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30 lines
1011 B
30 lines
1011 B
2 years ago
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commit a1c12fdf3f9b8665719835ce8330b3b2e2574b37
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Fri Sep 10 13:18:36 2021 +0200
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_Static_assert needs two arguments for compatibility with GCC before 9
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This macro definition enforces two arguments even with newer compilers
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that accept the single-argument form, too.
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Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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(cherry picked from commit c9fef4b7d1d0f2dad192c74f06102752247677a9)
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diff --git a/include/sys/cdefs.h b/include/sys/cdefs.h
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index 6a76160ed4e4cabb..56adb231aa8f8cbe 100644
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--- a/include/sys/cdefs.h
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+++ b/include/sys/cdefs.h
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@@ -1,5 +1,12 @@
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#ifndef _SYS_CDEFS_H
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+/* This is outside of _ISOMAC to enforce that _Static_assert always
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+ uses the two-argument form. This can be removed once the minimum
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+ GCC version used to compile glibc is GCC 9.1. */
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+#ifndef __cplusplus
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+# define _Static_assert(expr, diagnostic) _Static_assert (expr, diagnostic)
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+#endif
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+
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#include <misc/sys/cdefs.h>
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#ifndef _ISOMAC
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