Tools/Scripts/build-webkit - third_party/webkit - Git at Google


            
            #!/usr/bin/perl -w


            # Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Apple Inc. All rights reserved.

            
            # Copyright (C) 2009 Google Inc. All rights reserved.

            
            # Copyright (C) 2010 moiji-mobile.com All rights reserved.

            
            # Copyright (C) 2011 Research In Motion Limited. All rights reserved.

            
            # Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).

            
            #

            
            # 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.


            # Build script wrapper for the WebKit Open Source Project.


            use strict;

            
            use File::Basename;

            
            use File::Find;

            
            use File::Spec;

            
            use FindBin;

            
            use Getopt::Long qw(:config pass_through no_auto_abbrev);

            
            use lib $FindBin::Bin;

            
            use webkitdirs;

            
            use List::Util qw(first);

            
            use webkitperl::FeatureList qw(getFeatureOptionList);

            
            use POSIX;


            sub cMakeArgsFromFeatures();

            
            sub writeCongrats();


            my $originalWorkingDirectory = getcwd();

            
            chdirWebKit();


            my $showHelp = 0;

            
            my $clean = 0;

            
            my $minimal = 0;

            
            my $installHeaders;

            
            my $installLibs;

            
            my $prefixPath;

            
            my $makeArgs = "";

            
            my @cmakeArgs;

            
            my $onlyWebKitProject = 0;

            
            my $coverageSupport = 0;

            
            my $shouldRunStaticAnalyzer = 0;

            
            my $startTime = time();


            my @features = getFeatureOptionList();


            # Additional environment parameters

            
            push @ARGV, split(/ /, $ENV{'BUILD_WEBKIT_ARGS'}) if ($ENV{'BUILD_WEBKIT_ARGS'});


            # Initialize values from defaults

            
            foreach (@ARGV) {

            
                if ($_ eq '--minimal') {

            
                    $minimal = 1;

            
                }

            
            }


            # Initialize values from defaults

            
            foreach (@features) {

            
                ${$_->{value}} = ($minimal ? 0 : $_->{default});

            
            }


            my $programName = basename($0);

            
            my $usage = <<EOF;

            
            Usage: $programName [options] [options to pass to build system]

            
              --help                            Show this help message

            
              --clean                           Cleanup the build directory

            
              --debug                           Compile with Debug configuration

            
              --release                         Compile with Release configuration

            
              --sdk=<sdk>                       Use a specific Xcode SDK (iOS and Mac only)

            
              --device                          Use "iphoneos.internal" SDK if installed, else "iphoneos" SDK (iOS only)

            
              --ios-simulator                   Use the current iphonesimulator SDK (iOS only)

            
              --coverage                        Enable code coverage support (Mac only)

            
              --analyze                         Enable static anaylsis (iOS and Mac only)


              --efl                             Build the EFL port

            
              --gtk                             Build the GTK+ port

            
              --wincairo                        Build using Cairo (rather than CoreGraphics) on Windows


              --inspector-frontend              Copy Web Inspector user interface resources to the build directory


              --prefix=<path>                   Set installation prefix to the given path (Gtk/Efl only)

            
              --makeargs=<arguments>            Optional Makefile flags

            
              --cmakeargs=<arguments>           One or more optional CMake flags (e.g. --cmakeargs="-DFOO=bar -DCMAKE_PREFIX_PATH=/usr/local")


              --minimal                         No optional features, unless explicitly enabled


              --only-webkit                     Build only the WebKit project


            EOF


            my %options = (

            
                'help' => \$showHelp,

            
                'clean' => \$clean,

            
                'install-headers=s' => \$installHeaders,

            
                'install-libs=s' => \$installLibs,

            
                'prefix=s' => \$prefixPath,

            
                'makeargs=s' => \$makeArgs,

            
                'cmakeargs=s' => \@cmakeArgs,

            
                'minimal' => \$minimal,

            
                'only-webkit' => \$onlyWebKitProject,

            
                'coverage' => \$coverageSupport,

            
                'analyze' => \$shouldRunStaticAnalyzer,

            
            );


            # Build usage text and options list from features

            
            foreach (@features) {

            
                my $opt = sprintf("%-35s", "  --[no-]$_->{option}");

