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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.tools.ant.taskdefs.compilers;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.types.Commandline;
import org.apache.tools.ant.types.Path;
/**
* The implementation of the gcj compiler.
* This is primarily a cut-and-paste from the jikes.
*
* @since Ant 1.4
*/
public class Gcj extends DefaultCompilerAdapter {
/**
* Performs a compile using the gcj compiler.
* @return true if the compilation succeeded
* @throws BuildException on error
*/
public boolean execute() throws BuildException {
Commandline cmd;
attributes.log("Using gcj compiler", Project.MSG_VERBOSE);
cmd = setupGCJCommand();
int firstFileName = cmd.size();
logAndAddFilesToCompile(cmd);
return
executeExternalCompile(cmd.getCommandline(), firstFileName) == 0;
}
/**
* Set up the gcj commandline.
* @return the command line
*/
protected Commandline setupGCJCommand() {
Commandline cmd = new Commandline();
Path classpath = new Path(project);
// gcj doesn't support bootclasspath dir (-bootclasspath)
// so we'll emulate it for compatibility and convenience.
Path p = getBootClassPath();
if (p.size() > 0) {
classpath.append(p);
}
// gcj doesn't support an extension dir (-extdir)
// so we'll emulate it for compatibility and convenience.
if (extdirs != null || includeJavaRuntime) {
classpath.addExtdirs(extdirs);
}
classpath.append(getCompileClasspath());
// Gcj has no option for source-path so we
// will add it to classpath.
if (compileSourcepath != null) {
classpath.append(compileSourcepath);
} else {
classpath.append(src);
}
String exec = getJavac().getExecutable();
cmd.setExecutable(exec == null ? "gcj" : exec);
if (destDir != null) {
cmd.createArgument().setValue("-d");
cmd.createArgument().setFile(destDir);
if (!destDir.exists()
&& !(destDir.mkdirs() || destDir.isDirectory())) {
throw new BuildException("Can't make output directories. "
+ "Maybe permission is wrong. ");
}
}
cmd.createArgument().setValue("-classpath");
cmd.createArgument().setPath(classpath);
if (encoding != null) {
cmd.createArgument().setValue("--encoding=" + encoding);
}
if (debug) {
cmd.createArgument().setValue("-g1");
}
if (optimize) {
cmd.createArgument().setValue("-O");
}
/**
* gcj should be set for generate class.
* ... if no 'compile to native' argument is passed
*/
if (!isNativeBuild()) {
cmd.createArgument().setValue("-C");
}
if (attributes.getSource() != null) {
String source = attributes.getSource();
cmd.createArgument().setValue("-fsource=" + source);
}
if (attributes.getTarget() != null) {
String target = attributes.getTarget();
cmd.createArgument().setValue("-ftarget=" + target);
}
addCurrentCompilerArgs(cmd);
return cmd;
}
/**
* Whether any of the arguments given via <compilerarg>
* implies that compilation to native code is requested.
* @return true if compilation to native code is requested
* @since Ant 1.6.2
*/
public boolean isNativeBuild() {
boolean nativeBuild = false;
String[] additionalArguments = getJavac().getCurrentCompilerArgs();
int argsLength = 0;
while (!nativeBuild && argsLength < additionalArguments.length) {
int conflictLength = 0;
while (!nativeBuild
&& conflictLength < CONFLICT_WITH_DASH_C.length) {
nativeBuild = (additionalArguments[argsLength].startsWith
(CONFLICT_WITH_DASH_C[conflictLength]));
conflictLength++;
}
argsLength++;
}
return nativeBuild;
}
private static final String [] CONFLICT_WITH_DASH_C = {
"-o" , "--main=", "-D", "-fjni", "-L"
};
}
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