distributable:
  url: https://ftp.gnu.org/gnu/autoconf/autoconf-{{ version.raw }}.tar.gz
  strip-components: 1

versions:
  url: https://ftp.gnu.org/gnu/autoconf/
  match: /autoconf-(\d+\.\d+(\.\d+)?)\.tar\.gz/
  strip:
    - /autoconf-/
    - /.tar.gz/

provides:
  - bin/autoconf
  - bin/autoheader
  - bin/autom4te
  - bin/autoreconf
  - bin/autoscan
  - bin/autoupdate
  - bin/ifnames

dependencies:
  gnu.org/m4: 1
  perl.org: '*'

build:
  - ./configure
    --build={{ hw.target }}
    --prefix="{{ prefix }}"
  - make --jobs {{ hw.concurrency }} install

  - cd "{{prefix}}"

  - fix-shebangs.ts bin/*

  - perl -pi -e 's|'\''{{prefix}}|"\$PREFIX"'\''|g' bin/autoconf

  # fix specific m4 and perl paths
  - perl -pi -e 's|{{ deps.perl.org.prefix }}/bin/perl|perl|g' bin/*
  - perl -pi -e 's|{{ deps.gnu.org/m4.prefix }}/bin/m4|m4|g' bin/*

  # fix hardcoded paths
  # this was a patch, but patches are fragile. this is more robust. for now.
  - PREFIX="$(echo '{{prefix}}' | sed 's/\+/\\+/g')"
  - perl -pi -e "s|'$PREFIX/|\\\$prefix.'/|g" bin/*
  - run: patch -p1 < $SRCROOT/props/relocatable.diff
    if: <2.72.0
  - run: |
      perl -p0i -e 's/\nBEGIN\n\{/use Cwd qw(abs_path);\nuse File::Basename;\n\nmy \$prefix;\nBEGIN\n{\n  \$prefix = dirname(dirname(abs_path(__FILE__)));\n  \$ENV{'\''PREFIX'\''} = \$prefix;\n/s' bin/*
      perl -p0i -e 's|\n  \# Normalize the|\n  \# added by pkgx\n  \@prepend_include = map { \$_ =~ s/\\\$PREFIX/\$prefix/r } \@prepend_include;\n\n  \# Normalize the|g' bin/autom4te
    if: '>=2.72.0'

  - perl -pi -e "s|$PREFIX|\\\$PREFIX|" share/autoconf/autom4te.cfg

test:
  dependencies:
    llvm.org: '*' # requires a C compiler to configure
  env:
    CC: clang
  script:
    - autoconf --verbose --debug
    - ./configure
    - test -f config.status
    - test -f config.log