configure: remove `HAVE_WINSOCK_H` definition

It's not used anymore.

Closes https://github.com/curl/curl/pull/7795

3 files changed, 2 insertions, 103 deletions

diff --git a/acinclude.m4 b/acinclude.m4
index 277902dac..0e86bcd06 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -235,43 +235,6 @@ AC_DEFUN([CURL_CHECK_NATIVE_WINDOWS], [
 ])
 
 
-dnl CURL_CHECK_HEADER_WINSOCK
-dnl -------------------------------------------------
-dnl Check for compilable and valid winsock.h header
-
-AC_DEFUN([CURL_CHECK_HEADER_WINSOCK], [
-  AC_REQUIRE([CURL_CHECK_HEADER_WINDOWS])dnl
-  AC_CACHE_CHECK([for winsock.h], [curl_cv_header_winsock_h], [
-    AC_COMPILE_IFELSE([
-      AC_LANG_PROGRAM([[
-#undef inline
-#ifndef WIN32_LEAN_AND_MEAN
-#define WIN32_LEAN_AND_MEAN
-#endif
-#include <windows.h>
-#include <winsock.h>
-      ]],[[
-#if defined(__CYGWIN__) || defined(__CEGCC__)
-        HAVE_WINSOCK_H shall not be defined.
-#else
-        int dummy=WSACleanup();
-#endif
-      ]])
-    ],[
-      curl_cv_header_winsock_h="yes"
-    ],[
-      curl_cv_header_winsock_h="no"
-    ])
-  ])
-  case "$curl_cv_header_winsock_h" in
-    yes)
-      AC_DEFINE_UNQUOTED(HAVE_WINSOCK_H, 1,
-        [Define to 1 if you have the winsock.h header file.])
-      ;;
-  esac
-])
-
-
 dnl CURL_CHECK_HEADER_WINSOCK2
 dnl -------------------------------------------------
 dnl Check for compilable and valid winsock2.h header
@@ -1043,7 +1006,6 @@ dnl and RECV_TYPE_ARG4, defining the type of the function
 dnl return value in RECV_TYPE_RETV.
 
 AC_DEFUN([CURL_CHECK_FUNC_RECV], [
-  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl
   AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
   AC_CHECK_HEADERS(sys/types.h sys/socket.h)
   #
@@ -1058,10 +1020,6 @@ AC_DEFUN([CURL_CHECK_FUNC_RECV], [
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
 #endif
 #else
 #ifdef HAVE_PROTO_BSDSOCKET_H
@@ -1106,10 +1064,6 @@ struct Library *SocketBase = NULL;
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
 #endif
 #define RECVCALLCONV PASCAL
 #else
@@ -1187,7 +1141,6 @@ dnl return value in SEND_TYPE_RETV, and also defining the
 dnl type qualifier of second argument in SEND_QUAL_ARG2.
 
 AC_DEFUN([CURL_CHECK_FUNC_SEND], [
-  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl
   AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
   AC_CHECK_HEADERS(sys/types.h sys/socket.h)
   #
@@ -1202,10 +1155,6 @@ AC_DEFUN([CURL_CHECK_FUNC_SEND], [
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
 #endif
 #else
 #ifdef HAVE_PROTO_BSDSOCKET_H
@@ -1250,10 +1199,6 @@ struct Library *SocketBase = NULL;
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
 #endif
 #define SENDCALLCONV PASCAL
 #else
@@ -1368,10 +1313,6 @@ AC_DEFUN([CURL_CHECK_MSG_NOSIGNAL], [
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
 #endif
 #else
 #ifdef HAVE_PROTO_BSDSOCKET_H
@@ -1408,7 +1349,6 @@ dnl -------------------------------------------------
 dnl Check for timeval struct
 
