vcpkg/ports/openssl-uwp/EnableUWPSupport.patch

diff --git a/Configurations/10-main.conf b/Configurations/10-main.conf
index 3c4299d264..99fcb1f713 100644
--- a/Configurations/10-main.conf
+++ b/Configurations/10-main.conf
@@ -1287,7 +1287,7 @@ my %targets = (
     },
     "VC-WIN64I" => {
         inherit_from     => [ "VC-WIN64-common", asm("ia64_asm"),
-                              sub { $disabled{shared} ? () : "ia64_uplink" } ],
+                              sub { $disabled{uplink} ? () : "ia64_uplink" } ],
         AS               => "ias",
         ASFLAGS          => "-d debug",
         asoutflag        => "-o ",
@@ -1299,7 +1299,7 @@ my %targets = (
     },
     "VC-WIN64A" => {
         inherit_from     => [ "VC-WIN64-common", asm("x86_64_asm"),
-                              sub { $disabled{shared} ? () : "x86_64_uplink" } ],
+                              sub { $disabled{uplink} ? () : "x86_64_uplink" } ],
         AS               => sub { vc_win64a_info()->{AS} },
         ASFLAGS          => sub { vc_win64a_info()->{ASFLAGS} },
         asoutflag        => sub { vc_win64a_info()->{asoutflag} },
@@ -1312,7 +1312,7 @@ my %targets = (
     },
     "VC-WIN32" => {
         inherit_from     => [ "VC-noCE-common", asm("x86_asm"),
-                              sub { $disabled{shared} ? () : "uplink_common" } ],
+                              sub { $disabled{uplink} ? () : "uplink_common" } ],
         AS               => sub { vc_win32_info()->{AS} },
         ASFLAGS          => sub { vc_win32_info()->{ASFLAGS} },
         asoutflag        => sub { vc_win32_info()->{asoutflag} },
@@ -1374,7 +1374,7 @@ my %targets = (
 #### MinGW
     "mingw" => {
         inherit_from     => [ "BASE_unix", asm("x86_asm"),
-                              sub { $disabled{shared} ? () : "x86_uplink" } ],
+                              sub { $disabled{uplink} ? () : "x86_uplink" } ],
         CC               => "gcc",
         CFLAGS           => picker(default => "-Wall",
                                    debug   => "-g -O0",
diff --git a/Configurations/50-win-onecore.conf b/Configurations/50-win-onecore.conf
index d478f42b0f..e0fb70daca 100644
--- a/Configurations/50-win-onecore.conf
+++ b/Configurations/50-win-onecore.conf
@@ -1,3 +1,4 @@
+## -*- mode: perl; -*-
 # Windows OneCore targets.
 #
 # OneCore is new API stability "contract" that transcends Desktop, IoT and
@@ -10,6 +11,25 @@
 # TODO: extend error handling to use ETW based eventing
 # (Or rework whole error messaging)
 
