Remove all perl scripts from Tools/Scripts

Tools/Scripts/check-for-weak-vtables-and-externals

-#!/usr/bin/perl
-
-# Copyright (C) 2006, 2007, 2008, 2010 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.
-
-# "check-for-weak-vtables-and-externals" script for WebKit Open Source Project
-
-# Intended to be invoked from an Xcode build step to check if there are
-# any weak vtables or weak externals in a target.
-
-use warnings;
-use strict;
-
-use File::Basename;
-
-sub touch($);
-
-my $arch = $ENV{'CURRENT_ARCH'};
-my $configuration = $ENV{'CONFIGURATION'};
-my $target = $ENV{'TARGET_NAME'};
-my $variant = $ENV{'CURRENT_VARIANT'};
-my $coverageBuild = $ENV{'WEBKIT_COVERAGE_BUILD'};
-my $debugRoot = $ENV{'WEBKIT_DEBUG_ROOT'};
-
-$arch = $ENV{'NATIVE_ARCH'} if !$arch; # for Xcode 2.1, which does not have CURRENT_ARCH
-$variant = "normal" if !$variant; # for Xcode 2.1, which does not have CURRENT_VARIANT
-
-my $executablePath = "$ENV{'TARGET_BUILD_DIR'}/$ENV{'EXECUTABLE_PATH'}";
-
-my $buildTimestampPath = $ENV{'TARGET_TEMP_DIR'} . "/" . basename($0) . ".timestamp";
-my $buildTimestampAge = -M $buildTimestampPath;
-my $executablePathAge = -M $executablePath;
-
-my $sawError = 0;
-
-if (!defined $executablePathAge || !defined $buildTimestampAge || $executablePathAge < $buildTimestampAge) {
-    if (!open NM, "(nm -m '$executablePath' | c++filt | sed 's/^/STDOUT:/') 2>&1 |") {
-        print "ERROR: Could not open $executablePath\n";
-        $sawError = 1;
-        next;
-    }
-    my @weakVTableClasses = ();
-    my @weakExternalSymbols = ();
-    while (<NM>) {
-        if (/^STDOUT:/) {
-            # Ignore undefined, RTTI and typeinfo symbols.
-            next if /\bundefined\b/ or /\b__ZT[IS]/;
-
-            if (/weak external vtable for (.*)$/) {
-                push @weakVTableClasses, $1;
-            } elsif (/weak external (.*)$/) {
-                push @weakExternalSymbols, $1;
-            }
-        } else {
-            print STDERR if $_ ne "nm: no name list\n";
-        }
-    }
-    close NM;
-
-    my $shortName = $executablePath;
-    $shortName =~ s/.*\///;
-
-    if (@weakVTableClasses) {
-        print "ERROR: $shortName has a weak vtable in it ($executablePath)\n";
-        print "ERROR: Fix by making sure the first virtual function in each of these classes is not an inline:\n";
-        for my $class (sort @weakVTableClasses) {
-            print "ERROR: class $class\n";
-        }
-        $sawError = 1;
-    }
-
-    if (@weakExternalSymbols) {
-        print "ERROR: $shortName has a weak external symbol in it ($executablePath)\n";
-        print "ERROR: A weak external symbol is generated when a symbol is defined in multiple compilation units and is also marked as being exported from the library.\n";
-        print "ERROR: A common cause of weak external symbols is when an inline function is listed in the linker export file.\n";
-        for my $symbol (sort @weakExternalSymbols) {
-            print "ERROR: symbol $symbol\n";
-        }
-        $sawError = 1;
-    }
-}
-
-if ($sawError and !$coverageBuild) {
-    unlink $executablePath;
-    exit 1;
-}
-
-touch($buildTimestampPath);
-
-exit 0;
-
-sub touch($)
-{
-    my ($path) = @_;
-    open(TOUCH, ">", $path) or die "$!";
-    close(TOUCH);
-}