From 529b59a04e76f70215ca70a4b2230beee4e86fc8 Mon Sep 17 00:00:00 2001
From: Fedor <fedor@mail.ru>
Date: Thu, 12 Mar 2020 20:39:43 +0300
Subject: [PATCH] Reduce compiler warnings in ICU.

---
 config/external/icu/common/Makefile.in | 12 ++++++++++++
 config/external/icu/defs.mozbuild      | 11 +++++++++++
 config/external/icu/i18n/Makefile.in   | 12 ++++++++++++
 3 files changed, 35 insertions(+)
 create mode 100644 config/external/icu/common/Makefile.in
 create mode 100644 config/external/icu/i18n/Makefile.in

diff --git a/config/external/icu/common/Makefile.in b/config/external/icu/common/Makefile.in
new file mode 100644
index 000000000..89ad2e8b8
--- /dev/null
+++ b/config/external/icu/common/Makefile.in
@@ -0,0 +1,12 @@
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+include $(topsrcdir)/config/rules.mk
+
+ifdef _MSC_VER
+CXXFLAGS := $(filter-out -GR-,$(CXXFLAGS))
+CFLAGS := $(filter-out -GR-,$(CFLAGS))
+endif
diff --git a/config/external/icu/defs.mozbuild b/config/external/icu/defs.mozbuild
index 666bd4f6d..ad5b29378 100644
--- a/config/external/icu/defs.mozbuild
+++ b/config/external/icu/defs.mozbuild
@@ -47,3 +47,14 @@ if CONFIG['CLANG_CL']:
         '-Wno-macro-redefined',
         '-Wno-microsoft-include',
     ]
+
+if CONFIG['_MSC_VER'] and not CONFIG['CLANG_CL']:
+    CFLAGS += [
+        '-wd4005', # 'WIN32_LEAN_AND_MEAN' : macro redefinition
+        '-wd4996', # The compiler encountered a deprecated declaration.
+    ]
+    CXXFLAGS += [
+        '-wd4005', # 'WIN32_LEAN_AND_MEAN' : macro redefinition
+        '-wd4333', # '>>' : right shift by too large amount, data loss
+        '-wd4996', # The compiler encountered a deprecated declaration.
+    ]
diff --git a/config/external/icu/i18n/Makefile.in b/config/external/icu/i18n/Makefile.in
new file mode 100644
index 000000000..89ad2e8b8
--- /dev/null
+++ b/config/external/icu/i18n/Makefile.in
@@ -0,0 +1,12 @@
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+include $(topsrcdir)/config/rules.mk
+
+ifdef _MSC_VER
+CXXFLAGS := $(filter-out -GR-,$(CXXFLAGS))
+CFLAGS := $(filter-out -GR-,$(CFLAGS))
+endif