win32: drop support for WinSock version 1, require version 2

IPv6, telnet and now also the multi API require WinSock
version 2 which is available starting with Windows 95.

Therefore we think it is time to drop support for version 1.

Reviewed-by: Marcel Raad
Reviewed-by: Jay Satiro
Reviewed-by: Daniel Stenberg
Reviewed-by: Viktor Szakats

Follow up to #5634
Closes #5854
This commit is contained in:
Marc Hoersken 2020-08-30 12:21:53 +02:00
parent 20d74b7393
commit 3e4b32a3e1
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GPG key ID: 61E03CBED7BC859E
5 changed files with 11 additions and 22 deletions

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@ -60,7 +60,6 @@
/*
* Define USE_WINSOCK to 2 if we have and use WINSOCK2 API, else
* define USE_WINSOCK to 1 if we have and use WINSOCK API, else
* undefine USE_WINSOCK.
*/
@ -70,7 +69,7 @@
# define USE_WINSOCK 2
#else
# ifdef HAVE_WINSOCK_H
# define USE_WINSOCK 1
# error "WinSock version 1 is no longer supported, version 2 is required!"
# endif
#endif