This adds an optional github actions workflow, with a number of
smoke test verifications of mingw-w64:
- With an existing release of llvm-mingw, rebuild all the runtimes
- This done for the CRT configurations ucrtbase, ucrt and msvcrt
- Run the llvm-mingw smoke tests on Windows (testing compilation
for all 4 architectures, testing running on x86)
- Run the libcxx testsuite on Windows (i686 and x86_64)
- Test cross-building ffmpeg for all 4 architectures
- Test building and running ffmpeg with its testsuite on Windows
(i686 and x86_64)
- Test building a GCC cross compiler from scratch
- Test cross-building a Windows hosted GCC using the GCC above
- Run a small set of basic tests with the GCC toolchain
This allows doing some amount of automatic testing of mingw-w64,
covering most common build configurations, avoiding regressing
any of these cases.
While mingw-w64 isn't primarily hosted on github, this wouldn't
be a mandatory/integrated testsuite per se. But many mingw-w64
developers do use github and can benefit from this test setup,
and by having it in-repo, it's easier to coordinate updates to
the test configuration when that is needed. It also makes it
easier for others to contribute more testing configurations.
Signed-off-by: Martin Storsjö <mar...@martin.st>
---
.github/workflows/build.yml | 539 ++++++++++++++++++++++++++++++++++++
1 file changed, 539 insertions(+)
create mode 100644 .github/workflows/build.yml
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 000000000..37daa7dfc
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,539 @@
+name: Test mingw-w64
+on:
+ push:
+
+jobs:
+ llvm-mingw:
+ runs-on: ubuntu-latest
+ strategy:
+ fail-fast: false
+ matrix:
+ crt:
+ - ucrt
+ - ucrtbase
+ - msvcrt
+ steps:
+ - name: Check out llvm-mingw build scripts
+ uses: actions/checkout@v4
+ with:
+ repository: mstorsjo/llvm-mingw
+ ref: 20250402
+ - name: Check out the mingw-w64 version to be tested
+ uses: actions/checkout@v4
+ with:
+ path: mingw-w64
+ - name: Regenerate mingw-w64 files
+ run: |
+ sudo apt-get update && sudo apt-get install autoconf automake
+ cd mingw-w64/mingw-w64-headers
+ autoreconf
+ cd ../mingw-w64-crt
+ autoreconf
+ cd ../mingw-w64-libraries/winpthreads
+ autoreconf
+ cd ../winstorecompat
+ autoreconf
+ - name: Rebuild the runtimes
+ run: |
+ sudo apt-get update && sudo apt-get install ninja-build
+ DISTRO=ubuntu-20.04-x86_64
+ src_crt=${{matrix.crt}}
+ if [ "$src_crt" = "ucrtbase" ]; then
+ src_crt=ucrt
+ fi
+ curl -LO
https://github.com/mstorsjo/llvm-mingw/releases/download/20250402/llvm-mingw-20250402-$src_crt-$DISTRO.tar.xz
+ tar -Jxf llvm-mingw-*.tar.xz
+ rm llvm-mingw-*.tar.xz
+ mkdir install
+ mv llvm-mingw-*-ubuntu-* install/llvm-mingw
+ ./build-all.sh $(pwd)/install/llvm-mingw --no-tools --wipe-runtimes
--with-default-msvcrt=${{matrix.crt}}
+ ./test-libcxx-module.sh $(pwd)/install/llvm-mingw
+ # Run basic smoke tests on the reassembled toolchain
+ RUN_I686=false RUN_X86_64=false ./run-tests.sh
$(pwd)/install/llvm-mingw
+ cd install
+ TAG=testing
+ NAME=llvm-mingw-$TAG-${{matrix.crt}}-$DISTRO
+ mv llvm-mingw $NAME
+ tar -Jcf ../$NAME.tar.xz --format=ustar --numeric-owner --owner=0
