[wwwdocs] Re: drop -aux{dir,base}, revamp -dump{dir,base}

[Alexandre Oliva]

On May 21, 2020, Alexandre Oliva <oliva@adacore.com> wrote:

> On May 19, 2020, Richard Biener <rguenther@suse.de> wrote:

>> Thanks again for doing this.  May I also suggest to prepare a short
>> entry for gcc-11/changes.html with these things (like "Output of
>> auxiliary files changed.  See https://gcc.gnu.org/ml/gcc-patches/...
>> for details")?

> How about, under Caveats:

> * Naming and location of auxiliary and dump output files changed.  If
> you compile multiple input files in a single command, if you enable Link
> Time Optimization, or if you use -dumpbase, -dumpdir, -save-temps=*, and
> you expect any file other than the primary output file(s) to be created
> as a side effect, watch out for improvements and a few surprises.  See
> https://gcc.gnu.org/ml/...


Here's the patch I'm pushing to wwwdocs:


gcc-11/changes: -dump* and -aux* revamp

---
 htdocs/gcc-11/changes.html |   10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/htdocs/gcc-11/changes.html b/htdocs/gcc-11/changes.html
index e88a628..2f00d1f 100644
--- a/htdocs/gcc-11/changes.html
+++ b/htdocs/gcc-11/changes.html
@@ -30,7 +30,15 @@ a work-in-progress.</p>
 <!-- .................................................................. -->
 <h2>Caveats</h2>
 <ul>
-  <li>...</li>
+  <li>Naming and location of auxiliary and dump output files changed.
+      If you compile multiple input files in a single command, if you
+      enable Link Time Optimization, or if you use -dumpbase,
+      -dumpdir, -save-temps=*, and you expect any file other than the
+      primary output file(s) to be created as a side effect, watch out
+      for improvements and a few surprises.
+      See <a href="https://gcc.gnu.org/pipermail/gcc-patches/2020-May/546494.html">the
+      patch</a>, particularly its textual description, for more
+      details about the changes.</li>
 </ul>
 
 


-- 
Alexandre Oliva, freedom fighter    he/him    https://FSFLA.org/blogs/lxo/
Free Software Evangelist              Stallman was right, but he's left :(
GNU Toolchain Engineer           Live long and free, and prosper ethically