I understand that on Windows, you can use forward slashes in path names
interchangeably with backward slashes (except possibly in the shell).  I
have developed the attached patch to change the msvc build code to use
forward slashes consistently.  Together with the other attached patch,
which is an unpolished hack, this allows me to run the build.pl script
on not-Windows.  It won't actually build, but it will create all the
project files.  That way, I can check whether some makefile hackery
would break the Windows build.  Could someone verify this please?
>From 46c7e31ee49f32fb373a8bd10c3bd5e777359053 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <pete...@gmx.net>
Date: Sat, 14 Feb 2015 22:42:41 -0500
Subject: [PATCH 1/2] Workarounds for lack of Win32 module

---
 src/tools/msvc/Mkvcbuild.pm | 2 +-
 src/tools/msvc/Project.pm   | 2 +-
 src/tools/msvc/Solution.pm  | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/tools/msvc/Mkvcbuild.pm b/src/tools/msvc/Mkvcbuild.pm
index dba9b63..879589d 100644
--- a/src/tools/msvc/Mkvcbuild.pm
+++ b/src/tools/msvc/Mkvcbuild.pm
@@ -6,7 +6,7 @@ package Mkvcbuild;
 # src/tools/msvc/Mkvcbuild.pm
 #
 use Carp;
-use Win32;
+#use Win32;
 use strict;
 use warnings;
 use Project;
diff --git a/src/tools/msvc/Project.pm b/src/tools/msvc/Project.pm
index b9b5a23..6d84d89 100644
--- a/src/tools/msvc/Project.pm
+++ b/src/tools/msvc/Project.pm
@@ -21,7 +21,7 @@ sub _new
 	my $self = {
 		name                  => $name,
 		type                  => $type,
-		guid                  => Win32::GuidGen(),
+		guid                  => $^O eq 'MSWin32' ? Win32::GuidGen() : '{FIXME}',
 		files                 => {},
 		references            => [],
 		libraries             => [],
diff --git a/src/tools/msvc/Solution.pm b/src/tools/msvc/Solution.pm
index 39e41f6..9bd864c 100644
--- a/src/tools/msvc/Solution.pm
+++ b/src/tools/msvc/Solution.pm
@@ -562,7 +562,7 @@ EOF
 		}
 		if ($fld ne "")
 		{
-			$flduid{$fld} = Win32::GuidGen();
+			$flduid{$fld} = $^O eq 'MSWin32' ? Win32::GuidGen() : '{FIXME}';
 			print SLN <<EOF;
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "$fld", "$fld", "$flduid{$fld}"
 EndProject
-- 
2.3.0

>From 1898bb7812920c64d19476a77db8adaaa54cba46 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <pete...@gmx.net>
Date: Sat, 14 Feb 2015 22:43:03 -0500
Subject: [PATCH 2/2] Use forward slash instead of backward slash in msvc build
 code

---
 src/tools/msvc/MSBuildProject.pm |   2 +-
 src/tools/msvc/Mkvcbuild.pm      | 322 +++++++++++++++++++--------------------
 src/tools/msvc/Project.pm        |  41 +++--
 src/tools/msvc/Solution.pm       | 138 ++++++++---------
 4 files changed, 250 insertions(+), 253 deletions(-)

diff --git a/src/tools/msvc/MSBuildProject.pm b/src/tools/msvc/MSBuildProject.pm
index 37958f9..a16f9ac 100644
--- a/src/tools/msvc/MSBuildProject.pm
+++ b/src/tools/msvc/MSBuildProject.pm
@@ -127,7 +127,7 @@ EOF
 	foreach my $fileNameWithPath (sort keys %{ $self->{files} })
 	{
 		confess "Bad format filename '$fileNameWithPath'\n"
-		  unless ($fileNameWithPath =~ /^(.*)\\([^\\]+)\.(c|cpp|y|l|rc)$/);
+		  unless ($fileNameWithPath =~ m!^(.*)/([^/]+)\.(c|cpp|y|l|rc)$!);
 		my $dir      = $1;
 		my $fileName = $2;
 		if ($fileNameWithPath =~ /\.y$/ or $fileNameWithPath =~ /\.l$/)
diff --git a/src/tools/msvc/Mkvcbuild.pm b/src/tools/msvc/Mkvcbuild.pm
index 879589d..8820d3a 100644
--- a/src/tools/msvc/Mkvcbuild.pm
+++ b/src/tools/msvc/Mkvcbuild.pm
@@ -56,9 +56,9 @@ sub mkvcbuild
 {
 	our $config = shift;
 
-	chdir('..\..\..') if (-d '..\msvc' && -d '..\..\..\src');
+	chdir('../../..') if (-d '../msvc' && -d '../../../src');
 	die 'Must run from root or msvc directory'
-	  unless (-d 'src\tools\msvc' && -d 'src');
+	  unless (-d 'src/tools/msvc' && -d 'src');
 
 	my $vsVersion = DetermineVisualStudioVersion();
 
@@ -85,36 +85,36 @@ sub mkvcbuild
 
 	$libpgport = $solution->AddProject('libpgport', 'lib', 'misc');
 	$libpgport->AddDefine('FRONTEND');
-	$libpgport->AddFiles('src\port', @pgportfiles);
+	$libpgport->AddFiles('src/port', @pgportfiles);
 
 	$libpgcommon = $solution->AddProject('libpgcommon', 'lib', 'misc');
 	$libpgcommon->AddDefine('FRONTEND');
-	$libpgcommon->AddFiles('src\common', @pgcommonfrontendfiles);
+	$libpgcommon->AddFiles('src/common', @pgcommonfrontendfiles);
 
-	$postgres = $solution->AddProject('postgres', 'exe', '', 'src\backend');
-	$postgres->AddIncludeDir('src\backend');
-	$postgres->AddDir('src\backend\port\win32');
-	$postgres->AddFile('src\backend\utils\fmgrtab.c');
+	$postgres = $solution->AddProject('postgres', 'exe', '', 'src/backend');
+	$postgres->AddIncludeDir('src/backend');
+	$postgres->AddDir('src/backend/port/win32');
+	$postgres->AddFile('src/backend/utils/fmgrtab.c');
 	$postgres->ReplaceFile(
-		'src\backend\port\dynloader.c',
-		'src\backend\port\dynloader\win32.c');
-	$postgres->ReplaceFile('src\backend\port\pg_sema.c',
-		'src\backend\port\win32_sema.c');
-	$postgres->ReplaceFile('src\backend\port\pg_shmem.c',
-		'src\backend\port\win32_shmem.c');
-	$postgres->ReplaceFile('src\backend\port\pg_latch.c',
-		'src\backend\port\win32_latch.c');
-	$postgres->AddFiles('src\port',   @pgportfiles);
-	$postgres->AddFiles('src\common', @pgcommonbkndfiles);
-	$postgres->AddDir('src\timezone');
-	# We need source files from src\timezone, but that directory's resource
+		'src/backend/port/dynloader.c',
+		'src/backend/port/dynloader/win32.c');
+	$postgres->ReplaceFile('src/backend/port/pg_sema.c',
+		'src/backend/port/win32_sema.c');
+	$postgres->ReplaceFile('src/backend/port/pg_shmem.c',
+		'src/backend/port/win32_shmem.c');
+	$postgres->ReplaceFile('src/backend/port/pg_latch.c',
+		'src/backend/port/win32_latch.c');
+	$postgres->AddFiles('src/port',   @pgportfiles);
+	$postgres->AddFiles('src/common', @pgcommonbkndfiles);
+	$postgres->AddDir('src/timezone');
+	# We need source files from src/timezone, but that directory's resource
 	# file pertains to "zic", not to the backend.
-	$postgres->RemoveFile('src\timezone\win32ver.rc');
-	$postgres->AddFiles('src\backend\parser', 'scan.l', 'gram.y');
-	$postgres->AddFiles('src\backend\bootstrap', 'bootscanner.l',
+	$postgres->RemoveFile('src/timezone/win32ver.rc');
+	$postgres->AddFiles('src/backend/parser', 'scan.l', 'gram.y');
+	$postgres->AddFiles('src/backend/bootstrap', 'bootscanner.l',
 		'bootparse.y');
-	$postgres->AddFiles('src\backend\utils\misc', 'guc-file.l');
-	$postgres->AddFiles('src\backend\replication', 'repl_scanner.l',
+	$postgres->AddFiles('src/backend/utils\misc', 'guc-file.l');
+	$postgres->AddFiles('src/backend/replication', 'repl_scanner.l',
 		'repl_gram.y');
 	$postgres->AddDefine('BUILDING_DLL');
 	$postgres->AddLibrary('secur32.lib');
@@ -125,30 +125,30 @@ sub mkvcbuild
 	# if building without OpenSSL
 	if (!$solution->{options}->{openssl})
 	{
-		$postgres->RemoveFile('src\backend\libpq\be-secure-openssl.c');
+		$postgres->RemoveFile('src/backend/libpq/be-secure-openssl.c');
 	}
 
