define: DUK_USE_FLEX_ONESIZE
introduced: 1.0.0
default: false
tags:
  - portability
description: >
  Use a single element array to define variable size structures.  This is the
  most portable alternative: zero-size arrays are not allowed by all compilers
  and flexible array member ("char arr[]") is defined in C99.

# XXX: currently unused, remove or mark unused so doesn't get emitted?