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-rwxr-xr-xTools/Scripts/build-webkit379
1 files changed, 22 insertions, 357 deletions
diff --git a/Tools/Scripts/build-webkit b/Tools/Scripts/build-webkit
index 7c8cac8e6..cba264b83 100755
--- a/Tools/Scripts/build-webkit
+++ b/Tools/Scripts/build-webkit
@@ -1,6 +1,6 @@
#!/usr/bin/perl -w
-# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
+# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 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.
@@ -39,7 +39,7 @@ use FindBin;
use Getopt::Long qw(:config pass_through);
use lib $FindBin::Bin;
use webkitdirs;
-use webkitperl::features;
+use webkitperl::FeatureList qw(getFeatureOptionList);
use POSIX;
sub cMakeArgsFromFeatures();
@@ -62,309 +62,10 @@ my $makeArgs = "";
my $cmakeArgs;
my $onlyWebKitProject = 0;
my $noWebKit2 = 0;
+my $coverageSupport = 0;
my $startTime = time();
-my (
- $requestAnimationFrameSupport,
- $threeDCanvasSupport,
- $threeDRenderingSupport,
- $accelerated2dCanvasSupport,
- $animationAPISupport,
- $blobSupport,
- $channelMessagingSupport,
- $clientBasedGeolocationSupport,
- $coverageSupport,
- $cssFiltersSupport,
- $cssGridLayoutSupport,
- $cssShadersSupport,
- $sqlDatabaseSupport,
- $datalistSupport,
- $dataTransferItemsSupport,
- $detailsSupport,
- $deviceOrientationSupport,
- $directoryUploadSupport,
- $downloadAttributeSupport,
- $fileSystemSupport,
- $filtersSupport,
- $ftpDirSupport,
- $fullscreenAPISupport,
- $gamepadSupport,
- $geolocationSupport,
- $iconDatabaseSupport,
- $imageResizerSupport,
- $indexedDatabaseSupport,
- $inputColorSupport,
- $inputSpeechSupport,
- $scriptedSpeechSupport,
- $inputTypeDateSupport,
- $inputTypeDatetimeSupport,
- $inputTypeDatetimelocalSupport,
- $inputTypeMonthSupport,
- $inputTypeTimeSupport,
- $inputTypeWeekSupport,
- $javaScriptDebuggerSupport,
- $legacyNotificationsSupport,
- $linkPrefetchSupport,
- $mathmlSupport,
- $mediaSourceSupport,
- $mediaStatisticsSupport,
- $mediaStreamSupport,
- $meterTagSupport,
- $mhtmlSupport,
- $microdataSupport,
- $mutationObserversSupport,
- $netscapePluginSupport,
- $notificationsSupport,
- $orientationEventsSupport,
- $pageVisibilityApiSupport,
- $progressTagSupport,
- $quotaSupport,
- $registerProtocolHandlerSupport,
- $shadowDomSupport,
- $sharedWorkersSupport,
- $styleScopedSupport,
- $svgSupport,
- $svgDOMObjCBindingsSupport,
- $svgFontsSupport,
- $systemMallocSupport,
- $tiledBackingStoreSupport,
- $touchEventsSupport,
- $touchIconLoadingSupport,
- $vibrationSupport,
- $videoSupport,
- $videoTrackSupport,
- $webAudioSupport,
- $webInspectorSupport,
- $webSocketsSupport,
- $webTimingSupport,
- $workersSupport,
- $xsltSupport,
- $wtfURL,
-);
-
-my @features = (
- { option => "request-animation-frame", desc => "Toggle requestAnimationFrame support",
- define => "ENABLE_REQUEST_ANIMATION_FRAME", default => (isAppleMacWebKit() || isGtk() || isBlackBerry()), value => \$requestAnimationFrameSupport },
-
- { option => "download-attribute", desc => "Toggle download attribute support",
- define => "ENABLE_DOWNLOAD_ATTRIBUTE", default => isBlackBerry(), value =>\$downloadAttributeSupport },
-
- { option => "3d-canvas", desc => "Toggle 3D canvas (WebGL) support",
- define => "ENABLE_WEBGL", default => (isAppleMacWebKit() && !isLeopard()), value => \$threeDCanvasSupport },
-
- { option => "3d-rendering", desc => "Toggle 3D rendering support",
- define => "ENABLE_3D_RENDERING", default => (isAppleMacWebKit() || isQt()), value => \$threeDRenderingSupport },
-
