Recipe for building ghc-8.4.3 bindist for Alpine Linux on CircleCI

build.mk

SRC_HC_OPTS               = -O -H64m
GhcStage1HcOpts           = -O
GhcStage2HcOpts           = -O2
GhcLibHcOpts              = -O2
BUILD_PROF_LIBS           = YES
SplitObjs                 = NO
SplitSections             = YES
BUILD_SPHINX_HTML         = YES
BUILD_SPHINX_PDF          = NO
HADDOCK_DOCS              = YES
EXTRA_HADDOCK_OPTS        += --quickjump --hyperlinked-source

config.yml

version: 2

jobs:
  build:
    docker:
      - image: alpine:edge
    environment:
      GHC_REV: ghc-8.4.3-release
      JOBS: 4
      XZ_OPT: -9
    steps:
      - checkout
      - run:
          name: Compile GHC
          no_output_timeout: 1h
          command: |
            echo "http://dl-cdn.alpinelinux.org/alpine/edge/testing" >> /etc/apk/repositories
            apk upgrade --no-cache --no-progress
            apk add --no-cache --no-progress \
                autoconf \
                automake \
                binutils-gold \
                bzip2 \
                ca-certificates \
                coreutils \
                curl \
                file \
                findutils \
                g++ \
                gawk \
                gcc \
                ghc \
                git \
                gmp-dev \
                gzip \
                libffi-dev \
                libtool \
                make \
                musl-dev \
                ncurses-dev \
                numactl-dev \
                openssh \
                patch \
                perl \
                py3-sphinx \
                sed \
                tar \
                xz \
                zlib-dev

            mkdir -p ~/.local/bin
            export PATH=~/.local/bin:$PATH
            curl -L https://github.com/commercialhaskell/stack/releases/download/v1.6.5/stack-1.6.5-linux-x86_64-static.tar.gz | tar xz --wildcards --strip-components=1 -C ~/.local/bin '*/stack'
            stack --no-terminal --resolver lts-9 --system-ghc install \
                alex \
                happy \
                hscolour

            export PROJECT_DIR=$(pwd)
            cd /tmp
            git clone git://git.haskell.org/ghc.git
            cd ghc
            git checkout $GHC_REV
            git submodule update --init --recursive
            mv $PROJECT_DIR/build.mk mk/
            ./boot
            SPHINXBUILD=/usr/bin/sphinx-build-3 ./configure --disable-ld-override
            make -j$JOBS
            make binary-dist
            mkdir /tmp/ghc-bindist
            mv *.tar.xz /tmp/ghc-bindist/

      - store_artifacts:
          path: /tmp/ghc-bindist