5 files changed, 399 insertions, 173 deletions
diff --git a/.github/workflows/ci_macos.yml b/.github/workflows/ci_macos.yml
new file mode 100644
index 0000000..734995f
--- /dev/null
+++ b/.github/workflows/ci_macos.yml
@@ -0,0 +1,91 @@
+name: CI MacOS
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: RELWITHDEBINFO
+
+jobs:
+  CI:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ contains(matrix.os, 'macos') }}
+    strategy:
+      fail-fast: false
+      matrix:
+        name: [ "Linux x64 (Ubuntu 20.04)" ]
+        os: [ macos-latest ]
+        sanitize: [ false ]
+        build:
+          - { shell: bash }
+        include:
+          - name: "macOS (10.15) - Xcode 12.3"
+            os:  macOS-latest
+            build: { shell: bash }
+#          - name: "macOS (10.15) - Xcode 12.3 - M1"
+#            os: macos-m1
+#            build: { shell: "/usr/bin/arch -arch arm64e /bin/bash -l {0}" }
+
+    defaults:
+      run:
+        shell: ${{ matrix.build.shell }} 
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Install dependencies
+        run: |
+          brew install libheif libjpeg-turbo libimagequant libde265 x265
+
+      - name: Prepare environment
+
+        run: |
+          sudo xcode-select --switch /Library/Developer/CommandLineTools/
+          echo "JOBS=$(sysctl -n hw.logicalcpu)" >> $GITHUB_ENV
+          echo "PKG_CONFIG_PATH=/usr/local/opt/jpeg-turbo/lib/pkgconfig" >> $GITHUB_ENV
+          echo "CFLAGS=-I/opt/X11/include -I/usr/local/Cellar/libpng/1.6.37/include/libpng16"  >> $GITHUB_ENV
+          echo "LDFLAGS=-L/usr/local/Cellar/libpng/1.6.37/lib" >> $GITHUB_ENV
+          echo "CPATH=/usr/local/include:/usr/local/Cellar/libpng/1.6.37/include/libpng16"  >> $GITHUB_ENV
+          echo "C_INCLUDE_PATH=/usr/local/lib:/usr/local/Cellar/libpng/1.6.37/include/libpng16:/usr/local/opt/openssl/include" >> $GITHUB_ENV
+          echo "LIBRARY_PATH=/usr/local/Cellar/libpng/1.6.37/lib:/usr/local/lib" >> $GITHUB_ENV
+          pkg-config --libs --cflags libpng
+          pkg-config --libs libpng
+          pkg-config --libs --cflags libpng16
+          pkg-config --libs libpng16
+          ls /usr/local/Cellar/libpng/1.6.37/
+          ls /usr/local/Cellar/libpng/1.6.37/lib/
+          ${{github.workspace}}/.github/scripts/removemono.sh
+
+      - name: Configure CMake
+        # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
+        # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
+        run:  cmake -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1 -DENABLE_WEBP=1
+              -DENABLE_TIFF=1  -DENABLE_GD_FORMATS=1 -DENABLE_CPP=0 -DENABLE_HEIF=1 -D CMAKE_PREFIX_PATH=/usr/local
+              -DBUILD_TEST=1 -DVERBOSE_MAKEFILE=1 -DPNG_PNG_INCLUDE_DIR=/usr/local/Cellar/libpng/1.6.37/include -DPNG_PNG_LIBRARY_DIR=/usr/local/Cellar/libpng/1.6.37/lib -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+
+      - name: Build
+        # Build your program with the given configuration
+        run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} --parallel 4
+
+      - name: Test
+        working-directory: ${{github.workspace}}/build
+        # Execute tests defined by the CMake configuration.  
+        # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
+        run: |
+          export TMP=${{runner.temp}}
+          echo "TMP=${{github.temp}}" >> $GITHUB_ENV
+          echo "LSAN_OPTIONS=suppressions=${{ github.workspace }}/suppressions/lsan.supp" >> $GITHUB_ENV
+          CTEST_OUTPUT_ON_FAILURE=1 ctest -C ${{env.BUILD_TYPE}}
+
+      - name: Output Log
+        if: contains(matrix.os, 'ubuntu')
+        run: |
+          if test -f "/home/runner/work/libgd/libgd/build/Testing/Temporary/LastTest.log"; then
+              cat /home/runner/work/libgd/libgd/build/Testing/Temporary/LastTest.log
+          fi
diff --git a/.github/workflows/ci_master.yml b/.github/workflows/ci_master.yml
deleted file mode 100644
index bf3f165..0000000
--- a/.github/workflows/ci_master.yml
+++ /dev/null
@@ -1,173 +0,0 @@
-name: CI Master
-
-on:
-  push:
-    branches: [ master ]
-  pull_request:
-    branches: [ master ]
-
-env:
-  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
-  BUILD_TYPE: Debug
-
-jobs:
-  CI:
-    name: ${{ matrix.name }}
-    runs-on: ${{ matrix.os }}
-    continue-on-error: ${{ contains(matrix.os, 'macos') }}
-    strategy:
-      fail-fast: false
-      matrix:
-        name: [ "Linux x64 (Ubuntu 20.04)" ]
-        os: [ ubuntu-20.04 ]
-        sanitize: [ false ]
-        build:
-          - { shell: bash }
-        include:
-          - name: "Linux x64 (Ubuntu 20.04)"
-            os: ubuntu-20.04
-            build: { shell: bash }
-          - name: "macOS (10.15) - Xcode 12.3"
-            os:  macOS-latest
-            build: { shell: bash }
-#          - name: "macOS (10.15) - Xcode 12.3 - M1"
-#            os: macos-m1
-#            build: { shell: "/usr/bin/arch -arch arm64e /bin/bash -l {0}" }
-          - name: "Windows 2019 x64"
-            os: windows-2019
-            build: { shell: powershell }
-
-    defaults:
-      run:
-        shell: ${{ matrix.build.shell }} 
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v2
-
-      - name: Update apt
-        if: contains(matrix.os, 'ubuntu')
-        env:
-          DEBIAN_FRONTEND: noninteractive
-        run: sudo -E apt-get update -qq -o Acquire::Retries=3
-
-      - name: Add libheif PPA
-        if: contains(matrix.os, 'ubuntu')
-        run: |
-          sudo add-apt-repository ppa:strukturag/libde265
-          sudo add-apt-repository ppa:strukturag/libheif
-
-      - name: install Ubuntu dependencies
-        if: contains(matrix.os, 'ubuntu')
-        env:
-          DEBIAN_FRONTEND: noninteractive
-        run:  sudo -E apt-get install --fix-missing -qq -o Acquire::Retries=3
-              libjpeg-turbo8-dev libimagequant-dev libde265-dev
-              libpng-dev libwebp-dev libtiff5-dev libx265-dev 
-              libheif-dev libfreetype-dev libheif-dev 
-              libavifile-0.7-dev libxpm-dev libraqm-dev
-
-      - name: Install macOS dependencies
-        if: contains(matrix.os, 'macos')
-        run: |
-          brew install libheif libjpeg-turbo libimagequant libde265 x265
-
-      - name: Prepare macOS environment
-        if: contains(matrix.os, 'macos')
-        run: |
-          sudo xcode-select --switch /Library/Developer/CommandLineTools/
-          echo "JOBS=$(sysctl -n hw.logicalcpu)" >> $GITHUB_ENV
-          echo "PKG_CONFIG_PATH=/usr/local/opt/jpeg-turbo/lib/pkgconfig" >> $GITHUB_ENV
-          echo "CFLAGS=-I/opt/X11/include -I/usr/local/Cellar/libpng/1.6.37/include/libpng16"  >> $GITHUB_ENV
-          echo "LDFLAGS=-L/usr/local/Cellar/libpng/1.6.37/lib" >> $GITHUB_ENV
-          echo "CPATH=/usr/local/include:/usr/local/Cellar/libpng/1.6.37/include/libpng16"  >> $GITHUB_ENV
-          echo "C_INCLUDE_PATH=/usr/local/lib:/usr/local/Cellar/libpng/1.6.37/include/libpng16:/usr/local/opt/openssl/include" >> $GITHUB_ENV
-          echo "LIBRARY_PATH=/usr/local/Cellar/libpng/1.6.37/lib:/usr/local/lib" >> $GITHUB_ENV
-          pkg-config --libs --cflags libpng