 AC_DEFUN([CURL_CHECK_STRUCT_TIMEVAL], [
-  AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK])dnl
   AC_REQUIRE([CURL_CHECK_HEADER_WINSOCK2])dnl
   AC_CHECK_HEADERS(sys/types.h sys/time.h sys/socket.h)
   AC_CACHE_CHECK([for struct timeval], [curl_cv_struct_timeval], [
@@ -1422,10 +1362,6 @@ AC_DEFUN([CURL_CHECK_STRUCT_TIMEVAL], [
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
 #endif
 #endif
 #ifdef HAVE_SYS_TYPES_H
@@ -1481,10 +1417,6 @@ AC_DEFUN([TYPE_IN_ADDR_T], [
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
 #endif
 #else
 #ifdef HAVE_SYS_TYPES_H
@@ -1527,10 +1459,6 @@ AC_DEFUN([TYPE_IN_ADDR_T], [
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
 #endif
 #else
 #ifdef HAVE_SYS_TYPES_H
@@ -1823,10 +1751,6 @@ AC_DEFUN([CURL_CHECK_FUNC_SELECT], [
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
 #endif
 #endif
 #ifdef HAVE_SYS_TYPES_H
@@ -1881,10 +1805,6 @@ struct Library *SocketBase = NULL;
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
 #endif
 #define SELECTCALLCONV PASCAL
 #endif
diff --git a/configure.ac b/configure.ac
index 152b0472e..37cf62b56 100644
--- a/configure.ac
+++ b/configure.ac
@@ -477,7 +477,7 @@ dnl Compilation based checks should not be done before this point.
 dnl **********************************************************************
 
 dnl **********************************************************************
-dnl Make sure that our checks for headers windows.h winsock.h winsock2.h
+dnl Make sure that our checks for headers windows.h winsock2.h
 dnl and ws2tcpip.h take precedence over any other further checks which
 dnl could be done later using AC_CHECK_HEADER or AC_CHECK_HEADERS for
 dnl this specific header files. And do them before its results are used.
@@ -487,7 +487,6 @@ CURL_CHECK_HEADER_WINDOWS
 CURL_CHECK_NATIVE_WINDOWS
 case X-"$curl_cv_native_windows" in
   X-yes)
-    CURL_CHECK_HEADER_WINSOCK
     CURL_CHECK_HEADER_WINSOCK2
     CURL_CHECK_HEADER_WS2TCPIP
     CURL_CHECK_HEADER_WINCRYPT
@@ -495,7 +494,6 @@ case X-"$curl_cv_native_windows" in
     CURL_CHECK_HEADER_WINBER
     ;;
   *)
-    curl_cv_header_winsock_h="no"
     curl_cv_header_winsock2_h="no"
     curl_cv_header_ws2tcpip_h="no"
     curl_cv_header_wincrypt_h="no"
@@ -1022,16 +1020,6 @@ if test "$HAVE_GETHOSTBYNAME" != "1"
 then
   dnl This is for winsock systems
   if test "$curl_cv_header_windows_h" = "yes"; then
-    if test "$curl_cv_header_winsock_h" = "yes"; then
-      case $host in
-        *-*-mingw32ce*)
-          winsock_LIB="-lwinsock"
-          ;;
-        *)
-          winsock_LIB="-lwsock32"
-          ;;
-      esac
-    fi
     if test "$curl_cv_header_winsock2_h" = "yes"; then
       winsock_LIB="-lws2_32"
     fi
@@ -1048,10 +1036,6 @@ then
 #include <windows.h>
 #ifdef HAVE_WINSOCK2_H
 #include <winsock2.h>
-#else
-#ifdef HAVE_WINSOCK_H
-#include <winsock.h>
-#endif
 #endif
 #endif
         ]],[[
diff --git a/m4/curl-functions.m4 b/m4/curl-functions.m4
index d3ffaea9f..b21bbd1e2 100644
--- a/m4/curl-functions.m4
+++ b/m4/curl-functions.m4
@@ -486,7 +486,7 @@ curl_includes_unistd="\
 dnl CURL_INCLUDES_WINSOCK2
 dnl -------------------------------------------------
 dnl Set up variable with list of headers that must be
-dnl included when winsock(2).h is to be included.
+dnl included when winsock2.h is to be included.
 
 AC_DEFUN([CURL_INCLUDES_WINSOCK2], [
 curl_includes_winsock2="\
@@ -498,15 +498,10 @@ curl_includes_winsock2="\
 #  include <windows.h>
 #  ifdef HAVE_WINSOCK2_H
 #    include <winsock2.h>
-#  else
-#    ifdef HAVE_WINSOCK_H
-#      include <winsock.h>
-#    endif
 #  endif
 #endif
 /* includes end */"
   CURL_CHECK_HEADER_WINDOWS
-  CURL_CHECK_HEADER_WINSOCK
   CURL_CHECK_HEADER_WINSOCK2
 ])