/*
* Copyright 2013 the original author or authors.
*
* 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 org.gradle.nativeplatform.toolchain.internal.gcc;
import org.gradle.api.internal.tasks.SimpleWorkResult;
import org.gradle.language.base.internal.compile.Compiler;
import org.gradle.api.tasks.WorkResult;
import org.gradle.nativeplatform.internal.LinkerSpec;
import org.gradle.nativeplatform.internal.SharedLibraryLinkerSpec;
import org.gradle.nativeplatform.platform.OperatingSystem;
import org.gradle.nativeplatform.toolchain.internal.ArgsTransformer;
import org.gradle.nativeplatform.toolchain.internal.CommandLineTool;
import org.gradle.nativeplatform.toolchain.internal.CommandLineToolInvocation;
import org.gradle.nativeplatform.toolchain.internal.MutableCommandLineToolInvocation;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
class GccLinker implements Compiler<LinkerSpec> {
private final CommandLineTool commandLineTool;
private final ArgsTransformer<LinkerSpec> argsTransformer;
private final CommandLineToolInvocation baseInvocation;
private final boolean useCommandFile;
public GccLinker(CommandLineTool commandLineTool, CommandLineToolInvocation baseInvocation, boolean useCommandFile) {
this.argsTransformer = new GccLinkerArgsTransformer();
this.baseInvocation = baseInvocation;
this.useCommandFile = useCommandFile;
this.commandLineTool = commandLineTool;
}
public WorkResult execute(LinkerSpec spec) {
MutableCommandLineToolInvocation invocation = baseInvocation.copy();
if (useCommandFile) {
invocation.addPostArgsAction(new GccOptionsFileArgTransformer(spec.getTempDir()));
}
invocation.setArgs(argsTransformer.transform(spec));
commandLineTool.execute(invocation);
return new SimpleWorkResult(true);
}
private static class GccLinkerArgsTransformer implements ArgsTransformer<LinkerSpec> {
public List<String> transform(LinkerSpec spec) {
List<String> args = new ArrayList<String>();
args.addAll(spec.getSystemArgs());
if (spec instanceof SharedLibraryLinkerSpec) {
args.add("-shared");
maybeSetInstallName((SharedLibraryLinkerSpec) spec, args);
}
args.add("-o");
args.add(spec.getOutputFile().getAbsolutePath());
for (File file : spec.getObjectFiles()) {
args.add(file.getAbsolutePath());
}
for (File file : spec.getLibraries()) {
args.add(file.getAbsolutePath());
}
if (!spec.getLibraryPath().isEmpty()) {
throw new UnsupportedOperationException("Library Path not yet supported on GCC");
}
for (String userArg : spec.getArgs()) {
args.add(userArg);
}
return args;
}
private void maybeSetInstallName(SharedLibraryLinkerSpec spec, List<String> args) {
String installName = spec.getInstallName();
OperatingSystem targetOs = spec.getTargetPlatform().getOperatingSystem();
if (installName == null || targetOs.isWindows()) {
return;
}
if (targetOs.isMacOsX()) {
args.add("-Wl,-install_name," + installName);
} else {
args.add("-Wl,-soname," + installName);
}
}
}
}