cocos2d-x 3.2项目执行cocos compile -p android -j 4报错

cocos2d-x 3.2项目执行cocos compile -p android -j 4报错,这是什么原因呢?

NDK r9

F:Cocos2dIGame>cocos compile -p android -j 4
Running command: compile
Building mode: debug
building native
NDK build mode: debug
The Selected NDK toolchain version was 4.8 !
running: 'C:Androidandroid_ndk_r9ndk-build -C F:Cocos2dIGameproj.android -
j4 NDK_MODULE_PATH=F:Cocos2dIGameproj.android../cocos2d;F:Cocos2dIGamepro
j.android../cocos2d/cocos;F:Cocos2dIGameproj.android../cocos2d/external NDK
_DEBUG=1'

Android NDK: Invalid APP_STL value: c++_static
Android NDK: Please use one of the following instead: system stlport_static stl
port_shared gnustl_static gnustl_shared gabi++_static gabi++_shared none
make: Entering directory `F:/Cocos2d/IGame/proj.android'
C:/Android/android_ndk_r9/build/core/add-application.mk:254: *** Android NDK: Ab
orting . Stop.
make: Leaving directory `F:/Cocos2d/IGame/proj.android'
Error running command, return code: 2

你好 请问你的这个 android -j 4 是什么意思啊

IvenYangtekiMacBook-Pro-2:CocosJSGame zeroyang$ cocos compile -h
usage: cocos compile -h] -s SRC_DIR] -q] -p PLATFORM] -m MODE] -j JOBS]
–ap ANDROID_PLATFORM] --source-map] --no-res]

Compiles the current project to binary

optional arguments:
-h, --help show this help message and exit
-s SRC_DIR, --src SRC_DIR
project base directory
-q, --quiet less output
-p PLATFORM, --platform PLATFORM
select a platform (android, ios, mac, web, win32,
linux)
-m MODE, --mode MODE Set the compile mode, should be debug|release, default
is debug.
-j JOBS, --jobs JOBS Allow N jobs at once.

Android Options:
–ap ANDROID_PLATFORM
parameter for android-update.Without the parameter,the
script just build dynamic library for project. Valid
android-platform are:

Web Options:
–source-map Enable source-map

lua/js project arguments:
–no-res Package without project resources.

楼上正解
cocos compile -p android --ap 20 试试?:9: