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CI/CD - add MinGW build job
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‎.github/workflows/build.yml‎

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jobs:
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linux:
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uses: ./.github/workflows/build_linux.yml
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wnt:
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uses: ./.github/workflows/build_wnt.yml

‎.github/workflows/build_wnt.yml‎

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name: Build (Windows/MinGW)
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on:
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workflow_call:
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jobs:
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# This job performs building using MinGW cross-compilation toolchain on Linux
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# with Qt packages installed from MSYS2 Pacman repositories (without installing MSYS2 itself).
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#
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# This works, however final DLLs cannot be loaded on Windows
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# with 'not found symbol _ZSt21ios_base_library_initv' due to mixture
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# of GCC versions on Linux (GCC13) and MSYS2 (GCC15) and bug fixes
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# in GCC14+ for MinGW (unrelated ELF rules applied to MinGW builds).
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#
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# Should become more useful when using newer Ubuntu images
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# (Ubuntu 25.04+ also introduced ucrt64 packages like g++-mingw-w64-x86-64-ucrt64)
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build-lin-mingw:
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runs-on: ubuntu-24.04
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env:
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TOOLCHAIN_PREFIX: x86_64-w64-mingw32
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CMAKE_TOOLCHAIN: ${{ github.workspace }}/x86_64-w64-mingw32-posix.cmake
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MSYS_FLAVOR: mingw64
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MSYS_PREFIX: mingw-w64-x86_64
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MSYS_UCRT_FLAVOR: ucrt64
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MSYS_UCRT_PREFIX: mingw-w64-ucrt-x86_64
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steps:
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- name: Clone Tree
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uses: actions/checkout@v6
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with:
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path: occt-samples-qt.git
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fetch-depth: 1
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- name: Clone OCCT
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uses: actions/checkout@v6
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with:
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repository: gkv311/OCCT
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path: occt.git
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ref: 'v7_7_x'
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fetch-depth: 1
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- name: Install Dependencies
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run: |
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cat <<EOF >> "$CMAKE_TOOLCHAIN"
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set(CMAKE_SYSTEM_NAME Windows)
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set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc-posix)
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set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++-posix)
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set(CMAKE_RC_COMPILER ${TOOLCHAIN_PREFIX}-windres)
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set(CMAKE_FIND_ROOT_PATH /usr/${TOOLCHAIN_PREFIX})
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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EOF
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cat "$CMAKE_TOOLCHAIN"
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# g++-mingw-w64-x86-64-ucrt64 requires Ubuntu 25.04+
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sudo apt-get update
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sudo apt-get install -y \
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g++ cmake ninja-build \
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mingw-w64-common mingw-w64-tools binutils-mingw-w64-x86-64 \
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g++-mingw-w64-x86-64-posix gcc-mingw-w64-x86-64-posix
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- name: Install Dependencies from MSYS2
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run: |
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sudo apt-get install -y pacman-package-manager
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# ucrt64 (mingw-w64-ucrt-x86_64-gtkmm-4.0) should be used only with g++-mingw-w64-x86-64-ucrt64
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sudo sh -c "echo '[${{ env.MSYS_FLAVOR }}]' >> /etc/pacman.conf"
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# TODO fix PGP keys setup
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sudo sh -c "echo 'SigLevel = Never' >> /etc/pacman.conf"
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sudo sh -c "echo 'Server = https://mirror.msys2.org/mingw/${{ env.MSYS_FLAVOR }}/' >> /etc/pacman.conf"
