# include <features.h> /* for __GLIBC__ */
#endif
-/* Gnulib's sys/socket.h is responsible for pulling in winsock2.h etc
- under MinGW.
+/* Gnulib's sys/socket.h is responsible for defining socklen_t (used below) and
+ for pulling in winsock2.h etc. under MinGW.
But avoid namespace pollution on glibc systems. */
#ifndef __GLIBC__
# include <sys/socket.h>