/** Execute the actual compilation for each of the given files. */
private void compile() {
// let everyone know what we're doing
task.log("Starting Compile ");
// generate the command line
Commandline command = generateCompileCommand();
// get all the files that we should compile
// this will run checks for things like incremental compiling
File objectDirectory = configuration.getObjectDirectory();
File[] filesToCompile = helper.getFilesThatNeedCompiling(objectDirectory);
task.log("" + filesToCompile.length + " files to be compiled.");
// Do the compile
// We have to support parallel builds by ourselves, so we throw a bunch of compile tasks
// into a queue and process with an executor and then wait for them all to finish
ExecutorService executor = Executors.newFixedThreadPool(configuration.getThreadCount());
// create a runnable task for the compilation of each file and submit it
for (File sourceFile : filesToCompile)
executor.submit(new CompileTask(sourceFile, objectDirectory, command));
// run the executor over the queue
executor.shutdown();
while (executor.isTerminated() == false) {
try {
executor.awaitTermination(500, TimeUnit.MILLISECONDS);
} catch (InterruptedException ie) {
/* just carry on */
}
}
task.log("Compile complete");
}
/**
* This method is the main manager of the linking process. It should only be run if an "outfile"
* has been provided in the configuration. It will attempt to link all the files in the objdir
* into a simple executable/library.
*/
private void link() {
// generate the command line
Commandline commandline = generateLinkCommand();
// create the execution object
Execute runner =
new Execute(
new LogStreamHandler(configuration.getTask(), Project.MSG_INFO, Project.MSG_WARN));
runner.setCommandline(commandline.getCommandline());
// run the command
try {
task.log("Starting Link ");
task.log(commandline.toString(), Project.MSG_DEBUG);
int exitValue = runner.execute();
if (exitValue != 0) throw new BuildException("Link Failed, (exit value: " + exitValue + ")");
} catch (IOException e) {
String msg =
"There was a problem running the linker, this usually occurs when the "
+ "linker can't be found, make sure it is on your path. full error: "
+ e.getMessage();
throw new BuildException(msg, e);
}
task.log("Link complete. Library in directory: " + configuration.getOutputDirectory());
task.log(""); // a little bit of space
}
//////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////// Private Helper Methods /////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////
private void debug(String message) {
task.log(message, Project.MSG_DEBUG);
}