cppinit.c (remove_dup_dir): Add head_ptr argument to handle removal at head.

[thirdparty/gcc.git] / gcc / ChangeLog

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@@ -1,3 +1,18 @@
+2002-08-20  John David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+       * cppinit.c (remove_dup_dir): Add head_ptr argument to handle removal
+       at head.
+       (remove_dup_nonsys_dirs): New function.
+       (remove_dup_dirs): Change argument head to head_ptr.  Remove warnings.
+       (merge_include_chains): Remove non-system include directories from
+       quote and bracket include chains when they duplicate equivalent system
+       directories.
+       * doc/cpp.texi (-I): Update.
+        * doc/cppopts.texi (-I): Update.
+        * doc/install.texi (--with-local-prefix): Further document usage of
+       this option.
+       * doc/invoke.texi (-I): Update.
+
 2002-08-20  Richard Henderson  <rth@redhat.com>
 
        * expr.c (TARGET_MEM_FUNCTIONS): Transform to boolean.