-# Tru64 UNIX has getaddrinfo() but has it renamed in libc as
-# something else so we must include <netdb.h> to get the
-# redefinition.
-AC_CHECK_FUNCS(getaddrinfo, ,
- [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
- AC_TRY_LINK([#include <sys/types.h>
- #include <sys/socket.h>
- #include <netdb.h>],[getaddrinfo(NULL, NULL, NULL, NULL);],
- [AC_MSG_RESULT([yes])
- AC_DEFINE(HAVE_GETADDRINFO, 1,
- [Define if you have the `getaddrinfo' function.])],
- [AC_MSG_RESULT([no])
- AC_LIBOBJ(lib/getaddrinfo)])])
-AC_CHECK_FUNCS(getnameinfo, , AC_LIBOBJ(lib/getnameinfo))
+# Irix 6.5 has getaddrinfo but not the corresponding defines, so use
+# builtin getaddrinfo if one of the defines don't exist
+AC_CACHE_CHECK([whether defines needed by getaddrinfo exist],
+ rsync_cv_HAVE_GETADDR_DEFINES,[
+ AC_EGREP_CPP(yes, [
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <netdb.h>
+ #ifdef AI_PASSIVE
+ yes
+ #endif],
+ rsync_cv_HAVE_GETADDR_DEFINES=yes,
+ rsync_cv_HAVE_GETADDR_DEFINES=no)])
+if test x"$rsync_cv_HAVE_GETADDR_DEFINES" = x"yes"; then
+ # Tru64 UNIX has getaddrinfo() but has it renamed in libc as
+ # something else so we must include <netdb.h> to get the
+ # redefinition.
+ AC_CHECK_FUNCS(getaddrinfo, ,
+ [AC_MSG_CHECKING([for getaddrinfo by including <netdb.h>])
+ AC_TRY_LINK([#include <sys/types.h>
+ #include <sys/socket.h>
+ #include <netdb.h>],[getaddrinfo(NULL, NULL, NULL, NULL);],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_GETADDRINFO, 1,
+ [Define if you have the `getaddrinfo' function.])],
+ [AC_MSG_RESULT([no])
+ AC_LIBOBJ(lib/getaddrinfo)])])
+ AC_CHECK_FUNCS(getnameinfo, , AC_LIBOBJ(lib/getnameinfo))
+else
+ AC_LIBOBJ(lib/getaddrinfo)
+ AC_LIBOBJ(lib/getnameinfo)
+fi
+