x86_64: fenv.c needs __weak_reference()

* the weak symbol feenableexcept wasn't available.
2015-03-27 20:15:04 +01:00 · 2015-03-27 20:15:04 +01:00 · 4a9c56f6c7
commit 4a9c56f6c7
parent 49b69c86d3
1 changed files with 5 additions and 0 deletions
--- a/headers/posix/sys/cdefs.h
+++ b/headers/posix/sys/cdefs.h
@ -29,5 +29,10 @@
 #define __dead
 #define __dead2

+#ifndef __weak_reference
+#define	__weak_reference(sym,alias)	\
+	__asm__(".weak " #alias);	\
+	__asm__(".equ "  #alias ", " #sym)
+#endif

 #endif