From 2a4c17984c93a8326583ea81b4c3e352868fd543 Mon Sep 17 00:00:00 2001
From: Dan Rosser <danoli3@gmail.com>
Date: Wed, 14 Oct 2026 23:22:56 +1300
Subject: [PATCH 1/2] msys2: clang toolchain for CLANG64/CLANGARM64; fix vscode
 template Win32 include path

---
 .../project/msys2/config.msys2.default.mk        | 16 ++++++++++++----
 .../vscode/.vscode/c_cpp_properties.json         |  2 +-
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/libs/openFrameworksCompiled/project/msys2/config.msys2.default.mk b/libs/openFrameworksCompiled/project/msys2/config.msys2.default.mk
index 7b5709fcddc..e02283cb59c 100644
--- a/libs/openFrameworksCompiled/project/msys2/config.msys2.default.mk
+++ b/libs/openFrameworksCompiled/project/msys2/config.msys2.default.mk
@@ -31,14 +31,22 @@ PLATFORM_CXXFLAGS += -std=gnu++17
 PLATFORM_CFLAGS += -DUNICODE -D_UNICODE
 #PLATFORM_CFLAGS += -IC:/msys64/mingw32/include/gstreamer-1.0 -DOF_VIDEO_PLAYER_GSTREAMER
 
-CC = $(MINGW_PREFIX)/bin/gcc
-CXX = $(MINGW_PREFIX)/bin/g++
+# CLANG64 / CLANGARM64 ship clang + LLVM tools and no gcc/binutils
+ifneq ($(filter CLANG64 CLANGARM64,$(MSYSTEM)),)
+	CC = $(MINGW_PREFIX)/bin/clang
+	CXX = $(MINGW_PREFIX)/bin/clang++
+	PLATFORM_AR = $(firstword $(wildcard $(MINGW_PREFIX)/bin/llvm-ar.exe) $(MINGW_PREFIX)/bin/ar)
+	PLATFORM_RESOURCE_COMPILER = $(firstword $(wildcard $(MINGW_PREFIX)/bin/llvm-windres.exe) $(MINGW_PREFIX)/bin/windres)
+else
+	CC = $(MINGW_PREFIX)/bin/gcc
+	CXX = $(MINGW_PREFIX)/bin/g++
+	PLATFORM_AR = $(MINGW_PREFIX)/bin/ar
+	PLATFORM_RESOURCE_COMPILER = $(MINGW_PREFIX)/bin/windres
+endif
 
 FIND ?= /usr/bin/find
-PLATFORM_AR = $(MINGW_PREFIX)/bin/ar
 #PLATFORM_LD = $(MINGW_PREFIX)/bin/ld
 PLATFORM_LD = /usr/bin/lld
-PLATFORM_RESOURCE_COMPILER = $(MINGW_PREFIX)/bin/windres
 PLATFORM_PKG_CONFIG = $(MINGW_PREFIX)/bin/pkgconf
 
 
diff --git a/scripts/templates/vscode/.vscode/c_cpp_properties.json b/scripts/templates/vscode/.vscode/c_cpp_properties.json
index 7b1fa035ae1..cc254a1d83f 100644
--- a/scripts/templates/vscode/.vscode/c_cpp_properties.json
+++ b/scripts/templates/vscode/.vscode/c_cpp_properties.json
@@ -111,7 +111,7 @@
 			"name": "Win32",
 			"includePath": [
 				"C:/msys64/mingw64/include/c++/**",
-				"C:/msys64/mingw64/i686-w64-mingw64/include",
+				"C:/msys64/mingw64/include",
 				"${OF_INCLUDE}",
 				"${OF_LIBS_INCLUDE}",
 				"${workspaceFolder}/src/**",

From b3f34f756db22f9f51fd6233eba039361f88b0a8 Mon Sep 17 00:00:00 2001
From: Dan Rosser <danoli3@gmail.com>
Date: Fri, 16 Oct 2026 15:02:33 +1300
Subject: [PATCH 2/2] vscode template: MSYS2 UCRT64 paths and shell instead of
 MINGW64

MINGW64 is no longer supported (#8589); the MSYS2 build task, include
paths and compiler now use UCRT64.
---
 scripts/templates/vscode/.vscode/c_cpp_properties.json | 6 +++---
 scripts/templates/vscode/.vscode/tasks.json            | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/scripts/templates/vscode/.vscode/c_cpp_properties.json b/scripts/templates/vscode/.vscode/c_cpp_properties.json
index cc254a1d83f..3a950a98004 100644
--- a/scripts/templates/vscode/.vscode/c_cpp_properties.json
+++ b/scripts/templates/vscode/.vscode/c_cpp_properties.json
@@ -110,8 +110,8 @@
 		{
 			"name": "Win32",
 			"includePath": [
-				"C:/msys64/mingw64/include/c++/**",
-				"C:/msys64/mingw64/include",
+				"C:/msys64/ucrt64/include/c++/**",
+				"C:/msys64/ucrt64/include",
 				"${OF_INCLUDE}",
 				"${OF_LIBS_INCLUDE}",
 				"${workspaceFolder}/src/**",
@@ -130,7 +130,7 @@
 				]
 			},
 			"intelliSenseMode": "clang-x64",
-			"compilerPath": "C:/msys64/mingw64/bin/g++.exe",
+			"compilerPath": "C:/msys64/ucrt64/bin/g++.exe",
 			"configurationProvider": "ms-vscode.makefile-tools",
 			"mergeConfigurations": true,
 			"cStandard": "c17",
diff --git a/scripts/templates/vscode/.vscode/tasks.json b/scripts/templates/vscode/.vscode/tasks.json
index a2221281e45..525749e95d5 100644
--- a/scripts/templates/vscode/.vscode/tasks.json
+++ b/scripts/templates/vscode/.vscode/tasks.json
@@ -10,7 +10,7 @@
 				"executable": "C:\\msys64\\msys2_shell.cmd",
 				"args": [
 					"-defterm",
-					"-mingw64",
+					"-ucrt64",
 					"-no-start",
 					"-here",
 					"-shell bash -c"