- { option => "accelerated-2d-canvas", desc => "Toggle accelerated 2D canvas support",
- define => "ENABLE_ACCELERATED_2D_CANVAS", default => 0, value => \$accelerated2dCanvasSupport },
-
- { option => "animation-api", desc => "Toggle animation API support",
- define => "ENABLE_ANIMATION_API", default => isBlackBerry(), value => \$animationAPISupport },
-
- { option => "blob", desc => "Toggle Blob support",
- define => "ENABLE_BLOB", default => (isAppleMacWebKit() || isGtk() || isChromium() || isBlackBerry()), value => \$blobSupport },
-
- { option => "channel-messaging", desc => "Toggle MessageChannel and MessagePort support",
- define => "ENABLE_CHANNEL_MESSAGING", default => 1, value => \$channelMessagingSupport },
-
- { option => "client-based-geolocation", desc => "Toggle client-based Geolocation support",
- define => "ENABLE_CLIENT_BASED_GEOLOCATION", default => (isAppleWebKit() || isGtk() || isBlackBerry()), value => \$clientBasedGeolocationSupport },
-
- { option => "css-filters", desc => "Toggle CSS Filters support",
- define => "ENABLE_CSS_FILTERS", default => isAppleWebKit(), value => \$cssFiltersSupport },
-
- { option => "css-grid-layout", desc => "Toggle CSS Grid Layout support",
- define => "ENABLE_CSS_GRID_LAYOUT", default => 0, value => \$cssGridLayoutSupport },
-
- { option => "css-shaders", desc => "Toggle CSS Shaders (within CSS Filters) support",
- define => "ENABLE_CSS_SHADERS", default => isAppleWebKit(), value => \$cssShadersSupport },
-
- { option => "coverage", desc => "Toggle code coverage support",
- define => "", default => 0, value => \$coverageSupport },
-
- { option => "sql-database", desc => "Toggle SQL Database Support",
- define => "ENABLE_SQL_DATABASE", default => 1, value => \$sqlDatabaseSupport },
-
- { option => "datalist", desc => "Toggle HTML5 datalist support",
- define => "ENABLE_DATALIST", default => 1, value => \$datalistSupport },
-
- { option => "data-transfer-items", desc => "Toggle HTML5 data transfer items support",
- define => "ENABLE_DATA_TRANSFER_ITEMS", default => 0, value => \$dataTransferItemsSupport },
-
- { option => "details", desc => "Toggle HTML5 details support",
- define => "ENABLE_DETAILS", default => 1, value => \$detailsSupport },
-
- { option => "device-orientation", desc => "Toggle DeviceOrientation support",
- define => "ENABLE_DEVICE_ORIENTATION", default => isBlackBerry(), value => \$deviceOrientationSupport },
-
- { option => "directory-upload", desc => "Toogle Directory upload support",
- define => "ENABLE_DIRECTORY_UPLOAD", default => 0, value => \$directoryUploadSupport },
-
- { option => "file-system", desc => "Toggle FileSystem support",
- define => "ENABLE_FILE_SYSTEM", default => 0, value => \$fileSystemSupport },
-
- { option => "filters", desc => "Toggle SVG Filters support",
- define => "ENABLE_FILTERS", default => (isAppleWebKit() || isGtk() || isQt() || isEfl() || isBlackBerry()), value => \$filtersSupport },
-
- { option => "ftpdir", desc => "Toggle FTP directory support",
- define => "ENABLE_FTPDIR", default => !isWinCE(), value => \$ftpDirSupport },
-
- { option => "fullscreen-api", desc => "Toggle Fullscreen API support",
- define => "ENABLE_FULLSCREEN_API", default => (isAppleMacWebKit() || isGtk()), value => \$fullscreenAPISupport },
-
- { option => "gamepad", desc => "Toggle Gamepad support",
- define => "ENABLE_GAMEPAD", default => 0, value => \$gamepadSupport },
-
- { option => "geolocation", desc => "Toggle Geolocation support",
- define => "ENABLE_GEOLOCATION", default => (isAppleWebKit() || isGtk() || isBlackBerry()), value => \$geolocationSupport },
