From 1bdbf55cbf054bd2a4d0cd57b0a162522ce33a60 Mon Sep 17 00:00:00 2001 From: Jakob Kaivo Date: Thu, 13 Aug 2020 10:21:41 -0400 Subject: cause an error if _POSIX_C_SOURCE >= 200112L or _XOPEN_SOURCE >= 600 is defined without a C99 or better compiler --- fnmatch.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'fnmatch.h') diff --git a/fnmatch.h b/fnmatch.h index 1b25d69..2b00d38 100644 --- a/fnmatch.h +++ b/fnmatch.h @@ -48,6 +48,14 @@ SOFTWARE. # define _POSIX_SOURCE #endif +#if !defined __STDC_VERSION__ || __STDC_VERSION__ < 19901L +# if (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 200112L) +# error POSIX.1-2001 and later require a C99 compiler +# elif (defined _XOPEN_SOURCE && _XOPEN_SOURCE >= 600) +# error XOPEN Issue 6 and later require a C99 compiler +# endif +#endif + #if (defined _POSIX_C_SOURCE && 2 <= _POSIX_C_SOURCE) /* ./src/fnmatch/FNM_NOESCAPE.c */ #define FNM_NOESCAPE (1<<2) -- cgit v1.2.1