--group=0 --sort=name $NAME
+ mv $NAME llvm-mingw
+ - uses: actions/upload-artifact@v4
+ with:
+ name: linux-${{matrix.crt}}-x86_64-toolchain
+ path: |
+ llvm-mingw-*.tar.xz
+ retention-days: 7
+ - name: Update runtimes in Windows toolchains
+ run: |
+ rm llvm-mingw-*.tar.xz
+ mkdir cross
+ cd cross
+
+ for arch in i686 x86_64; do
+ src_crt=${{matrix.crt}}
+ if [ "$src_crt" = "ucrtbase" ]; then
+ src_crt=ucrt
+ fi
+ curl -LO
https://github.com/mstorsjo/llvm-mingw/releases/download/20250402/llvm-mingw-20250402-$src_crt-$arch.zip
+ unzip -q llvm-mingw-*.zip
+ rm llvm-mingw-*.zip
+ mv llvm-mingw-* llvm-mingw
+ rm -rf llvm-mingw/*-w64-mingw32 llvm-mingw/include
+ ../prepare-cross-toolchain.sh ../install/llvm-mingw llvm-mingw
$arch
+ TAG=testing
+ NAME=llvm-mingw-$TAG-${{matrix.crt}}-$arch
+ mv llvm-mingw $NAME
+ zip -9rq ../$NAME.zip $NAME
+ rm -rf $NAME
+ done
+ - uses: actions/upload-artifact@v4
+ with:
+ name: windows-${{matrix.crt}}-i686-toolchain
+ path: |
+ llvm-mingw-*-i686.zip
+ retention-days: 7
+ - uses: actions/upload-artifact@v4
+ with:
+ name: windows-${{matrix.crt}}-x86_64-toolchain
+ path: |
+ llvm-mingw-*-x86_64.zip
+ retention-days: 7
+
+ test-llvm-mingw:
+ needs: [llvm-mingw]
+ runs-on: windows-latest
+ defaults:
+ run:
+ shell: msys2 {0}
+ strategy:
+ fail-fast: false
+ matrix:
+ arch:
+ - x86_64
+ - i686
+ crt:
+ - ucrt
+ - ucrtbase
+ - msvcrt
+ steps:
+ - uses: msys2/setup-msys2@v2
+ with:
+ msystem: mingw64
+ install: >-
+ unzip
+ make
+ - uses: actions/download-artifact@v4
+ with:
+ name: windows-${{matrix.crt}}-${{matrix.arch}}-toolchain
+ - name: Unpack toolchain
+ run: |
+ unzip -q llvm-mingw-*.zip
+ rm llvm-mingw-*.zip
+ mv llvm-mingw-* /llvm-mingw
+ echo /llvm-mingw/bin >> $GITHUB_PATH
+ - name: Check out llvm-mingw tests
+ uses: actions/checkout@v4
+ with:
+ repository: mstorsjo/llvm-mingw
+ ref: 20250402
+ - name: Run tests
+ run: |
+ ./run-tests.sh /llvm-mingw
+ - name: Run extra tests with crt-test
+ run: |
+ export PATH=/llvm-mingw/bin:$PATH
+ for arch in i686 x86_64 armv7 aarch64; do
+ for crt in msvcrt-ansi msvcrt-noansi ucrt ucrtbase; do
+ case $crt in
+ msvcrt*) defs="-D__MSVCRT_VERSION__=0x700"; lib=msvcrt-os ;;
+ ucrt*) defs="-D_UCRT"; lib=$crt ;;
+ esac
+ case $crt in
+ *-noansi) defs="$defs -D__USE_MINGW_ANSI_STDIO=0" ;;
+ *-ansi) defs="$defs -D__USE_MINGW_ANSI_STDIO=1" ;;
+ esac
+ name=crt-test-$arch-$crt
+ $arch-w64-mingw32-clang $defs -fno-builtin test/crt-test.c -o
$name-regular.exe -lmingwex -l$lib -O2
+ $arch-w64-mingw32-clang $defs -fno-builtin test/crt-test.c -o
$name-crt-first.exe -l$lib -O2
+ echo $name
+ case $arch in
+ *86*) ./$name-regular.exe ; ./$name-crt-first.exe ;;
+ esac
+ done
+ done
+
+ test-libcxx:
+ needs: [llvm-mingw]
+ runs-on: windows-latest
+ strategy:
+ fail-fast: false
+ matrix:
+ include:
+ - { arch: x86_64, prefix: i686-w64-mingw32- }
+ - { arch: x86_64, prefix: }
+ steps:
+ - name: Install dependencies
+ run: |
+ choco install ninja
+ - uses: actions/download-artifact@v4
+ with:
+ name: windows-ucrt-${{matrix.arch}}-toolchain
+ - name: Unpack toolchain
+ run: |
+ Expand-Archive llvm-mingw-*.zip -DestinationPath .
