.gitlab-ci.yml

---
# Copyright (c) 2020 Jakob Meng, <jakobmeng@web.de>
# vim:set fileformat=unix tabstop=2 shiftwidth=2 expandtab:
# kate: end-of-line unix; space-indent on; indent-width 2; remove-trailing-spaces modified;

variables:
  # The cache and install prefix paths must be relative to and reside inside the project directory ($CI_PROJECT_DIR),
  # because cache:paths and artifacts:paths do not support absolute paths or linking outside the project directory.
  # Ref.: https://docs.gitlab.com/ce/ci/yaml/README.html
  BUILD_DIR: '$CI_PROJECT_DIR/build/${CC}-${CXX}-${BUILD_TYPE}'
  CCACHE_DIR: '$CI_PROJECT_DIR/.cache/ccache/${CC}-${CXX}-${BUILD_TYPE}'
  INSTALL_PREFIX: '$CI_PROJECT_DIR/.local/${CC}-${CXX}-${BUILD_TYPE}'
  # PATH variable cannot be set here
  # Ref.: https://gitlab.com/gitlab-org/gitlab-runner/-/issues/27226

default:
  cache:
    paths:
      - .cache

.build-linux: &build-linux
  artifacts:
    paths:
      - .local
      - build
  before_script:
    - export PATH=/usr/lib/ccache:$PATH
    - whoami
    - nproc
    - echo `which $CC`
    - echo `which $CXX`
    - cmake --version
    - ctest --version
    - ccache -s
  script:
    - export PATH=/usr/lib/ccache:$PATH
    - ccache -s
    - cd "$CI_PROJECT_DIR"
    - if [ ! -e "$BUILD_DIR" ]; then mkdir -p "$BUILD_DIR"; fi
    - cd "$BUILD_DIR"
    - >
      cmake \
        "-DCMAKE_BUILD_TYPE=${BUILD_TYPE}" \
        "-DCMAKE_INSTALL_PREFIX=${INSTALL_PREFIX}" \
        "$CI_PROJECT_DIR" || { cat CMakeFiles/CMakeError.log; exit 255; };
    - make "-j$(nproc)"
    - ccache -s
    - make install

.matrix-gcc7-clang7: &matrix-gcc7-clang7
  parallel:
    matrix:
      - CC: gcc-7
        CXX: g++-7
        BUILD_TYPE: Debug
      - CC: gcc-7
        CXX: g++-7
        BUILD_TYPE: MinSizeRel
      - CC: gcc-7
        CXX: g++-7
        BUILD_TYPE: RelWithDebInfo
      - CC: gcc-7
        CXX: g++-7
        BUILD_TYPE: Release
      - CC: clang-7
        CXX: clang++-7
        BUILD_TYPE: Debug
      - CC: clang-7
        CXX: clang++-7
        BUILD_TYPE: Release

build-linux-debian-buster:
  extends: .build-linux
  stage: build
  image: jm1337/debian-dev-hbrs:buster
  cache:
    key: "linux-debian-buster"
  <<: *matrix-gcc7-clang7

.matrix-gcc10-clang10: &matrix-gcc10-clang10
  parallel:
    matrix:
      - CC: gcc-10
        CXX: g++-10
        BUILD_TYPE: Debug
      - CC: gcc-10
        CXX: g++-10
        BUILD_TYPE: MinSizeRel
      - CC: gcc-10
        CXX: g++-10
        BUILD_TYPE: RelWithDebInfo
      - CC: gcc-10
        CXX: g++-10
        BUILD_TYPE: Release
      - CC: clang-10
        CXX: clang++-10
        BUILD_TYPE: Debug
      - CC: clang-10
        CXX: clang++-10
        BUILD_TYPE: Release

build-linux-debian-bullseye:
  extends: .build-linux
  stage: build
  image: jm1337/debian-dev-hbrs:bullseye
  cache:
    key: "linux-debian-bullseye"
  <<: *matrix-gcc10-clang10