distributable:
  url: https://git.musl-libc.org/cgit/musl/snapshot/musl-{{ version }}.tar.gz
  strip-components: 1

versions:
  url: https://git.musl-libc.org/cgit/musl/refs/tags
  match: /musl-\d+\.\d+\.\d+\.tar\.gz/
  strip:
    - /musl-/
    - /.tar.gz/

relocatable: true

platforms: linux

provides:
  - bin/ld.musl-clang
  - bin/musl-clang

dependencies:
  llvm.org: '*' # needs clang

build:
  script:
    - ./configure --prefix={{ prefix }} --syslibdir={{ prefix }}/lib

    - make --jobs {{ hw.concurrency }}
    - make install

    - run: ln -sf libc.so ld-musl-{{hw.arch}}.so.1
      working-directory: '{{prefix}}/lib'

    # fix script paths; might be a better way
    #FIXME probably: dynamic linker causes segfaults
    - run: sed -i
        -e 's/-dynamic-linker "\$ldso"//'
        -e 's/^sflags=$/sflags="-static"/'
        -e 's/^libc=".*/libc="$(dirname $(dirname $(command -v ld.musl-clang)))"/'
        -e 's#^libc_inc=".*#libc_inc="$libc/include"#'
        -e 's#^libc_lib=".*#libc_lib="$libc/lib"#'
        -e 's/print-prog-name=ld/print-prog-name=ld.lld/'
        musl-clang ld.musl-clang
      working-directory: '{{prefix}}/bin'
  env:
    CC: clang

test:
  fixture: |
    #include <stdio.h>
    int main() {
      printf("Hello World!");
      return 0;
    }
  script: |
    mv $FIXTURE $FIXTURE.c
    musl-clang $FIXTURE.c
    test "$(./a.out)" = "Hello World!"