Add comment saying that lang_decode_options should not complain about

unrecognised options.

From-SVN: r29522

gcc/ChangeLog

+Mon Sep 20 15:25:35 1999  Nick Clifton  <nickc@cygnus.com>
+
+	* c-decl.c (c_decode_option): Extend comment.
+
 Mon Sep 20 14:43:37 1999  Nick Clifton  <nickc@cygnus.com>
 
 	* toplev.c (progname): Make 'const char *'

gcc/c-decl.c

@@ -454,7 +454,8 @@ int warn_multichar = 1;
 int dollars_in_ident = DOLLARS_IN_IDENTIFIERS;
 
 /* Decode the string P as a language-specific option for C.
-   Return the number of strings consumed.  */
+   Return the number of strings consumed.  Should not complain
+   if it does not recognise the option.  */
    
 int
 c_decode_option (argc, argv)

gcc/ch/ChangeLog

+1999-09-20  Nick Clifton  <nickc@cygnus.com>
+
+	* lang.c (lang_decode_option): Extend comment.
+
 1999-09-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* lex.c (maybe_downcase, getlc, handle_generic_pragma,

gcc/ch/lang.c

@@ -161,6 +161,7 @@ GNU_xref_end ()
 
 /*
  * process chill-specific compiler command-line options
+ * do not complain if the option is not recognised
  */
 int
 lang_decode_option (argc, argv)

gcc/cp/ChangeLog

+1999-09-20  Nick Clifton  <nickc@cygnus.com>
+
+	* decl2.c (lang_decode_option): Extend comment.
+
 Mon Sep 20 10:49:05 1999  Bernd Schmidt  <bernds@cygnus.co.uk>
 
 	* typeck.c: Include "tm_p.h".

gcc/cp/decl2.c

@@ -532,7 +532,8 @@ lang_f_options[] =
 
 /* Decode the string P as a language-specific option.
    Return the number of strings consumed for a valid option.
-   Otherwise return 0.  */
+   Otherwise return 0.  Should not complain if it does not
+   recognise the option.  */
 
 int   
 lang_decode_option (argc, argv)

gcc/java/ChangeLog

+1999-09-20  Nick Clifton  <nickc@cygnus.com>
+
+	* lang.c (lang_decode_option): Extend comment.
+
 1999-09-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* gjavah.c (get_field_name, print_method_info, print_include,

gcc/java/lang.c

@@ -148,6 +148,7 @@ static int dependency_tracking = 0;
 
 /*
  * process java-specific compiler command-line options
+ * return 0, but do not complain if the option is not recognised.
  */
 int
 lang_decode_option (argc, argv)