From 28348b578a05d50ef3a9a0a62e4c18c774e9aeab Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 30 Dec 2020 23:33:03 +0100
Subject: [PATCH 1/3] Update libpng to fix compatibility with older macOS
 versions

See https://github.com/wxWidgets/libpng/pull/5
---
 src/png | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/png b/src/png
index 3ffeff7877..9853c67ab4 160000
--- a/src/png
+++ b/src/png
@@ -1 +1 @@
-Subproject commit 3ffeff7877598d3236cc09a6d3f478073eb33f35
+Subproject commit 9853c67ab43053b1bbe05edde3dc12854d48b158

From 88332e06c8fa8d24bd71b353a8d617525a4cacdb Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 30 Dec 2020 23:33:55 +0100
Subject: [PATCH 2/3] Update expat to the latest 2.2.10 release

---
 src/expat | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/expat b/src/expat
index 4444957d18..adaa0c379b 160000
--- a/src/expat
+++ b/src/expat
@@ -1 +1 @@
-Subproject commit 4444957d1885fe351998b0a50f3d519cf757889c
+Subproject commit adaa0c379b92fb962db0dd8363c1e4e2d4e7a060

From e5428d5c7bf94d2900b59d0e939463b54d69c5a8 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Wed, 30 Dec 2020 23:34:08 +0100
Subject: [PATCH 3/3] Upgrade libtiff to the latest 4.2.0 release

Apply some workarounds of our own to fix -Wundef warnings and MSVS 200x
build.
---
 src/tiff | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tiff b/src/tiff
index 6e69a96bf6..28ce1ef089 160000
--- a/src/tiff
+++ b/src/tiff
@@ -1 +1 @@
-Subproject commit 6e69a96bf6bc968374a41027883c2762b504e32e
+Subproject commit 28ce1ef089a099334920a2d12698fa6354e30247