DMD release compiler flags when building with LDC

[Daniel Kozak]

On Wed, Oct 23, 2019 at 11:50 AM Per Nordlöw via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
>
> On Tuesday, 22 October 2019 at 18:55:03 UTC, kinke wrote:
> > On Tuesday, 22 October 2019 at 14:02:28 UTC, Per Nordlöw wrote:
> >>     ENABLE_LTO=1 \
> >
> > This has exactly 0 effect on DMD itself, from DMD's
> > src/posix.mak:
> >
> > ifdef ENABLE_LTO
> > CXXFLAGS  += -flto
> > endif
>
> So, I presume we could set
>
> ifdef ENABLE_LTO
> DFLAGS += -flto=full
> endif
>
> in the case when `HOST_DC` is either `ldmd2` or `ldc2` then,
> right?
>
> This works for me.
https://bugs.archlinux.org/task/63569