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#!ruby -s
require 'mkmf'
require 'rbconfig'
def main
unless have_command('bison')
$stderr.puts 'Ripper requires bison; abort'
exit 1
end
$objs = %w(ripper.o)
$cleanfiles.concat %w(ripper.y ripper.c ripper.output ids1 ids2)
$CPPFLAGS += ' -DRIPPER'
$CPPFLAGS += ' -DRIPPER_DEBUG' if $debug
create_makefile 'ripper'
end
def have_command(cmd)
ENV['PATH'].split(File::PATH_SEPARATOR).any? {|path|
File.executable?("#{path}/#{cmd}#{Config::CONFIG['EXEEXT']}")
}
end
main
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