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[www-docs] Add note to gcc-4.8/changes.html that DWARF4 is now the default.

Message ID alpine.LNX.2.00.1211242110420.2085@tuna.site
State New
Headers show

Commit Message

Gerald Pfeifer Nov. 24, 2012, 8:18 p.m. UTC 
On Wed, 21 Nov 2012, Mark Wielaard wrote:
> As mentioned in some bug reports it should be documented that DWARF4 is
> now the default for 4.8 when -g is used (and that one might need a newer
> version of debugger/profiling/tracing tools to use it). So I added the
> following:

I applied the following patch on top of yours, which adds
<code>...</code> markup for command-line options and a line
break.

Gerald
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Patch

Index: changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-4.8/changes.html,v
retrieving revision 1.65
diff -u -3 -p -r1.65 changes.html
--- changes.html	23 Nov 2012 13:19:03 -0000	1.65
+++ changes.html	24 Nov 2012 19:43:40 -0000
@@ -54,13 +54,16 @@  by this change.</p>
 
   <ul>
     <li>DWARF4 is now the default when generating DWARF debug information.
-      When -g is used on a platform that uses DWARF debugging information,
-      GCC will now default to -gdwarf-4 -fno-debug-types-section.
+      When <code>-g</code> is used on a platform that uses DWARF debugging
+      information, GCC will now default to
+      <code>-gdwarf-4 -fno-debug-types-section</code>.<br />
       GDB 7.5, Valgrind 3.8.0 and elfutils 0.154 debug information consumers
       support DWARF4 by default. Before GCC 4.8 the default version used
-      was DWARF2. To make GCC 4.8 generate an older DWARF version use -g
-      together with -gdwarf-2 or -gdwarf-3. The default for Darwin and
-      VxWorks is still -gdwarf-2 -gstrict-dwarf.
+      was DWARF2. To make GCC 4.8 generate an older DWARF version use
+      <code>-g</code> together with <code>-gdwarf-2</code> or
+      <code>-gdwarf-3</code>.
+      The default for Darwin and VxWorks is still
+      <code>-gdwarf-2 -gstrict-dwarf</code>.
     </li>
     <li>A new general optimization level, <code>-Og</code>, has been
       introduced.  It addresses the need for fast compilation and a