-          pkg-config --libs libpng
-          pkg-config --libs --cflags libpng16
-          pkg-config --libs libpng16
-          ls /usr/local/Cellar/libpng/1.6.37/
-          ls /usr/local/Cellar/libpng/1.6.37/lib/
-          ${{github.workspace}}/.github/scripts/removemono.sh
-
-      - name: Configure CMake MacOS
-        if: contains(matrix.os, 'macos')
-        # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
-        # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-        run:  cmake -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1 -DENABLE_WEBP=1
-              -DENABLE_TIFF=1  -DENABLE_GD_FORMATS=1 -DENABLE_CPP=0 -DENABLE_HEIF=1 -D CMAKE_PREFIX_PATH=/usr/local
-              -DBUILD_TEST=1 -DVERBOSE_MAKEFILE=1 -DPNG_PNG_INCLUDE_DIR=/usr/local/Cellar/libpng/1.6.37/include -DPNG_PNG_LIBRARY_DIR=/usr/local/Cellar/libpng/1.6.37/lib -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
-
-      - name: Install Dependencies Windows
-        if: contains(matrix.os, 'Windows')
-        run: |
-          $Env:VCPKG_DEFAULT_TRIPLET="x64-windows"
-          C:\vcpkg\vcpkg.exe install libpng libjpeg-turbo freetype tiff libheif libwebp
-
-      - name: Configure CMake Windows x64
-        if: contains(matrix.os, 'Windows')
-        # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
-        # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-        run:  cmake -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1  -DENABLE_GD_FORMATS=1 -DENABLE_TIFF=1
-              -DENABLE_HEIF=1
-              -DBUILD_TEST=1 -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
-              -DCMAKE_TOOLCHAIN_FILE=C:\vcpkg\scripts\buildsystems\vcpkg.cmake
-
-      - name: Configure CMake Ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
-        # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-        run:  cmake -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1 -DENABLE_WEBP=1
-              -DENABLE_TIFF=1 -DENABLE_XPM=1 -DENABLE_GD_FORMATS=1 -DENABLE_HEIF=1 -DENABLE_RAQM=1
-              -DBUILD_TEST=1 -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
-
-      - name: Build
-        # Build your program with the given configuration
-        run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} --parallel 4
-
-      - name: Test Ubuntu
-        if: contains(matrix.os, 'ubuntu') || contains(matrix.os, 'macos')
-        working-directory: ${{github.workspace}}/build
-        # Execute tests defined by the CMake configuration.  
-        # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-        run: |
-          echo "LSAN_OPTIONS=suppressions=${{ github.workspace }}/suppressions/lsan.supp" >> $GITHUB_ENV
-          CTEST_OUTPUT_ON_FAILURE=1 ctest -C ${{env.BUILD_TYPE}}
-
-      - name: Test Windows
-        if: contains(matrix.os, 'windows')
-        working-directory: ${{github.workspace}}/build
-        # Execute tests defined by the CMake configuration.  
-        # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-        run: |
-          $Env:CTEST_OUTPUT_ON_FAILURE=1
-          ctest -C ${{env.BUILD_TYPE}}
-
-      - name: Configure CMake ASAN Ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
-        # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-        run:  cmake -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1 -DENABLE_WEBP=1
-              -DENABLE_TIFF=1 -DENABLE_XPM=1 -DENABLE_GD_FORMATS=1 -DENABLE_HEIF=1
-              -DBUILD_TEST=1 -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
-
-      - name: Build ASAN Ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        # Build your program with the given configuration
-        run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
-
-      - name: Test ASAN Ubuntu
-        if: contains(matrix.os, 'ubuntu')
-        working-directory: ${{github.workspace}}/build
-        # Execute tests defined by the CMake configuration.  
