From 51b584880e550545ced3aa8ba4ccad3cf79bb53e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 28 Jan 2019 14:09:45 -0500
Subject: [PATCH 1/4] [pragma] Silence MSVC unknown-pragma warning

---
 src/hb.hh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb.hh b/src/hb.hh
index 860236b7c..5b66ba85d 100644
--- a/src/hb.hh
+++ b/src/hb.hh
@@ -30,6 +30,9 @@
 #define HB_HH
 
 #ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC
+#if defined(_MSC_VER)
+#pragma warning( disable: 4068 ) /* Unknown pragma */
+#endif
 #if defined(__GNUC__) || defined(__clang__)
 /* Rules:
  *

From 9db7a7da6339eacbb6c699fa1939bbd7e9e148f5 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 28 Jan 2019 14:09:59 -0500
Subject: [PATCH 2/4] Fix warning

c:\projects\harfbuzz\src\hb-ot-color-cbdt-table.hh(59): warning C4146: unary minus operator applied to unsigned type, result still unsigned [C:\projects\harfbuzz\build\harfbuzz.vcxproj]
---
 src/hb-ot-color-cbdt-table.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/hb-ot-color-cbdt-table.hh b/src/hb-ot-color-cbdt-table.hh
index 71c31aff8..333ceaaba 100644
--- a/src/hb-ot-color-cbdt-table.hh
+++ b/src/hb-ot-color-cbdt-table.hh
@@ -56,7 +56,7 @@ struct SmallGlyphMetrics
     extents->x_bearing = bearingX;
     extents->y_bearing = bearingY;
     extents->width = width;
-    extents->height = -height;
+    extents->height = - (hb_position_t) height;
   }
 
   HBUINT8	height;

From 6e1c3eaf7005d06c89f0807f693aadd835aa0468 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 28 Jan 2019 14:12:41 -0500
Subject: [PATCH 3/4] Fix sign comparison error

---
 src/hb-open-file.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-open-file.hh b/src/hb-open-file.hh
index de22ed55d..32a223cdf 100644
--- a/src/hb-open-file.hh
+++ b/src/hb-open-file.hh
@@ -154,7 +154,8 @@ typedef struct OffsetTable
       c->align (4);
       const char *end = (const char *) c->head;
 
-      if (items[i].tag == HB_OT_TAG_head && end - start >= head::static_size)
+      if (items[i].tag == HB_OT_TAG_head &&
+	  (unsigned) (end - start) >= head::static_size)
       {
 	head *h = (head *) start;
 	checksum_adjustment = &h->checkSumAdjustment;

From 9a1df82e3f13fbd4488ee9955814bbb5d0957074 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 28 Jan 2019 14:15:18 -0500
Subject: [PATCH 4/4] [uniscribe] Whitelist function type cast

---
 src/hb-uniscribe.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/hb-uniscribe.cc b/src/hb-uniscribe.cc
index 8e9fda269..31c50dfeb 100644
--- a/src/hb-uniscribe.cc
+++ b/src/hb-uniscribe.cc
@@ -215,9 +215,12 @@ struct hb_uniscribe_shaper_funcs_t
     hinstLib = GetModuleHandle (TEXT ("usp10.dll"));
     if (hinstLib)
     {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wcast-function-type"
       this->ScriptItemizeOpenType = (SIOT) GetProcAddress (hinstLib, "ScriptItemizeOpenType");
       this->ScriptShapeOpenType   = (SSOT) GetProcAddress (hinstLib, "ScriptShapeOpenType");
       this->ScriptPlaceOpenType   = (SPOT) GetProcAddress (hinstLib, "ScriptPlaceOpenType");
+#pragma GCC diagnostic pop
     }
     if (!this->ScriptItemizeOpenType ||
 	!this->ScriptShapeOpenType   ||