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chore: check for target_clones attribute availability

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This commit is contained in:
Marcus Holland-Moritz 2024-01-23 15:03:29 +01:00
parent 5570ac5798
commit f6b6603530
1 changed files with 6 additions and 1 deletions
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7
include/dwarfs/compiler.h
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@ -21,6 +21,10 @@
#pragma once #pragma once
#ifndef __has_attribute
#define __has_attribute(x) 0
#endif
#if defined(__SANITIZE_THREAD__) #if defined(__SANITIZE_THREAD__)
#define DWARFS_SANITIZE_THREAD 1 #define DWARFS_SANITIZE_THREAD 1
#elif defined(__has_feature) #elif defined(__has_feature)
@ -29,6 +33,7 @@
#endif #endif
#endif #endif
#if !defined(DWARFS_SANITIZE_THREAD) && defined(__x86_64__) #if !defined(DWARFS_SANITIZE_THREAD) && defined(__x86_64__) && \
__has_attribute(target_clones)
#define DWARFS_MULTIVERSIONING 1 #define DWARFS_MULTIVERSIONING 1
#endif #endif