embedded updates

From-SVN: r49562

libjava/java/io/natFile.cc

@@ -131,7 +131,9 @@ java::io::File::performList (java::io::FilenameFilter *filter,
 			     java::io::FileFilter *fileFilter, 
 			     java::lang::Class *result_type)
 {
-#ifdef HAVE_DIRENT_H
+  /* Some systems have dirent.h, but no directory reading functions like
+     opendir.  */
+#if defined(HAVE_DIRENT_H) && defined(HAVE_OPENDIR)
   char buf[MAXPATHLEN];
   jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
   buf[total] = '\0';
@@ -178,9 +180,9 @@ java::io::File::performList (java::io::FilenameFilter *filter,
   jobjectArray ret = JvNewObjectArray (list->size(), result_type, NULL);
   list->toArray(ret);
   return ret;
-#else /* HAVE_DIRENT_H */
+#else /* HAVE_DIRENT_H && HAVE_OPENDIR */
   return NULL;
-#endif /* HAVE_DIRENT_H */
+#endif /* HAVE_DIRENT_H && HAVE_OPENDIR */
 }
 
 jboolean

libjava/java/lang/natSystem.cc

@@ -271,7 +271,9 @@ java::lang::System::getSystemTimeZone (void)
   tz1 = tzname[0];
   tz2 = strcmp (tzname[0], tzname[1]) ? tzname[1] : "";
 #else
-#error Neither tm_zone nor tzname defined
+  // Some targets have no concept of timezones.
+  tz1 = "???";
+  tz2 = tz1;
 #endif
 
   if ((tzoffset % 3600) == 0)
@@ -464,6 +466,7 @@ java::lang::System::init_properties (void)
     }
 
   // Set the system properties from the user's environment.
+#ifndef DISABLE_GETENV_PROPERTIES
   if (_Jv_Environment_Properties)
     {
       size_t i = 0;
@@ -475,6 +478,7 @@ java::lang::System::init_properties (void)
 	  i++;
 	}
     }
+#endif
 
   if (_Jv_Jar_Class_Path)
     newprops->put(JvNewStringLatin1 ("java.class.path"),

libjava/java/net/natPlainDatagramSocketImpl.cc

@@ -36,6 +36,7 @@ details.  */
 #include <bstring.h>
 #endif
 
+#ifndef DISABLE_JAVA_NET
 // Avoid macro definitions of bind from system headers, e.g. on
 // Solaris 7 with _XOPEN_SOURCE.  FIXME
 static inline int
@@ -43,6 +44,7 @@ _Jv_bind (int fd, struct sockaddr *addr, int addrlen)
 {
   return ::bind (fd, addr, addrlen);
 }
+#endif /* DISABLE_JAVA_NET */
 
 #ifdef bind
 #undef bind

libjava/java/net/natPlainSocketImpl.cc

@@ -37,6 +37,8 @@ details.  */
 typedef int socklen_t;
 #endif
 
+#ifndef DISABLE_JAVA_NET
+
 // Avoid macro definitions of bind, connect from system headers, e.g. on
 // Solaris 7 with _XOPEN_SOURCE.  FIXME
 static inline int
@@ -79,6 +81,7 @@ _Jv_recv (T_ret (*recv_func) (T_fd s, T_buf buf, T_len len, T_flags flags),
 {
   return recv_func ((T_fd) s, (T_buf) buf, (T_len) len, (T_flags) flags);
 }
+#endif /* DISABLE_JAVA_NET */
 
 #include <gcj/cni.h>
 #include <gcj/javaprims.h>
@@ -151,6 +154,48 @@ java::net::PlainSocketImpl::getOption (jint)
     JvNewStringLatin1 ("SocketImpl.getOption: unimplemented"));
 }
 
+jint
+java::net::PlainSocketImpl::read(void)
+{
+  throw new SocketException (
+    JvNewStringLatin1 ("SocketImpl.read: unimplemented"));
+}
+
+jint
+java::net::PlainSocketImpl::read(jbyteArray buffer, jint offset, jint count)
+{
+  throw new SocketException (
+    JvNewStringLatin1 ("SocketImpl.read: unimplemented"));
+}
+
+void
+java::net::PlainSocketImpl::write(jint b)
+{
+  throw new SocketException (
+    JvNewStringLatin1 ("SocketImpl.write: unimplemented"));
+}
+
+void
+java::net::PlainSocketImpl::write(jbyteArray b, jint offset, jint len)
+{
+  throw new SocketException (
+    JvNewStringLatin1 ("SocketImpl.write: unimplemented"));
+}
+
+jint
+java::net::PlainSocketImpl::available(void)
+{
+  throw new SocketException (
+    JvNewStringLatin1 ("SocketImpl.available: unimplemented"));
+}
+
+void
+java::net::PlainSocketImpl::close(void)
+{
+  throw new SocketException (
+    JvNewStringLatin1 ("SocketImpl.close: unimplemented"));
+}
+
 #else /* DISABLE_JAVA_NET */
 
 union SockAddr