| /* |
| * Copyright 2012-present Facebook, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| * not use this file except in compliance with the License. You may obtain |
| * a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package com.facebook.buck.android; |
| |
| import com.facebook.buck.shell.ShellStep; |
| import com.facebook.buck.step.ExecutionContext; |
| import com.facebook.buck.util.HumanReadableException; |
| import com.facebook.buck.util.ProjectFilesystem; |
| import com.facebook.buck.util.Verbosity; |
| import com.google.common.base.Function; |
| import com.google.common.base.Optional; |
| import com.google.common.base.Preconditions; |
| import com.google.common.collect.ImmutableList; |
| |
| import java.io.File; |
| import java.nio.file.Path; |
| |
| public class NdkBuildStep extends ShellStep { |
| |
| private final String makefileDirectory; |
| private final String makefilePath; |
| private final String buildArtifactsDirectory; |
| private final Path binDirectory; |
| private final ImmutableList<String> flags; |
| private final int maxJobCount; |
| |
| public NdkBuildStep( |
| String makefileDirectory, |
| String buildArtifactsDirectory, |
| Path binDirectory, |
| Iterable<String> flags) { |
| this.makefileDirectory = Preconditions.checkNotNull(makefileDirectory); |
| Preconditions.checkArgument(makefileDirectory.endsWith("/")); |
| this.makefilePath = this.makefileDirectory + "Android.mk"; |
| this.buildArtifactsDirectory = Preconditions.checkNotNull(buildArtifactsDirectory); |
| this.binDirectory = Preconditions.checkNotNull(binDirectory); |
| this.flags = ImmutableList.copyOf(flags); |
| this.maxJobCount = Runtime.getRuntime().availableProcessors(); |
| } |
| |
| @Override |
| public String getShortName() { |
| return "ndk_build"; |
| } |
| |
| @Override |
| protected boolean shouldPrintStderr(Verbosity verbosity) { |
| return verbosity.shouldPrintStandardInformation(); |
| } |
| |
| @Override |
| protected ImmutableList<String> getShellCommandInternal(ExecutionContext context) { |
| Optional<File> ndkRoot = context.getNdkRoot(); |
| if (!ndkRoot.isPresent()) { |
| throw new HumanReadableException("Must define a local.properties file" |
| + " with a property named 'ndk.dir' that points to the absolute path of" |
| + " your Android NDK directory, or set ANDROID_NDK."); |
| } |
| |
| ImmutableList.Builder<String> builder = ImmutableList.builder(); |
| builder.add( |
| ndkRoot.get().getAbsolutePath() + "/ndk-build", |
| "-j", |
| Integer.toString(this.maxJobCount), |
| "-C", |
| this.makefileDirectory); |
| |
| builder.addAll(this.flags); |
| |
| ProjectFilesystem projectFilesystem = context.getProjectFilesystem(); |
| Function<String, Path> pathRelativizer = projectFilesystem.getPathRelativizer(); |
| builder.add( |
| "APP_PROJECT_PATH=" + pathRelativizer.apply(this.buildArtifactsDirectory) + "/", |
| "APP_BUILD_SCRIPT=" + pathRelativizer.apply(this.makefilePath), |
| "NDK_OUT=" + pathRelativizer.apply(this.buildArtifactsDirectory) + "/", |
| "NDK_LIBS_OUT=" + projectFilesystem.resolve(binDirectory)); |
| |
| return builder.build(); |
| } |
| } |