Re: Decreasing size of final executable

["Jędrzej Dudkiewicz" <jedrzej.dudkiewicz@gmail.com>]

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On Fri, Jun 30, 2023 at 9:34 AM Xi Ruoyao <xry111@xry111.site> wrote:

> On Fri, 2023-06-30 at 09:29 +0200, Jędrzej Dudkiewicz wrote:
> > > > Currently I am compiling using the following compiler/linker options:
> > > > -fvisibility=hidden -fvisibility-inlines-hidden -flto
> -Wl,--exclude-libs,ALL
> > > > -Wl,-r,--discard-all -Wl,-flto
> > >
> > > Hmm, isn't "-r" for partial linking?  How can you use it to link an
> > > executable?
> >
> > Well, final binary works so I suppose it simply makes no difference.
> > Reason for it being here is simple: I've been trying basically all
> > combinations of options that according to The Experts Of The Internet
> > should somehow make my binary smaller. Since this is combination that
> > ended with smallest binary.
>
> I've no idea why it even works in your case.  When I try them for a
> Hello World program, the produced "a.out" file is an ELF relocatable and
> I cannot run it at all.
>

You are right, thank you. I checked it twice and this option simply wasn't
passed to the linker. I removed both -r and -Ur from linker options and it
builds again - final binary is slightly slower, but main problem (symbols
from boost::asio) still persist - if this is a problem at all, of course.
-- 
Jędrzej Dudkiewicz

I really hate this damn machine, I wish that they would sell it.
It never does just what I want, but only what I tell it.