Update documentation of %X spec after 27 years

Update documentation of %X spec after 27 years

[Eric Botcazou]

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The current documentation states:

"%X
Output the accumulated linker options specified by -Wl or a ‘%x’ spec string."

The part about -Wl has been obsolete for 27 years, since this change:

Author: Torbjorn Granlund <tege@gnu.org>
Date:   Thu Oct 27 18:04:25 1994 +0000

    (process_command): Handle -Wl, and -Xlinker similar to -l,
    
    i.e., preserve their order with respect to linker input files.

Technically speaking, the arguments of -l, -Wl and -Xlinker are input files.

Tested on x86-64/Linux, applied on all active branches as obvious.


2021-10-28  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/invoke.texi (%X): Remove obsolete reference to -Wl.

-- 
Eric Botcazou

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diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 71992b8c597..f50a990e629 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -32832,8 +32832,7 @@ Substitute the contents of spec string @var{name} at this point.
 Accumulate an option for @samp{%X}.
 
 @item %X
-Output the accumulated linker options specified by @option{-Wl} or a @samp{%x}
-spec string.
+Output the accumulated linker options specified by a @samp{%x} spec string.
 
 @item %Y
 Output the accumulated assembler options specified by @option{-Wa}.