On Mon, Sep 02, 2024 at 07:15:12PM +0800, Qian Yun wrote:
>
>
> On 9/2/24 8:13 AM, Waldek Hebisch wrote:
> > On Sun, Sep 01, 2024 at 10:32:39AM +0800, Qian Yun wrote:
> > > There is this gentoo bug: https://bugs.gentoo.org/728048
> > >
> > > The CFLAGS/LDFLAGS flags are not propagated properly in Makefiles.
> > >
> > > I think the attached patch fixes this.
> >
> > It looks OK assuming that we want behaviour that you implemented.
> > However, it is not 100% clear what CFLAGS/LDFLAGS should do.
> > For example, in principle for correct configuration we should
> > use the same flags both during configure and build. So arguably
> > CFLAGS should be propagated from configure to makefiles.
> >
>
> If you export CFLAGS in environment variables, it is already picked
> up by configure automatically.
I mean that some folks expect CFLAGS given to configure to propagate
to Makefiles. For that we would need
AC_SUBST(CFLAGS)
in 'configure.ac' and something like
CFLAGS=@CFLAGS@
in relevant Makefiles (or better 'var_def.mk').
--
Waldek Hebisch
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