kumquat-buildroot/package/rtl_433/0002-src-optparse.c-fix-build-without-__has_attribute.patch

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From 1b74826f155406f86846d5c97b3534aab87cf6da Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Sun, 26 Dec 2021 15:21:39 +0100
Subject: [PATCH] src/optparse.c: fix build without __has_attribute
Fix build failure without __has_attribute (e.g. gcc 4.8) which is raised
since
https://github.com/merbanan/rtl_433/commit/6c8af75c757712bd58b169317795484a72e9a16c
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[Upstream status: https://github.com/merbanan/rtl_433/pull/1918]
---
src/optparse.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/optparse.c b/src/optparse.c
index aa3d0b53..b5e2d37e 100644
--- a/src/optparse.c
+++ b/src/optparse.c
@@ -232,9 +232,11 @@ int atoi_time(char const *str, char const *error_hint)
}
// intentional fallthrough
#if defined(__GNUC__) || defined(__clang__)
+#if defined __has_attribute
#if __has_attribute(fallthrough)
__attribute__((fallthrough));
#endif
+#endif
#endif
case ':':
++colons;
--
2.33.0