/*
* Copyright 2014-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.cxx;
import com.facebook.buck.shell.ShellStep;
import com.facebook.buck.step.ExecutionContext;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import java.nio.file.Path;
public class CxxLinkStep extends ShellStep {
private final ImmutableMap<String, String> environment;
private final ImmutableList<String> linker;
private final Path argFilePath;
/** Directory to use to store intermediate/temp files used for linking. */
private final Path scratchDir;
public CxxLinkStep(
Path workingDirectory,
ImmutableMap<String, String> environment,
ImmutableList<String> linker,
Path argFilePath,
Path scratchDir) {
super(workingDirectory);
this.environment = environment;
this.linker = linker;
this.argFilePath = argFilePath;
this.scratchDir = scratchDir;
}
@Override
protected ImmutableList<String> getShellCommandInternal(ExecutionContext context) {
return ImmutableList.<String>builder().addAll(linker).add("@" + argFilePath.toString()).build();
}
@Override
public ImmutableMap<String, String> getEnvironmentVariables(ExecutionContext context) {
return ImmutableMap.<String, String>builder()
.putAll(environment)
// Set `TMPDIR` to `scratchDir` so that the linker uses it for it's temp and intermediate
// files.
.put("TMPDIR", scratchDir.toString())
.build();
}
@Override
public String getShortName() {
return "c++ link";
}
}