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cross-build: Add __weak_symbol definition for libdwarf bootstrap

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Fixes:		3aa0bc89c6 ("libdwarf: Add a weak uncompress() symbol")
MFC after:	1 week

(cherry picked from commit d752d10e53)
This commit is contained in:
Jessica Clarke 2021-12-15 04:36:11 +00:00
parent 3ca6bdef85
commit b65517ccd7
1 changed files with 3 additions and 0 deletions
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3
tools/build/cross-build/include/common/sys/cdefs.h
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@ -109,6 +109,9 @@
#define __predict_false(exp) __builtin_expect((exp), 0)
#endif
#ifndef __weak_symbol
#define __weak_symbol __attribute__((__weak__))
#endif
#ifndef __weak_reference
#ifdef __ELF__
#define __weak_reference(sym, alias) \