+ del llvm-mingw-*.zip
+ mv llvm-mingw-* c:\llvm-mingw
+ echo "c:\llvm-mingw\bin" | Out-File -FilePath $Env:GITHUB_PATH
-Encoding utf8 -Append
+ echo "c:\llvm-mingw\python\bin" | Out-File -FilePath
$Env:GITHUB_PATH -Encoding utf8 -Append
+ echo "PYTHON_EXE=c:/llvm-mingw/python/bin/python3.exe" | Out-File
-FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
+ - name: Check out llvm-mingw scripts
+ uses: actions/checkout@v4
+ with:
+ repository: mstorsjo/llvm-mingw
+ ref: 20250402
+ - name: Checkout llvm-project
+ run: |
+ bash -c "CHECKOUT_ONLY=1 ./build-llvm.sh"
+ - name: Build and test libcxx
+ run: |
+ cd llvm-project
+ mkdir build
+ cd build
+ cmake ../runtimes `
+ -G Ninja `
+ -DCMAKE_BUILD_TYPE=Release `
+ -DPython3_EXECUTABLE="$Env:PYTHON_EXE" `
+ -DLIBCXX_ENABLE_WERROR=YES `
+ -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind" `
+ -DLIBCXX_CXX_ABI=libcxxabi `
+ -DCMAKE_C_COMPILER=${{matrix.prefix}}clang `
+ -DCMAKE_CXX_COMPILER=${{matrix.prefix}}clang++ `
+ -DLIBCXXABI_ENABLE_SHARED=NO `
+ -DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=YES `
+ -DLIBCXX_USE_COMPILER_RT=YES `
+ -DLIBCXXABI_USE_COMPILER_RT=YES `
+ -DLIBUNWIND_USE_COMPILER_RT=YES `
+ -DLIBCXXABI_USE_LLVM_UNWINDER=YES `
+ -DLIBCXX_EXTRA_SITE_DEFINES="__USE_MINGW_ANSI_STDIO=1" `
+ -DLLVM_LIT_ARGS="-v --time-tests"
+ ninja
+ ninja check-cxx check-cxxabi check-unwind
+
+ linux-test-cross-build-ffmpeg:
+ needs: [llvm-mingw]
+ runs-on: ubuntu-latest
+ strategy:
+ fail-fast: false
+ matrix:
+ arch:
+ - i686
+ - x86_64
+ - armv7
+ - aarch64
+ steps:
+ - uses: actions/download-artifact@v4
+ with:
+ name: linux-ucrt-x86_64-toolchain
+ - name: Unpack cross toolchain
+ run: |
+ tar -Jxf llvm-mingw-*.tar.xz
+ rm llvm-mingw-*.tar.xz
+ sudo mv llvm-mingw* /opt/llvm-mingw
+ echo /opt/llvm-mingw/bin >> $GITHUB_PATH
+ - name: Checkout ffmpeg
+ uses: actions/checkout@v4
+ with:
+ repository: ffmpeg/ffmpeg
+ ref: n6.1.2
+ path: ffmpeg
+ - name: Build ffmpeg
+ run: |
+ sudo apt-get update && sudo apt-get install nasm
+ mkdir ffmpeg-build
+ cd ffmpeg-build
+ ../ffmpeg/configure --arch=${{matrix.arch}} --target-os=mingw32
--cross-prefix=${{matrix.arch}}-w64-mingw32- --enable-gpl
+ make -j$(nproc)
+
+ test-ffmpeg:
+ needs: [llvm-mingw]
+ runs-on: windows-latest
+ strategy:
+ fail-fast: false
+ matrix:
+ arch:
+ - i686
+ - x86_64
+ defaults:
+ run:
