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29 lines
880 B
29 lines
880 B
9 months ago
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commit 8d141877e07cc594e9fefc3795b8ba729288093c
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Fri Jun 14 15:46:02 2019 +0200
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<sys/cdefs.h>: Inhibit macro expansion for __glibc_has_include
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This is currently ineffective with GCC because of GCC PR 80005, but
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it makes sense to anticipate a fix for this defect.
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Suggested by Zack Weinberg.
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Reviewed-by: Carlos O'Donell <carlos@redhat.com>
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diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
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index 0500779d0c1b64c2..9e840e602f815d86 100644
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--- a/misc/sys/cdefs.h
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+++ b/misc/sys/cdefs.h
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@@ -413,7 +413,9 @@
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#endif
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#ifdef __has_include
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-# define __glibc_has_include(header) __has_include (header)
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+/* Do not use a function-like macro, so that __has_include can inhibit
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+ macro expansion. */
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+# define __glibc_has_include __has_include
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#else
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# define __glibc_has_include(header) 0
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#endif
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