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Build libjpeg-turbo, OpenSSL, OpenBLAS, and FFmpeg packages using MSYS2 MinGW toolchain
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‎.github/scripts/setup-cross-compilation.sh‎

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#!/bin/bash
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set -e # exit on error
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set -x # echo on
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set -o pipefail # fail of any command in pipeline is an error
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pushd /
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patch -p1 -i `cygpath "$GITHUB_WORKSPACE"`/patches/makepkg/0001-cross-compilation.patch
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cat /etc/makepkg_mingw.conf
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cat /etc/profile
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cat /usr/share/makepkg/tidy/strip.sh
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popd

‎.github/workflows/build-package.yml‎

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sparse-checkout: ${{ inputs.package_name }}
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path: ${{ github.workspace }}/packages
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- name: Setup cross-compilation environment
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if: ${{ contains(inputs.packages_repository, 'MINGW') }}
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run: |
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`cygpath "${{ github.workspace }}"`/.github/scripts/setup-cross-compilation.sh
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- name: Enable Ccache
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id: enable-ccache
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run: |

‎.github/workflows/ffmpeg.yml‎

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name: Build MinGW FFmpeg using MSYS2 toolchain
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on:
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pull_request:
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workflow_dispatch:
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inputs:
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mingw_packages_branch:
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description: "MINGW-packages branch to build"
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type: string
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required: false
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default: "woarm64"
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jobs:
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mingw-w64-ffmpeg:
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uses: ./.github/workflows/build-package.yml
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with:
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package_name: mingw-w64-ffmpeg
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packages_repository: Windows-on-ARM-Experiments/MINGW-packages
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packages_branch: ${{ github.event.inputs.mingw_packages_branch || 'woarm64' }}
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cross_compile: true

‎.github/workflows/libjpeg-turbo.yml‎

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name: Build MinGW libjpeg-turbo using MSYS2 toolchain
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on:
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pull_request:
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workflow_dispatch:
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inputs:
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mingw_packages_branch:
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description: "MINGW-packages branch to build"
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type: string
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required: false
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default: "woarm64"
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jobs:
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mingw-w64-libjpeg-turbo:
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uses: ./.github/workflows/build-package.yml
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with:
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package_name: mingw-w64-libjpeg-turbo
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packages_repository: Windows-on-ARM-Experiments/MINGW-packages
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packages_branch: ${{ github.event.inputs.mingw_packages_branch || 'woarm64' }}
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cross_compile: true

‎.github/workflows/main.yml‎

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push:
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branches:
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- main
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pull_request:
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workflow_dispatch:
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inputs:
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msys2_packages_branch:

‎.github/workflows/openblas.yml‎

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name: Build MinGW OpenBLAS using MSYS2 toolchain
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on:
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pull_request:
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workflow_dispatch:
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inputs:
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mingw_packages_branch:
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description: "MINGW-packages branch to build"
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type: string
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required: false
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default: "woarm64"
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jobs:
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mingw-w64-openblas:
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uses: ./.github/workflows/build-package.yml
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with:
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package_name: mingw-w64-openblas
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packages_repository: Windows-on-ARM-Experiments/MINGW-packages
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packages_branch: ${{ github.event.inputs.mingw_packages_branch || 'woarm64' }}
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cross_compile: true

‎.github/workflows/openssl.yml‎

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name: Build MinGW OpenSSL using MSYS2 toolchain
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on:
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pull_request:
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workflow_dispatch:
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inputs:
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mingw_packages_branch:
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description: "MINGW-packages branch to build"
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type: string
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required: false
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default: "woarm64"
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jobs:
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mingw-w64-openssl:
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uses: ./.github/workflows/build-package.yml
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with:
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package_name: mingw-w64-openssl
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packages_repository: Windows-on-ARM-Experiments/MINGW-packages
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packages_branch: ${{ github.event.inputs.mingw_packages_branch || 'woarm64' }}
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dependencies: mingw-w64-cross-zlib
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cross_compile: true

