Merge upstream HaxeFoundation/hxcpp master (Feb 2026)

Picks up 37 upstream commits since our last merge (Sep 2, 2025), including:
- Unconditional HXCPP_ALIGN_ALLOC (required for std::atomic in GC objects)
- Missing GCFreeZone calls for semaphores/condvars (HaxeFoundation#1296)
- C++11 std::mutex and condition variable for GC (HaxeFoundation#1298)
- Callable objects with GC write barriers (HaxeFoundation#1047)
- Root handle API (GCAddRoot/GCRemoveRoot) (HaxeFoundation#1292)
- Fix undefined behaviour in View::tryCopyTo overlap (HaxeFoundation#1287)
- Fix static target null Int problem
- Skip splicing when no changes (HaxeFoundation#1309)

Our ionosoft-specific changes preserved:
- GcRegCapture RSI register fix (d71061e)
- msvc-toolchain.xml debug build flags

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: intoxopox

.github/workflows/main.yml

@@ -2,11 +2,28 @@ name: main
 on: [push, pull_request]
 
 jobs:
+  check-headers:
+    name: Check headers
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout
+      uses: actions/checkout@v4
+
+    - name: Install pcre2grep
+      run: sudo apt-get update && sudo apt-get install -y pcre2-utils
+
+    - run: |
+        # macros in public headers must use the global namespace to qualify types
+        ! pcre2grep --buffer-size=1M --recursive --multiline --line-number --include='.*\.h$' \
+          '#define\s+(?:.*\\\r?\n)*.*?\K(?<!:)\b(Enum|String|StringOffset|Array|ArrayClassID|Math|Math_obj|Void|null|Dynamic|hx::|cpp::)\b' \
+          include
+      name: Check public headers
+
   Windows32:
     strategy:
       fail-fast: false
       matrix:
-        haxe: [ 4.3.4, latest ]
+        haxe: [ 4.3.7, latest ]
     uses: ./.github/workflows/test.yml
     name: Test Windows (32bit)
     with:
@@ -20,7 +37,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        haxe: [ 4.3.4, latest ]
+        haxe: [ 4.3.7, latest ]
     uses: ./.github/workflows/test.yml
     name: Test Windows (64bit)
     with:
@@ -34,21 +51,21 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        haxe: [ 4.3.4, latest ]
+        haxe: [ 4.3.7, latest ]
     uses: ./.github/workflows/test.yml
     name: Test MacOS (x86_64)
     with:
       haxe: ${{ matrix.haxe  }}
       arch: 64
       sep: /
       ext: .dylib
-      os: macos-13
+      os: macos-15-intel
 
   MacOSArm:
     strategy:
       fail-fast: false
       matrix:
-        haxe: [ 4.3.4, latest ]
+        haxe: [ 4.3.7, latest ]
     uses: ./.github/workflows/test.yml
     name: Test MacOS (Arm64)
     with:
@@ -62,7 +79,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        haxe: [ 4.3.4, latest ]
+        haxe: [ 4.3.7, latest ]
     uses: ./.github/workflows/test.yml
     name: Test Linux (32bit)
     with:
@@ -76,7 +93,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        haxe: [ 4.3.4, latest ]
+        haxe: [ 4.3.7, latest ]
     uses: ./.github/workflows/test.yml
     name: Test Linux (64bit)
     with:

.github/workflows/package.yml

@@ -16,9 +16,9 @@ jobs:
         with:
           fetch-depth: 0
 
-      - uses: Aidan63/setup-haxe@3d3101bcd0a2001699fc8295f4d9eddd0724d3e9
+      - uses: krdlab/setup-haxe@v2
         with:
-          haxe-version: 4.3.4
+          haxe-version: 4.3.7
 
       - name: Set Haxelib
         run: |

.github/workflows/setup/action.yml

@@ -7,7 +7,7 @@ runs:
   using: composite
   steps:
     - name: install haxe
-      uses: Aidan63/setup-haxe@3d3101bcd0a2001699fc8295f4d9eddd0724d3e9
+      uses: krdlab/setup-haxe@v2
       with:
         haxe-version: ${{ inputs.haxe }}
 
@@ -34,4 +34,4 @@ runs:
     - name: build hxcpp
       working-directory: tools/hxcpp
       shell: pwsh
-      run: haxe compile.hxml
+      run: haxe compile.hxml

.github/workflows/test.yml

@@ -147,26 +147,14 @@ jobs:
           uses: ./.github/workflows/setup
           with:
             haxe: ${{ inputs.haxe }}
-        - name: install mariadb
+        - name: setup mariadb
           if: runner.os == 'Linux'
           run: |
             set -ex
-            sudo rm -R /var/lib/mysql/
-            curl -sSL https://downloads.mariadb.com/MariaDB/mariadb_repo_setup > mariadb_repo_setup
-            curl -sSL https://downloads.mariadb.com/MariaDB/mariadb_repo_setup.sha256 > mariadb_repo_setup.sha256
-            sha256sum --check mariadb_repo_setup.sha256
-            sudo bash mariadb_repo_setup
             sudo apt-get update -qqy
-            sudo apt-get remove -qqy mysql-common
-            sudo apt-get autoremove -qqy
             sudo apt-get install -qqy mariadb-server
-        - name: configure mariadb
-          if: runner.os == 'Linux'
-          run: |
-            set -ex
-            sudo systemctl unmask mysql.service
-            sudo systemctl start mysql
-            sudo mysql -u root -e "create database hxcpp; grant all privileges on hxcpp.* to hxcpp@localhost identified by 'hxcpp'; flush privileges;"
+            sudo systemctl start mariadb
+            sudo mariadb -u root -e "create database hxcpp; grant all privileges on hxcpp.* to hxcpp@localhost identified by 'hxcpp'; flush privileges;"
         - name: build
           run: haxe compile${{ inputs.arch }}.hxml
         - name: run
@@ -227,7 +215,22 @@ jobs:
           haxe: ${{ inputs.haxe }}
       - name: install haxe libs
         run: haxelib install compile-cpp.hxml --always
+        # haxe 4 tests don't build with latest utest
+        if: inputs.haxe != 'latest'
       - name: build
         run: haxe compile-cpp.hxml -D ${{ env.HXCPP_ARCH_FLAG }} -D no_http
       - name: run
         run: bin${{ inputs.sep }}cpp${{ inputs.sep }}TestMain-debug
+  build_tool:
+    runs-on: ${{ inputs.os }}
+    name: build tool tests
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+      - name: setup
+        uses: ./.github/workflows/setup
+        with:
+          haxe: ${{ inputs.haxe }}
+      - name: test c/cxx_standard attributes
+        working-directory: test/cxx_standard
+        run: haxelib run hxcpp Build.xml