 	my $snowball = $solution->AddProject('dict_snowball', 'dll', '',
-		'src\backend\snowball');
+		'src/backend/snowball');
 	# This Makefile uses VPATH to find most source files in a subdirectory.
 	$snowball->RelocateFiles(
-		'src\backend\snowball\libstemmer',
+		'src/backend/snowball/libstemmer',
 		sub {
 			return shift !~ /(dict_snowball.c|win32ver.rc)$/;
 		});
-	$snowball->AddIncludeDir('src\include\snowball');
+	$snowball->AddIncludeDir('src/include/snowball');
 	$snowball->AddReference($postgres);
 
 	my $plpgsql =
-	  $solution->AddProject('plpgsql', 'dll', 'PLs', 'src\pl\plpgsql\src');
-	$plpgsql->AddFiles('src\pl\plpgsql\src', 'pl_gram.y');
+	  $solution->AddProject('plpgsql', 'dll', 'PLs', 'src/pl/plpgsql/src');
+	$plpgsql->AddFiles('src/pl/plpgsql/src', 'pl_gram.y');
 	$plpgsql->AddReference($postgres);
 
 	if ($solution->{options}->{perl})
 	{
-		my $plperlsrc = "src\\pl\\plperl\\";
+		my $plperlsrc = "src/pl/plperl/";
 		my $plperl =
-		  $solution->AddProject('plperl', 'dll', 'PLs', 'src\pl\plperl');
+		  $solution->AddProject('plperl', 'dll', 'PLs', 'src/pl/plperl');
 		$plperl->AddIncludeDir($solution->{options}->{perl} . '/lib/CORE');
 		$plperl->AddDefine('PLPERL_HAVE_UID_GID');
 		foreach my $xs ('SPI.xs', 'Util.xs')
@@ -173,15 +173,15 @@ sub mkvcbuild
 			}
 		}
 		if (Solution::IsNewer(
-				'src\pl\plperl\perlchunks.h',
-				'src\pl\plperl\plc_perlboot.pl')
+				'src/pl/plperl/perlchunks.h',
+				'src/pl/plperl/plc_perlboot.pl')
 			|| Solution::IsNewer(
-				'src\pl\plperl\perlchunks.h',
-				'src\pl\plperl\plc_trusted.pl'))
+				'src/pl/plperl/perlchunks.h',
+				'src/pl/plperl/plc_trusted.pl'))
 		{
-			print 'Building src\pl\plperl\perlchunks.h ...' . "\n";
+			print 'Building src/pl/plperl/perlchunks.h ...' . "\n";
 			my $basedir = getcwd;
-			chdir 'src\pl\plperl';
+			chdir 'src/pl/plperl';
 			system( $solution->{options}->{perl}
 				  . '/bin/perl '
 				  . 'text2macro.pl '
@@ -189,29 +189,29 @@ sub mkvcbuild
 				  . 'plc_perlboot.pl plc_trusted.pl '
 				  . '>perlchunks.h');
 			chdir $basedir;
-			if ((!(-f 'src\pl\plperl\perlchunks.h'))
-				|| -z 'src\pl\plperl\perlchunks.h')
+			if ((!(-f 'src/pl/plperl/perlchunks.h'))
+				|| -z 'src/pl/plperl/perlchunks.h')
 			{
-				unlink('src\pl\plperl\perlchunks.h');    # if zero size
+				unlink('src/pl/plperl/perlchunks.h');    # if zero size
 				die 'Failed to create perlchunks.h' . "\n";
 			}
 		}
 		if (Solution::IsNewer(
-				'src\pl\plperl\plperl_opmask.h',
-				'src\pl\plperl\plperl_opmask.pl'))
+				'src/pl/plperl/plperl_opmask.h',
+				'src/pl/plperl/plperl_opmask.pl'))
 		{
-			print 'Building src\pl\plperl\plperl_opmask.h ...' . "\n";
+			print 'Building src/pl/plperl/plperl_opmask.h ...' . "\n";
 			my $basedir = getcwd;
-			chdir 'src\pl\plperl';
+			chdir 'src/pl/plperl';
 			system( $solution->{options}->{perl}
 				  . '/bin/perl '
 				  . 'plperl_opmask.pl '
 				  . 'plperl_opmask.h');
 			chdir $basedir;
-			if ((!(-f 'src\pl\plperl\plperl_opmask.h'))
-				|| -z 'src\pl\plperl\plperl_opmask.h')
+			if ((!(-f 'src/pl/plperl/plperl_opmask.h'))
+				|| -z 'src/pl/plperl/plperl_opmask.h')
 			{
-				unlink('src\pl\plperl\plperl_opmask.h');    # if zero size
+				unlink('src/pl/plperl/plperl_opmask.h');    # if zero size
 				die 'Failed to create plperl_opmask.h' . "\n";
 			}
 		}
@@ -276,62 +276,62 @@ sub mkvcbuild
 	}
 
 	$libpq = $solution->AddProject('libpq', 'dll', 'interfaces',
-		'src\interfaces\libpq');
+		'src/interfaces/libpq');
 	$libpq->AddDefine('FRONTEND');
 	$libpq->AddDefine('UNSAFE_STAT_OK');
-	$libpq->AddIncludeDir('src\port');
+	$libpq->AddIncludeDir('src/port');
 	$libpq->AddLibrary('secur32.lib');
 	$libpq->AddLibrary('ws2_32.lib');
 	$libpq->AddLibrary('wldap32.lib') if ($solution->{options}->{ldap});
-	$libpq->UseDef('src\interfaces\libpq\libpqdll.def');
-	$libpq->ReplaceFile('src\interfaces\libpq\libpqrc.c',
-		'src\interfaces\libpq\libpq.rc');
+	$libpq->UseDef('src/interfaces/libpq/libpqdll.def');
+	$libpq->ReplaceFile('src/interfaces/libpq/libpqrc.c',
+		'src/interfaces/libpq/libpq.rc');
 	$libpq->AddReference($libpgport);
 	# The OBJS scraper doesn't know about ifdefs, so remove fe-secure-openssl.c
 	# if building without OpenSSL
 	if (!$solution->{options}->{openssl})
 	{
-		$libpq->RemoveFile('src\interfaces\libpq\fe-secure-openssl.c');
+		$libpq->RemoveFile('src/interfaces/libpq/fe-secure-openssl.c');
 	}
 
