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instance method

MakeMakefile#try_type

try_type(type, headers = nil, opt = "", &b)

# File tmp/rubies/ruby-3.2.0/lib/mkmf.rb, line 1262
  def try_type(type, headers = nil, opt = "", &b)
    if try_compile(<<"SRC", opt, &b)
#{cpp_include(headers)}
/*top*/
typedef #{type} conftest_type;
int conftestval[sizeof(conftest_type)?1:-1];
SRC
      $defs.push(format("-DHAVE_TYPE_%s", type.tr_cpp))
      true
    else
      false
    end
  end

Returns whether or not the static type type is defined.