language: c
compiler: gcc
dist: bionic
os: linux

before_install:
  - export KERNEL_URL_DETAILS=$(wget --quiet -O - ${KERNEL_URL}v${KVER}/ | grep -A8 'Build for amd64')
  - export ALL_DEB=$(echo "$KERNEL_URL_DETAILS" |  grep -m1 'all.deb' | cut -d '"' -f 2)
  - export KVER_BUILD=$(echo $ALL_DEB | cut -d '_' -f 1 | cut -c15-)
  - wget ${KERNEL_URL}v${KVER}/$(echo "$KERNEL_URL_DETAILS" | grep -m1 'amd64.deb' | cut -d '"' -f 2)
  - wget ${KERNEL_URL}v${KVER}/$ALL_DEB
  - sudo dpkg -i *.deb

script:
  - make CC=$COMPILER KVER=$KVER_BUILD-generic
env:
  global:
    - KERNEL_URL=https://kernel.ubuntu.com/~kernel-ppa/mainline/

jobs:
  include:
    - compiler: gcc
      addons:
        apt:
          sources:
            - sourceline: "ppa:ubuntu-toolchain-r/test"
          packages:
            - gcc-9
      env: COMPILER=gcc-9 KVER="$(curl -s https://www.kernel.org/ | grep -A1 'mainline:' | grep -oP '(?<=strong>).*(?=</strong.*)')"
    - compiler: gcc
      addons:
        apt:
          packages:
            - gcc-8
      env: COMPILER=gcc-8 KVER="$(curl -s https://www.kernel.org/ | grep -A1 'mainline:' | grep -oP '(?<=strong>).*(?=</strong.*)')"
 #Kernels >= 5.4 No longer builds on gcc-7.4 should be fixed by gcc-7.5
    - compiler: gcc
      addons:
        apt:
          packages:
            - gcc-8
      env: COMPILER=gcc-8 KVER=5.6.5
    - compiler: gcc
      addons:
        apt:
          packages:
            - gcc-8
      env: COMPILER=gcc-8 KVER=5.5.18
    - compiler: gcc
      addons:
        apt:
          packages:
            - gcc-8
 #Kernels 5.4 with minor versions > 24 are failing on amd64. Not upgrade the minot version without check https://kernel.ubuntu.com/~kernel-ppa/mainline/ 
      env: COMPILER=gcc-8 KVER=5.4.27
    - compiler: gcc
      env: COMPILER=gcc-7 KVER=4.19.116
    - compiler: gcc
      env: COMPILER=gcc-7 KVER=4.14.176
    - compiler: gcc
      env: COMPILER=gcc-7 KVER=4.9.219
    - compiler: gcc
      env: COMPILER=gcc-7 KVER=4.4.219
    - compiler: gcc
      env: COMPILER=gcc-7 KVER=3.16.82