 	my $libpqwalreceiver =
 	  $solution->AddProject('libpqwalreceiver', 'dll', '',
-		'src\backend\replication\libpqwalreceiver');
-	$libpqwalreceiver->AddIncludeDir('src\interfaces\libpq');
+		'src/backend/replication/libpqwalreceiver');
+	$libpqwalreceiver->AddIncludeDir('src/interfaces/libpq');
 	$libpqwalreceiver->AddReference($postgres, $libpq);
 
 	my $pgtypes = $solution->AddProject(
 		'libpgtypes', 'dll',
-		'interfaces', 'src\interfaces\ecpg\pgtypeslib');
+		'interfaces', 'src/interfaces/ecpg/pgtypeslib');
 	$pgtypes->AddDefine('FRONTEND');
 	$pgtypes->AddReference($libpgport);
-	$pgtypes->UseDef('src\interfaces\ecpg\pgtypeslib\pgtypeslib.def');
-	$pgtypes->AddIncludeDir('src\interfaces\ecpg\include');
+	$pgtypes->UseDef('src/interfaces/ecpg/pgtypeslib/pgtypeslib.def');
+	$pgtypes->AddIncludeDir('src/interfaces/ecpg/include');
 
 	my $libecpg = $solution->AddProject('libecpg', 'dll', 'interfaces',
-		'src\interfaces\ecpg\ecpglib');
+		'src/interfaces/ecpg/ecpglib');
 	$libecpg->AddDefine('FRONTEND');
-	$libecpg->AddIncludeDir('src\interfaces\ecpg\include');
-	$libecpg->AddIncludeDir('src\interfaces\libpq');
-	$libecpg->AddIncludeDir('src\port');
-	$libecpg->UseDef('src\interfaces\ecpg\ecpglib\ecpglib.def');
+	$libecpg->AddIncludeDir('src/interfaces/ecpg/include');
+	$libecpg->AddIncludeDir('src/interfaces/libpq');
+	$libecpg->AddIncludeDir('src/port');
+	$libecpg->UseDef('src/interfaces/ecpg/ecpglib/ecpglib.def');
 	$libecpg->AddLibrary('ws2_32.lib');
 	$libecpg->AddReference($libpq, $pgtypes, $libpgport);
 
 	my $libecpgcompat = $solution->AddProject(
 		'libecpg_compat', 'dll',
-		'interfaces',     'src\interfaces\ecpg\compatlib');
-	$libecpgcompat->AddIncludeDir('src\interfaces\ecpg\include');
-	$libecpgcompat->AddIncludeDir('src\interfaces\libpq');
-	$libecpgcompat->UseDef('src\interfaces\ecpg\compatlib\compatlib.def');
+		'interfaces',     'src/interfaces/ecpg/compatlib');
+	$libecpgcompat->AddIncludeDir('src/interfaces/ecpg/include');
+	$libecpgcompat->AddIncludeDir('src/interfaces/libpq');
+	$libecpgcompat->UseDef('src/interfaces/ecpg/compatlib/compatlib.def');
 	$libecpgcompat->AddReference($pgtypes, $libecpg, $libpgport);
 
 	my $ecpg = $solution->AddProject('ecpg', 'exe', 'interfaces',
-		'src\interfaces\ecpg\preproc');
-	$ecpg->AddIncludeDir('src\interfaces\ecpg\include');
-	$ecpg->AddIncludeDir('src\interfaces\libpq');
-	$ecpg->AddPrefixInclude('src\interfaces\ecpg\preproc');
-	$ecpg->AddFiles('src\interfaces\ecpg\preproc', 'pgc.l', 'preproc.y');
+		'src/interfaces/ecpg/preproc');
+	$ecpg->AddIncludeDir('src/interfaces/ecpg/include');
+	$ecpg->AddIncludeDir('src/interfaces/libpq');
+	$ecpg->AddPrefixInclude('src/interfaces/ecpg/preproc');
+	$ecpg->AddFiles('src/interfaces/ecpg/preproc', 'pgc.l', 'preproc.y');
 	$ecpg->AddDefine('MAJOR_VERSION=4');
 	$ecpg->AddDefine('MINOR_VERSION=11');
 	$ecpg->AddDefine('PATCHLEVEL=0');
@@ -340,63 +340,63 @@ sub mkvcbuild
 
 	my $pgregress_ecpg =
 	  $solution->AddProject('pg_regress_ecpg', 'exe', 'misc');
-	$pgregress_ecpg->AddFile('src\interfaces\ecpg\test\pg_regress_ecpg.c');
-	$pgregress_ecpg->AddFile('src\test\regress\pg_regress.c');
-	$pgregress_ecpg->AddIncludeDir('src\port');
-	$pgregress_ecpg->AddIncludeDir('src\test\regress');
+	$pgregress_ecpg->AddFile('src/interfaces/ecpg/test/pg_regress_ecpg.c');
+	$pgregress_ecpg->AddFile('src/test/regress/pg_regress.c');
+	$pgregress_ecpg->AddIncludeDir('src/port');
+	$pgregress_ecpg->AddIncludeDir('src/test/regress');
 	$pgregress_ecpg->AddDefine('HOST_TUPLE="i686-pc-win32vc"');
 	$pgregress_ecpg->AddDefine('FRONTEND');
 	$pgregress_ecpg->AddLibrary('ws2_32.lib');
-	$pgregress_ecpg->AddDirResourceFile('src\interfaces\ecpg\test');
+	$pgregress_ecpg->AddDirResourceFile('src/interfaces/ecpg/test');
 	$pgregress_ecpg->AddReference($libpgcommon, $libpgport);
 
 	my $isolation_tester =
 	  $solution->AddProject('isolationtester', 'exe', 'misc');
-	$isolation_tester->AddFile('src\test\isolation\isolationtester.c');
-	$isolation_tester->AddFile('src\test\isolation\specparse.y');
-	$isolation_tester->AddFile('src\test\isolation\specscanner.l');
-	$isolation_tester->AddFile('src\test\isolation\specparse.c');
-	$isolation_tester->AddIncludeDir('src\test\isolation');
-	$isolation_tester->AddIncludeDir('src\port');
-	$isolation_tester->AddIncludeDir('src\test\regress');
-	$isolation_tester->AddIncludeDir('src\interfaces\libpq');
+	$isolation_tester->AddFile('src/test/isolation/isolationtester.c');
+	$isolation_tester->AddFile('src/test/isolation/specparse.y');
+	$isolation_tester->AddFile('src/test/isolation/specscanner.l');
+	$isolation_tester->AddFile('src/test/isolation/specparse.c');
+	$isolation_tester->AddIncludeDir('src/test/isolation');
+	$isolation_tester->AddIncludeDir('src/port');
+	$isolation_tester->AddIncludeDir('src/test/regress');
+	$isolation_tester->AddIncludeDir('src/interfaces/libpq');
 	$isolation_tester->AddDefine('HOST_TUPLE="i686-pc-win32vc"');
 	$isolation_tester->AddDefine('FRONTEND');
 	$isolation_tester->AddLibrary('ws2_32.lib');
-	$isolation_tester->AddDirResourceFile('src\test\isolation');
+	$isolation_tester->AddDirResourceFile('src/test/isolation');
 	$isolation_tester->AddReference($libpq, $libpgcommon, $libpgport);
 
 	my $pgregress_isolation =
 	  $solution->AddProject('pg_isolation_regress', 'exe', 'misc');
-	$pgregress_isolation->AddFile('src\test\isolation\isolation_main.c');
-	$pgregress_isolation->AddFile('src\test\regress\pg_regress.c');
-	$pgregress_isolation->AddIncludeDir('src\port');
-	$pgregress_isolation->AddIncludeDir('src\test\regress');
+	$pgregress_isolation->AddFile('src/test/isolation/isolation_main.c');
+	$pgregress_isolation->AddFile('src/test/regress/pg_regress.c');
+	$pgregress_isolation->AddIncludeDir('src/port');
+	$pgregress_isolation->AddIncludeDir('src/test/regress');
 	$pgregress_isolation->AddDefine('HOST_TUPLE="i686-pc-win32vc"');
 	$pgregress_isolation->AddDefine('FRONTEND');
 	$pgregress_isolation->AddLibrary('ws2_32.lib');
-	$pgregress_isolation->AddDirResourceFile('src\test\isolation');
+	$pgregress_isolation->AddDirResourceFile('src/test/isolation');
 	$pgregress_isolation->AddReference($libpgcommon, $libpgport);
 