-
- { option => "icon-database", desc => "Toggle Icon database support",
- define => "ENABLE_ICONDATABASE", default => 1, value => \$iconDatabaseSupport },
-
- { option => "indexed-database", desc => "Toggle Indexed Database API support",
- define => "ENABLE_INDEXED_DATABASE", default => 0, value => \$indexedDatabaseSupport },
-
- { option => "input-color", desc => "Color Input support",
- define => "ENABLE_INPUT_COLOR", default => isBlackBerry(), value => \$inputColorSupport },
-
- { option => "input-speech", desc => "Speech Input API support",
- define => "ENABLE_INPUT_SPEECH", default => 0, value => \$inputSpeechSupport },
-
- { option => "scripted-speech", desc => "Scripted Speech API support",
- define => "ENABLE_SCRIPTED_SPEECH", default => 0, value => \$scriptedSpeechSupport },
-
- { option => "input-type-date", desc => "Toggle date type <input> support",
- define => "ENABLE_INPUT_TYPE_DATE", default => 0, value => \$inputTypeDateSupport },
-
- { option => "input-type-datetime", desc => "Toggle datetime type <input> support",
- define => "ENABLE_INPUT_TYPE_DATETIME", default => 0, value => \$inputTypeDatetimeSupport },
-
- { option => "input-type-datetimelocal", desc => "Toggle datetime-local type <input> support",
- define => "ENABLE_INPUT_TYPE_DATETIMELOCAL", default => 0, value => \$inputTypeDatetimelocalSupport },
-
- { option => "input-type-month", desc => "Toggle month type <input> support",
- define => "ENABLE_INPUT_TYPE_MONTH", default => 0, value => \$inputTypeMonthSupport },
-
- { option => "input-type-time", desc => "Toggle time type <input> support",
- define => "ENABLE_INPUT_TYPE_TIME", default => 0, value => \$inputTypeTimeSupport },
-
- { option => "input-type-week", desc => "Toggle week type <input> support",
- define => "ENABLE_INPUT_TYPE_WEEK", default => 0, value => \$inputTypeWeekSupport },
-
- { option => "inspector", desc => "Toggle Web Inspector support",
- define => "ENABLE_INSPECTOR", default => !isWinCE(), value => \$webInspectorSupport },
-
- { option => "javascript-debugger", desc => "Toggle JavaScript Debugger/Profiler support",
- define => "ENABLE_JAVASCRIPT_DEBUGGER", default => 1, value => \$javaScriptDebuggerSupport },
-
- { option => "legacy-notifications", desc => "Toggle Legacy Desktop Notifications Support",
- define => "ENABLE_LEGACY_NOTIFICATIONS", default => isBlackBerry(), value => \$legacyNotificationsSupport },
-
- { option => "link-prefetch", desc => "Toggle pre fetching support",
- define => "ENABLE_LINK_PREFETCH", default => 0, value => \$linkPrefetchSupport },
-
- { option => "mathml", desc => "Toggle MathML support",
- define => "ENABLE_MATHML", default => 1, value => \$mathmlSupport },
-
- { option => "media-source", desc => "Toggle Media Source support",
- define => "ENABLE_MEDIA_SOURCE", default => 0, value => \$mediaSourceSupport },
-
- { option => "media-statistics", desc => "Toggle Media Statistics support",
- define => "ENABLE_MEDIA_STATISTICS", default => 0, value => \$mediaStatisticsSupport },
-
- { option => "media-stream", desc => "Toggle Media Stream API support (implies Blob support, currently Chromium and GTK only)",
- define => "ENABLE_MEDIA_STREAM", default => (isChromium() || isGtk()), value => \$mediaStreamSupport },
-
- { option => "meter-tag", desc => "Meter Tag support",
- define => "ENABLE_METER_TAG", default => !isAppleWinWebKit(), value => \$meterTagSupport },
-
- { option => "mhtml", desc => "Toggle MHTML support",
- define => "ENABLE_MHTML", default => 0, value => \$mhtmlSupport },
