPILE = [ "-msse3" ];
 
-  postPatch = let dpdkMajor = lib.versions.major dpdk.version; in ''
+  patches = [ ./configure.patch ];
+
+  postPatch = ''
     substituteInPlace lib/common/lscpu.h --replace /usr/bin/lscpu ${utillinux}/bin/lscpu
   '';
 
-  installPhase = ''
-    install -d $out/bin
-    install -m 0755 app/${RTE_TARGET}/pktgen $out/bin
-    install -m 0644 Pktgen.lua $out/bin
+  postInstall = ''
+    # meson installs unneeded files with conflicting generic names, such as
+    # include/cli.h and lib/liblua.so.
+    rm -rf $out/include $out/lib
   '';
 
-  enableParallelBuilding = true;
-
   meta = with stdenv.lib; {
     description = "Traffic generator powered by DPDK";
     homepage = http://dpdk.org/;