pantry/projects/musl.libc.org/package.yml

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

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

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

    ln -sf libc.so {{prefix}}/lib/ld-musl-{{hw.arch}}.so.1

    # fix script paths; might be a better way
    #FIXME probably: dynamic linker causes segfaults
    sed -i.bak \
      -e 's/-dynamic-linker "\$ldso"//' \
      -e 's/^sflags=$/sflags="-static"/' \
      -e 's/^libc=".*/libc="$(dirname $(dirname $(which ld.musl-clang)))"/' \
      -e 's#^libc_inc=".*#libc_inc="$libc/include"#' \
      -e 's#^libc_lib=".*#libc_lib="$libc/lib"#' \
      {{prefix}}/bin/musl-clang \
      {{prefix}}/bin/ld.musl-clang
  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!"