--- Source/WebCore/platform/network/create-http-header-name-table.orig	2020-11-24 14:11:54.102671419 +1000
+++ Source/WebCore/platform/network/create-http-header-name-table	2020-11-24 14:12:15.150863937 +1000
@@ -54,7 +54,7 @@
 
 http_header_names.sort()
 
-gperf_file = open('HTTPHeaderNames.gperf', 'w')
+gperf_file = open('HTTPHeaderNames.gperf', 'w', newline='\n')
 gperf_file.write('''
 %{
 /*
--- ./Source/WebCore/css/makeSelectorPseudoElementsMap.py.orig	2020-11-25 08:42:01.215641505 +1000
+++ ./Source/WebCore/css/makeSelectorPseudoElementsMap.py	2020-11-25 08:42:15.715862161 +1000
@@ -57,7 +57,7 @@
 def expand_ifdef_condition(condition):
     return condition.replace('(', '_').replace(')', '')
 
-output_file = open('SelectorPseudoElementTypeMap.gperf', 'w')
+output_file = open('SelectorPseudoElementTypeMap.gperf', 'w', newline='\n')
 
 output_file.write("""
 %{
--- ./Source/WebCore/css/makeSelectorPseudoClassAndCompatibilityElementMap.py.orig	2020-11-25 10:56:11.973008355 +1000
+++ ./Source/WebCore/css/makeSelectorPseudoClassAndCompatibilityElementMap.py	2020-11-25 10:56:39.109387662 +1000
@@ -57,7 +57,7 @@
 def expand_ifdef_condition(condition):
     return condition.replace('(', '_').replace(')', '')
 
-output_file = open('SelectorPseudoClassAndCompatibilityElementMap.gperf', 'w')
+output_file = open('SelectorPseudoClassAndCompatibilityElementMap.gperf', 'w', newline='\n')
 
 output_file.write("""
 %{
--- ./Source/WebCore/css/makeprop.pl.orig	2020-11-25 13:40:01.806055708 +1000
+++ ./Source/WebCore/css/makeprop.pl	2020-11-25 13:40:33.846878069 +1000
@@ -26,6 +26,7 @@
 use preprocessor;
 use strict;
 use warnings;
+use open OUT => ':raw';
 
 my $defines;
 my $preprocessor;
--- ./Source/WebCore/css/makevalues.pl.orig	2020-11-25 13:41:22.660083294 +1000
+++ ./Source/WebCore/css/makevalues.pl	2020-11-25 13:41:39.708491527 +1000
@@ -25,6 +25,7 @@
 use preprocessor;
 use strict;
 use warnings;
+use open OUT => ':raw';
 
 my $defines;
 my $preprocessor;
--- ./Source/WebCore/make-hash-tools.pl.orig	2020-11-25 13:42:06.641123821 +1000
+++ ./Source/WebCore/make-hash-tools.pl	2020-11-25 13:42:18.685401767 +1000
@@ -22,6 +22,7 @@
 
 use strict;
 use File::Basename;
+use open OUT => ':raw';
 
 my $outdir = $ARGV[0];
 shift;