--- socat-1.7.3.0.orig/sysincludes.h	2015-01-24 11:15:22.000000000 +0100
+++ socat-1.7.3.0/sysincludes.h	2015-12-29 20:35:27.000000000 +0100
@@ -141,9 +141,11 @@
 #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>