 	# src/bin
 	my $initdb = AddSimpleFrontend('initdb');
-	$initdb->AddIncludeDir('src\interfaces\libpq');
-	$initdb->AddIncludeDir('src\timezone');
+	$initdb->AddIncludeDir('src/interfaces/libpq');
+	$initdb->AddIncludeDir('src/timezone');
 	$initdb->AddDefine('FRONTEND');
 	$initdb->AddLibrary('ws2_32.lib');
 
 	my $pgbasebackup = AddSimpleFrontend('pg_basebackup', 1);
-	$pgbasebackup->AddFile('src\bin\pg_basebackup\pg_basebackup.c');
+	$pgbasebackup->AddFile('src/bin/pg_basebackup/pg_basebackup.c');
 	$pgbasebackup->AddLibrary('ws2_32.lib');
 
 	my $pgreceivexlog = AddSimpleFrontend('pg_basebackup', 1);
 	$pgreceivexlog->{name} = 'pg_receivexlog';
-	$pgreceivexlog->AddFile('src\bin\pg_basebackup\pg_receivexlog.c');
+	$pgreceivexlog->AddFile('src/bin/pg_basebackup/pg_receivexlog.c');
 	$pgreceivexlog->AddLibrary('ws2_32.lib');
 
 	my $pgrecvlogical = AddSimpleFrontend('pg_basebackup', 1);
 	$pgrecvlogical->{name} = 'pg_recvlogical';
-	$pgrecvlogical->AddFile('src\bin\pg_basebackup\pg_recvlogical.c');
+	$pgrecvlogical->AddFile('src/bin/pg_basebackup/pg_recvlogical.c');
 	$pgrecvlogical->AddLibrary('ws2_32.lib');
 
 	my $pgconfig = AddSimpleFrontend('pg_config');
@@ -408,26 +408,26 @@ sub mkvcbuild
 	my $pgreset = AddSimpleFrontend('pg_resetxlog');
 
 	my $pgevent = $solution->AddProject('pgevent', 'dll', 'bin');
-	$pgevent->AddFiles('src\bin\pgevent', 'pgevent.c', 'pgmsgevent.rc');
-	$pgevent->AddResourceFile('src\bin\pgevent', 'Eventlog message formatter',
+	$pgevent->AddFiles('src/bin/pgevent', 'pgevent.c', 'pgmsgevent.rc');
+	$pgevent->AddResourceFile('src/bin/pgevent', 'Eventlog message formatter',
 		'win32');
-	$pgevent->RemoveFile('src\bin\pgevent\win32ver.rc');
-	$pgevent->UseDef('src\bin\pgevent\pgevent.def');
+	$pgevent->RemoveFile('src/bin/pgevent/win32ver.rc');
+	$pgevent->UseDef('src/bin/pgevent/pgevent.def');
 	$pgevent->DisableLinkerWarnings('4104');
 
 	my $psql = AddSimpleFrontend('psql', 1);
-	$psql->AddIncludeDir('src\bin\pg_dump');
-	$psql->AddIncludeDir('src\backend');
-	$psql->AddFile('src\bin\psql\psqlscan.l');
+	$psql->AddIncludeDir('src/bin/pg_dump');
+	$psql->AddIncludeDir('src/backend');
+	$psql->AddFile('src/bin/psql/psqlscan.l');
 	$psql->AddLibrary('ws2_32.lib');
 
 	my $pgdump = AddSimpleFrontend('pg_dump', 1);
-	$pgdump->AddIncludeDir('src\backend');
-	$pgdump->AddFile('src\bin\pg_dump\pg_dump.c');
-	$pgdump->AddFile('src\bin\pg_dump\common.c');
-	$pgdump->AddFile('src\bin\pg_dump\pg_dump_sort.c');
-	$pgdump->AddFile('src\bin\pg_dump\keywords.c');
-	$pgdump->AddFile('src\backend\parser\kwlookup.c');
+	$pgdump->AddIncludeDir('src/backend');
+	$pgdump->AddFile('src/bin/pg_dump/pg_dump.c');
+	$pgdump->AddFile('src/bin/pg_dump/common.c');
+	$pgdump->AddFile('src/bin/pg_dump/pg_dump_sort.c');
+	$pgdump->AddFile('src/bin/pg_dump/keywords.c');
+	$pgdump->AddFile('src/backend/parser/kwlookup.c');
 	$pgdump->AddLibrary('ws2_32.lib');
 
 	my $pgdumpall = AddSimpleFrontend('pg_dump', 1);
@@ -436,41 +436,41 @@ sub mkvcbuild
 	# pg_dump and pg_restore.
 	# So remove their sources from the object, keeping the other setup that
 	# AddSimpleFrontend() has done.
-	my @nodumpall = grep { m/src\\bin\\pg_dump\\.*\.c$/ }
+	my @nodumpall = grep { m!src/bin/pg_dump/.*\.c$! }
 	  keys %{ $pgdumpall->{files} };
 	delete @{ $pgdumpall->{files} }{@nodumpall};
 	$pgdumpall->{name} = 'pg_dumpall';
-	$pgdumpall->AddIncludeDir('src\backend');
-	$pgdumpall->AddFile('src\bin\pg_dump\pg_dumpall.c');
-	$pgdumpall->AddFile('src\bin\pg_dump\dumputils.c');
-	$pgdumpall->AddFile('src\bin\pg_dump\keywords.c');
-	$pgdumpall->AddFile('src\backend\parser\kwlookup.c');
+	$pgdumpall->AddIncludeDir('src/backend');
+	$pgdumpall->AddFile('src/bin/pg_dump/pg_dumpall.c');
+	$pgdumpall->AddFile('src/bin/pg_dump/dumputils.c');
+	$pgdumpall->AddFile('src/bin/pg_dump/keywords.c');
+	$pgdumpall->AddFile('src/backend/parser/kwlookup.c');
 	$pgdumpall->AddLibrary('ws2_32.lib');
 
 	my $pgrestore = AddSimpleFrontend('pg_dump', 1);
 	$pgrestore->{name} = 'pg_restore';
-	$pgrestore->AddIncludeDir('src\backend');
-	$pgrestore->AddFile('src\bin\pg_dump\pg_restore.c');
-	$pgrestore->AddFile('src\bin\pg_dump\keywords.c');
-	$pgrestore->AddFile('src\backend\parser\kwlookup.c');
+	$pgrestore->AddIncludeDir('src/backend');
+	$pgrestore->AddFile('src/bin/pg_dump/pg_restore.c');
+	$pgrestore->AddFile('src/bin/pg_dump/keywords.c');
+	$pgrestore->AddFile('src/backend/parser/kwlookup.c');
 	$pgrestore->AddLibrary('ws2_32.lib');
 
 	my $zic = $solution->AddProject('zic', 'exe', 'utils');
-	$zic->AddFiles('src\timezone', 'zic.c', 'ialloc.c', 'scheck.c',
+	$zic->AddFiles('src/timezone', 'zic.c', 'ialloc.c', 'scheck.c',
 		'localtime.c');
-	$zic->AddDirResourceFile('src\timezone');
+	$zic->AddDirResourceFile('src/timezone');
 	$zic->AddReference($libpgcommon, $libpgport);
 
 	if ($solution->{options}->{xml})
 	{
 		$contrib_extraincludes->{'pgxml'} = [
-			$solution->{options}->{xml} . '\include',
-			$solution->{options}->{xslt} . '\include',
-			$solution->{options}->{iconv} . '\include' ];
+			$solution->{options}->{xml} . '/include',
+			$solution->{options}->{xslt} . '/include',
+			$solution->{options}->{iconv} . '/include' ];
 
