From 9825cfd54d62004b334af647817aba32e538bbf8 Mon Sep 17 00:00:00 2001
From: Michael Paquier <michael@paquier.xyz>
Date: Mon, 10 May 2021 14:55:39 +0900
Subject: [PATCH v3] LZ4 option for windows build and documentation update

---
 doc/src/sgml/install-windows.sgml | 10 ++++++++++
 src/tools/msvc/Solution.pm        | 12 ++++++++++++
 src/tools/msvc/config_default.pl  |  1 +
 3 files changed, 23 insertions(+)

diff --git a/doc/src/sgml/install-windows.sgml b/doc/src/sgml/install-windows.sgml
index 64687b12e6..92087dba68 100644
--- a/doc/src/sgml/install-windows.sgml
+++ b/doc/src/sgml/install-windows.sgml
@@ -304,6 +304,16 @@ $ENV{MSBFLAGS}="/m";
      </para></listitem>
     </varlistentry>
 
+    <varlistentry>
+     <term><productname>LZ4</productname></term>
+     <listitem><para>
+      Required for supporting <productname>LZ4</productname> compression
+      method for compressing the table data. Binaries and source can be
+      downloaded from
+      <ulink url="https://github.com/lz4/lz4/releases"></ulink>.
+     </para></listitem>
+    </varlistentry>
+
     <varlistentry>
      <term><productname>OpenSSL</productname></term>
      <listitem><para>
diff --git a/src/tools/msvc/Solution.pm b/src/tools/msvc/Solution.pm
index 459579d312..60b8d6f650 100644
--- a/src/tools/msvc/Solution.pm
+++ b/src/tools/msvc/Solution.pm
@@ -535,6 +535,12 @@ sub GenerateFiles
 		$define{HAVE_LIBXSLT} = 1;
 		$define{USE_LIBXSLT}  = 1;
 	}
+	if ($self->{options}->{lz4})
+	{
+		$define{HAVE_LIBLZ4} = 1;
+		$define{HAVE_LZ4_H} = 1;
+		$define{USE_LZ4} = 1;
+	}
 	if ($self->{options}->{openssl})
 	{
 		$define{USE_OPENSSL} = 1;
@@ -1054,6 +1060,11 @@ sub AddProject
 		$proj->AddIncludeDir($self->{options}->{xslt} . '\include');
 		$proj->AddLibrary($self->{options}->{xslt} . '\lib\libxslt.lib');
 	}
+	if ($self->{options}->{lz4})
+	{
+		$proj->AddIncludeDir($self->{options}->{lz4} . '\include');
+		$proj->AddLibrary($self->{options}->{lz4} . '\lib\liblz4.lib');
+	}
 	if ($self->{options}->{uuid})
 	{
 		$proj->AddIncludeDir($self->{options}->{uuid} . '\include');
@@ -1165,6 +1176,7 @@ sub GetFakeConfigure
 	$cfg .= ' --with-uuid'          if ($self->{options}->{uuid});
 	$cfg .= ' --with-libxml'        if ($self->{options}->{xml});
 	$cfg .= ' --with-libxslt'       if ($self->{options}->{xslt});
+	$cfg .= ' --with-lz4'           if ($self->{options}->{lz4});
 	$cfg .= ' --with-gssapi'        if ($self->{options}->{gss});
 	$cfg .= ' --with-icu'           if ($self->{options}->{icu});
 	$cfg .= ' --with-tcl'           if ($self->{options}->{tcl});
diff --git a/src/tools/msvc/config_default.pl b/src/tools/msvc/config_default.pl
index 256878f582..460c0375d4 100644
--- a/src/tools/msvc/config_default.pl
+++ b/src/tools/msvc/config_default.pl
@@ -14,6 +14,7 @@ our $config = {
 	extraver  => undef,    # --with-extra-version=<string>
 	gss       => undef,    # --with-gssapi=<path>
 	icu       => undef,    # --with-icu=<path>
+	lz4       => undef,    # --with-lz4=<path>
 	nls       => undef,    # --enable-nls=<path>
 	tap_tests => undef,    # --enable-tap-tests
 	tcl       => undef,    # --with-tcl=<path>
-- 
2.31.1