我正在设置 Buck 以加快 Android 应用程序的构建。该应用通过 appcompat-v7:21.0.+ 库使用 Material Theme，但 Buck 找不到所需的资源。有什么提示吗？
这是错误输出：
$ buck build //app/src/main:main
Using buckd.
[-] PROCESSING BUCK FILES...FINISHED 0.4s
[+] BUILDING...2.0s (3/6 JOBS)
|=> IDLE
|=> IDLE
|=> IDLE
|=> //app/src/main:main#aapt_package... 1.5s (running aapt_package[1.5s])
Log:
No Android platform target specified. Using default: Google Inc.:Google APIs:21
app/src/main/res/values/styles.xml:4: error: Error retrieving parent for item: No resource found that matches the given name 'Theme.AppCompat.Light.DarkActionBar'.
app/src/main/res/values/styles.xml:14: error: Error: No resource found that matches the given name: attr 'actionBarSize'.
app/src/main/res/values-v21/styles.xml:4: error: Error retrieving parent for item: No resource found that matches the given name 'Theme.AppCompat.Light.DarkActionBar'.
app/src/main/res/values/styles.xml:23: error: Error retrieving parent for item: No resource found that matches the given name 'Theme.AppCompat.Light.DarkActionBar'.
app/src/main/res/values/styles.xml:33: error: Error: No resource found that matches the given name: attr 'actionBarSize'.
app/src/main/res/values/styles.xml:29: error: Error: No resource found that matches the given name: attr 'colorPrimary'.
app/src/main/res/values/styles.xml:38: error: Error: No resource found that matches the given name: attr 'editTextColor'.
app/src/main/res/values-v21/styles.xml:14: error: Error retrieving parent for item: No resource found that matches the given name 'Theme.AppCompat.Light.DarkActionBar'.
app/src/main/res/values-v21/styles.xml:32: error: Error: No resource found that matches the given name: attr 'colorPrimary'.
BUILD FAILED: //app/src/main:main#aapt_package failed with exit code 1:
aapt_package