method

enable_config

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enable_config(config, default=nil) public

Tests for the presence of an --enable-config or --disable-config option. Returns true if the enable option is given, false if the disable option is given, and the default value otherwise.

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

Example:

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

Show source

# File lib/mkmf.rb, line 1648
  def enable_config(config, default=nil)
    if arg_config("--enable-"+config)
      true
    elsif arg_config("--disable-"+config)
      false
    elsif block_given?
      yield(config, default)
    else
      return default
    end
  end

enable_config

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