--- include/libc.h.orig
+++ include/libc.h
@@ -102,7 +102,10 @@ extern void sysfatal(char*, ...);
#define atoll p9atoll
#define getenv p9getenv
#define getwd p9getwd
+#ifdef longjmp
+#undef longjmp
+#endif
#define longjmp p9longjmp
#undef setjmp
#define setjmp p9setjmp