--- socat-1.7.2.2.orig/sysincludes.h 2011-12-06 08:45:03.000000000 +0100 +++ socat-1.7.2.2/sysincludes.h 2013-12-25 15:43:19.000000000 +0100 @@ -136,9 +136,11 @@ #if HAVE_NETINET_IF_ETHER_H #include <netinet/if_ether.h> #endif +#if defined(__GLIBC__) #if HAVE_LINUX_IF_TUN_H #include <linux/if_tun.h> #endif +#endif #if HAVE_TERMIOS_H && _WITH_TERMIOS #include <termios.h>