r261474 - in /trunk/gcc: ChangeLog gcc.c

[ebotcazou@gcc.gnu.org]

Author: ebotcazou
Date: Tue Jun 12 06:52:55 2018
New Revision: 261474

URL: https://gcc.gnu.org/viewcvs?rev=261474&root=gcc&view=rev
Log:
	* gcc.c: Document new %@{...} sequence.
	(LINK_COMMAND_SPEC): Use it for the -L switches.
	(cpp_unique_options): Use it for the -I switches.
	(at_file_argbuf): New global variable.
	(in_at_file): Likewise.
	(alloc_args): Create at_file_argbuf.
	(clear_args): Truncate at_file_argbuf.
	(store_arg): If in_at_file, push the argument onto at_file_argbuf.
	(open_at_file): New function.
	(close_at_file): Likewise.
	(create_at_file): Delete.
	(do_spec_1) <'i'>: Use open_at_file/close_at_file.
	<'o'>: Likewise.
	<'@'>: New case.
	(validate_switches_from_spec): Deal with %@{...} sequence.
	(validate_switches): Likewise.
	(driver::finalize): Call clear_args.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gcc.c