workaround gcc got-register-reload performance problems in malloc

[musl] / src / internal / libc.h

diff --git a/src/internal/libc.h b/src/internal/libc.h
index 53e4e82..ea863d6 100644 (file)
--- a/src/internal/libc.h
+++ b/src/internal/libc.h
@@ -18,6 +18,7 @@ struct __libc {
        int ofl_lock[2];
 };
 
+extern size_t __hwcap;
 
 #if !defined(__PIC__) || 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__)