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__attribute__((fallthrough)) only when -Wimplicit-fallthrough (#7448)

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That is version 7 or greater
https://developers.redhat.com/blog/2017/03/10/wimplicit-fallthrough-in-gcc-7/

Fix regression of https://github.com/systemd/systemd/pull/7389
82a27ba8217d09e4fef4c9550f8b733d174c5705
on older gccs

bumping to re-run CI
upstream             FAIL timed out
boot-smoke           FAIL non-zero exit status 1
This commit is contained in:
Shawn Landden 2017-11-24 01:08:12 -08:00 committed by Zbigniew Jędrzejewski-Szmek
parent 9b3f8e5968
commit fb8e74a499
1 changed files with 4 additions and 0 deletions
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4
src/basic/macro.h
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@ -48,7 +48,11 @@
#define _weakref_(x) __attribute__((weakref(#x)))
#define _alignas_(x) __attribute__((aligned(__alignof(x))))
#define _cleanup_(x) __attribute__((cleanup(x)))
#if __GNUC__ >= 7
#define _fallthrough_ __attribute__((fallthrough))
#else
#define _fallthrough_
#endif
/* Temporarily disable some warnings */
#define DISABLE_WARNING_DECLARATION_AFTER_STATEMENT \