Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.

Reworked the LLVMDC specific pragmas.

runtime/internal/util/string.d

@@ -0,0 +1,50 @@
+/*******************************************************************************
+
+        copyright:      Copyright (c) 2004 Tango group. All rights reserved
+
+        license:        BSD style: $(LICENSE)
+
+        version:        Initial release: July 2006
+
+
+        Various char[] utilities
+
+*******************************************************************************/
+
+module util.string;
+
+private import tango.stdc.string;
+
+// convert uint to char[], within the given buffer
+// Returns a valid slice of the populated buffer
+char[] intToUtf8 (char[] tmp, size_t val)
+in {
+   assert (tmp.length > 20, "atoi buffer should be 20 or more chars wide");
+   }
+body
+{
+    char* p = tmp.ptr + tmp.length;
+
+    do {
+       *--p = (val % 10) + '0';
+       } while (val /= 10);
+
+    return tmp [cast(size_t)(p - tmp.ptr) .. $];
+}
+
+
+// function to compare two strings
+int stringCompare (char[] s1, char[] s2)
+{
+    auto len = s1.length;
+
+    if (s2.length < len)
+        len = s2.length;
+
+    int result = memcmp(s1.ptr, s2.ptr, len);
+
+    if (result == 0)
+        result = cast(int)s1.length - cast(int)s2.length;
+
+    return result;
+}