MakeMakefile#find_type

find_type(type, opt, *headers, &b)

# File tmp/rubies/ruby-3.3.0/lib/mkmf.rb, line 1296
def find_type(type, opt, *headers, &b)
  opt ||= ""
  fmt = "not found"
  def fmt.%(x)
    x ? x.respond_to?(:join) ? x.join(",") : x : self
  end
  checking_for checking_message(type, nil, opt), fmt do
    headers.find do |h|
      try_type(type, h, opt, &b)
    end
  end
end

Returns where the static type type is defined.

You may also pass additional flags to opt which are then passed along to the compiler.