build-webkit

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

my @projects = ("JavaScriptCore", "WebCore", "WebKit");
# Only Apple builds JavaScriptGlue, and only on the Mac
push @projects, "JavaScriptGlue" if isAppleMacWebKit();

my @otherDirs = ("WebKitLibraries");
for my $dir (@projects, @otherDirs) {
    if (! -d $dir) {
        die "Error: No $dir directory found. Please do a fresh checkout.\n";
    }
}

my @options = ();

if ($buildSixtyFourBit && isAppleMacWebKit()) {
    my $cpuVendor = `sysctl -n machdep.cpu.vendor`;
    chomp $cpuVendor;

    if ($buildUniversal) {
        push(@options, "ARCHS=ppc ppc64 i386 x86_64");
    } elsif ($cpuVendor eq "GenuineIntel") {
        push(@options, "ARCHS=i386 x86_64");
    } else {
        push(@options, "ARCHS=ppc ppc64");
    }
} elsif ($buildUniversal && isAppleMacWebKit()) {
    push(@options, "ARCHS=ppc i386");
}

# enable autotool options accordingly
if (isGtk()) {
    push @options, autotoolsFlag($databaseSupport, "database");
    push @options, autotoolsFlag($domStorageSupport, "dom-storage");
    push @options, autotoolsFlag($gnomeKeyringSupport, "gnomekeyring");
    push @options, autotoolsFlag($iconDatabaseSupport, "icon-database");
    push @options, autotoolsFlag($offlineWebApplicationSupport, "offline-web-applications");
    push @options, autotoolsFlag($threeDTransformsSupport, "3D-transforms");
    push @options, autotoolsFlag($channelMessagingSupport, "channel-messaging");
    push @options, autotoolsFlag($svgSupport, "svg");
    push @options, autotoolsFlag($svgAnimationSupport, "svg-animation");
    push @options, autotoolsFlag($svgFiltersSupport, "svg-filters");
    push @options, autotoolsFlag($svgForeignObjectSupport, "svg-foreign-object");
    push @options, autotoolsFlag($svgFontsSupport, "svg-fonts");
    push @options, autotoolsFlag($svgAsImageSupport, "svg-as-image");
    push @options, autotoolsFlag($svgUseSupport, "svg-use-element");
    push @options, autotoolsFlag($xpathSupport, "xpath");
    push @options, autotoolsFlag($xsltSupport, "xslt");
    push @options, autotoolsFlag($wmlSupport, "wml");
    push @options, autotoolsFlag($videoSupport, "video");
    push @options, autotoolsFlag($workersSupport, "web-workers");
    push @options, autotoolsFlag($coverageSupport, "coverage");
}

if (isAppleMacWebKit()) {

    push(@options, XcodeOptions());

    # Copy library and header from WebKitLibraries to a findable place in the product directory.
    my $srcLib = "WebKitLibraries/libWebKitSystemInterfaceTiger.a";
    my $lib = "$productDir/libWebKitSystemInterfaceTiger.a";
    if (!-e $lib || -M $lib > -M $srcLib) {
        print "Updating $lib\n";
        system "ditto", $srcLib, $lib;
        system "ranlib", $lib;
    }

    $srcLib = "WebKitLibraries/libWebKitSystemInterfaceLeopard.a";
    $lib = "$productDir/libWebKitSystemInterfaceLeopard.a";
    if (!-e $lib || -M $lib > -M $srcLib) {
        print "Updating $lib\n";
        system "ditto", $srcLib, $lib;
        system "ranlib", $lib;
    }

    my $srcHeader = "WebKitLibraries/WebKitSystemInterface.h";
    my $header = "$productDir/usr/local/include/WebKitSystemInterface.h";
    if (!-e $header || -M $header > -M $srcHeader) {
        print "Updating $header\n";
        system "mkdir", "-p", "$productDir/usr/local/include";
        system "ditto", $srcHeader, $header;
    }

    $srcLib = "WebKitLibraries/libWebCoreSQLite3.a";
    $lib = "$productDir/libWebCoreSQLite3.a";
    if (!-e $lib || -M $lib > -M $srcLib) {
        print "Updating $lib\n";
        system "ditto", $srcLib, $lib;
        system "ranlib", $lib;
    }

    my $srcHeaderDir = "WebKitLibraries/WebCoreSQLite3";
    my $headerDir = "$productDir/WebCoreSQLite3";
    if (!-e $headerDir || -M $headerDir > -M $srcHeaderDir) {
        print "Updating $headerDir\n";
        system "ditto", $srcHeaderDir, $headerDir;
    }
}

if (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 WebKitTools/Scripts/update-webkit-support-libs") == 0) or die;
}

# Force re-link of existing libraries if different than expected
removeLibraryDependingOnSVG("WebCore", $svgSupport);

# Build, and abort if the build fails.
for my $dir (@projects) {
    chdir $dir or die;
    my $result = 0;

    # For Gtk and Qt the WebKit project builds all others
    if ((isGtk() || isQt()) && $dir ne "WebKit") {
        chdir ".." or die;
        next;
    }

    if (isGtk()) {
        $result = buildGtkProject($dir, $clean,  @options);
    } elsif (isQt()) {
        $result = buildQMakeQtProject($dir, $clean, @ARGV);
    } elsif (isAppleMacWebKit()) {
        my @xcodeOptions = ();
        push(@xcodeOptions, @options);
        push(@xcodeOptions, $overrideFeatureDefinesString);
        push(@xcodeOptions, @coverageSupportOption);
        push(@xcodeOptions, @ARGV);
        $result = buildXCodeProject($dir, $clean, @xcodeOptions);
    } elsif (isAppleWinWebKit()) {
        if ($dir eq "WebKit") {
            $result = buildVisualStudioProject("win/WebKit.vcproj/WebKit.sln", $clean);
        }
    } elsif (isChromium()) {
        $result = buildSconsProject($dir, $clean);
    }

    if (exitStatus($result)) {
        if (isAppleWinWebKit()) {
            print "\n\n===== BUILD FAILED ======\n\n";
            my $scriptDir = relativeScriptsDir();
            print "Please ensure you have run $scriptDir/update-webkit to install depenedencies.\n\n";
            my $baseProductDir = baseProductDir();
            print "You can view build errors by checking the BuildLog.htm files located at:\n$baseProductDir/obj/<project>/<config>.\n";
        }
        exit exitStatus($result);
    }
    chdir ".." or die;
}

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

# Write out congratulations message.

my $launcherPath = launcherPath();
my $launcherName = launcherName();

print "\n";
print "===========================================================\n";
print " WebKit is now built. To run $launcherName with this newly-built\n";
print " code, use the \"$launcherPath\" script.\n";
if ($svgSupport) {
    print "\n NOTE: WebKit has been built with SVG support enabled.\n";
    print " $launcherName will have SVG viewing capabilities.\n";
}
if ($svgAnimationSupport or $svgFiltersSupport or $svgForeignObjectSupport or $svgFontsSupport or $svgAsImageSupport or $svgUseSupport) {
    print " Your build supports the following (optional) SVG features: \n";
    print "  * Basic SVG animation.\n" if $svgAnimationSupport;
    print "  * SVG filters.\n" if $svgFiltersSupport;
    print "  * SVG foreign object.\n" if $svgForeignObjectSupport;
    print "  * SVG fonts.\n" if $svgFontsSupport;
    print "  * SVG as image.\n" if $svgAsImageSupport;
    print "  * SVG <use> support.\n" if $svgUseSupport;
}
print "===========================================================\n";