-
- { option => "microdata", desc => "Toggle Microdata support",
- define => "ENABLE_MICRODATA", default => 0, value => \$microdataSupport },
-
- { option => "mutation-observers", desc => "Toggle DOM mutation observer support",
- define => "ENABLE_MUTATION_OBSERVERS", default => 1, value => \$mutationObserversSupport },
-
- { option => "netscape-plugin", desc => "Netscape Plugin support",
- define => "ENABLE_NETSCAPE_PLUGIN_API", default => !isEfl(), value => \$netscapePluginSupport },
-
- { option => "notifications", desc => "Toggle Desktop Notifications Support",
- define => "ENABLE_NOTIFICATIONS", default => isBlackBerry(), value => \$notificationsSupport },
-
- { option => "orientation-events", desc => "Toggle Orientation Events support",
- define => "ENABLE_ORIENTATION_EVENTS", default => isBlackBerry(), value => \$orientationEventsSupport },
-
- { option => "page-visibility-api", desc => "Page Visibility API support",
- define => "ENABLE_PAGE_VISIBILITY_API", default => isEfl(), value => \$pageVisibilityApiSupport },
-
- { option => "progress-tag", desc => "Progress Tag support",
- define => "ENABLE_PROGRESS_TAG", default => 1, value => \$progressTagSupport },
-
- { option => "quota", desc => "Toggle Quota support",
- define => "ENABLE_QUOTA", default => 0, value => \$quotaSupport },
-
- { option => "register-protocol-handler", desc => "Register Protocol Handler support",
- define => "ENABLE_REGISTER_PROTOCOL_HANDLER", default => 0, value => \$registerProtocolHandlerSupport },
-
- { option => "system-malloc", desc => "Toggle system allocator instead of TCmalloc",
- define => "USE_SYSTEM_MALLOC", default => 0, value => \$systemMallocSupport },
-
- { option => "shadow-dom", desc => "Toggle Shadow DOM support",
- define => "ENABLE_SHADOW_DOM", default => 0, value => \$shadowDomSupport },
-
- { option => "shared-workers", desc => "Toggle SharedWorkers support",
- define => "ENABLE_SHARED_WORKERS", default => (isAppleWebKit() || isGtk() || isBlackBerry() || isEfl()), value => \$sharedWorkersSupport },
-
- { option => "style-scoped", desc => "Toggle <style scoped> support",
- define => "ENABLE_STYLE_SCOPED", default => 0, value => \$styleScopedSupport },
-
- { option => "svg", desc => "Toggle SVG support",
- define => "ENABLE_SVG", default => 1, value => \$svgSupport },
-
- { option => "svg-dom-objc-bindings", desc => "Toggle SVG DOM Objective-C bindings support (implies SVG support)",
- define => "ENABLE_SVG_DOM_OBJC_BINDINGS", default => isAppleMacWebKit(), value => \$svgDOMObjCBindingsSupport },
-
- { option => "svg-fonts", desc => "Toggle SVG fonts support (imples SVG support)",
- define => "ENABLE_SVG_FONTS", default => 1, value => \$svgFontsSupport },
-
- { option => "tiled-backing-store", desc => "Toggle Tiled Backing Store support",
- define => "WTF_USE_TILED_BACKING_STORE", default => isQt(), value => \$tiledBackingStoreSupport },
-
- { option => "touch-events", desc => "Toggle Touch Events support",
- define => "ENABLE_TOUCH_EVENTS", default => (isQt() || isBlackBerry()), value => \$touchEventsSupport },
-
- { option => "touch-icon-loading", desc => "Toggle Touch Icon Loading Support",
- define => "ENABLE_TOUCH_ICON_LOADING", default => 0, value => \$touchIconLoadingSupport },
-
- { option => "vibration", desc => "Toggle Vibration API support",
- define => "ENABLE_VIBRATION", default => isEfl(), value => \$vibrationSupport },
-
- { option => "video", desc => "Toggle Video support",
- define => "ENABLE_VIDEO", default => (isAppleWebKit() || isGtk() || isBlackBerry() || isEfl()), value => \$videoSupport },
