Subject: Re: bug#47251: [core-updates] [patch] gnu: python: Enable optimizations.

From: Julien Lepiller <[email-masked]>
Date: Fri, 11 Jun 2021 03:03:33 +0200

Le Sun, 06 Jun 2021 14:34:31 +0200,
Ludovic Courtès <[email-masked]> a écrit :

> 
> > +             "CFLAGS=-fno-semantic-interposition"
> >               (string-append "LDFLAGS=-Wl,-rpath="
> > -                            (assoc-ref %outputs "out") "/lib"))
> > +                            (assoc-ref %outputs "out") "/lib"
> > +                            " -fno-semantic-interposition"))  
> 
> Could you add a comment for ‘-fno-semantic-interposition’?  Also,
> please make sure that setting CFLAGS does not override useful
> defaults (for Autoconf-based build systems, CFLAGS defaults to ‘-O2
> -g’ and overriding it means you lost both -O2 and -g; if we lose
> ‘-g’, ‘--with-debug-info’ won’t have any effect).
> 

With the patch, python still builds with -g -O3.

Pushed as 99d450b085b7bf44d669093f6c9964391ce1b451 to
e4aa346d57f61956626032d0d1dfca6b3c96e06a to core-updates, thanks!