[PATCH 2/6] Mention that "=" forces sysroot prefix on linker script input files.

[Hans-Peter Nilsson <hans-peter dot nilsson at axis dot com>]

Updated documentation to cover the new behavior.  The sysroot
prefix is discussed in this paragraph, so I needed just adding
to that.

ld:
	* ld.texinfo (input files in linker scripts): When mentioning
	behavior of first character "/" on scripts within sysroot, also
	mention that effect can be forced by prefixing with "=" and
	refer to SEARCH_DIR.

diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index 58150f9..8eb7ba3 100644
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -3143,7 +3143,9 @@ with the @samp{/} character, and the script being processed was
 located inside the @dfn{sysroot prefix}, the filename will be looked
 for in the @dfn{sysroot prefix}.  Otherwise, the linker will try to
 open the file in the current directory.  If it is not found, the
-linker will search through the archive library search path.  See the
+linker will search through the archive library search path.
+The @dfn{sysroot prefix} can also be forced by specifying @code{=}
+as the first character in the filename path.  See also the
 description of @samp{-L} in @ref{Options,,Command Line Options}.
 
 If you use @samp{INPUT (-l@var{file})}, @command{ld} will transform the
-- 

brgds, H-P