ld doesn't relocate sysroot if called as tooldir/bin/ld

[Nick Clifton]

Hi Alex,

> Index: ld/ChangeLog
> from  Alexandre Oliva  <aoliva@redhat.com>
> 
> 	* ldfile.h (struct search_dirs): Added sysrooted field.
> 	* ldlang.h (struct lang_input_statement_struct): Likewise.
> 	* ldfile.c (ldfile_add_library_path): Mark sysrooted paths.
> 	(ldfile_open_file_search): Look for sysrooted filename starting
> 	with / in ld_sysroot instead of in the current directory.  Clear
> 	sysrooted flag if it's found in the current directory.  Set it
> 	from the search directory's sysrooted flag where it is found
> 	otherwise.
> 	* ldlang.c (ldlang_sysrooted_script): New static variable.
> 	(new_afile): Mark search_file_enums as sysrooted if
> 	ldlang_sysrooted_script.
> 	(load_symbols): Set ldlang_sysrooted_script according to the
> 	script's sysrooted field while processing it.
> 	* ld.texinfo: Document INPUT behavior in sysroot.

Approved - please apply.

Cheers
        Nick