From af83f679e80d6bdcd3456b9add007fce2e0025ee Mon Sep 17 00:00:00 2001
From: Nulano <nulano@nulano.eu>
Date: Thu, 16 Nov 2023 22:57:41 +0100
Subject: [PATCH 1/2] windows arm64 build fixes

---
 winbuild/build_prepare.py | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/winbuild/build_prepare.py b/winbuild/build_prepare.py
index 7a5dd0a74bc..82b281e8c8f 100644
--- a/winbuild/build_prepare.py
+++ b/winbuild/build_prepare.py
@@ -118,6 +118,12 @@ def cmd_msbuild(
             "(LEGAL ISSUES\n============\n\n.+?)\n\nREFERENCES\n=========="
             ".+(libjpeg-turbo Licenses\n======================\n\n.+)$"
         ),
+        "patch": {
+            r"CMakeLists.txt": {
+                # libjpeg-turbo does not detect MSVC x86_arm64 cross-compiler correctly
+                'if(MSVC_IDE AND CMAKE_GENERATOR_PLATFORM MATCHES "arm64")': "if({architecture} STREQUAL ARM64)",  # noqa: E501
+            },
+        },
         "build": [
             *cmds_cmake(
                 ("jpeg-static", "cjpeg-static", "djpeg-static"),
@@ -327,6 +333,8 @@ def cmd_msbuild(
             "CMakeLists.txt": {
                 "if(OPENMP_FOUND)": "if(false)",
                 "install": "#install",
+                # libimagequant does not detect MSVC x86_arm64 cross-compiler correctly
+                "if(${{CMAKE_SYSTEM_PROCESSOR}} STREQUAL ARM64)": "if({architecture} STREQUAL ARM64)",  # noqa: E501
             }
         },
         "build": [
@@ -367,12 +375,17 @@ def cmd_msbuild(
 
 
 # based on distutils._msvccompiler from CPython 3.7.4
-def find_msvs() -> dict[str, str] | None:
+def find_msvs(architecture) -> dict[str, str] | None:
     root = os.environ.get("ProgramFiles(x86)") or os.environ.get("ProgramFiles")
     if not root:
         print("Program Files not found")
         return None
 
+    if architecture == "ARM64":
+        tools = "Microsoft.VisualStudio.Component.VC.Tools.ARM64"
+    else:
+        tools = "Microsoft.VisualStudio.Component.VC.Tools.x86.x64"
+
     try:
         vspath = (
             subprocess.check_output(
@@ -383,7 +396,7 @@ def find_msvs() -> dict[str, str] | None:
                     "-latest",
                     "-prerelease",
                     "-requires",
-                    "Microsoft.VisualStudio.Component.VC.Tools.x86.x64",
+                    tools,
                     "-property",
                     "installationPath",
                     "-products",
@@ -654,7 +667,7 @@ def build_dep_all() -> None:
     arch_prefs = ARCHITECTURES[args.architecture]
     print("Target architecture:", args.architecture)
 
-    msvs = find_msvs()
+    msvs = find_msvs(args.architecture)
     if msvs is None:
         msg = "Visual Studio not found. Please install Visual Studio 2017 or newer."
         raise RuntimeError(msg)
@@ -689,6 +702,11 @@ def build_dep_all() -> None:
         disabled += ["libimagequant"]
     if args.no_fribidi:
         disabled += ["fribidi"]
+    elif args.architecture == "ARM64" and platform.machine() != "ARM64":
+        import warnings
+
+        warnings.warn("Cross-compiling FriBiDi is currently not supported, disabling")
+        disabled += ["fribidi"]
 
     prefs = {
         "architecture": args.architecture,

From 7410d40f3a8be47c55c24b151de60fe24b7c2769 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ondrej=20Baranovi=C4=8D?= <nulano@nulano.eu>
Date: Fri, 17 Nov 2023 16:33:20 +0100
Subject: [PATCH 2/2] add type annotation

Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
---
 winbuild/build_prepare.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winbuild/build_prepare.py b/winbuild/build_prepare.py
index 82b281e8c8f..6b593d499ea 100644
--- a/winbuild/build_prepare.py
+++ b/winbuild/build_prepare.py
@@ -375,7 +375,7 @@ def cmd_msbuild(
 
 
 # based on distutils._msvccompiler from CPython 3.7.4
-def find_msvs(architecture) -> dict[str, str] | None:
+def find_msvs(architecture: str) -> dict[str, str] | None:
     root = os.environ.get("ProgramFiles(x86)") or os.environ.get("ProgramFiles")
     if not root:
         print("Program Files not found")