Don't use HAVE_STRUCT_ADDRINFO as a guide to whether netdb.h defines

macros like AI_NUMERICHOST; instead, test the macros individually.
Should fix recent reports of trouble on AIX and Unixware.

src/include/getaddrinfo.h

@@ -15,7 +15,7 @@
  *
  * Copyright (c) 2003, PostgreSQL Global Development Group
  *
- * $Id: getaddrinfo.h,v 1.8 2003/08/04 00:43:29 momjian Exp $
+ * $Id: getaddrinfo.h,v 1.9 2003/08/07 16:45:21 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -28,19 +28,9 @@
 #endif
 
 
-#ifndef HAVE_STRUCT_ADDRINFO
+/* Various macros that ought to be in <netdb.h>, but might not be */
 
-struct addrinfo
-{
-	int			ai_flags;
-	int			ai_family;
-	int			ai_socktype;
-	int			ai_protocol;
-	size_t		ai_addrlen;
-	struct sockaddr *ai_addr;
-	char	   *ai_canonname;
-	struct addrinfo *ai_next;
-};
+#ifndef EAI_FAIL
 
 #define EAI_BADFLAGS	-1
 #define EAI_NONAME		-2
@@ -52,19 +42,46 @@ struct addrinfo
 #define EAI_MEMORY		-10
 #define EAI_SYSTEM		-11
 
+#endif
+
+#ifndef AI_PASSIVE
 #define AI_PASSIVE		0x0001
+#endif
+#ifndef AI_NUMERICHOST
 #define AI_NUMERICHOST	0x0004
+#endif
 
+#ifndef NI_NUMERICHOST
 #define NI_NUMERICHOST	1
+#endif
+#ifndef NI_NUMERICSERV
 #define NI_NUMERICSERV	2
-#endif   /* HAVE_STRUCT_ADDRINFO */
+#endif
 
 #ifndef NI_MAXHOST
 #define NI_MAXHOST	1025
+#endif
+#ifndef NI_MAXSERV
 #define NI_MAXSERV	32
 #endif
 
 
+#ifndef HAVE_STRUCT_ADDRINFO
+
+struct addrinfo
+{
+	int			ai_flags;
+	int			ai_family;
+	int			ai_socktype;
+	int			ai_protocol;
+	size_t		ai_addrlen;
+	struct sockaddr *ai_addr;
+	char	   *ai_canonname;
+	struct addrinfo *ai_next;
+};
+
+#endif /* HAVE_STRUCT_ADDRINFO */
+
 
 #ifndef HAVE_GETADDRINFO
 
@@ -96,6 +113,7 @@ extern const char *gai_strerror(int errcode);
 extern int getnameinfo(const struct sockaddr * sa, int salen,
 			char *node, int nodelen,
 			char *service, int servicelen, int flags);
+
 #endif   /* HAVE_GETADDRINFO */
 
 #endif   /* GETADDRINFO_H */