 		$contrib_extralibs->{'pgxml'} = [
-			$solution->{options}->{xml} . '\lib\libxml2.lib',
-			$solution->{options}->{xslt} . '\lib\libxslt.lib' ];
+			$solution->{options}->{xml} . '/lib/libxml2.lib',
+			$solution->{options}->{xslt} . '/lib/libxslt.lib' ];
 	}
 	else
 	{
@@ -485,9 +485,9 @@ sub mkvcbuild
 	if ($solution->{options}->{uuid})
 	{
 		$contrib_extraincludes->{'uuid-ossp'} =
-		  [ $solution->{options}->{uuid} . '\include' ];
+		  [ $solution->{options}->{uuid} . '/include' ];
 		$contrib_extralibs->{'uuid-ossp'} =
-		  [ $solution->{options}->{uuid} . '\lib\uuid.lib' ];
+		  [ $solution->{options}->{uuid} . '/lib/uuid.lib' ];
 	}
 	else
 	{
@@ -497,7 +497,7 @@ sub mkvcbuild
 	# AddProject() does not recognize the constructs used to populate OBJS in
 	# the pgcrypto Makefile, so it will discover no files.
 	my $pgcrypto =
-	  $solution->AddProject('pgcrypto', 'dll', 'crypto', 'contrib\\pgcrypto');
+	  $solution->AddProject('pgcrypto', 'dll', 'crypto', 'contrib/pgcrypto');
 	$pgcrypto->AddFiles(
 		'contrib\pgcrypto', 'pgcrypto.c',
 		'px.c',             'px-hmac.c',
@@ -513,13 +513,13 @@ sub mkvcbuild
 		'pgp-pgsql.c');
 	if ($solution->{options}->{openssl})
 	{
-		$pgcrypto->AddFiles('contrib\pgcrypto', 'openssl.c',
+		$pgcrypto->AddFiles('contrib/pgcrypto', 'openssl.c',
 			'pgp-mpi-openssl.c');
 	}
 	else
 	{
 		$pgcrypto->AddFiles(
-			'contrib\pgcrypto',   'md5.c',
+			'contrib/pgcrypto',   'md5.c',
 			'sha1.c',             'sha2.c',
 			'internal.c',         'internal-sha2.c',
 			'blf.c',              'rijndael.c',
@@ -543,22 +543,22 @@ sub mkvcbuild
 	closedir($D);
 
 	$mf =
-	  Project::read_file('src\backend\utils\mb\conversion_procs\Makefile');
+	  Project::read_file('src/backend/utils/mb/conversion_procs/Makefile');
 	$mf =~ s{\\\r?\n}{}g;
 	$mf =~ m{SUBDIRS\s*=\s*(.*)$}m
 	  || die 'Could not match in conversion makefile' . "\n";
 	foreach my $sub (split /\s+/, $1)
 	{
-		my $dir = 'src\backend\utils\mb\conversion_procs\\' . $sub;
+		my $dir = 'src/backend/utils/mb/conversion_procs/' . $sub;
 		my $p = $solution->AddProject($sub, 'dll', 'conversion procs', $dir);
-		$p->AddFile("$dir\\$sub.c");    # implicit source file
+		$p->AddFile("$dir/$sub.c");    # implicit source file
 		$p->AddReference($postgres);
 	}
 
-	$mf = Project::read_file('src\bin\scripts\Makefile');
+	$mf = Project::read_file('src/bin/scripts/Makefile');
 	$mf =~ s{\\\r?\n}{}g;
 	$mf =~ m{PROGRAMS\s*=\s*(.*)$}m
-	  || die 'Could not match in bin\scripts\Makefile' . "\n";
+	  || die 'Could not match in bin/scripts/Makefile' . "\n";
 	foreach my $prg (split /\s+/, $1)
 	{
 		my $proj = $solution->AddProject($prg, 'exe', 'bin');
@@ -570,47 +570,47 @@ sub mkvcbuild
 			$f =~ s/\.o$/\.c/;
 			if ($f eq 'keywords.c')
 			{
-				$proj->AddFile('src\bin\pg_dump\keywords.c');
+				$proj->AddFile('src/bin/pg_dump/keywords.c');
 			}
 			elsif ($f eq 'kwlookup.c')
 			{
-				$proj->AddFile('src\backend\parser\kwlookup.c');
+				$proj->AddFile('src/backend/parser/kwlookup.c');
 			}
 			elsif ($f eq 'dumputils.c')
 			{
-				$proj->AddFile('src\bin\pg_dump\dumputils.c');
+				$proj->AddFile('src/bin/pg_dump/dumputils.c');
 			}
 			elsif ($f =~ /print\.c$/)
 			{    # Also catches mbprint.c
-				$proj->AddFile('src\bin\psql\\' . $f);
+				$proj->AddFile('src/bin/psql/' . $f);
 			}
 			elsif ($f =~ /\.c$/)
 			{
-				$proj->AddFile('src\bin\scripts\\' . $f);
+				$proj->AddFile('src/bin/scripts/' . $f);
 			}
 		}
-		$proj->AddIncludeDir('src\interfaces\libpq');
-		$proj->AddIncludeDir('src\bin\pg_dump');
-		$proj->AddIncludeDir('src\bin\psql');
+		$proj->AddIncludeDir('src/interfaces/libpq');
+		$proj->AddIncludeDir('src/bin/pg_dump');
+		$proj->AddIncludeDir('src/bin/psql');
 		$proj->AddReference($libpq, $libpgcommon, $libpgport);
-		$proj->AddDirResourceFile('src\bin\scripts');
+		$proj->AddDirResourceFile('src/bin/scripts');
 		$proj->AddLibrary('ws2_32.lib');
 	}
 
 	# Regression DLL and EXE
 	my $regress = $solution->AddProject('regress', 'dll', 'misc');
-	$regress->AddFile('src\test\regress\regress.c');
-	$regress->AddDirResourceFile('src\test\regress');
+	$regress->AddFile('src/test/regress/regress.c');
+	$regress->AddDirResourceFile('src/test/regress');
 	$regress->AddReference($postgres);
 
 	my $pgregress = $solution->AddProject('pg_regress', 'exe', 'misc');
-	$pgregress->AddFile('src\test\regress\pg_regress.c');
-	$pgregress->AddFile('src\test\regress\pg_regress_main.c');
-	$pgregress->AddIncludeDir('src\port');
+	$pgregress->AddFile('src/test/regress/pg_regress.c');
+	$pgregress->AddFile('src/test/regress/pg_regress_main.c');
+	$pgregress->AddIncludeDir('src/port');
 	$pgregress->AddDefine('HOST_TUPLE="i686-pc-win32vc"');
 	$pgregress->AddDefine('FRONTEND');
 	$pgregress->AddLibrary('ws2_32.lib');
-	$pgregress->AddDirResourceFile('src\test\regress');
+	$pgregress->AddDirResourceFile('src/test/regress');
 	$pgregress->AddReference($libpgcommon, $libpgport);
 
