define: DUK_OPT_DECLARE
introduced: 1.0.0
tags:
  - portability
description: >
  Provide declarations or additional preprocessor include directives to be
  used when compiling Duktape.  You may need this if you set
  DUK_OPT_PANIC_HANDLER to call your own panic handler function.  You can
  also use this option to cause additional files to be included when compiling
  Duktape.