Merge pull request #29 from RT-Thread/lnx

Add lnx-headers package

Author: BernardXiong

repo/packages/l/lnx-headers/inc/linux/if_packet.h

@@ -0,0 +1 @@
+#include <netpacket/packet.h>

repo/packages/l/lnx-headers/xmake.lua

@@ -0,0 +1,12 @@
+package("lnx-headers")
+do
+    set_description("The headers for linux compatibility")
+
+    on_install(function(package)
+        os.vcp(path.join(os.scriptdir(), "inc/linux/*"), package:installdir("include/linux"))
+    end)
+
+    on_test(function(package)
+        assert(package:has_cincludes("linux/if_packet.h"))
+    end)
+end