 	# fix up pg_xlogdump once it's been set up
@@ -623,7 +623,7 @@ sub mkvcbuild
 	{
 		my $bf = basename $xf;
 		copy($xf, "contrib/pg_xlogdump/$bf");
-		$pg_xlogdump->AddFile("contrib\\pg_xlogdump\\$bf");
+		$pg_xlogdump->AddFile("contrib/pg_xlogdump/$bf");
 	}
 	copy(
 		'src/backend/access/transam/xlogreader.c',
@@ -644,11 +644,11 @@ sub AddSimpleFrontend
 	my $uselibpq = shift;
 
 	my $p = $solution->AddProject($n, 'exe', 'bin');
-	$p->AddDir('src\bin\\' . $n);
+	$p->AddDir('src/bin/' . $n);
 	$p->AddReference($libpgcommon, $libpgport);
 	if ($uselibpq)
 	{
-		$p->AddIncludeDir('src\interfaces\libpq');
+		$p->AddIncludeDir('src/interfaces/libpq');
 		$p->AddReference($libpq);
 	}
 	return $p;
@@ -658,13 +658,13 @@ sub AddSimpleFrontend
 sub AddContrib
 {
 	my $n  = shift;
-	my $mf = Project::read_file('contrib\\' . $n . '\Makefile');
+	my $mf = Project::read_file('contrib/' . $n . '/Makefile');
 
 	if ($mf =~ /^MODULE_big\s*=\s*(.*)$/mg)
 	{
 		my $dn = $1;
 		my $proj =
-		  $solution->AddProject($dn, 'dll', 'contrib', 'contrib\\' . $n);
+		  $solution->AddProject($dn, 'dll', 'contrib', 'contrib/' . $n);
 		$proj->AddReference($postgres);
 		AdjustContribProj($proj);
 	}
@@ -673,8 +673,8 @@ sub AddContrib
 		foreach my $mod (split /\s+/, $1)
 		{
 			my $proj =
-			  $solution->AddProject($mod, 'dll', 'contrib', 'contrib\\' . $n);
-			$proj->AddFile('contrib\\' . $n . '\\' . $mod . '.c');
+			  $solution->AddProject($mod, 'dll', 'contrib', 'contrib/' . $n);
+			$proj->AddFile('contrib/' . $n . '/' . $mod . '.c');
 			$proj->AddReference($postgres);
 			AdjustContribProj($proj);
 		}
@@ -682,7 +682,7 @@ sub AddContrib
 	elsif ($mf =~ /^PROGRAM\s*=\s*(.*)$/mg)
 	{
 		my $proj =
-		  $solution->AddProject($1, 'exe', 'contrib', 'contrib\\' . $n);
+		  $solution->AddProject($1, 'exe', 'contrib', 'contrib/' . $n);
 		AdjustContribProj($proj);
 	}
 	else
diff --git a/src/tools/msvc/Project.pm b/src/tools/msvc/Project.pm
index 6d84d89..56a88e8 100644
--- a/src/tools/msvc/Project.pm
+++ b/src/tools/msvc/Project.pm
@@ -52,20 +52,20 @@ sub AddFiles
 
 	while (my $f = shift)
 	{
-		$self->{files}->{ $dir . "\\" . $f } = 1;
+		$self->{files}->{ $dir . "/" . $f } = 1;
 	}
 }
 
 sub ReplaceFile
 {
 	my ($self, $filename, $newname) = @_;
-	my $re = "\\\\$filename\$";
+	my $re = "\\/$filename\$";
 
 	foreach my $file (keys %{ $self->{files} })
 	{
 
 		# Match complete filename
-		if ($filename =~ /\\/)
+		if ($filename =~ m!/!)
 		{
 			if ($file eq $filename)
 			{
@@ -77,7 +77,7 @@ sub ReplaceFile
 		elsif ($file =~ m/($re)/)
 		{
 			delete $self->{files}{$file};
-			$self->{files}{"$newname\\$filename"} = 1;
+			$self->{files}{"$newname/$filename"} = 1;
 			return;
 		}
 	}
@@ -105,7 +105,7 @@ sub RelocateFiles
 		if ($r)
 		{
 			$self->RemoveFile($f);
-			$self->AddFile($targetdir . '\\' . basename($f));
+			$self->AddFile($targetdir . '/' . basename($f));
 		}
 	}
 }
@@ -118,7 +118,7 @@ sub AddReference
 	{
 		push @{ $self->{references} }, $ref;
 		$self->AddLibrary(
-			"__CFGNAME__\\" . $ref->{name} . "\\" . $ref->{name} . ".lib");
+			"__CFGNAME__/" . $ref->{name} . "/" . $ref->{name} . ".lib");
 	}
 }
 
@@ -169,8 +169,8 @@ sub FullExportDLL
 	my ($self, $libname) = @_;
 
 	$self->{builddef} = 1;
-	$self->{def}      = ".\\__CFGNAME__\\$self->{name}\\$self->{name}.def";
-	$self->{implib}   = "__CFGNAME__\\$self->{name}\\$libname";
+	$self->{def}      = "./__CFGNAME__/$self->{name}/$self->{name}.def";
+	$self->{implib}   = "__CFGNAME__/$self->{name}/$libname";
 }
 
 sub UseDef
@@ -194,9 +194,9 @@ sub AddDir
 			  if $subdir eq "\$(top_builddir)/src/timezone"
 			;    #special case for non-standard include
 			next
-			  if $reldir . "\\" . $subdir eq "src\\backend\\port\\darwin";
+			  if $reldir . "/" . $subdir eq "src/backend/port/darwin";
 
-			$self->AddDir($reldir . "\\" . $subdir);
+			$self->AddDir($reldir . "/" . $subdir);
 		}
 	}
 	while ($mf =~ m{^(?:EXTRA_)?OBJS[^=]*=\s*(.*)$}m)
@@ -243,13 +243,11 @@ sub AddDir
 			if ($f =~ /^\$\(top_builddir\)\/(.*)/)
 			{
 				$f = $1;
-				$f =~ s/\//\\/g;
 				$self->{files}->{$f} = 1;
 			}
 			else
 			{
-				$f =~ s/\//\\/g;
-				$self->{files}->{"$reldir\\$f"} = 1;
+				$self->{files}->{"$reldir/$f"} = 1;
 			}
 		}
 		$mf =~ s{OBJS[^=]*=\s*(.*)$}{}m;
@@ -264,7 +262,6 @@ sub AddDir
 		my $match  = $1;
 		my $top    = $2;
 		my $target = $3;
-		$target =~ s{/}{\\}g;
 		my @pieces = split /\s+/, $match;
 		foreach my $fn (@pieces)
 		{
@@ -274,7 +271,7 @@ sub AddDir
 			}
 			elsif ($top eq "(backend_src)")
 			{
-				eval { $self->ReplaceFile($fn, "src\\backend\\$target") };
+				eval { $self->ReplaceFile($fn, "src/backend/$target") };
 			}
 			else
 			{
@@ -310,12 +307,12 @@ sub AddResourceFile
 	  localtime(time);
 	my $d = sprintf("%02d%03d", ($year - 100), $yday);
 
