# If Github does not properly accept this YAML file, try
# https://rhysd.github.io/actionlint/ from
# https://github.com/rhysd/actionlint.

name: 'CI build'

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

env:
  LC_ALL: C
  COMMON_CONFIGURE_FLAGS: >-
    --disable-silent-rules
    --enable-vusb
    --with-camlibs=everything
    SLEEP=no

jobs:
  build:

    runs-on: ${{ matrix.os }}

    name: '${{ matrix.os }}'

    strategy:
      matrix:
        os: [ubuntu-latest]

    steps:
      - uses: actions/checkout@v3

      - name: 'Determine number of cores to build on'
        run: echo NPROC=$(nproc) >> $GITHUB_ENV

      # Setting MAKE interferes with Makefile{,.in,.am} using $(MAKE) internally
      - name: 'Prepare concurrent make'
        run: if test "x$NPROC" = x; then echo ci_MAKE="make" >> $GITHUB_ENV; echo "NPROC must be set"; exit 1; else echo ci_MAKE="make -j${NPROC} -l${NPROC}" >> $GITHUB_ENV; fi

      - name: 'Update software database'
        run: sudo apt-get update

      - name: 'Work around apt-get 3rd party repo libgd-dev dependency'
        run: sudo apt-get remove nginx libgd3

      - name: 'Install build requirements'
        run: sudo apt-get install -y autopoint gettext libusb-1.0-0-dev libcurl4-openssl-dev libgd-dev

      - name: 'OS specific build flags'
        run: echo OS_SPECIFIC_CPPFLAGS="" >> $GITHUB_ENV

      - name: 'autoreconf'
        run: autoreconf -i -f

      - name: 'configure'
        run: ./configure ${COMMON_CONFIGURE_FLAGS} --prefix=$PWD/__prefix

      - name: 'make'
        run: set -x; ${ci_MAKE} CPPFLAGS="${OS_SPECIFIC_CPPFLAGS}"

      - name: 'make check'
        run: set -x; ${ci_MAKE} CPPFLAGS="${OS_SPECIFIC_CPPFLAGS}" check

      - name: 'make distcheck'
        run: set -x; ${ci_MAKE} CPPFLAGS="${OS_SPECIFIC_CPPFLAGS}" DISTCHECK_CONFIGURE_FLAGS="${COMMON_CONFIGURE_FLAGS}" distcheck

      - name: 'make install'
        run: set -x; ${ci_MAKE} CPPFLAGS="${OS_SPECIFIC_CPPFLAGS}" install

      - name: 'make installcheck'
        run: set -x; ${ci_MAKE} CPPFLAGS="${OS_SPECIFIC_CPPFLAGS}" installcheck

      - name: 'Build and run example libgphoto2 frontend (ambs-lgp2-frontend)'
        run: |
          set -x
          exec 2>&1
          abs_top_builddir="$PWD"
          export PKG_CONFIG_PATH="${abs_top_builddir}/__prefix/lib/pkgconfig"
          export LD_LIBRARY_PATH="${abs_top_builddir}/__prefix/lib"
          cd examples/ambs-lgp2-frontend
          autoreconf -vis
          ./configure --prefix="$PWD/__pref"
          make
          ldd ambs-lgp2-frontend
          ./ambs-lgp2-frontend
          make install
          ldd __pref/bin/ambs-lgp2-frontend
          __pref/bin/ambs-lgp2-frontend