-
- { option => "video-track", desc => "Toggle Video Track support",
- define => "ENABLE_VIDEO_TRACK", default => (isAppleWebKit() || isGtk()), value => \$videoTrackSupport },
-
- { option => "web-audio", desc => "Toggle Web Audio support",
- define => "ENABLE_WEB_AUDIO", default => 0, value=> \$webAudioSupport },
-
- { option => "web-sockets", desc => "Toggle Web Sockets support",
- define => "ENABLE_WEB_SOCKETS", default => 1, value=> \$webSocketsSupport },
-
- { option => "web-timing", desc => "Toggle Web Timing support",
- define => "ENABLE_WEB_TIMING", default => 0, value=> \$webTimingSupport },
-
- { option => "workers", desc => "Toggle Web Workers support",
- define => "ENABLE_WORKERS", default => (isAppleWebKit() || isGtk() || isBlackBerry() || isEfl()), value => \$workersSupport },
-
- { option => "wtfurl", desc => "Toogle the use of WTFURL for URL parsing",
- define => "WTF_USE_WTFURL", default => 0, value => \$wtfURL },
-
- { option => "xslt", desc => "Toggle XSLT support",
- define => "ENABLE_XSLT", default => 1, value => \$xsltSupport },
-);
+my @features = getFeatureOptionList();
# Update defaults from Qt's project file
if (isQt()) {
@@ -405,10 +106,6 @@ foreach (@features) {
${$_->{value}} = ($minimal ? 0 : $_->{default});
}
-$svgSupport = $svgSupport || $svgDOMObjCBindingsSupport || $svgFontsSupport;
-
-$blobSupport = $blobSupport || $mediaStreamSupport;
-
my $programName = basename($0);
my $usage = <<EOF;
Usage: $programName [options] [options to pass to build system]
@@ -416,7 +113,7 @@ Usage: $programName [options] [options to pass to build system]
--clean Cleanup the build directory
--debug Compile in debug mode
--gyp Use GYP-generated project files
- --dsym Change debugging format to dwarf-with-dsym (Mac only)
+ --coverage Enable Code Coverage support (Mac only)
--blackberry Build the BlackBerry port on Mac/Linux
--chromium Build the Chromium port on Mac/Win/Linux
@@ -458,6 +155,7 @@ my %options = (
'v8' => \$v8,
'only-webkit' => \$onlyWebKitProject,
'no-webkit2' => \$noWebKit2,
+ 'coverage' => \$coverageSupport,
);
# Build usage text and options list from features
@@ -496,7 +194,7 @@ sub unlinkZeroFiles()
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 isAppleMacWebKit();
+splice @projects, 0, 0, "Source/WTF" if isAppleMacWebKit() or isAppleWinWebKit();
for my $dir (@projects) {
if (! -d $dir) {
@@ -536,10 +234,8 @@ if (isGtk()) {
}
foreach (@features) {
- if ($_->{option} ne "coverage" && $_->{option} ne "wtfurl") {
- my $option = option($_->{define}, ${$_->{value}}, $_->{default});
- push @options, $option unless $option eq "";
- }
+ my $option = option($_->{define}, ${$_->{value}}, $_->{default});
+ push @options, $option unless $option eq "";
}
# ANGLE must come before WebCore
@@ -549,37 +245,7 @@ if (isGtk()) {
push @projects, ("Source/WebKit2", "Tools/MiniBrowser") if osXVersion()->{"minor"} >= 6 and !$noWebKit2;
# Copy library and header from WebKitLibraries to a findable place in the product directory.
- my @librariesToCopy = (
- "libWebKitSystemInterfaceLeopard.a",
- "libWebKitSystemInterfaceSnowLeopard.a",
- "libWebKitSystemInterfaceLion.a",
- "libWebCoreSQLite3.a",
- );
- foreach my $libName (@librariesToCopy) {
- my $srcLib = "WebKitLibraries/" . $libName;
- my $lib = "$productDir/" . $libName;
- if (!-e $lib || -M $lib > -M $srcLib) {
- print "Updating $lib\n";
- system "ditto", $srcLib, $lib;
- system "ranlib", $lib;
- }
- }
-
- # FIXME: This code should be abstracted to not be copy/paste.