            
                $usage .= "$opt $_->{desc} (default: $_->{default})\n";

            
                $options{"$_->{option}!"} = $_->{value};

            
            }


            GetOptions(%options);


            if ($showHelp) {

            
               print STDERR $usage;

            
               exit 1;

            
            }


            checkRequiredSystemConfig();

            
            setConfiguration();


            my $productDir = productDir();


            # Check that all the project directories are there.

            
            my @projects = ("Source/JavaScriptCore", "Source/WebCore", "Source/WebKit");


            # Build WTF as a separate static library on ports which support it.

            
            splice @projects, 0, 0, "Source/WTF" if isAppleWebKit() or isWinCairo();


            splice @projects, 0, 0, "Source/bmalloc" if isAppleMacWebKit();


            # Ports using CMake will check if directories exist in the CMake configuration.

            
            if (!isCMakeBuild()) {

            
                for my $dir (@projects) {

            
                    if (! -d $dir) {

            
                        die "Error: No $dir directory found. Please do a fresh checkout.\n";

            
                    }

            
                }

            
            }


            if ((isAppleWebKit() || isWinCairo()) && !-d "WebKitLibraries") {

            
                die "Error: No WebKitLibraries directory found. Please do a fresh checkout.\n";

            
            }


            my @options = ();


            if (isAppleMacWebKit()) {

            
                push @options, XcodeOptions();

            
                sub option($$$)

            
                {

            
                    my ($feature, $isEnabled, $defaultValue) = @_;

            
                    return "" if $defaultValue == $isEnabled;

            
                    return $feature . "=" . ($isEnabled ? $feature : "");

            
                }


                foreach (@features) {

            
                    my $option = option($_->{define}, ${$_->{value}}, $_->{default});

            
                    push @options, $option unless $option eq "";

            
                }


                # ANGLE must come before WebCore

            
                splice @projects, 0, 0, "Source/ThirdParty/ANGLE";


                push @projects, ("Source/WebKit2");


                if (!isIOSWebKit()) {

            
                    push @projects, ("Tools/MiniBrowser");


                    # WebInspectorUI must come after JavaScriptCore and WebCore but before WebKit and WebKit2

            
                    my $webKitIndex = first { $projects[$_] eq "Source/WebKit" } 0..$#projects;

            
                    splice(@projects, $webKitIndex, 0, "Source/WebInspectorUI");


                    # Copy library and header from WebKitLibraries to a findable place in the product directory.

            
                    my @copyLibrariesArgs = ("perl", "Tools/Scripts/copy-webkitlibraries-to-product-directory", "--wksi",  productDir());

            
                    print(join(" ", @copyLibrariesArgs) . "\n");

            
                    (system(@copyLibrariesArgs) == 0) or die;

            
                } else {

            
                    my @copyLibrariesArgs = ("perl", "Tools/Scripts/copy-webkitlibraries-to-product-directory", "--sdk", xcodeSDK(), "--wksi");

            
                    push @copyLibrariesArgs, productDir();

            
                    print(join(" ", @copyLibrariesArgs) . "\n");

            
                    (system(@copyLibrariesArgs) == 0) or die;


                    if (willUseIOSSimulatorSDK()) {

            
                        (system("perl", "Tools/Scripts/build-layouttestrelay", argumentsForConfiguration()) == 0) or die;

            
                    }

            
                }


                # Build Tools needed for Apple ports

            
                push @projects, ("Tools/DumpRenderTree", "Tools/WebKitTestRunner", "Source/ThirdParty/gtest", "Tools/TestWebKitAPI");


            } elsif (isWinCairo()) {

            
                (system("perl Tools/Scripts/update-webkit-wincairo-libs") == 0) or die;

            
            } elsif (isAppleWinWebKit()) {

            
                # Copy WebKitSupportLibrary to the correct location in WebKitLibraries so it can be found.

            
                # Will fail if WebKitSupportLibrary.zip is not in source root.

            
                (system("perl Tools/Scripts/update-webkit-support-libs") == 0) or die;

            
            }


            # If asked to build just the WebKit project, overwrite the projects

            
            # list after all of the port specific tweaks have been made to

            
            # build options, etc.

            
            @projects = ("Source/WebKit") if $onlyWebKitProject;


            my $result = 0;


            if (isInspectorFrontend()) {

            
                die "The --inspector-frontend option is not supported for CMake-based builds." if isCMakeBuild();

