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def read_config_file file_name
result = Hash[ *IO.readlines(file_name).collect { |line| line.chomp.gsub(/#.*/, "") }.select { |line| !line.empty? }.collect do |line|
parts = line.split(/\s*=\s*/, 2).collect { |part| part.gsub(/^\s+/, '').gsub(/\s+$/, '') }
key = parts[0].gsub(%r{^export\s+}, '').to_sym
value = (parts[1] || '').gsub(%r{^"|"$}, '').gsub(%r{\\"}, '"')
[ key, value ]
end.flatten ]
result.default = ''
result
end
def read_build_config
dir = File.dirname(__FILE__) + '/..'
fail "build-config not found: please run ./configure" unless FileTest.exist?("#{dir}/build-config")
config = read_config_file("#{dir}/build-config")
config = config.merge(read_config_file("#{dir}/build-config.local")) if FileTest.exist?("#{dir}/build-config.local")
config
end
def c(idx, default = '')
idx_s = idx.to_s
var = (ENV[idx_s].nil? ? $config[idx.to_sym] : ENV[idx_s]).to_s
var = var.gsub(/\$[\({](.*?)[\)}]/) { c($1) }.gsub(/^\s+/, '').gsub(/\s+$/, '')
var.empty? ? default : var
end
def c?(idx)
c(idx).to_bool
end
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