m4/sac-su2.m4: avoid redundant ws2tcpip.h test if winsock2.h was not found.

darcs-hash:20060530184024-65a35-99f70eab4833393e0eeee14bef3cbf9322d6f493.gz

m4/sac-su2.m4: avoid redundant ws2tcpip.h test if winsock2.h was not found.
darcs-hash:20060530184024-65a35-99f70eab4833393e0eeee14bef3cbf9322d6f493.gz
0b9ebbbb · Pekka Pessi · a8916813 · 0b9ebbbb
Commit 0b9ebbbb authored May 30, 2006 by Pekka Pessi
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m4/sac-su2.m4 m4/sac-su2.m4 +2 -2

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--- a/m4/sac-su2.m4
+++ b/m4/sac-su2.m4
@@ -109,7 +109,7 @@ AC_CHECK_HEADERS([unistd.h sys/time.h])

 AC_CHECK_HEADERS([fcntl.h])

-AC_CHECK_HEADERS([winsock2.h ws2tcpip.h], [
+AC_CHECK_HEADERS([winsock2.h], [
  AC_DEFINE([HAVE_WIN32], 1, [Define to 1 you have WIN32])
  SAC_SU_DEFINE([SU_HAVE_WINSOCK], 1, [Define to 1 you have WinSock])
  SAC_SU_DEFINE([SU_HAVE_WINSOCK2], 1, [Define to 1 you have WinSock2])
@@ -123,7 +123,7 @@ AC_CHECK_HEADERS([winsock2.h ws2tcpip.h], [
      [Define to 1 if you have addrinfo structure.])
  SAC_SU_DEFINE([SU_HAVE_ADDRINFO], 1,
      [Define to 1 if you have addrinfo structure.])
-  AC_CHECK_HEADERS([windef.h])
+  AC_CHECK_HEADERS([windef.h ws2tcpip.h])
  AC_CHECK_HEADERS([iphlpapi.h], [
    AC_DEFINE([HAVE_INTERFACE_INFO_EX], 1, [
       Define to 1 if you have WIN32 INTERFACE_INFO_EX type.])