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use alienfile;

# If the probe fails to find already installed boost headers, 
# the "share" block contains instructions for downloading and
# installing them.

plugin 'Probe::CBuilder' => (
  program => q{
#include <stdio.h>
#include <boost/version.hpp>
int main(int argc, char *argv[])
{
  printf("version = '%s'\n", BOOST_LIB_VERSION);
  return 0;
}
},
);

share {

  start_url 'https://www.boost.org/users/download/';
  plugin 'Download' => (
    filter => qr/^boost_[0-9_]*\.tar\.gz$/,
    version => qr/([0-9_]+)/,
  );


  plugin 'Extract';

  build [
    './bootstrap.sh --prefix=%{.install.prefix}',
    './b2 headers',
    'mkdir -p %{.install.prefix}/include',
    '%{cp} -r boost %{.install.prefix}/include'
  ];

  gather sub {
    my($build) = @_;
    my $prefix = $build->runtime_prop->{prefix};
    $build->runtime_prop->{cflags}        = "-I$prefix/include";
    $build->runtime_prop->{cflags_static} = "-I$prefix/include";
  };
  
};