| From 7c199e3b191a6f714694035f1eba40112e71675c Mon Sep 17 00:00:00 2001 |
| From: Khem Raj <raj.khem@gmail.com> |
| Date: Thu, 1 Feb 2024 18:41:51 -0800 |
| Subject: [PATCH] Check for C standard version >= 23 for [[__fallthrough__]] |
| |
| This avoids warnings with clang-18+ e.g. |
| |
| pprintint.h:256:6: error: [[]] attributes are a C23 extension [-Werror,-Wc23-extensions] |
| |
| Upstream-Status: Submitted [https://github.com/dvidelabs/flatcc/pull/273] |
| Signed-off-by: Khem Raj <raj.khem@gmail.com> |
| --- |
| include/flatcc/portable/pattributes.h | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/include/flatcc/portable/pattributes.h b/include/flatcc/portable/pattributes.h |
| index 9240fa3..dd4918a 100644 |
| --- a/include/flatcc/portable/pattributes.h |
| +++ b/include/flatcc/portable/pattributes.h |
| @@ -57,7 +57,7 @@ extern "C" { |
| |
| |
| /* https://en.cppreference.com/w/c/language/attributes/fallthrough */ |
| -#if PORTABLE_HAS_C_ATTRIBUTE(__fallthrough__) |
| +#if PORTABLE_HAS_C_ATTRIBUTE(__fallthrough__) && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L |
| # define pattribute_fallthrough [[__fallthrough__]] |
| #elif PORTABLE_HAS_ATTRIBUTE(__fallthrough__) |
| # define pattribute_fallthrough __attribute__((__fallthrough__)) |
| -- |
| 2.43.0 |
| |