func NewCallbackCDecl(fn any) uintptr {
	return compileCallback(fn, false)
}

// windows api calls

//sys	GetLastError() (lasterr error)
//sys	LoadLibrary(libname string) (handle Handle, err error) = LoadLibraryW
//sys	FreeLibrary(handle Handle) (err error)
//sys	GetProcAddress(module Handle, procname string) (proc uintptr, err error)
//sys	GetVersion() (ver uint32, err error)

        expect:
        binary.toString() == "prebuilt static library 'lib:name'"
        binary.displayName == "prebuilt static library 'lib:name'"
        binary.linkFiles.toString() == "link files for prebuilt static library 'lib:name'"
        binary.runtimeFiles.toString() == "runtime files for prebuilt static library 'lib:name'"
    }

    def "can set static library file"() {
        given:

        expect:
        binary.toString() == "prebuilt shared library 'lib:name'"
        binary.displayName == "prebuilt shared library 'lib:name'"
        binary.linkFiles.toString() == "link files for prebuilt shared library 'lib:name'"
        binary.runtimeFiles.toString() == "runtime files for prebuilt shared library 'lib:name'"
    }

    def "uses library file when link file not set"() {
        given:

This project is covered by two different licenses: MIT and Apache.

#### MIT License ####

The following files were ported to Go from C files of libyaml, and thus
are still covered by their original MIT license, with the additional
copyright staring in 2011 when the project was ported over:

    apic.go emitterc.go parserc.go readerc.go scannerc.go
    writerc.go yamlh.go yamlprivateh.go

Copyright (c) 2006-2010 Kirill Simonov

This project is covered by two different licenses: MIT and Apache.

#### MIT License ####

The following files were ported to Go from C files of libyaml, and thus
are still covered by their original MIT license, with the additional
copyright staring in 2011 when the project was ported over:

    apic.go emitterc.go parserc.go readerc.go scannerc.go
    writerc.go yamlh.go yamlprivateh.go

Copyright (c) 2006-2010 Kirill Simonov

= vendor/gopkg.in/yaml.v3 licensed under: =


This project is covered by two different licenses: MIT and Apache.

#### MIT License ####

The following files were ported to Go from C files of libyaml, and thus
are still covered by their original MIT license, with the additional
copyright staring in 2011 when the project was ported over:

    apic.go emitterc.go parserc.go readerc.go scannerc.go
    writerc.go yamlh.go yamlprivateh.go

		cc = append(cc, "-framework", "CoreFoundation")
	}
	libbase := GOOS + "_" + GOARCH
	if runtime.Compiler == "gccgo" {
		libbase = "gccgo_" + libgodir + "_fPIC"
	} else {
		switch GOOS {
		case "darwin", "ios":
			if GOARCH == "arm64" {
				libbase += "_shared"
			}
		case "dragonfly", "freebsd", "linux", "netbsd", "openbsd", "solaris", "illumos":
			libbase += "_shared"
		}
	}

		}
	}

	// fractional part
	if seenDot {
		tok = Float
		if prefix == 'o' || prefix == 'b' {
			s.error("invalid radix point in " + litname(prefix))
		}
		ch, ds = s.digits(ch, base, &invalid)
		digsep |= ds
	}

	if digsep&1 == 0 {
		s.error(litname(prefix) + " has no digits")
	}

	// exponent
	if e := lower(ch); (e == 'e' || e == 'p') && s.Mode&ScanFloats != 0 {
		switch {

	// fractional part
	if s.ch == '.' {
		tok = token.FLOAT
		if prefix == 'o' || prefix == 'b' {
			s.error(s.offset, "invalid radix point in "+litname(prefix))
		}
		s.next()
		digsep |= s.digits(base, &invalid)
	}

	if digsep&1 == 0 {
		s.error(s.offset, litname(prefix)+" has no digits")
	}

	// exponent
	if e := lower(s.ch); e == 'e' || e == 'p' {
		switch {

    # .so file in the directory
    lib_dir = os.path.dirname(source.__file__)
    for lib_name in os.listdir(lib_dir):
      if lib_name.endswith('.so'):
        lib_path = os.path.join(lib_dir, lib_name)
        logging.info('load file: ' + lib_path)
        load_library.load_op_library(lib_path)

  py_funcs = [
      func