X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgetaddrinfo.m4;h=fef311ff18c13b8a61241216eb353bad54051e39;hb=c90d9d892409c285cc426fc42ad5ad4faeba0efb;hp=be44232d704b5237cf8f41a57adac2aa5a376849;hpb=eeb823a84268d8a8d9069c0b0349c9a011562e5a;p=gnulib.git

diff --git a/m4/getaddrinfo.m4 b/m4/getaddrinfo.m4
index be44232d7..fef311ff1 100644
--- a/m4/getaddrinfo.m4
+++ b/m4/getaddrinfo.m4
@@ -1,48 +1,88 @@
-# getaddrinfo.m4 serial 6
-dnl Copyright (C) 2004, 2005 Free Software Foundation, Inc.
+# getaddrinfo.m4 serial 9
+dnl Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_GETADDRINFO],
 [
+  AC_MSG_NOTICE([checking how to do getaddrinfo])
+
   AC_SEARCH_LIBS(getaddrinfo, [nsl socket])
-  AC_SEARCH_LIBS(gethostbyname, [inet nsl])
-  AC_SEARCH_LIBS(getservbyname, [inet nsl socket xnet])
-  AC_REPLACE_FUNCS(getaddrinfo gai_strerror)
+  AC_CHECK_FUNCS(getaddrinfo,, [
+    AC_CACHE_CHECK(for getaddrinfo in ws2tcpip.h and -lws2_32,
+		   gl_cv_w32_getaddrinfo, [
+      gl_cv_w32_getaddrinfo=no
+      am_save_LIBS="$LIBS"
+      LIBS="$LIBS -lws2_32"
+      AC_TRY_LINK([
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
+#endif
+], [getaddrinfo(0, 0, 0, 0);], gl_cv_w32_getaddrinfo=yes)
+    LIBS="$am_save_LIBS"])
+    if test "$gl_cv_w32_getaddrinfo" = "yes"; then
+      LIBS="$LIBS -lws2_32"
+    else
+      AC_LIBOBJ(getaddrinfo)
+    fi
+    ])
+
+  AC_REPLACE_FUNCS(gai_strerror)
   gl_PREREQ_GETADDRINFO
 ])
 
 # Prerequisites of lib/getaddrinfo.h and lib/getaddrinfo.c.
 AC_DEFUN([gl_PREREQ_GETADDRINFO], [
+  AC_SEARCH_LIBS(gethostbyname, [inet nsl])
+  AC_SEARCH_LIBS(getservbyname, [inet nsl socket xnet])
+  AC_CHECK_FUNCS(gethostbyname,, [
+    AC_CACHE_CHECK(for gethostbyname in winsock2.h and -lws2_32,
+		   gl_cv_w32_gethostbyname, [
+      gl_cv_w32_gethostbyname=no
+      am_save_LIBS="$LIBS"
+      LIBS="$LIBS -lws2_32"
+      AC_TRY_LINK([
+#ifdef HAVE_WINSOCK2_H
+#include <winsock2.h>
+#endif
+], [gethostbyname(0);], gl_cv_w32_gethostbyname=yes)
+    LIBS="$am_save_LIBS"])
+    if test "$gl_cv_w32_gethostbyname" = "yes"; then
+      LIBS="$LIBS -lws2_32"
+    fi
+    ])
   AC_REQUIRE([gl_C_RESTRICT])
   AC_REQUIRE([gl_SOCKET_FAMILIES])
+  AC_REQUIRE([gl_HEADER_SYS_SOCKET])
   AC_REQUIRE([AC_C_INLINE])
   AC_REQUIRE([AC_GNU_SOURCE])
-  AC_CHECK_HEADERS_ONCE(sys/socket.h netdb.h sys/types.h netinet/in.h)
+  AC_CHECK_HEADERS_ONCE(netinet/in.h netdb.h)
   AC_CHECK_DECLS([getaddrinfo, freeaddrinfo, gai_strerror],,,[
   /* sys/types.h is not needed according to POSIX, but the
      sys/socket.h in i386-unknown-freebsd4.10 and
      powerpc-apple-darwin5.5 required it. */
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
+#include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
+#include <sys/socket.h>
 #endif
 #ifdef HAVE_NETDB_H
-# include <netdb.h>
+#include <netdb.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
 #endif
 ])
   AC_CHECK_TYPES([struct addrinfo],,,[
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
+#include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
-# include <sys/socket.h>
+#include <sys/socket.h>
 #endif
 #ifdef HAVE_NETDB_H
-# include <netdb.h>
+#include <netdb.h>
+#endif
+#ifdef HAVE_WS2TCPIP_H
+#include <ws2tcpip.h>
 #endif
 ])
 ])