- 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;
- }
-
- my $srcHeaderDir = "WebKitLibraries/WebCoreSQLite3";
- my $headerDir = "$productDir/WebCoreSQLite3";
- if (!-e $headerDir || -M $headerDir > -M $srcHeaderDir) {
- print "Updating $headerDir\n";
- system "ditto", $srcHeaderDir, $headerDir;
- }
+ (system("perl Tools/Scripts/copy-webkitlibraries-to-product-directory") == 0) or die;
} elsif (isWinCairo()) {
(system("perl Tools/Scripts/update-webkit-wincairo-libs") == 0) or die;
} elsif (isAppleWinWebKit()) {
@@ -593,7 +259,7 @@ if (isGtk()) {
push @options, "--qmakearg=CONFIG+=no_webkit2" if $noWebKit2;
if (checkForArgumentAndRemoveFromARGV("-2")) {
- print "Note: WebKit2 is now built by default, you don't need to passs -2. Disable using --no-webkit2\n";
+ print "Note: WebKit2 is now built by default, you don't need to pass -2. Disable using --no-webkit2\n";
}
@options = (@ARGV, @options);
@@ -602,12 +268,11 @@ if (isGtk()) {
push @options, "DEFINES+=$_->{define}=${$_->{value}}" if $_->{define} && ${$_->{value}} != $_->{default};
}
- if ($minimal) {
- push @options, "CONFIG+=minimal";
- }
-
if ($v8) {
- push @options, "CONFIG+=v8";
+ print "Building WebKit2 with v8 is not supported currently. Disabling WebKit2.\n";
+ # FIXME: Deal with this in defaults_pre, once Qt has support for getting at the
+ # command line arguments at that stage.
+ push @options, "CONFIG+=v8 CONFIG+=no_webkit2";
}
}
@@ -616,9 +281,6 @@ if (isGtk()) {
# build options, etc.
@projects = ("Source/WebKit") if $onlyWebKitProject;
-# Force re-link of existing libraries if different than expected
-removeLibraryDependingOnFeature("WebCore", "SVG", $svgSupport);
-
if (isInspectorFrontend()) {
exit exitStatus(copyInspectorFrontendFiles());
}
@@ -678,7 +340,7 @@ if (isBlackBerry()) {
}
$makeArgs .= ($makeArgs ? " " : "") . "-j" . $numberOfJobs if $makeArgs !~ /-j\s*\d+/;
$prefixPath = $ENV{"STAGE_DIR"} unless $prefixPath;
- buildCMakeProjectOrExit($clean, "BlackBerry", $prefixPath, $makeArgs, (cmakeBasedPortArguments(), cMakeArgsFromFeatures()));
+ buildCMakeProjectOrExit($clean, "BlackBerry", $prefixPath, $makeArgs, (cmakeBasedPortArguments(), cMakeArgsFromFeatures()), $cmakeArgs);
}
if (isQt()) {
@@ -700,14 +362,13 @@ for my $dir (@projects) {
my $project = basename($dir);
if (isGtk()) {
- if (!$noWebKit2) {
- unshift(@options, "--enable-webkit2");
+ if ($noWebKit2) {
+ unshift(@options, "--disable-webkit2");
}
$result = buildGtkProject($project, $clean, @options);
} elsif (isAppleMacWebKit()) {
my @local_options = @options;
push @local_options, XcodeCoverageSupportOptions() if $coverageSupport && $project ne "ANGLE";
- push @local_options, "OTHER_CFLAGS= \$(OTHER_CFLAGS) -DWTF_USE_WTFURL=1" if $wtfURL;
my $useGYPProject = $useGYP && ($project =~ "WebCore|JavaScriptCore");
my $projectPath = $useGYPProject ? "gyp/$project" : $project;
$result = buildXCodeProject($projectPath, $clean, @local_options, @ARGV);
@@ -742,6 +403,10 @@ 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();