-        # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-        run: CTEST_OUTPUT_ON_FAILURE=1 ctest -C ${{env.BUILD_TYPE}}
-
-
-      - name: Output Log
-        if: contains(matrix.os, 'ubuntu')
-        run: |
-          if test -f "/home/runner/work/libgd/libgd/build/Testing/Temporary/LastTest.log"; then
-              cat /home/runner/work/libgd/libgd/build/Testing/Temporary/LastTest.log
-          fi
diff --git a/.github/workflows/ci_ubuntu.yml b/.github/workflows/ci_ubuntu.yml
new file mode 100644
index 0000000..9e0abdb
--- /dev/null
+++ b/.github/workflows/ci_ubuntu.yml
@@ -0,0 +1,156 @@
+name: CI Ubuntu
+
+on:
+  push:
+      branches:
+        - 'features/mingw-ci'
+  pull_request:
+
+  workflow_dispatch:
+
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: RELWITHDEBINFO
+
+jobs:
+  CI:
+    runs-on: ${{ matrix.config.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        config:
+          - {
+              name: "Ubuntu Intel GCC",
+              os: ubuntu-latest,
+              cc: "gcc",
+              cxx: "g++",
+              cflags: "-msse2"
+            }
+          - {
+              name: "Ubuntu Intel Clang",
+              os: ubuntu-latest,
+              cc: "clang-12",
+              cxx: "clang-cpp-12"
+            }
+          - {
+              name: "Ubuntu Graviton GCC",
+              os: [self-hosted, Linux, ARM64, graviton],
+              cc: "gcc",
+              cxx: "g++",
+              cflags: "-march=armv8.2-a+fp16+rcpc+dotprod+crypto+sve -mtune=neoverse-n1"
+            }
+
+    name: ${{ matrix.config.name }}
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Update apt (Ubuntu)
+        env:
+          DEBIAN_FRONTEND: noninteractive
+        run: sudo -E apt-get update -qq -o Acquire::Retries=3
+
+      - name: Add libheif PPA (Ubuntu)
+        run: |
+          sudo add-apt-repository ppa:strukturag/libde265
+          sudo add-apt-repository ppa:strukturag/libheif
+
+      - name: install dependencies
+        env:
+          DEBIAN_FRONTEND: noninteractive
+        run: sudo -E apt-get install --fix-missing -qq -o Acquire::Retries=3 cmake clang-12 gcc build-essential libjpeg-turbo8-dev libimagequant-dev libde265-dev libpng-dev libwebp-dev libtiff5-dev libx265-dev libheif-dev libfreetype-dev libheif-dev libavifile-0.7-dev libxpm-dev libraqm-dev dh-autoreconf
+
+      - name: Debug CC Env
+        env:
+          CC: ${{ matrix.config.cc }}
+          CXX: ${{ matrix.config.cxx }}
+          CFLAGS: ${{ matrix.config.cflags }}
+        run: |
+          echo ${{ matrix.config.cc }}
+          echo ${{ matrix.config.cxx }}
+          echo ${{ matrix.config.cflags }}
+
+      - name: Configure CMake Clang
+        if: contains(matrix.config.cc, 'clang')
+        env:
+          CC: ${{ matrix.config.cc }}
+          CXX: ${{ matrix.config.cxx }}
+          CFLAGS: ${{ matrix.config.cflags }}
+        run:
+          cmake -G "Unix Makefiles" -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1 -DENABLE_WEBP=1
+          -DENABLE_TIFF=1 -DENABLE_XPM=1 -DENABLE_GD_FORMATS=1 -DENABLE_HEIF=1 -DENABLE_RAQM=1
+          -DBUILD_TEST=1 -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+          -DCMAKE_TOOLCHAIN_FILE=${{github.workspace}}/cmake/modules/linux-clang.cmake
+
+      - name: Configure CMake gcc
+        if: contains(matrix.config.cc, 'gcc')
+        env:
+          CC: ${{ matrix.config.cc }}
+          CXX: ${{ matrix.config.cxx }}
+          CFLAGS: ${{ matrix.config.cflags }}
+        run:
+          cmake -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1 -DENABLE_WEBP=1
+          -DENABLE_TIFF=1 -DENABLE_XPM=1 -DENABLE_GD_FORMATS=1 -DENABLE_HEIF=1 -DENABLE_RAQM=1
+          -DBUILD_TEST=1 -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+