+ shell: msys2 {0}
+ steps:
+ - name: Avoid git checking out files with CRLF
+ shell: cmd
+ run: |
+ git config --global core.autocrlf false
+ - uses: msys2/setup-msys2@v2
+ with:
+ msystem: mingw64
+ install: >-
+ unzip
+ make
+ rsync
+ diffutils
+ pacboy: >-
+ nasm:p
+ - uses: actions/download-artifact@v4
+ with:
+ name: windows-ucrt-${{matrix.arch}}-toolchain
+ - name: Unpack toolchain
+ run: |
+ unzip -q llvm-mingw-*.zip
+ rm llvm-mingw-*.zip
+ mv llvm-mingw-* /llvm-mingw
+ echo /llvm-mingw/bin >> $GITHUB_PATH
+ - name: Checkout ffmpeg
+ uses: actions/checkout@v4
+ with:
+ repository: ffmpeg/ffmpeg
+ ref: n6.1.2
+ path: ffmpeg
+ - name: Cache FATE samples
+ uses: actions/cache@v4
+ with:
+ path: fate-samples
+ key: fate-samples
+ - name: Build & test ffmpeg
+ run: |
+ export PATH=/llvm-mingw/bin:$PATH
+ mkdir ffmpeg-build
+ cd ffmpeg-build
+ ../ffmpeg/configure --samples=../fate-samples --enable-gpl
+ make -j$(nproc)
+ make fate-rsync
+ make -j$(nproc) fate
+
+ gcc:
+ runs-on: ubuntu-latest
+ strategy:
+ fail-fast: false
+ matrix:
+ crt:
+ - ucrt
+ - msvcrt
+ arch:
+ - i686
+ - x86_64
+ steps:
+ - name: Download dependencies
+ run: |
+ sudo apt-get update && sudo apt-get install libgmp-dev libmpfr-dev
libmpc-dev autoconf automake
+ - name: Build binutils
+ run: |
+ curl -LO https://ftp.gnu.org/gnu/binutils/binutils-2.42.tar.xz
+ tar -Jxf binutils-*.tar.xz
+ rm binutils-*.tar.xz
+ cd binutils-*
+ mkdir build
+ cd build
+ ../configure --prefix=$(pwd)/../../prefix
--target=${{matrix.arch}}-w64-mingw32 --disable-werror --disable-multilib
+ make -j$(nproc)
+ make install-strip
+ echo $(pwd)/../../prefix/bin >> $GITHUB_PATH
+ - name: Build the base GCC
+ run: |
+ curl -LO https://ftp.gnu.org/gnu/gcc/gcc-14.1.0/gcc-14.1.0.tar.xz
+ tar -Jxf gcc-*.tar.xz
+ rm gcc-*.tar.xz
+ cd gcc-*
+ mkdir build
+ cd build
+ ../configure --prefix=$(pwd)/../../prefix
--target=${{matrix.arch}}-w64-mingw32 --enable-languages=c,c++
--disable-multilib --enable-threads=posix
+ make -j$(nproc) all-gcc
+ make install-strip-gcc
+ - name: Check out the mingw-w64 version to be tested
+ uses: actions/checkout@v4
+ with:
+ path: mingw-w64
+ - name: Build the mingw-w64 runtime
+ run: |
+ PREFIX=$(pwd)/prefix/${{matrix.arch}}-w64-mingw32
+ cd mingw-w64/mingw-w64-headers
+ autoreconf
+ mkdir build
+ cd build
+ ../configure --prefix=$PREFIX --host=${{matrix.arch}}-w64-mingw32
