distributable:
  url: https://cdn.kernel.org/pub/linux/kernel/v{{version.major}}.x/linux-{{version}}.tar.xz
  strip-components: 1

versions:
  # FIXME: source for _all_ mainline versions
  url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/"
  match: /linux-\d+\.\d+\.\d+\.tar\.xz/
  strip:
    - /linux-/
    - /\.tar\.xz/

platforms: linux

build:
  dependencies:
    tea.xyz/gx/cc: c99
    tea.xyz/gx/make: '*'
    gnu.org/sed: '*'
  script: |
    make headers
    mkdir -p "{{prefix}}"
    cp -a usr/include "{{prefix}}/"

test:
  script:
    grep "LINUX_VERSION_CODE $V" "{{prefix}}/include/linux/version.h"
  env:
    #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + ((c) > 255 ? 255 : (c)))
    V: $(({{version.major}} * 65536 + {{version.minor}} * 256 + {{version.patch}}))