            
                @projects = ("Source/WebInspectorUI");

            
            }


            if (isCMakeBuild() && !isAnyWindows()) {


                # By default we build using all of the available CPUs.

            
                $makeArgs .= ($makeArgs ? " " : "") . "-j" . numberOfCPUs() if $makeArgs !~ /-j\s*\d+/;

            
                my $maxCPULoad = maxCPULoad() if $makeArgs !~ /-l\s*\d+\.?\d*/;

            
                $makeArgs .= " -l" . maxCPULoad() if defined $maxCPULoad;


                # We remove CMakeCache to avoid the bots to reuse cached flags when

            
                # we enable new features. This forces a reconfiguration.

            
                my @featureArgs = cMakeArgsFromFeatures();

            
                removeCMakeCache(@featureArgs);


                buildCMakeProjectOrExit($clean, $prefixPath, $makeArgs, (cmakeBasedPortArguments(), @featureArgs), @cmakeArgs);

            
            }


            my $baseProductDir = baseProductDir();

            
            if (isAppleWinWebKit() || isWinCairo()) {

            
                my @featureArgs = cMakeArgsFromFeatures();

            
                removeCMakeCache(@featureArgs);


                chdirWebKit();

            
                if (exitStatus(generateBuildSystemFromCMakeProject())) {

            
                    die "Run \"C:/Program Files (x86)/Microsoft Visual Studio 14.0/VC/vcvarsall.bat\" before build-webkit when using ninja";

            
                }

            
                chdirWebKit();

            
                if (canUseNinja()) {

            
                    chdir File::Spec->catdir($baseProductDir, configuration());

            
                    $result = system("ninja");

            
                } else {

            
                    $result = buildVisualStudioProject(File::Spec->catfile("WebKitBuild", configuration(), "WebKit.sln"), $clean);

            
                }

            
                if (exitStatus($result)) {

            
                    my $scriptDir = relativeScriptsDir();

            
                    if (isAppleWinWebKit() || isWinCairo()) {

            
                        print "\n\n===== BUILD FAILED ======\n\n";

            
                        print "Please ensure you have run $scriptDir/update-webkit to install dependencies.\n\n";

            
                        print "You can view build errors by checking the BuildLog.htm files located at:\n$baseProductDir/obj/<project>/<config>.\n";

            
                    }

            
                    exit exitStatus($result);

            
                }

            
            } elsif (isAppleMacWebKit() && !isCMakeBuild()) {

            
                # Build, and abort if the build fails.

            
                for my $dir (@projects) {

            
                    chdir $dir or die;

            
                    $result = 0;


                    my $project = basename($dir);


                    my @local_options = @options;

            
                    push @local_options, XcodeCoverageSupportOptions() if $coverageSupport;

            
                    push @local_options, XcodeStaticAnalyzerOption() if $shouldRunStaticAnalyzer;

            
                    my $projectPath = $project =~ /gtest/ ? "xcode/gtest" : $project;

            
                    $result = buildXCodeProject($projectPath, $clean, @local_options, @ARGV);


                    # Various build* calls above may change the CWD.

            
                    chdirWebKit();


                    if (exitStatus($result)) {

            
                        exit exitStatus($result);

            
                    }

            
                }

            
            }


            # Don't report the "WebKit is now built" message after a clean operation.

            
            exit if $clean;


            # Don't report congrats message if build was interrupted by the user.

            
            exit if ($result & 127) == SIGINT;


            # Explicitly chdir back to where exit will take us anyway, since the following "launcher"

            
            # message is relative to that directory.

            
            chdir $originalWorkingDirectory;


            # Write out congratulations message.

            
            writeCongrats();


            exit 0;


            sub cMakeArgsFromFeatures()

            
            {

            
                my @args;

            
                foreach (@features) {

            
                    my $featureName = $_->{define};

            
                    if ($featureName) {

            
                        my $featureEnabled = ${$_->{value}} ? "ON" : "OFF";

            
                        push @args, "-D$featureName=$featureEnabled";

            
                    }

            
                }

            
                return @args;

            
            }


            sub writeCongrats()

            
            {

            
                my $launcherPath = launcherPath();

            
                my $launcherName = launcherName();

            
                my $endTime = time();

            
                my $buildTime = formatBuildTime($endTime - $startTime);


                print "\n";

            
                print "====================================================================\n";

            
                print " WebKit is now built ($buildTime). \n";

            
                if ($launcherPath && $launcherName) {

            
                    print " To run $launcherName with this newly-built code, use the\n";

            
                    print " \"$launcherPath\" script.\n";

            
                }

            
                print "====================================================================\n";

            
            }
	#!/usr/bin/perl -w

	# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Apple Inc. All rights reserved.
	# Copyright (C) 2009 Google Inc. All rights reserved.
	# Copyright (C) 2010 moiji-mobile.com All rights reserved.
	# Copyright (C) 2011 Research In Motion Limited. All rights reserved.
	# Copyright (C) 2013 Nokia Corporation and/or its subsidiary(-ies).
	#
	# 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.

	# Build script wrapper for the WebKit Open Source Project.

	use strict;
	use File::Basename;
	use File::Find;
	use File::Spec;
	use FindBin;
	use Getopt::Long qw(:config pass_through no_auto_abbrev);
	use lib $FindBin::Bin;
	use webkitdirs;
	use List::Util qw(first);
	use webkitperl::FeatureList qw(getFeatureOptionList);
	use POSIX;

	sub cMakeArgsFromFeatures();
	sub writeCongrats();

	my $originalWorkingDirectory = getcwd();
	chdirWebKit();

	my $showHelp = 0;
	my $clean = 0;
	my $minimal = 0;
	my $installHeaders;
	my $installLibs;
	my $prefixPath;
	my $makeArgs = "";
	my @cmakeArgs;
	my $onlyWebKitProject = 0;
	my $coverageSupport = 0;
	my $shouldRunStaticAnalyzer = 0;
	my $startTime = time();

	my @features = getFeatureOptionList();

	# Additional environment parameters
	push @ARGV, split(/ /, $ENV{'BUILD_WEBKIT_ARGS'}) if ($ENV{'BUILD_WEBKIT_ARGS'});

	# Initialize values from defaults
	foreach (@ARGV) {
	if ($_ eq '--minimal') {
	$minimal = 1;
	}
	}

	# Initialize values from defaults
	foreach (@features) {
	${$_->{value}} = ($minimal ? 0 : $_->{default});
	}

	my $programName = basename($0);
	my $usage = <<EOF;
	Usage: $programName [options] [options to pass to build system]
	--help Show this help message
	--clean Cleanup the build directory
	--debug Compile with Debug configuration
	--release Compile with Release configuration
	--sdk=<sdk> Use a specific Xcode SDK (iOS and Mac only)
	--device Use "iphoneos.internal" SDK if installed, else "iphoneos" SDK (iOS only)
	--ios-simulator Use the current iphonesimulator SDK (iOS only)
	--coverage Enable code coverage support (Mac only)
	--analyze Enable static anaylsis (iOS and Mac only)

	--efl Build the EFL port
	--gtk Build the GTK+ port
	--wincairo Build using Cairo (rather than CoreGraphics) on Windows

	--inspector-frontend Copy Web Inspector user interface resources to the build directory

	--prefix=<path> Set installation prefix to the given path (Gtk/Efl only)
	--makeargs=<arguments> Optional Makefile flags
	--cmakeargs=<arguments> One or more optional CMake flags (e.g. --cmakeargs="-DFOO=bar -DCMAKE_PREFIX_PATH=/usr/local")

	--minimal No optional features, unless explicitly enabled

	--only-webkit Build only the WebKit project

	EOF

	my %options = (
	'help' => \$showHelp,
	'clean' => \$clean,
	'install-headers=s' => \$installHeaders,
	'install-libs=s' => \$installLibs,
	'prefix=s' => \$prefixPath,
	'makeargs=s' => \$makeArgs,
	'cmakeargs=s' => \@cmakeArgs,
	'minimal' => \$minimal,
	'only-webkit' => \$onlyWebKitProject,
	'coverage' => \$coverageSupport,
	'analyze' => \$shouldRunStaticAnalyzer,
	);

