blob: 978c25cb4ca308d1dfb565ce146db8b4ca3b5eac [file] [log] [blame]
#!/usr/bin/env perl
# Copyright (C) 2005-2021 Apple Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. Neither the name of Apple Inc. ("Apple") nor the names of
# its contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
use strict;
use warnings;
use File::Path qw(make_path);
use File::Spec;
use FindBin;
use lib $FindBin::Bin;
use webkitdirs;
my $programName = basename($0);
my $usage = <<EOF;
Usage: $programName [options]
--32-bit Set the default architecture to 32-bit
--64-bit Set the default architecture to 64-bit
--[no-]asan Enable or disable clang address sanitizer
--[no-]tsan Enable or disable clang thread sanitizer
--[no-]ubsan Enable or disable clang undefined behavior sanitizer
--[no-]coverage Enable or disable LLVM Source-based Code Coverage
--force-optimization-level=<level> Optimization level: O3, O2, O1, O0, Os, Ofast, Og, or none
--lto-mode=<mode> Set LTO mode: full, thin, or none
--debug Set the default configuration to debug
--release Set the default configuration to release
--reset Reset configurations
-h, --help Show this message and exit
EOF
sub printCurrentSettings();
sub printUsage();
sub updateOrDeleteConfigurationFile($$$);
my $configuration = passedConfiguration();
my $architecture = passedArchitecture();
my $enableASAN = checkForArgumentAndRemoveFromARGV("--asan");
my $disableASAN = checkForArgumentAndRemoveFromARGV("--no-asan");
my $enableTSAN = checkForArgumentAndRemoveFromARGV("--tsan");
my $disableTSAN = checkForArgumentAndRemoveFromARGV("--no-tsan");
my $enableUBSAN = checkForArgumentAndRemoveFromARGV("--ubsan");
my $disableUBSAN = checkForArgumentAndRemoveFromARGV("--no-ubsan");
my $enableCoverage = checkForArgumentAndRemoveFromARGV("--coverage");
my $disableCoverage = checkForArgumentAndRemoveFromARGV("--no-coverage");
my $ltoMode;
if (!checkForArgumentAndRemoveFromARGVGettingValue("--lto-mode", \$ltoMode)) {
$ltoMode="";
}
my $forceOptimizationLevel;
if (!checkForArgumentAndRemoveFromARGVGettingValue("--force-optimization-level", \$forceOptimizationLevel)
&& !checkForArgumentAndRemoveFromARGVGettingValue("--force-opt", \$forceOptimizationLevel)) {
$forceOptimizationLevel="";
}
if (checkForArgumentAndRemoveFromARGV("-h") || checkForArgumentAndRemoveFromARGV("--help")) {
printUsage();
exit 1;
}
if (!$architecture) {
# Handle --64-bit explicitly here, as we don't want our other scripts to accept it
for my $i (0 .. $#ARGV) {
my $opt = $ARGV[$i];
if ($opt =~ /^--64-bit$/i) {
splice(@ARGV, $i, 1);
$architecture = 'x86_64';
}
}
}
my $baseProductDir = baseProductDir();
if (isAppleCocoaWebKit() && !isCMakeBuild()) {
markBaseProductDirectoryAsCreatedByXcodeBuildSystem();
} else {
make_path($baseProductDir);
}
if (checkForArgumentAndRemoveFromARGV("--reset")) {
for my $fileName (qw(Architecture ASan Configuration Coverage ForceOptimizationLevel LTO TSan UBSan)) {
unlink File::Spec->catfile($baseProductDir, $fileName);
}
printCurrentSettings();
exit 0;
}
if ($enableASAN && $enableTSAN) {
print STDERR "ERROR: Address Sanitizer and Thread Sanitzer can't be enabled together.\n";
printUsage();
exit 1;
}
if ($ltoMode && $ltoMode ne "full" && $ltoMode ne "thin" && $ltoMode ne "none") {
printUsage();
exit 1;
}
if ($forceOptimizationLevel
&& $forceOptimizationLevel ne "none"
&& $forceOptimizationLevel ne "O0"
&& $forceOptimizationLevel ne "O1"
&& $forceOptimizationLevel ne "O2"
&& $forceOptimizationLevel ne "O3"
&& $forceOptimizationLevel ne "Os"
&& $forceOptimizationLevel ne "Ofast"
&& $forceOptimizationLevel ne "Og") {
printUsage();
exit 1;
}
if ($configuration) {
open CONFIGURATION, ">", "$baseProductDir/Configuration" or die;
print CONFIGURATION $configuration;
close CONFIGURATION;
}
if ($architecture) {
if ($architecture ne "x86_64") {
open ARCHITECTURE, ">", "$baseProductDir/Architecture" or die;
print ARCHITECTURE $architecture;
close ARCHITECTURE;
} else {
unlink "$baseProductDir/Architecture";
}
}
updateOrDeleteConfigurationFile("ASan", $enableASAN, $disableASAN);
updateOrDeleteConfigurationFile("Coverage", $enableCoverage, $disableCoverage);
updateOrDeleteConfigurationFile("TSan", $enableTSAN, $disableTSAN);
updateOrDeleteConfigurationFile("UBSan", $enableUBSAN, $disableUBSAN);
if ($forceOptimizationLevel && $forceOptimizationLevel eq "none") {
unlink "$baseProductDir/ForceOptimizationLevel";
} elsif ($forceOptimizationLevel) {
open ForceOptimizationLevel, ">", "$baseProductDir/ForceOptimizationLevel" or die;
print ForceOptimizationLevel substr($forceOptimizationLevel, 1) . "\n";
close ForceOptimizationLevel;
}
if ($ltoMode) {
open LTO, ">", "$baseProductDir/LTO" or die;
print LTO "$ltoMode";
close LTO;
}
printCurrentSettings();
exit 0;
sub printCurrentSettings()
{
my $result = "Current settings:";
$result .= " Configuration:" . configuration();
$result .= " Arch:" . architecture() if architecture();
$result .= " ASan" if asanIsEnabled();
$result .= " TSan" if tsanIsEnabled();
$result .= " UBSan" if ubsanIsEnabled();
$result .= " Coverage" if coverageIsEnabled();
$result .= " LTOMode:" . ltoMode() if ltoMode();
$result .= " ForceOptimizationLevel:O" . forceOptimizationLevel() if forceOptimizationLevel();
print STDERR $result, "\n";
}
sub printUsage()
{
print STDERR $usage, "\n";
printCurrentSettings();
}
sub updateOrDeleteConfigurationFile($$$)
{
my ($fileName, $shouldEnable, $shouldDisable) = @_;
my $filePath = File::Spec->catfile($baseProductDir, $fileName);
if ($shouldEnable) {
open FILE, ">", $filePath or die;
print FILE "YES";
close FILE;
} elsif ($shouldDisable) {
unlink $filePath;
}
}