‎patches/makepkg/0001-cross-compilation.patch‎

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diff --git a/etc/makepkg_mingw.conf b/etc/makepkg_mingw.conf
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--- a/etc/makepkg_mingw.conf
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+++ b/etc/makepkg_mingw.conf
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@@ -34,15 +34,17 @@
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#
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if [[ "$MSYSTEM" == "MINGW64" ]]; then
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- CARCH="x86_64"
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+ CARCH="aarch64"
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CHOST="x86_64-w64-mingw32"
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MINGW_CHOST="x86_64-w64-mingw32"
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MINGW_PREFIX="/mingw64"
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MINGW_PACKAGE_PREFIX="mingw-w64-x86_64"
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- CC="gcc"
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- CXX="g++"
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+ CC="aarch64-w64-mingw32-gcc"
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+ CXX="aarch64-w64-mingw32-g++"
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+ STRIP="aarch64-w64-mingw32-strip"
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+ OBJDUMP="aarch64-w64-mingw32-objdump"
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CPPFLAGS="-D__USE_MINGW_ANSI_STDIO=1"
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- CFLAGS="-march=nocona -msahf -mtune=generic -O2 -pipe -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong"
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+ CFLAGS="-O2 -pipe -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong"
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CXXFLAGS="$CFLAGS"
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LDFLAGS=""
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elif [[ "$MSYSTEM" == "MINGW32" ]]; then
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diff --git a/etc/profile b/etc/profile
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--- a/etc/profile
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+++ b/etc/profile
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@@ -49,7 +49,7 @@
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case "${MSYSTEM}" in
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MINGW*|CLANG*|UCRT*)
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MINGW_MOUNT_POINT="${MINGW_PREFIX}"
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- PATH="${MINGW_MOUNT_POINT}/bin:${MSYS2_PATH}${ORIGINAL_PATH:+:${ORIGINAL_PATH}}"
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+ PATH="/opt/bin:${MINGW_MOUNT_POINT}/bin:${MSYS2_PATH}${ORIGINAL_PATH:+:${ORIGINAL_PATH}}"
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PKG_CONFIG_PATH="${MINGW_MOUNT_POINT}/lib/pkgconfig:${MINGW_MOUNT_POINT}/share/pkgconfig"
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PKG_CONFIG_SYSTEM_INCLUDE_PATH="${MINGW_MOUNT_POINT}/include"
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PKG_CONFIG_SYSTEM_LIBRARY_PATH="${MINGW_MOUNT_POINT}/lib"
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diff --git a/usr/share/makepkg/tidy/strip.sh b/usr/share/makepkg/tidy/strip.sh
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--- a/usr/share/makepkg/tidy/strip.sh
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+++ b/usr/share/makepkg/tidy/strip.sh
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@@ -85,7 +85,7 @@
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strip_file(){
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local binary=$1; shift
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local tempfile=$(mktemp "$binary.XXXXXX")
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- if strip "$@" "$binary" -o "$tempfile"; then
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+ if $STRIP "$@" "$binary" -o "$tempfile"; then
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cat "$tempfile" > "$binary"
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fi
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rm -f "$tempfile"
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local binary=$1;
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local tempfile=$(mktemp "$binary.XXXXXX")
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- if strip -R .gnu.lto_* -R .gnu.debuglto_* -N __gnu_lto_v1 "$binary" -o "$tempfile"; then
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+ if $STRIP -R .gnu.lto_* -R .gnu.debuglto_* -N __gnu_lto_v1 "$binary" -o "$tempfile"; then
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cat "$tempfile" > "$binary"
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fi
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rm -f "$tempfile"
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@@ -176,7 +176,7 @@
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case "${binary##*/}" in
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*.dll|*.exe|*.sfx|*.so|*.so.[0-9]*|*.oct|*.cmxs) ;;
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# make sure this isn't some oddly named DLL
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- *) if LANG=en_US.UTF-8 LC_ALL=C objdump -f "${binary}" | grep -Eq '^start address 0x(0000000[01])?00401[0-9a-e][0-9a-e]0'
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+ *) if LANG=en_US.UTF-8 LC_ALL=C $OBJDUMP -f "${binary}" | grep -Eq '^start address 0x(0000000[01])?00401[0-9a-e][0-9a-e]0'
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then
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mv "${binary}" "${binary}.exe"
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binary+=.exe

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