build: remove HAVE_SOCKLEN_T forced define

cmake/Libraries.cmake

@@ -156,10 +156,6 @@ macro(configure_unix_libs)
     endif()
   endif()
 
-  # For config.h, set some static values; it may be a good idea to make these
-  # values dynamic for non-standard UNIX compilers.
-  set(HAVE_SOCKLEN_T 1)
-
   # Unix only: For config.h, save the results based on a template (config.h.in).
   # Note that this won't work on Windows because filenames are not case sensitive,
   # and we have header files named "Config.h" (upper case 'C').

src/lib/Config.h.in

@@ -16,9 +16,6 @@
 /* Define if you have POSIX threads libraries and header files. */
 #cmakedefine HAVE_PTHREAD @HAVE_PTHREAD@
 
-/* Define if your compiler defines socklen_t. */
-#cmakedefine HAVE_SOCKLEN_T @HAVE_SOCKLEN_T@
-
 /* Define to 1 if you have the <sys/socket.h> header file. */
 #cmakedefine HAVE_SYS_SOCKET_H @HAVE_SYS_SOCKET_H@
 

src/lib/arch/unix/ArchNetworkBSD.h

@@ -25,10 +25,6 @@ struct sockaddr_storage
 };
 #endif
 
-#if !HAVE_SOCKLEN_T
-using socklen_t = int;
-#endif
-
 #include <poll.h>
 
 #define ARCH_NETWORK ArchNetworkBSD