--with-default-msvcrt=${{matrix.crt}}
+ make install
+ cd ../../mingw-w64-crt
+ autoreconf
+ mkdir build
+ cd build
+ ../configure --prefix=$PREFIX --host=${{matrix.arch}}-w64-mingw32
--with-default-msvcrt=${{matrix.crt}} ${{ matrix.arch == 'i686' &&
'--enable-lib32 --disable-lib64' || '--disable-lib32 --enable-lib64' }}
+ make -j$(nproc)
+ make install
+ cd ../../mingw-w64-libraries/winpthreads
+ autoreconf
+ mkdir build
+ cd build
+ ../configure --prefix=$PREFIX --host=${{matrix.arch}}-w64-mingw32
+ make -j$(nproc)
+ make install
+ - name: Build the GCC runtimes
+ run: |
+ cd gcc-*
+ cd build
+ make -j$(nproc)
+ make install-strip
+ - name: Package the toolchain
+ run: |
+ NAME=gcc-mingw-${{matrix.crt}}-${{matrix.arch}}
+ mv prefix $NAME
+ tar -Jcf $NAME.tar.xz --format=ustar --numeric-owner --owner=0
--group=0 --sort=name $NAME
+ - uses: actions/upload-artifact@v4
+ with:
+ name: linux-${{matrix.crt}}-${{matrix.arch}}-gcc-toolchain
+ path: |
+ gcc-mingw-*.tar.xz
+ retention-days: 7
+
+ gcc-cross:
+ runs-on: ubuntu-latest
+ needs: [gcc]
+ strategy:
+ fail-fast: false
+ matrix:
+ crt:
+ - ucrt
+ - msvcrt
+ arch:
+ - i686
+ - x86_64
+ steps:
+ - uses: actions/download-artifact@v4
+ with:
+ name: linux-${{matrix.crt}}-${{matrix.arch}}-gcc-toolchain
+ - name: Unpack cross toolchain
+ run: |
+ tar -Jxf gcc-mingw-*.tar.xz
+ rm gcc-mingw-*.tar.xz
+ sudo mv gcc-mingw* /opt/gcc-mingw
+ echo /opt/gcc-mingw/bin >> $GITHUB_PATH
+ - name: Build dependencies
+ run: |
+ PREFIX=$(pwd)/prefix
+
+ curl -LO https://ftp.gnu.org/gnu/gmp/gmp-6.3.0.tar.xz
+ tar -Jxf gmp-*.tar.xz
+ rm gmp-*.tar.xz
+ cd gmp-*
+ mkdir build
+ cd build
+ ../configure --prefix=$PREFIX --host=${{matrix.arch}}-w64-mingw32
--disable-shared
+ make -j$(nproc)
+ make install
+ cd ../..
+
+ curl -LO https://ftp.gnu.org/gnu/mpfr/mpfr-4.2.1.tar.xz
+ tar -Jxf mpfr-*.tar.xz
+ rm mpfr-*.tar.xz
+ cd mpfr-*
+ mkdir build
+ cd build
+ ../configure --prefix=$PREFIX --host=${{matrix.arch}}-w64-mingw32
--disable-shared --with-gmp=$PREFIX
+ make -j$(nproc)
+ make install
+ cd ../..
+
+ curl -LO https://ftp.gnu.org/gnu/mpc/mpc-1.3.1.tar.gz
+ tar -zxf mpc-*.tar.gz
+ rm mpc-*.tar.gz
+ cd mpc-*
+ mkdir build
+ cd build
+ ../configure --prefix=$PREFIX --host=${{matrix.arch}}-w64-mingw32
--disable-shared --with-gmp=$PREFIX
+ make -j$(nproc)
+ make install
+ cd ../..
