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import org.apache.tools.ant.taskdefs.condition.Os
buildscript {
repositories {
jcenter()
google()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.1.3'
}
}
allprojects {
repositories {
jcenter()
flatDir {
dirs rootDir.absolutePath + "/../../../target/android/aar"
}
google()
}
}
// Utility methods
String getTargetDir(boolean debug, String arch) {
def basePath = project.rootDir.getParentFile().getParentFile().getParentFile().absolutePath
return basePath + '/target/android/' + getSubTargetDir(debug, arch)
}
String getSubTargetDir(boolean debug, String arch) {
return getRustTarget(arch) + '/' + (debug ? 'debug' : 'release')
}
String getJniLibsPath(boolean debug, String arch) {
return getTargetDir(debug, arch) + '/apk/jniLibs'
}
static String getRustTarget(String arch) {
switch (arch.toLowerCase()) {
case 'arm' : return 'arm-linux-androideabi'
case 'armv7' : return 'armv7-linux-androideabi'
case 'arm64' : return 'aarch64-linux-android'
case 'x86' : return 'i686-linux-android'
default: throw new GradleException("Invalid target architecture " + arch)
}
}
static String getNDKAbi(String arch) {
switch (arch.toLowerCase()) {
case 'arm' : return 'armeabi'
case 'armv7' : return 'armeabi-v7a'
case 'arm64' : return 'arm64-v8a'
case 'x86' : return 'x86'
default: throw new GradleException("Invalid target architecture " + arch)
}
}
String getNdkDir() {
// Read environment variable used in rust build system
String ndkDir = System.getenv('ANDROID_NDK')
if (ndkDir == null) {
ndkDir = System.getenv('ANDROID_NDK_HOME')
}
if (ndkDir == null) {
ndkDir = System.getenv('ANDROID_NDK_ROOT')
}
if (ndkDir == null) {
// Fallback to ndkDir in local.properties
def rootDir = project.rootDir
def localProperties = new File(rootDir, "local.properties")
Properties properties = new Properties()
localProperties.withInputStream { instr ->
properties.load(instr)
}
ndkDir = properties.getProperty('ndk.dir')
}
def cmd = Os.isFamily(Os.FAMILY_WINDOWS) ? 'ndk-build.cmd' : 'ndk-build'
def ndkbuild = new File(ndkDir + '/' + cmd)
if (!ndkbuild.exists()) {
throw new GradleException("Please set a valid NDK_HOME environment variable" +
"or ndk.dir path in local.properties file");
}
return ndkbuild.absolutePath
}
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