+my $UWP_info = {};
+sub UWP_info {
+    unless (%$UWP_info) {
+        my $SDKver = `pwsh.exe -Command  \"& {\$(Get-Item \\\"hklm:\\SOFTWARE\\WOW6432Node\\Microsoft\\Microsoft SDKs\\Windows\\\").GetValue(\\\"CurrentVersion\\\")}\"`;
+        $SDKver =~ s|\R$||;
+        my @SDKver_split = split(/\./, $SDKver);
+        # SDK version older than 10.0.17763 don't support our ASM builds
+        if ($SDKver_split[0] < 10
+            || ($SDKver_split[0] == 10
+                && $SDKver_split[1] == 0
+                && $SDKver_split[2] < 17763)) {
+            $UWP_info->{disable} = [ 'asm' ];
+        } else {
+            $UWP_info->{disable} = [ ];
+        }
+    }
+    return $UWP_info;
+}
+
 my %targets = (
     "VC-WIN32-ONECORE" => {
         inherit_from    => [ "VC-WIN32" ],
@@ -61,4 +81,57 @@ my %targets = (
         ex_libs         => "onecore.lib",
         multilib        => "-arm64",
     },
+
+    # Universal Windows Platform (UWP) App Support
+
+    # TODO
+    #
+    # The 'disable' attribute should have 'uplink'.
+    # however, these are checked in some 'inherit_from', which is processed
+    # very early, before the 'disable' attributes are seen.
+    # This is a problem that needs to be resolved in Configure first.
+    #
+    # But if you want to build library with Windows 10 Version 1809 SDK or
+    # earlier, the 'disable' attribute should also have 'asm'.
+
+    "VC-WIN32-UWP" => {
+        inherit_from    => [ "VC-WIN32-ONECORE" ],
+        lflags          => add("/APPCONTAINER"),
+        defines         => add("WINAPI_FAMILY=WINAPI_FAMILY_APP",
+                               "_WIN32_WINNT=0x0A00"),
+        dso_scheme      => "",
+        disable         => sub { [ 'ui-console', 'stdio', 'async', 'uplink',
+                                   @{ UWP_info()->{disable} } ] },
+        ex_libs         => "WindowsApp.lib",
+    },
+     "VC-WIN64A-UWP" => {
+        inherit_from    => [ "VC-WIN64A-ONECORE" ],
+        lflags          => add("/APPCONTAINER"),
+        defines         => add("WINAPI_FAMILY=WINAPI_FAMILY_APP",
+                               "_WIN32_WINNT=0x0A00"),
+        dso_scheme      => "",
+        disable         => sub { [ 'ui-console', 'stdio', 'async', 'uplink',
+                                   @{ UWP_info()->{disable} } ] },
+        ex_libs         => "WindowsApp.lib",
+    },
+    "VC-WIN32-ARM-UWP" => {
+        inherit_from    => [ "VC-WIN32-ARM" ],
+        lflags          => add("/APPCONTAINER"),
+        defines         => add("WINAPI_FAMILY=WINAPI_FAMILY_APP",
+                               "_WIN32_WINNT=0x0A00"),
+        dso_scheme      => "",
+        disable         => sub { [ 'ui-console', 'stdio', 'async', 'uplink',
+                                   @{ UWP_info()->{disable} } ] },
+        ex_libs         => "WindowsApp.lib",
+    },
+     "VC-WIN64-ARM-UWP" => {
+        inherit_from    => [ "VC-WIN64-ARM" ],
+        lflags          => add("/APPCONTAINER"),
+        defines         => add("WINAPI_FAMILY=WINAPI_FAMILY_APP",
+                               "_WIN32_WINNT=0x0A00"),
+        dso_scheme      => "",
+        disable         => sub { [ 'ui-console', 'stdio', 'async', 'uplink',
+                                   @{ UWP_info()->{disable} } ] },
+        ex_libs         => "WindowsApp.lib",
+    },
 );
diff --git a/Configure b/Configure
index 5a699836f3..de45f1e299 100755
--- a/Configure
+++ b/Configure
@@ -1,4 +1,5 @@
 #! /usr/bin/env perl
+#! /usr/bin/env perl
 # -*- mode: perl; -*-
 # Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
 #
@@ -407,6 +408,7 @@ my @disablables = (
     "ubsan",
     "ui-console",
     "unit-test",
+    "uplink",
     "whirlpool",
     "weak-ssl-ciphers",
     "zlib",
@@ -491,8 +493,8 @@ my @disable_cascades = (
 
     # Without position independent code, there can be no shared libraries or DSOs
     "pic"               => [ "shared" ],
-    "shared"            => [ "dynamic-engine" ],
+    "shared"            => [ "dynamic-engine", "uplink" ],
     "dso"               => [ "dynamic-engine" ],
     "engine"            => [ "afalgeng", "devcryptoeng" ],
 
     # no-autoalginit is only useful when building non-shared
diff --git a/INSTALL b/INSTALL
index 2119cbae9e..ee54e8c215 100644
--- a/INSTALL
+++ b/INSTALL
@@ -560,6 +560,10 @@
                    likely to complement configuration command line with
                    suitable compiler-specific option.
 
+  no-uplink
+                   Don't build support for UPLINK interface.
+
+
   no-<prot>
                    Don't build support for negotiating the specified SSL/TLS
                    protocol (one of ssl, ssl3, tls, tls1, tls1_1, tls1_2,