build.yml

name: Build libgcc

on:
  push:
    branches:
      - 'trunk'

jobs:
  libgcc:
    strategy:
      matrix:
        target_arch: [i386, i686, x86_64, arm, aarch64, loongarch64, loongarch64-softfloat, riscv64, riscv64-softfloat, m68k]

    name: Build and upload libgcc for ${{matrix.target_arch}}
    runs-on: ubuntu-latest
    container: archlinux:latest

    steps:
      - name: Install dependencies
        run: pacman --noconfirm -Syu && pacman --needed --noconfirm -S base-devel git autoconf automake wget

      - name: Checkout code
        uses: actions/checkout@v4

      - name: Git config
        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"

      - name: Extrapolate target triplet
        run: |
          set -ex
          case "${{matrix.target_arch}}" in \
            arm) \
              echo "arm-none-eabi" >target-triplet ;; \
            loongarch64-softfloat) \
              echo "loongarch64-elf" >target-triplet ;; \
            riscv64-softfloat) \
              echo "riscv64-elf" >target-triplet ;; \
            *) \
              echo "${{matrix.target_arch}}-elf" >target-triplet ;; \
          esac

      - name: Build the toolchain
        run: |
          CFLAGS_FOR_TARGET=""; \
          case "${{matrix.target_arch}}" in \
            loongarch64-softfloat) \
              CFLAGS_FOR_TARGET="-mabi=lp64s";; \
            riscv64-softfloat) \
              CFLAGS_FOR_TARGET="-march=rv64imac_zicsr_zifencei -mabi=lp64";; \
          esac; \
          case "${{matrix.target_arch}}" in \
            riscv64*) \
              CFLAGS_FOR_TARGET="$CFLAGS_FOR_TARGET -mno-relax";; \
          esac; \
          CFLAGS_FOR_TARGET="-O2 -pipe -fPIC -Wa,--noexecstack $CFLAGS_FOR_TARGET" TARGET="$(cat target-triplet)" GCCVERSION="$(cat gcc-version)" BINUTILSVERSION="$(cat binutils-version)" ./make_toolchain.sh

      - name: Copy libgcc.a
        run: cp toolchain/lib/gcc/$(cat target-triplet)/$(cat gcc-version)/libgcc.a ./libgcc-${{matrix.target_arch}}.a

      - name: Copy extra libgcc.a's
        run: |
          set -ex
          case "${{matrix.target_arch}}" in \
            x86_64) \
              cp toolchain/lib/gcc/$(cat target-triplet)/$(cat gcc-version)/no-red-zone/libgcc.a ./libgcc-x86_64-no-red-zone.a ;; \
          esac

      - name: Remove target-triplet
        run: rm target-triplet

      - name: Push new binaries
        run: |
          set -ex
          git config user.name 'mintsuki'
          git config user.email 'mintsuki@users.noreply.github.com'
          git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/osdev0/libgcc-binaries.git
          while true; do \
            git pull --all; \
            git add .; \
            git commit -m "Upload binaries (${{matrix.target_arch}}) [ci skip]"; \
            if git push origin trunk; then \
              break; \
            else \
              git reset HEAD~1; \
            fi; \
          done