-	if (Solution::IsNewer("$dir\\win32ver.rc", 'src\port\win32ver.rc'))
+	if (Solution::IsNewer("$dir/win32ver.rc", 'src/port/win32ver.rc'))
 	{
 		print "Generating win32ver.rc for $dir\n";
-		open(I, 'src\port\win32ver.rc')
+		open(I, 'src/port/win32ver.rc')
 		  || confess "Could not open win32ver.rc";
-		open(O, ">$dir\\win32ver.rc")
+		open(O, ">$dir/win32ver.rc")
 		  || confess "Could not write win32ver.rc";
 		my $icostr = $ico ? "IDI_ICON ICON \"src/port/$ico.ico\"" : "";
 		while (<I>)
@@ -332,7 +329,7 @@ sub AddResourceFile
 	}
 	close(O);
 	close(I);
-	$self->AddFile("$dir\\win32ver.rc");
+	$self->AddFile("$dir/win32ver.rc");
 }
 
 sub DisableLinkerWarnings
@@ -415,9 +412,9 @@ sub read_makefile
 	my $t = $/;
 
 	undef $/;
-	open($F, "$reldir\\GNUmakefile")
-	  || open($F, "$reldir\\Makefile")
-	  || croak "Could not open $reldir\\Makefile\n";
+	open($F, "$reldir/GNUmakefile")
+	  || open($F, "$reldir/Makefile")
+	  || confess "Could not open $reldir/Makefile\n";
 	my $txt = <$F>;
 	close($F);
 	$/ = $t;
diff --git a/src/tools/msvc/Solution.pm b/src/tools/msvc/Solution.pm
index 9bd864c..e8f2355 100644
--- a/src/tools/msvc/Solution.pm
+++ b/src/tools/msvc/Solution.pm
@@ -90,15 +90,15 @@ sub DeterminePlatform
 sub IsNewer
 {
 	my ($newfile, $oldfile) = @_;
-	if (   $oldfile ne 'src\tools\msvc\config.pl'
-		&& $oldfile ne 'src\tools\msvc\config_default.pl')
+	if (   $oldfile ne 'src/tools/msvc/config.pl'
+		&& $oldfile ne 'src/tools/msvc/config_default.pl')
 	{
 		return 1
-		  if (-f 'src\tools\msvc\config.pl')
-		  && IsNewer($newfile, 'src\tools\msvc\config.pl');
+		  if (-f 'src/tools/msvc/config.pl')
+		  && IsNewer($newfile, 'src/tools/msvc/config.pl');
 		return 1
-		  if (-f 'src\tools\msvc\config_default.pl')
-		  && IsNewer($newfile, 'src\tools\msvc\config_default.pl');
+		  if (-f 'src/tools/msvc/config_default.pl')
+		  && IsNewer($newfile, 'src/tools/msvc/config_default.pl');
 	}
 	return 1 if (!(-e $newfile));
 	my @nstat = stat($newfile);
@@ -147,20 +147,20 @@ sub GenerateFiles
 	  if ($self->{strver} eq '' || $self->{numver} eq '');
 
 	if (IsNewer(
-			"src\\include\\pg_config_os.h", "src\\include\\port\\win32.h"))
+			"src/include/pg_config_os.h", "src/include/port/win32.h"))
 	{
 		print "Copying pg_config_os.h...\n";
-		copyFile("src\\include\\port\\win32.h",
-			"src\\include\\pg_config_os.h");
+		copyFile("src/include/port/win32.h",
+			"src/include/pg_config_os.h");
 	}
 
 	if (IsNewer(
-			"src\\include\\pg_config.h", "src\\include\\pg_config.h.win32"))
+			"src/include/pg_config.h", "src/include/pg_config.h.win32"))
 	{
 		print "Generating pg_config.h...\n";
-		open(I, "src\\include\\pg_config.h.win32")
+		open(I, "src/include/pg_config.h.win32")
 		  || confess "Could not open pg_config.h.win32\n";
-		open(O, ">src\\include\\pg_config.h")
+		open(O, ">src/include/pg_config.h")
 		  || confess "Could not write to pg_config.h\n";
 		my $extraver = $self->{options}->{extraver};
 		$extraver = '' unless defined $extraver;
@@ -248,111 +248,111 @@ sub GenerateFiles
 	}
 
 	if (IsNewer(
-			"src\\include\\pg_config_ext.h",
-			"src\\include\\pg_config_ext.h.win32"))
+			"src/include/pg_config_ext.h",
+			"src/include/pg_config_ext.h.win32"))
 	{
 		print "Copying pg_config_ext.h...\n";
 		copyFile(
-			"src\\include\\pg_config_ext.h.win32",
-			"src\\include\\pg_config_ext.h");
+			"src/include/pg_config_ext.h.win32",
+			"src/include/pg_config_ext.h");
 	}
 
 	$self->GenerateDefFile(
-		"src\\interfaces\\libpq\\libpqdll.def",
-		"src\\interfaces\\libpq\\exports.txt",
+		"src/interfaces/libpq/libpqdll.def",
+		"src/interfaces/libpq/exports.txt",
 		"LIBPQ");
 	$self->GenerateDefFile(
-		"src\\interfaces\\ecpg\\ecpglib\\ecpglib.def",
-		"src\\interfaces\\ecpg\\ecpglib\\exports.txt",
+		"src/interfaces/ecpg/ecpglib/ecpglib.def",
+		"src/interfaces/ecpg/ecpglib/exports.txt",
 		"LIBECPG");
 	$self->GenerateDefFile(
-		"src\\interfaces\\ecpg\\compatlib\\compatlib.def",
-		"src\\interfaces\\ecpg\\compatlib\\exports.txt",
+		"src/interfaces/ecpg/compatlib/compatlib.def",
+		"src/interfaces/ecpg/compatlib/exports.txt",
 		"LIBECPG_COMPAT");
 	$self->GenerateDefFile(
-		"src\\interfaces\\ecpg\\pgtypeslib\\pgtypeslib.def",
-		"src\\interfaces\\ecpg\\pgtypeslib\\exports.txt",
+		"src/interfaces/ecpg/pgtypeslib/pgtypeslib.def",
+		"src/interfaces/ecpg/pgtypeslib/exports.txt",
 		"LIBPGTYPES");
 
 	if (IsNewer(
-			'src\backend\utils\fmgrtab.c', 'src\include\catalog\pg_proc.h'))
+			'src/backend/utils/fmgrtab.c', 'src/include/catalog/pg_proc.h'))
 	{
 		print "Generating fmgrtab.c and fmgroids.h...\n";
-		chdir('src\backend\utils');
+		chdir('src/backend/utils');
 		system(
 "perl -I ../catalog Gen_fmgrtab.pl ../../../src/include/catalog/pg_proc.h");
-		chdir('..\..\..');
+		chdir('../../..');
 	}
 	if (IsNewer(
-			'src\include\utils\fmgroids.h',
-			'src\backend\utils\fmgroids.h'))
+			'src/include/utils/fmgroids.h',
+			'src/backend/utils/fmgroids.h'))
 	{
-		copyFile('src\backend\utils\fmgroids.h',
-			'src\include\utils\fmgroids.h');
+		copyFile('src/backend/utils/fmgroids.h',
+			'src/include/utils/fmgroids.h');
 	}
 
