Add more compat code for non GNU environments

Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/TODO b/TODO
index 493932a..9be1b07 100644
--- a/TODO
+++ b/TODO
@@ -6,11 +6,8 @@
 have any suggestions how they plan to go about it, and to minimize conflicts
 between your work and theirs.  But otherwise, all of these are fair game.
 
-Rob Landley suggested these:
-  Add a libbb/platform.c
-    Implement fdprintf() for platforms that haven't got one.
-    Implement bb_realpath() that can handle NULL on non-glibc.
-    Cleanup bb_asprintf()
+Rob Landley suggested this:
+  Implement bb_realpath() that can handle NULL on non-glibc.
 
   Remove obsolete _() wrapper crud for internationalization we don't do.
   Figure out where we need utf8 support, and add it.