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# unitypes_h.m4
# serial 1
dnl Copyright (C) 2021-2025 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file is offered as-is, without any warranty.
AC_DEFUN_ONCE([gl_UNITYPES_H],
[
AH_VERBATIM([unitypes_restrict], [
/* This definition is a duplicate of the one in unitypes.h.
It is here so that we can cope with an older version of unitypes.h
that does not contain this definition and that is pre-installed among
the public header files. */
# if defined __restrict \
|| 2 < __GNUC__ + (95 <= __GNUC_MINOR__) \
|| __clang_major__ >= 3
# define _UC_RESTRICT __restrict
# elif 199901L <= __STDC_VERSION__ || defined restrict
# define _UC_RESTRICT restrict
# else
# define _UC_RESTRICT
# endif
])
])
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