+      - name: Build
+        env:
+          CC: ${{ matrix.config.cc }}
+          CXX: ${{ matrix.config.cxx }}
+          CFLAGS: ${{ matrix.config.cflags }}
+        run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} --parallel 4
+
+      - name: Test
+        if: contains(matrix.config.cc, 'gcc')
+        working-directory: ${{github.workspace}}/build
+        run: |
+          export TMP=${{runner.temp}}
+          echo "TMP=${{github.temp}}" >> $GITHUB_ENV
+          echo "LSAN_OPTIONS=suppressions=${{ github.workspace }}/suppressions/lsan.supp" >> $GITHUB_ENV
+          CTEST_OUTPUT_ON_FAILURE=1 ctest -C ${{env.BUILD_TYPE}}
+
+      - name: Configure CMake ASAN
+        env:
+          CC: ${{ matrix.config.cc }}
+          CXX: ${{ matrix.config.cxx }}
+          CFLAGS: ${{ matrix.config.cflags }}
+        if: contains(matrix.config.cc, 'gcc')
+        run:
+          cmake -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1 -DENABLE_WEBP=1
+          -DENABLE_TIFF=1 -DENABLE_XPM=1 -DENABLE_GD_FORMATS=1 -DENABLE_HEIF=1
+          -DBUILD_TEST=1 -B ${{github.workspace}}/buildasan -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+
+      - name: Build ASAN
+        if: contains(matrix.config.cc, 'gcc')
+        env:
+          CC: ${{ matrix.config.cc }}
+          CXX: ${{ matrix.config.cxx }}
+          CFLAGS: "-march=armv8.2-a+fp16+rcpc+dotprod+crypto -mtune=neoverse-n1"
+        run: cmake --build ${{github.workspace}}/buildasan --config ${{env.BUILD_TYPE}}
+
+      - name: Test ASAN
+        if: contains(matrix.config.cc, 'gcc')
+        working-directory: ${{github.workspace}}/buildasan
+        run: |
+          export TMP=${{runner.temp}}
+          echo "TMP=${{github.temp}}" >> $GITHUB_ENV
+          CTEST_OUTPUT_ON_FAILURE=1 ctest -C ${{env.BUILD_TYPE}}
+
+      - name: Configure and Make
+        working-directory: ${{github.workspace}}/
+        run: |
+          ./bootstrap.sh
+          ./configure --with-png --with-jpeg --with-ramq --with-heif --with-xpm --with-tiff --with-webp --with-liq --enable-gd --enable-gd-formats --with-zlib
+          make
+          make dist
+
+      - name: Output Log
+        run: |
+          if test -f "/home/runner/work/libgd/libgd/build/Testing/Temporary/LastTest.log"; then
+            cat /home/runner/work/libgd/libgd/build/Testing/Temporary/LastTest.log
+          fi
diff --git a/.github/workflows/ci_windows.yml b/.github/workflows/ci_windows.yml
new file mode 100644
index 0000000..725bc0b
--- /dev/null
+++ b/.github/workflows/ci_windows.yml
@@ -0,0 +1,73 @@
+name: CI Windows
+
+on:
+  push:
+      branches:
+        - 'features/mingw-ci'
+  pull_request:
+
+  workflow_dispatch:
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: RELWITHDEBINFO
+
+jobs:
+  CI:
+    runs-on: windows-latest
+    strategy:
+          matrix:
+            arch:
+              - x64
+              - x86
+              - amd64_arm64
+    name: ${{ matrix.arch }}
+    defaults:
+      run:
+        shell: cmd
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - uses: ilammy/msvc-dev-cmd@v1
+        with:
+          arch: ${{ matrix.arch }}
+
+      - name: Install Dependencies
+        run: |
+          curl -o ${{ matrix.arch }}-windows.7z  https://raw.githubusercontent.com/libgd/libgd-windows-vcpkg-prebuild/main/${{matrix.arch}}-windows.7z
+          7z.exe x ${{ matrix.arch }}-windows.7z -o${{github.workspace}}\vcpkgusr
+
+      - name: Configure CMake
+        # vcpkg libde265 fails on arm64 and match prefix
+        if: matrix.arch == 'amd64_arm64'
+        run:  cmake -D CMAKE_GENERATOR="NMake Makefiles" -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1
+              -DENABLE_GD_FORMATS=1 -DENABLE_TIFF=1 -DBUILD_TEST=1
