method

with_config

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with_config(config, default=nil) public

Tests for the presence of a --with-config or --without-config option. Returns true if the with option is given, false if the without option is given, and the default value otherwise.

This can be useful for adding custom definitions, such as debug information.

Example:

if with_config("debug")
   $defs.push("-DOSSL_DEBUG") unless $defs.include? "-DOSSL_DEBUG"
end

Show source

# File lib/mkmf.rb, line 1577
  def with_config(config, default=nil)
    config = config.sub(/^--with[-_]/, '')
    val = arg_config("--with-"+config) do
      if arg_config("--without-"+config)
        false
      elsif block_given?
        yield(config, default)
      else
        break default
      end
    end
    case val
    when "yes"
      true
    when "no"
      false
    else
      val
    end
  end

with_config

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