PR preprocessor/6517

	* Makefile.in: Update.
	* c-common.c (c_common_post_options): Add preprocessor
	errors to the error count.
	* c-lang.c (c_post_options): Kill.
	(LANG_HOOKS_POST_OPTIONS): Use c_common_post_options.
	* hooks.h: Add header guards.
	* langhooks-def.h: Include hooks.h.
	(LANG_HOOKS_POST_OPTIONS): Update.
	* langhooks.h (struct lang_hooks): Update post_options.
	* toplev.c (parse_options_and_default_flags): Update.
cp:
	* cp-lang.c (LANG_HOOKS_POST_OPTIONS): Use c_common_post_options.
	* cp-tree.h (cxx_post_options): Kill.
	* cp-lex.c (cxx_post_options): Kill.
objc:
	* objc-lang.c (objc_post_options): Kill.
	(LANG_HOOKS_POST_OPTIONS): Use c_common_post_options.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@53724 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 4 insertions, 1 deletions

diff --git a/gcc/langhooks.h b/gcc/langhooks.h
index 417f77bd1b5..56b2966df4f 100644
--- a/gcc/langhooks.h
+++ b/gcc/langhooks.h
@@ -199,7 +199,10 @@ struct lang_hooks
   /* Called when all command line options have been parsed.  Should do
      any required consistency checks, modifications etc.  Complex
      initialization should be left to the "init" callback, since GC
-     and the identifier hashes are set up between now and then.  */
+     and the identifier hashes are set up between now and then.
+
+     If errorcount is non-zero after this call the compiler exits
+     immediately and the finish hook is not called.  */
   void (*post_options) PARAMS ((void));
 
   /* Called after post_options, to initialize the front end.  The main