[packages/spdlog] add note about implications of cxx20 bcond

[Jan Rękorajski]

On Tue, 03 Nov 2026, atler wrote:

> On 02.11.2026 23:54, atler wrote:
> > commit 0bee8bcc2cf48d27effeb15df5d845995f511524
> > Author: Jan Palus <atler at pld-linux.org>
> > Date:   Mon Nov 2 23:53:51 2026 +0100
> > 
> >     add note about implications of cxx20 bcond
> > 
> >  spdlog.spec | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > ---
> > diff --git a/spdlog.spec b/spdlog.spec
> > index 53f8787..3750e02 100644
> > --- a/spdlog.spec
> > +++ b/spdlog.spec
> > @@ -1,6 +1,6 @@
> >  #
> >  # Conditional build:
> > -%bcond_without	cxx20	# C++ 20 std::format instead of libfmt
> > +%bcond_without	cxx20	# C++ 20 std::format instead of libfmt (users of library must be built with C++20 too)
> 
> Does anyone have strong preference for keeping this bcond enabled? C++
> standard matching dance between library X which enforces -std=c++17 in its
> CXXFLAGS, library Y which requires C++20 but does not enforce it in any
> way, all when compiling application Z unaware of any of this is becoming
> tiring. spdlog built with libfmt is more lenient which makes me want to
> do the switch.

I'd say keep it simple and turn it off. C++ standards are already a
pain, let's not add more.

-- 
Jan Rękorajski                    | PLD/Linux
SysAdm | baggins<at>pld-linux.org | http://www.pld-linux.org/