+
+ - name: Build binutils
+ run: |
+ curl -LO https://ftp.gnu.org/gnu/binutils/binutils-2.42.tar.xz
+ tar -Jxf binutils-*.tar.xz
+ rm binutils-*.tar.xz
+ cd binutils-*
+ mkdir build
+ cd build
+ ../configure --prefix=$(pwd)/../../prefix
--host=${{matrix.arch}}-w64-mingw32 --target=${{matrix.arch}}-w64-mingw32
--disable-werror --disable-multilib
+ make -j$(nproc)
+ make install-strip
+ echo $(pwd)/../../prefix/bin >> $GITHUB_PATH
+ - name: Build GCC
+ run: |
+ curl -LO https://ftp.gnu.org/gnu/gcc/gcc-14.1.0/gcc-14.1.0.tar.xz
+ tar -Jxf gcc-*.tar.xz
+ rm gcc-*.tar.xz
+ cd gcc-*
+ mkdir build
+ cd build
+ ../configure --prefix=$(pwd)/../../prefix
--host=${{matrix.arch}}-w64-mingw32 --target=${{matrix.arch}}-w64-mingw32
--enable-languages=c,c++ --disable-multilib --enable-threads=posix
--with-gmp=$(pwd)/../../prefix
--with-native-system-header-dir=/opt/gcc-mingw/${{matrix.arch}}-w64-mingw32/include
--disable-bootstrap
+ make -j$(nproc) all-gcc
+ make install-strip-gcc
+ - name: Transplant the mingw-w64 installation from the cross compiler to
the native one
+ run: |
+ rm -rf prefix/${{matrix.arch}}-w64-mingw32/include
+ rm -rf prefix/${{matrix.arch}}-w64-mingw32/lib
+ mkdir -p prefix/${{matrix.arch}}-w64-mingw32/bin
+ cp -a /opt/gcc-mingw/${{matrix.arch}}-w64-mingw32/bin/*.dll
prefix/${{matrix.arch}}-w64-mingw32/bin
+ cp -a /opt/gcc-mingw/${{matrix.arch}}-w64-mingw32/include
prefix/${{matrix.arch}}-w64-mingw32
+ cp -a /opt/gcc-mingw/${{matrix.arch}}-w64-mingw32/lib
prefix/${{matrix.arch}}-w64-mingw32/lib
+ cp -a /opt/gcc-mingw/${{matrix.arch}}-w64-mingw32/include/c++
prefix/include
+ cp -a /opt/gcc-mingw/${{matrix.arch}}-w64-mingw32/bin/*.dll
prefix/bin
+ cp -a /opt/gcc-mingw/${{matrix.arch}}-w64-mingw32/lib/*.dll
prefix/bin
+ rm -rf prefix/lib/gcc
+ cp -a /opt/gcc-mingw/lib/gcc prefix/lib
+ - name: Package the toolchain
+ run: |
+ NAME=gcc-mingw-${{matrix.crt}}-${{matrix.arch}}
+ mv prefix $NAME
+ zip -9rq $NAME.zip $NAME
+ - uses: actions/upload-artifact@v4
+ with:
+ name: windows-${{matrix.crt}}-${{matrix.arch}}-gcc-toolchain
+ path: |
+ gcc-mingw-*.zip
+ retention-days: 7
+
+ test-gcc:
+ needs: [gcc-cross]
+ runs-on: windows-latest
+ strategy:
+ fail-fast: false
+ matrix:
+ crt:
+ - ucrt
+ - msvcrt
+ arch:
+ - i686
+ - x86_64
+ steps:
+ - uses: actions/download-artifact@v4
+ with:
+ name: windows-${{matrix.crt}}-${{matrix.arch}}-gcc-toolchain
+ - name: Unpack toolchain
+ run: |
+ Expand-Archive gcc-mingw-*.zip -DestinationPath .
+ del gcc-mingw-*.zip
+ mv gcc-mingw-* c:\gcc-mingw
+ echo "c:\gcc-mingw\bin" | Out-File -FilePath $Env:GITHUB_PATH
-Encoding utf8 -Append
+ - name: Check out llvm-mingw tests
+ uses: actions/checkout@v4
+ with:
+ repository: mstorsjo/llvm-mingw
+ ref: 20250402
+ - name: Run tests
+ run: |
+ g++ test/hello.c -o hello.exe
+ ./hello.exe
+ gcc test/crt-test.c -o crt-test.exe
+ ./crt-test.exe
+ g++ test/hello-cpp.cpp -o hello-cpp.exe
+ ./hello-cpp.exe
+ g++ test/hello-exception.cpp -o hello-exception.exe
+ ./hello-exception.exe
--
2.43.0
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