+              -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+              -DCMAKE_LIBRARY_PATH=${{github.workspace}}\vcpkgusr\arm64-windows\lib
+              -DCMAKE_INCLUDE_PATH=${{github.workspace}}\vcpkgusr\arm64-windows\include
+
+      - name: Configure CMake
+        if: matrix.arch != 'amd64_arm64'
+        run:  cmake -D CMAKE_GENERATOR="NMake Makefiles" -DENABLE_PNG=1 -DENABLE_FREETYPE=1 -DENABLE_JPEG=1
+               -DENABLE_GD_FORMATS=1 -DENABLE_TIFF=1 -DENABLE_HEIF=1
+              -DBUILD_TEST=1 -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+              -DCMAKE_LIBRARY_PATH=${{github.workspace}}\vcpkgusr\${{ matrix.arch }}-windows\lib
+              -DCMAKE_INCLUDE_PATH=${{github.workspace}}\vcpkgusr\${{ matrix.arch }}-windows\include
+
+      - name: Build
+        run: |
+         cd ${{github.workspace}}/build
+         nmake
+
+      - name: Tests
+        working-directory: ${{github.workspace}}/build
+        # skip test for cross builds
+        if: matrix.arch != 'amd64_arm64'
+        run: |
+          echo ${{runner.temp}}
+          echo %TMP%
+          echo %TEMP%
+          set PATH=${{github.workspace}}\vcpkgusr\${{ matrix.arch }}-windows\bin;%PATH%
+          set CTEST_OUTPUT_ON_FAILURE=1
+          nmake test
diff --git a/.github/workflows/ci_windows_mingw.yml b/.github/workflows/ci_windows_mingw.yml
new file mode 100644
index 0000000..23f92e7
--- /dev/null
+++ b/.github/workflows/ci_windows_mingw.yml
@@ -0,0 +1,79 @@
+name: CI Windows Mingw
+
+on:
+  push:
+      branches:
+        - 'features/mingw-ci'
+  pull_request:
+
+  workflow_dispatch:
+
+env:
+  # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
+  BUILD_TYPE: RELWITHDEBINFO
+
+jobs:
+
+
+  win-build:
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - { icon: '⬛', sys: mingw32, env: i686 }
+          - { icon: '🟦', sys: mingw64, env: x86_64 }
+          - { icon: '🟨', sys: ucrt64,  env: ucrt-x86_64 }  # Experimental!
+#          - { icon: '🟧', sys: clang64, env: clang-x86_64 } # Experimental!
+    name: 🚧${{ matrix.icon }}-${{ matrix.sys }}
+    defaults:
+      run:
+        shell: msys2 {0}
+    env:
+      MINGW_ARCH: ${{ matrix.sys }}
+    steps:
+
+    - name: '⚙️ git config'
+      run: git config --global core.autocrlf input
+      shell: bash
+
+    - name: '🧰 Checkout'
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+
+    - name: '${{ matrix.icon }} Setup MSYS2'
+      uses: msys2/setup-msys2@v2
+      with:
+        msystem: ${{ matrix.sys }}
+        update: true
+        install: >
+          git
+          base-devel
+          tree
+          mingw-w64-${{ matrix.env }}-toolchain
+          mingw-w64-${{ matrix.env }}-libpng
+          mingw-w64-${{ matrix.env }}-libjpeg-turbo
+          mingw-w64-${{ matrix.env }}-freetype
+          mingw-w64-${{ matrix.env }}-libtiff
+          mingw-w64-${{ matrix.env }}-libwebp
+          mingw-w64-${{ matrix.env }}-libheif
+          mingw-w64-${{ matrix.env }}-libraqm
+          mingw-w64-${{ matrix.env }}-libimagequant
+          mingw-w64-${{ matrix.env }}-libavif
+          mingw-w64-${{ matrix.env }}-cmake
+
+    - name: '🚧 Cmake Configure'
+      run:  |
+          MSYSTEM=MINGW64 cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Debug -DENABLE_PNG=1  -DENABLE_FREETYPE=1 -DENABLE_XPM=0 -DENABLE_JPEG=1 -DENABLE_WEBP=0 -DENABLE_TIFF=1  -DENABLE_XPM=0 -DENABLE_GD_FORMATS=1 -DENABLE_HEIF=1 -DENABLE_RAQM=1 -DBUILD_TEST=1 -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -B.
+
+    - name: Build
+      run: cmake --build . --config ${{env.BUILD_TYPE}} --parallel 4
+
+    - name: Run tests
+      working-directory: ${{github.workspace}}
+      run: |
+        mkdir tmp
+        export TMP=${{github.workspace}}\\tmp
+        export CTEST_OUTPUT_ON_FAILURE=1
+        ctest -C ${{env.BUILD_TYPE}}