--- /usr/include/x86_64-linux-gnu/sys/socket.h 2020-04-14 19:26:04.000000000 +0000 +++ include/sys/socket.h 2020-05-05 19:03:23.910980758 +0000 @@ -54,7 +54,7 @@ uses with any of the listed types to be allowed without complaint. G++ 2.7 does not support transparent unions so there we want the old-style declaration, too. */ -#if defined __cplusplus || !__GNUC_PREREQ (2, 7) || !defined __USE_GNU +#if 1 # define __SOCKADDR_ARG struct sockaddr *__restrict # define __CONST_SOCKADDR_ARG const struct sockaddr * #else