From c9fef4b7d1d0f2dad192c74f06102752247677a9 Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Fri, 10 Sep 2021 13:18:36 +0200 Subject: _Static_assert needs two arguments for compatibility with GCC before 9 This macro definition enforces two arguments even with newer compilers that accept the single-argument form, too. Reviewed-by: Carlos O'Donell --- include/sys/cdefs.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h index 6a76160ed4..56adb231aa 100644 --- a/include/sys/cdefs.h +++ b/include/sys/cdefs.h @@ -1,5 +1,12 @@ #ifndef _SYS_CDEFS_H +/* This is outside of _ISOMAC to enforce that _Static_assert always + uses the two-argument form. This can be removed once the minimum + GCC version used to compile glibc is GCC 9.1. */ +#ifndef __cplusplus +# define _Static_assert(expr, diagnostic) _Static_assert (expr, diagnostic) +#endif + #include #ifndef _ISOMAC -- cgit 1.4.1