ac_func_getnameinfo_save_LIBS=$LIBS
AS_IF([test "${SYS}" = "mingw32"],
[LIBS="-lws2_32 $LIBS"])
- AC_CACHE_CHECK([for getnameinfo], ac_cv_func_getnameinfo,
+AC_CACHE_CHECK([for getnameinfo], ac_cv_func_getnameinfo,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([
[#include <sys/types.h>
#if defined( UNDER_CE )
[AC_DEFINE(HAVE_GETNAMEINFO)])
LIBS=$ac_func_getnameinfo_save_LIBS
+dnl Cannot have gai_strerror if not getaddrinfo
+AH_TEMPLATE(HAVE_GAI_STRERROR,
+ [Define to 1 if you have the `gai_strerror' function.])
+AC_CACHE_CHECK([for gai_strerror], ac_cv_func_gai_strerror,
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([
+[#include <sys/types.h>
+#if defined( UNDER_CE )
+# include <winsock.h>
+#elif defined( WIN32 )
+# include <winsock2.h>
+#else
+# include <sys/socket.h>
+# include <netdb.h>
+#endif]], [[gai_strerror(0);]])],
+ac_cv_func_gai_strerror=yes,
+ac_cv_func_gai_strerror=no)])
+AS_IF([test $ac_cv_func_gai_strerror = yes],
+ [AC_DEFINE(HAVE_GAI_STRERROR)],
+ [gai_support=no])
+
dnl Check for va_copy
AC_CACHE_CHECK([for va_copy], ac_cv_c_va_copy,
AC_TRY_LINK(