-	if (IsNewer('src\include\utils\probes.h', 'src\backend\utils\probes.d'))
+	if (IsNewer('src/include/utils/probes.h', 'src/backend/utils/probes.d'))
 	{
 		print "Generating probes.h...\n";
 		system(
-'psed -f src\backend\utils\Gen_dummy_probes.sed src\backend\utils\probes.d > src\include\utils\probes.h'
+'psed -f src/backend/utils/Gen_dummy_probes.sed src/backend/utils/probes.d > src/include/utils/probes.h'
 		);
 	}
 
 	if ($self->{options}->{python}
 		&& IsNewer(
-			'src\pl\plpython\spiexceptions.h',
-			'src\include\backend\errcodes.txt'))
+			'src/pl/plpython/spiexceptions.h',
+			'src/include/backend/errcodes.txt'))
 	{
 		print "Generating spiexceptions.h...\n";
 		system(
-'perl src\pl\plpython\generate-spiexceptions.pl src\backend\utils\errcodes.txt > src\pl\plpython\spiexceptions.h'
+'perl src/pl/plpython/generate-spiexceptions.pl src/backend/utils/errcodes.txt > src/pl/plpython/spiexceptions.h'
 		);
 	}
 
 	if (IsNewer(
-			'src\include\utils\errcodes.h',
-			'src\backend\utils\errcodes.txt'))
+			'src/include/utils/errcodes.h',
+			'src/backend/utils/errcodes.txt'))
 	{
 		print "Generating errcodes.h...\n";
 		system(
-'perl src\backend\utils\generate-errcodes.pl src\backend\utils\errcodes.txt > src\backend\utils\errcodes.h'
+'perl src/backend/utils/generate-errcodes.pl src/backend/utils/errcodes.txt > src/backend/utils/errcodes.h'
 		);
-		copyFile('src\backend\utils\errcodes.h',
-			'src\include\utils\errcodes.h');
+		copyFile('src/backend/utils/errcodes.h',
+			'src/include/utils/errcodes.h');
 	}
 
 	if (IsNewer(
-			'src\pl\plpgsql\src\plerrcodes.h',
-			'src\backend\utils\errcodes.txt'))
+			'src/pl/plpgsql/src/plerrcodes.h',
+			'src/backend/utils/errcodes.txt'))
 	{
 		print "Generating plerrcodes.h...\n";
 		system(
-'perl src\pl\plpgsql\src\generate-plerrcodes.pl src\backend\utils\errcodes.txt > src\pl\plpgsql\src\plerrcodes.h'
+'perl src/pl/plpgsql/src/generate-plerrcodes.pl src/backend/utils/errcodes.txt > src/pl/plpgsql/src/plerrcodes.h'
 		);
 	}
 
 	if (IsNewer(
-			'src\backend\utils\sort\qsort_tuple.c',
-			'src\backend\utils\sort\gen_qsort_tuple.pl'))
+			'src/backend/utils/sort/qsort_tuple.c',
+			'src/backend/utils/sort/gen_qsort_tuple.pl'))
 	{
 		print "Generating qsort_tuple.c...\n";
 		system(
-'perl src\backend\utils\sort\gen_qsort_tuple.pl > src\backend\utils\sort\qsort_tuple.c'
+'perl src/backend/utils/sort/gen_qsort_tuple.pl > src/backend/utils/sort/qsort_tuple.c'
 		);
 	}
 
 	if (IsNewer(
-			'src\interfaces\libpq\libpq.rc',
-			'src\interfaces\libpq\libpq.rc.in'))
+			'src/interfaces/libpq/libpq.rc',
+			'src/interfaces/libpq/libpq.rc.in'))
 	{
 		print "Generating libpq.rc...\n";
 		my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) =
 		  localtime(time);
 		my $d = ($year - 100) . "$yday";
-		open(I, '<', 'src\interfaces\libpq\libpq.rc.in')
+		open(I, '<', 'src/interfaces/libpq/libpq.rc.in')
 		  || confess "Could not open libpq.rc.in";
-		open(O, '>', 'src\interfaces\libpq\libpq.rc')
+		open(O, '>', 'src/interfaces/libpq/libpq.rc')
 		  || confess "Could not open libpq.rc";
 		while (<I>)
 		{
@@ -363,30 +363,30 @@ sub GenerateFiles
 		close(O);
 	}
 
-	if (IsNewer('src\bin\psql\sql_help.h', 'src\bin\psql\create_help.pl'))
+	if (IsNewer('src/bin/psql/sql_help.h', 'src/bin/psql/create_help.pl'))
 	{
 		print "Generating sql_help.h...\n";
-		chdir('src\bin\psql');
+		chdir('src/bin/psql');
 		system("perl create_help.pl ../../../doc/src/sgml/ref sql_help");
-		chdir('..\..\..');
+		chdir('../../..');
 	}
 
 	if (IsNewer(
-			'src\interfaces\ecpg\preproc\preproc.y',
-			'src\backend\parser\gram.y'))
+			'src/interfaces/ecpg/preproc/preproc.y',
+			'src/backend/parser/gram.y'))
 	{
 		print "Generating preproc.y...\n";
-		chdir('src\interfaces\ecpg\preproc');
-		system('perl parse.pl < ..\..\..\backend\parser\gram.y > preproc.y');
-		chdir('..\..\..\..');
+		chdir('src/interfaces/ecpg/preproc');
+		system('perl parse.pl < ../../../backend/parser/gram.y > preproc.y');
+		chdir('../../../..');
 	}
 
 	if (IsNewer(
-			'src\interfaces\ecpg\include\ecpg_config.h',
-			'src\interfaces\ecpg\include\ecpg_config.h.in'))
+			'src/interfaces/ecpg/include/ecpg_config.h',
+			'src/interfaces/ecpg/include/ecpg_config.h.in'))
 	{
 		print "Generating ecpg_config.h...\n";
-		open(O, '>', 'src\interfaces\ecpg\include\ecpg_config.h')
+		open(O, '>', 'src/interfaces/ecpg/include/ecpg_config.h')
 		  || confess "Could not open ecpg_config.h";
 		print O <<EOF;
 #if (_MSC_VER > 1200)
@@ -399,10 +399,10 @@ EOF
 		close(O);
 	}
 
-	unless (-f "src\\port\\pg_config_paths.h")
+	unless (-f "src/port/pg_config_paths.h")
 	{
 		print "Generating pg_config_paths.h...\n";
-		open(O, '>', 'src\port\pg_config_paths.h')
+		open(O, '>', 'src/port/pg_config_paths.h')
 		  || confess "Could not open pg_config_paths.h";
 		print O <<EOF;
 #define PGBINDIR "/bin"
@@ -421,7 +421,7 @@ EOF
 		close(O);
 	}
 
-	my $mf = Project::read_file('src\backend\catalog\Makefile');
+	my $mf = Project::read_file('src/backend/catalog/Makefile');
 	$mf =~ s{\\\r?\n}{}g;
 	$mf =~ /^POSTGRES_BKI_SRCS\s*:?=[^,]+,(.*)\)$/gm
 	  || croak "Could not find POSTGRES_BKI_SRCS in Makefile\n";
@@ -434,15 +434,15 @@ EOF
 				"src/include/catalog/$bki"))
 		{
 			print "Generating postgres.bki and schemapg.h...\n";
-			chdir('src\backend\catalog');
+			chdir('src/backend/catalog');
 			my $bki_srcs = join(' ../../../src/include/catalog/', @allbki);
 			system(
 "perl genbki.pl -I../../../src/include/catalog --set-version=$self->{majorver} $bki_srcs"
 			);
-			chdir('..\..\..');
+			chdir('../../..');
 			copyFile(
-				'src\backend\catalog\schemapg.h',
-				'src\include\catalog\schemapg.h');
+				'src/backend/catalog/schemapg.h',
+				'src/include/catalog/schemapg.h');
 			last;
 		}
 	}
-- 
2.3.0

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