[docs] building Node in nw19

rogerwang · rogerwang · commit 196808b662fa · 2016-12-08T09:10:54.000+08:00
diff --git a/docs/For Developers/Building NW.js.md b/docs/For Developers/Building NW.js.md
@@ -87,12 +87,12 @@ See the upstream documentation for the mapping between GN and GYP flags: https:/
 
 ```bash
 cd src
-GYP_CHROMIUM_NO_ACTION=0 ./build/gyp_chromium third_party/node/node.gyp
+GYP_CHROMIUM_NO_ACTION=0 ./build/gyp_chromium -I third_party/node/common.gypi third_party/node/node.gyp
 ```
 
 or use the following if you're doing a component build:
 ```bash
-./build/gyp_chromium -D component=shared_library third_party/node/node.gyp
+./build/gyp_chromium -D component=shared_library -I third_party/node/common.gypi third_party/node/node.gyp
 ```
 To change the build configuration for Node, you need to setup the GYP_DEFINES environment variable:
 
