add cmak build job + cleanup

    # see https://docs.gitlab.com/ee/ci/yaml/workflow.html#switch-between-branch-pipelines-and-merge-request-pipelines

    - if: $CI_COMMIT_BRANCH && $CI_OPEN_MERGE_REQUESTS && $CI_PIPELINE_SOURCE == "push"

      when: never

    # do not spawn pipelines for Draft MRs, see https://docs.gitlab.com/ee/ci/yaml/workflow.html#skip-pipelines-for-draft-merge-requests

    # - if: $CI_PIPELINE_SOURCE == "merge_request_event" && $CI_MERGE_REQUEST_TITLE =~ /^(\[Draft\]|\(Draft\)|Draft:)/

    #   when: never

    - if: $CI_PIPELINE_SOURCE == 'merge_request_event'

      variables:

        IVAS_PIPELINE_NAME: 'MR pipeline: $CI_MERGE_REQUEST_SOURCE_BRANCH_NAME'

.activate-Werror-linux: &activate-Werror-linux

  - sed -i.bak "s/^# \(CFLAGS += -Werror\)/\1/" Makefile

  - sed -i.bak "s/# \(set(CMAKE_C_FLAGS \"\${CMAKE_C_FLAGS} -Werror\")\)/\1/" CMakeLists.txt

.activate-WX-windows: &activate-WX-windows

  - (Get-Content -Path "CMakeLists.txt") -replace '# \(add_compile_options\("\/WX"\)\)', '$1' | Set-Content -Path "CMakeLists.txt"

    - *activate-Werror-linux

    - make -j

build-codec-linux-cmake:

  rules:

    - if: $CI_PIPELINE_SOURCE == 'web'

    - if: $CI_PIPELINE_SOURCE == 'push' && $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH

    - if: $CI_PIPELINE_SOURCE == 'merge_request_event' # trigger build job for all MRs

    - if: $CI_PIPELINE_SOURCE == 'schedule'

    - if: $CI_PIPELINE_SOURCE == 'push'

      when: never

  extends:

    - .build-job-linux

  tags:

    - ivas-basop-linux

  script:

    - *print-common-info

    - *activate-Werror-linux

    - cmake -B cmake-build -G "Unix Makefiles"

    - cmake --build cmake-build -- -j

# ensure that codec builds on linux with instrumentation active

build-codec-linux-instrumented-make:

  rules: