-- lib/verify.h.orig
++ lib/verify.h
# define _GL_VERIFY_H
// undefine the _Static_assert definition present in <sys/cdefs.h>
#ifdef __FreeBSD__
#undef _Static_assert
#endif
/* Define _GL_HAVE__STATIC_ASSERT to 1 if _Static_assert works as per C11.
This is supported by GCC 4.6.0 and later, in C mode, and its use
here generates easier-to-read diagnostics when verify (R) fails.