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#!/usr/bin/perl -w
#
# Starts the GNU Java compiler.
#
# Command-line arguments should be in the style of Sun's Java compiler;
# these will be converted to gcj arguments before being passed to the
# gcj itself.
#
# Copyright (C) 2002-2003 by Ben Burton <bab@debian.org>
# Based on the original gcj-wrapper-3.2 shell script.
use strict;
# The real Java compiler:
my $javaCompiler = '/usr/bin/gcj-@BV@';
# The command-line arguments to pass to the real Java compiler:
my @commandLine;
# The warning flags to pass to the GNU Java compiler:
my $warnings = '-Wall';
# Build the command-line from the arguments given.
my $parsingOptions = 1;
my $copyNextArg = 0;
my $ignoreNextArg = 0;
my $appendNextArg = '';
foreach my $arg (@ARGV) {
# See if we already know what to do with this argument.
if ($ignoreNextArg) {
# Throw it away.
$ignoreNextArg = 0;
next;
} elsif ($copyNextArg or not $parsingOptions) {
# Copy it directly.
push @commandLine, $arg;
$copyNextArg = 0;
next;
} elsif ($appendNextArg) {
# Append it to $appendNextArg and then copy directly.
push @commandLine, ($appendNextArg . $arg);
$appendNextArg = '';
next;
}
# Try to interpret Sun-style options.
if ($arg eq '-version') {
push @commandLine, '--version';
} elsif ($arg eq '-h' or $arg eq '-help') {
push @commandLine, '--help';
} elsif ($arg eq '-classpath' or $arg eq '--classpath' or $arg eq '--cp') {
$appendNextArg = '--classpath=';
} elsif ($arg eq '-encoding' or $arg eq '-bootclasspath' or
$arg eq '-extdirs') {
$appendNextArg = '-' . $arg . '=';
} elsif ($arg eq '-d') {
push @commandLine, '-d';
$copyNextArg = 1;
} elsif ($arg eq '-nowarn') {
$warnings = '';
} elsif ($arg =~ /^-g/) {
# Some kind of debugging option - just switch debugging on.
push @commandLine, '-g' if ($arg ne '-g:none');
} elsif ($arg eq '-O') {
push @commandLine, '-O2';
} elsif ($arg eq '-Xss') {
push @commandLine, $arg;
} elsif ($arg =~ /^-X/) {
# An extended Sun option (which we don't support).
push @commandLine, '--help' if ($arg eq '-X');
} elsif ($arg eq '-source' or $arg eq '-sourcepath' or $arg eq '-target') {
# An unsupported option with a following argument.
$ignoreNextArg = 1;
} elsif ($arg =~ /^-/) {
# An unsupported standalone option.
} else {
# Some non-option argument has been given.
# Stop parsing options at this point.
push @commandLine, $arg;
$parsingOptions = 0;
}
}
# Was there a partial argument that was never completed?
push @commandLine, $appendNextArg if ($appendNextArg);
# Call the real Java compiler.
my @fullCommandLine = ( $javaCompiler, '-C' );
push @fullCommandLine, $warnings if ($warnings);
push @fullCommandLine, @commandLine;
exec @fullCommandLine or exit(1);
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