	# Build usage text and options list from features
	foreach (@features) {
	my $opt = sprintf("%-35s", " --[no-]$_->{option}");
	$usage .= "$opt $_->{desc} (default: $_->{default})\n";
	$options{"$_->{option}!"} = $_->{value};
	}

	GetOptions(%options);

	if ($showHelp) {
	print STDERR $usage;
	exit 1;
	}

	checkRequiredSystemConfig();
	setConfiguration();

	my $productDir = productDir();

	# Check that all the project directories are there.
	my @projects = ("Source/JavaScriptCore", "Source/WebCore", "Source/WebKit");

	# Build WTF as a separate static library on ports which support it.
	splice @projects, 0, 0, "Source/WTF" if isAppleWebKit() or isWinCairo();

	splice @projects, 0, 0, "Source/bmalloc" if isAppleMacWebKit();

	# Ports using CMake will check if directories exist in the CMake configuration.
	if (!isCMakeBuild()) {
	for my $dir (@projects) {
	if (! -d $dir) {
	die "Error: No $dir directory found. Please do a fresh checkout.\n";
	}
	}
	}

	if ((isAppleWebKit() \|\| isWinCairo()) && !-d "WebKitLibraries") {
	die "Error: No WebKitLibraries directory found. Please do a fresh checkout.\n";
	}

	my @options = ();

	if (isAppleMacWebKit()) {
	push @options, XcodeOptions();
	sub option($$$)
	{
	my ($feature, $isEnabled, $defaultValue) = @_;
	return "" if $defaultValue == $isEnabled;
	return $feature . "=" . ($isEnabled ? $feature : "");
	}

	foreach (@features) {
	my $option = option($_->{define}, ${$_->{value}}, $_->{default});
	push @options, $option unless $option eq "";
	}

	# ANGLE must come before WebCore
	splice @projects, 0, 0, "Source/ThirdParty/ANGLE";

	push @projects, ("Source/WebKit2");

	if (!isIOSWebKit()) {
	push @projects, ("Tools/MiniBrowser");

	# WebInspectorUI must come after JavaScriptCore and WebCore but before WebKit and WebKit2
	my $webKitIndex = first { $projects[$_] eq "Source/WebKit" } 0..$#projects;
	splice(@projects, $webKitIndex, 0, "Source/WebInspectorUI");

	# Copy library and header from WebKitLibraries to a findable place in the product directory.
	my @copyLibrariesArgs = ("perl", "Tools/Scripts/copy-webkitlibraries-to-product-directory", "--wksi", productDir());
	print(join(" ", @copyLibrariesArgs) . "\n");
	(system(@copyLibrariesArgs) == 0) or die;
	} else {
	my @copyLibrariesArgs = ("perl", "Tools/Scripts/copy-webkitlibraries-to-product-directory", "--sdk", xcodeSDK(), "--wksi");
	push @copyLibrariesArgs, productDir();
	print(join(" ", @copyLibrariesArgs) . "\n");
	(system(@copyLibrariesArgs) == 0) or die;

	if (willUseIOSSimulatorSDK()) {
	(system("perl", "Tools/Scripts/build-layouttestrelay", argumentsForConfiguration()) == 0) or die;
	}
	}

	# Build Tools needed for Apple ports
	push @projects, ("Tools/DumpRenderTree", "Tools/WebKitTestRunner", "Source/ThirdParty/gtest", "Tools/TestWebKitAPI");

	} elsif (isWinCairo()) {
	(system("perl Tools/Scripts/update-webkit-wincairo-libs") == 0) or die;
	} elsif (isAppleWinWebKit()) {
	# Copy WebKitSupportLibrary to the correct location in WebKitLibraries so it can be found.
	# Will fail if WebKitSupportLibrary.zip is not in source root.
	(system("perl Tools/Scripts/update-webkit-support-libs") == 0) or die;
	}

