[英]Android NDK : make: *** No rule to make target. Stop
我正在嘗試使用 NDK 構建libusb 。 這是我的Android.mk
和Application.mk
我檢查了這個線程Android NDK: No rule to make target但它對我不起作用。
安卓.mk
include $(CLEAR_VARS)
LOCAL_MODULE := libusb
LOCAL_SRC_FILES := libusb/core.c libusb/descriptor.c libusb/io.c libusb/sync.c libusb/os/linux_usbfs.c
LOCAL_LDLIBS := -llog
include $(BUILD_SHARED_LIBRARY)
應用程序.mk
APP_ABI:= all
APP_LDFLAGS:= -llog
APP_STL:= stlport_shared
APP_CPP_FEATURES:= exceptions
APP_PLATFORM:= android-21
APP_CFLAGS:= -g
構建.gradle
apply plugin: 'com.android.application'
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
android {
compileSdkVersion 26
buildToolsVersion "26.0.0"
defaultConfig {
applicationId "com.williams.libusbpoc"
minSdkVersion 21
targetSdkVersion 26
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
androidTestImplementation ('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
implementation 'com.android.support:appcompat-v7:26.0.0-beta2'
testImplementation 'junit:junit:4.12'
implementation 'com.android.support.constraint:constraint-layout:1.0.2'
}
本地屬性
ndk.dir=C\:\\android-ndk-r15
項目結構如下所示:
當我運行ndk-build
我得到
ndk-build
Android NDK: WARNING: APP_PLATFORM android-21 is higher than android:minSdkVersion 1 in D:/williams/android/libusbpoc/app/src/main/AndroidManifest.xml. NDK binaries will *not* be comptible with devices older than android-21. See https://android.googlesource.com/platform/ndk/+/master/docs/user/common_problems.md for more information.
make: *** No rule to make target `C:/android-ndk-r15/build//../sources/cxx-stl/stlport/libusb/core.c', needed by `D:/williams/android/libusbpoc/app/src/main/obj/local/arm64-v8a/objs/usb/libusb/core.o'. Stop.
有誰知道我做錯了什么?
看起來你忘記設置LOCAL_PATH
,即在你的Android.mk
你應該有:
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
# ..etc as before..
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