newlib/libc/sys/linux/machine/i386/weakalias.h


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#define weak_alias(name, aliasname) \
  extern __typeof (name) aliasname __attribute__ ((__weak__, __alias__ (#name)));

#if 0
#define weak_extern(symbol) _weak_extern (symbol)
#define _weak_extern(symbol) asm (".weak " #symbol);
#endif

#define weak_function __attribute__ ((__weak__))