	# If asked to build just the WebKit project, overwrite the projects
	# list after all of the port specific tweaks have been made to
	# build options, etc.
	@projects = ("Source/WebKit") if $onlyWebKitProject;

	my $result = 0;

	if (isInspectorFrontend()) {
	die "The --inspector-frontend option is not supported for CMake-based builds." if isCMakeBuild();
	@projects = ("Source/WebInspectorUI");
	}

	if (isCMakeBuild() && !isAnyWindows()) {

	# By default we build using all of the available CPUs.
	$makeArgs .= ($makeArgs ? " " : "") . "-j" . numberOfCPUs() if $makeArgs !~ /-j\s*\d+/;
	my $maxCPULoad = maxCPULoad() if $makeArgs !~ /-l\s\d+\.?\d/;
	$makeArgs .= " -l" . maxCPULoad() if defined $maxCPULoad;

	# We remove CMakeCache to avoid the bots to reuse cached flags when
	# we enable new features. This forces a reconfiguration.
	my @featureArgs = cMakeArgsFromFeatures();
	removeCMakeCache(@featureArgs);

	buildCMakeProjectOrExit($clean, $prefixPath, $makeArgs, (cmakeBasedPortArguments(), @featureArgs), @cmakeArgs);
	}

	my $baseProductDir = baseProductDir();
	if (isAppleWinWebKit() \|\| isWinCairo()) {
	my @featureArgs = cMakeArgsFromFeatures();
	removeCMakeCache(@featureArgs);

	chdirWebKit();
	if (exitStatus(generateBuildSystemFromCMakeProject())) {
	die "Run \"C:/Program Files (x86)/Microsoft Visual Studio 14.0/VC/vcvarsall.bat\" before build-webkit when using ninja";
	}
	chdirWebKit();
	if (canUseNinja()) {
	chdir File::Spec->catdir($baseProductDir, configuration());
	$result = system("ninja");
	} else {
	$result = buildVisualStudioProject(File::Spec->catfile("WebKitBuild", configuration(), "WebKit.sln"), $clean);
	}
	if (exitStatus($result)) {
	my $scriptDir = relativeScriptsDir();
	if (isAppleWinWebKit() \|\| isWinCairo()) {
	print "\n\n===== BUILD FAILED ======\n\n";
	print "Please ensure you have run $scriptDir/update-webkit to install dependencies.\n\n";
	print "You can view build errors by checking the BuildLog.htm files located at:\n$baseProductDir/obj/<project>/<config>.\n";
	}
	exit exitStatus($result);
	}
	} elsif (isAppleMacWebKit() && !isCMakeBuild()) {
	# Build, and abort if the build fails.
	for my $dir (@projects) {
	chdir $dir or die;
	$result = 0;

	my $project = basename($dir);

	my @local_options = @options;
	push @local_options, XcodeCoverageSupportOptions() if $coverageSupport;
	push @local_options, XcodeStaticAnalyzerOption() if $shouldRunStaticAnalyzer;
	my $projectPath = $project =~ /gtest/ ? "xcode/gtest" : $project;
	$result = buildXCodeProject($projectPath, $clean, @local_options, @ARGV);

	# Various build* calls above may change the CWD.
	chdirWebKit();

	if (exitStatus($result)) {
	exit exitStatus($result);
	}
	}
	}

	# Don't report the "WebKit is now built" message after a clean operation.
	exit if $clean;

	# Don't report congrats message if build was interrupted by the user.
	exit if ($result & 127) == SIGINT;

	# Explicitly chdir back to where exit will take us anyway, since the following "launcher"
	# message is relative to that directory.
	chdir $originalWorkingDirectory;

	# Write out congratulations message.
	writeCongrats();

	exit 0;

	sub cMakeArgsFromFeatures()
	{
	my @args;
	foreach (@features) {
	my $featureName = $_->{define};
	if ($featureName) {
	my $featureEnabled = ${$_->{value}} ? "ON" : "OFF";
	push @args, "-D$featureName=$featureEnabled";
	}
	}
	return @args;
	}

	sub writeCongrats()
	{
	my $launcherPath = launcherPath();
	my $launcherName = launcherName();
	my $endTime = time();
	my $buildTime = formatBuildTime($endTime - $startTime);

	print "\n";
	print "====================================================================\n";
	print " WebKit is now built ($buildTime). \n";
	if ($launcherPath && $launcherName) {
	print " To run $launcherName with this newly-built code, use the\n";
	print " \"$launcherPath\" script.\n";
	}
	print "====================================================================\n";
	}