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sudo sh -c "echo 'Server = https://repo.msys2.org/mingw/${{ env.MSYS_FLAVOR }}/' >> /etc/pacman.conf"
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sudo pacman --noconfirm -Syu
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sudo pacman --noconfirm -Sy ${{ env.MSYS_PREFIX }}-freetype \
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${{ env.MSYS_PREFIX }}-qt5-base ${{ env.MSYS_PREFIX }}-qt5-declarative ${{ env.MSYS_PREFIX }}-qt5-quickcontrols2
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- name: Configure occt
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run: |
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# disable most OCCT Modules and specify minimal set of toolkits to build
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# (BUILD_ADDITIONAL_TOOLKITS) required by sample to speed up building
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cmake -G Ninja -S $GITHUB_WORKSPACE/occt.git -B "$GITHUB_WORKSPACE/occt-make" \
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-D CMAKE_TOOLCHAIN_FILE="$CMAKE_TOOLCHAIN" \
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-D CMAKE_BUILD_TYPE="Release" \
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-D INSTALL_DIR:PATH=$GITHUB_WORKSPACE/occt \
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-D BUILD_RELEASE_DISABLE_EXCEPTIONS:BOOL=OFF \
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-D BUILD_DOC_Overview:BOOL=OFF \
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-D BUILD_Inspector:BOOL=OFF \
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-D BUILD_MODULE_Draw:BOOL=OFF \
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-D BUILD_MODULE_DataExchange:BOOL=OFF \
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-D BUILD_MODULE_ApplicationFramework:BOOL=OFF \
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-D BUILD_MODULE_Visualization:BOOL=OFF \
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-D BUILD_MODULE_ModelingAlgorithms:BOOL=OFF \
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-D BUILD_MODULE_DETools:BOOL=OFF \
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-D BUILD_ADDITIONAL_TOOLKITS:STRING="TKOpenGl TKV3d TKHLR TKMesh TKService TKShHealing TKPrim TKTopAlgo TKGeomAlgo TKBRep TKGeomBase TKG3d TKG2d TKMath TKernel" \
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-D USE_FREETYPE:BOOL=ON \
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-D 3RDPARTY_FREETYPE_INCLUDE_DIR_freetype2:FILEPATH="/$MSYS_FLAVOR/include/freetype2" \
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-D 3RDPARTY_FREETYPE_INCLUDE_DIR_ft2build:FILEPATH="/$MSYS_FLAVOR/include/freetype2" \
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-D 3RDPARTY_FREETYPE_LIBRARY_DIR:PATH="/$MSYS_FLAVOR/lib" \
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-D 3RDPARTY_FREETYPE_LIBRARY:FILEPATH="/$MSYS_FLAVOR/lib/libfreetype.dll.a" \
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-D 3RDPARTY_FREETYPE_DLL_DIR:PATH="/$MSYS_FLAVOR/bin" \
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-D 3RDPARTY_FREETYPE_DLL:FILEPATH="/$MSYS_FLAVOR/bin/libfreetype-6.dll" \
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-D USE_FREEIMAGE:BOOL=OFF
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- name: Build occt
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run: |
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cmake --build "$GITHUB_WORKSPACE/occt-make" --config Release
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- name: Install occt
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run: |
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cmake --build "$GITHUB_WORKSPACE/occt-make" --config Release --target install
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- name: Configure project
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run: |
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export PKG_CONFIG_PATH=
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export PKG_CONFIG_LIBDIR=/$MSYS_FLAVOR/lib/pkgconfig
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cmake -G Ninja -S $GITHUB_WORKSPACE/occt-samples-qt.git -B "$GITHUB_WORKSPACE/occt-samples-qt-make" \
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-D CMAKE_TOOLCHAIN_FILE="$CMAKE_TOOLCHAIN" \
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-D CMAKE_BUILD_TYPE="Release" \
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-D CMAKE_INSTALL_PREFIX=$GITHUB_WORKSPACE/occt-samples-qt \
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-D QT_VERSION=Qt5 \
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-D Qt5_DIR=/$MSYS_FLAVOR/lib/cmake/Qt5 \
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-D OpenCASCADE_DIR=$GITHUB_WORKSPACE/occt/cmake
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- name: Build project
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run: |
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cmake --build "$GITHUB_WORKSPACE/occt-samples-qt-make" --config Release
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- name: Install project
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run: |
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cmake --build "$GITHUB_WORKSPACE/occt-samples-qt-make" --config Release --target install
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# the produced binaries cannot be launched, hence don't waste the time
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#cp -f -r $GITHUB_WORKSPACE/occt/win64/gcc/bin/*.dll $GITHUB_WORKSPACE/occt-samples-qt/
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#cp -f -r /$MSYS_FLAVOR/bin/*.dll $GITHUB_WORKSPACE/occt-samples-qt/

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