# Copyright (C) 2021 Sebastian Pipping <sebastian@pipping.org>
# Licensed under the MIT license

name: Ensure that Autotools install identical CMake files

on:
- pull_request
- push

jobs:
  checks:
    name: Ensure that Autotools install identical CMake files
    runs-on: ubuntu-20.04
    steps:
    - uses: actions/checkout@v2.3.4

    - name: Install build dependencies
      run: |-
        sudo apt-get install --yes --no-install-recommends -V \
            cmake \
            docbook2x \
            lzip

    - name: Check for identical CMake files from both build system
      run: |
        set -x
        pushd expat

        ./buildconf.sh
        ./configure
        make dist
        tar xf expat-*.*.*.tar.gz
        pushd expat-*.*.*/

        mkdir build_autotools
        pushd build_autotools
          ../configure --libdir='${exec_prefix}/lib123'
          make install DESTDIR="${PWD}"/ROOT
        popd

        mkdir build_cmake
        pushd build_cmake
          cmake -DCMAKE_INSTALL_LIBDIR=lib123 ..
          make install DESTDIR="${PWD}"/ROOT
        popd

        diff \
            --recursive \
            --unified \
            --exclude=xmlwf \
            --exclude=libexpat.a \
            --exclude=libexpat.la \
            --exclude='*.so*' \
            --exclude=expat_config.h \
            build_{autotools,cmake}/ROOT