math: raise flags in log2l.c on <= 0 arguments, and fix volatile

[musl] / include / termios.h

diff --git a/include/termios.h b/include/termios.h
index 1041759..d73c780 100644 (file)
--- a/include/termios.h
+++ b/include/termios.h
@@ -5,6 +5,8 @@
 extern "C" {
 #endif
 
+#include <features.h>
+
 #define __NEED_pid_t
 
 #include <bits/alltypes.h>