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From: Bill Findlay <findlaybill@blueyonder.co.uk>
Newsgroups: comp.lang.ada
Subject: Re: Ada interacting with Windows 8.1+ GUI
Date: Fri, 26 Oct 2018 13:52:17 +0100
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Date: 2018-10-26T13:52:17+01:00
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On 26 Oct 2018, Simon Wright wrote
(in article <lyin1pjca1.fsf@pushface.org>):

> joakimds@kth.se writes:
>
> > Isn't it easy for the compiler to optimize away/remove the code that
> > is not used?
>
> Not so much in a library package where some subprograms don't have to be
> used by the overall program.
>
> You can compile with -ffunction-sections -fdata-sections which say each
> subprogram/data object resp. is to have its own section. If your linker
> supports (the equivalent of) -gc-sections. linking with it means that
> only the used sections get linked. This is fine for (arm-eabi) embedded
> systems &  (probably) Linux. which use GNU ld, but not on macOS. Can't
> say for Windows.
>
> GNAT provides gnatelim, which analyses your code and (?) regenerates it
> without the unused objects. No idea how well this works.

Does :

-Wl,-dead_strip -Wl,-dead_strip

not work on macOS instead of:

-Wl,--gc-sections -Wl,--as-needed

?

-- 
Bill Findlay