[fpc-pascal] Smart-linking versus Whole Program Optimization
jonas at freepascal.org
Wed Mar 10 13:29:12 CET 2021
On 10/03/2021 13:17, Yuriy Sydorov via fpc-pascal wrote:
> On 10.03.2021 11:34, LacaK via fpc-pascal wrote:
>> A.) I compile my (units) program/library with -CX -XX (set in Project
> Just a small note:
> -CX -XX are not needed for the top-tier targets nowadays. The section
> based smart linking is a default option in recent FPC versions.
At least -XX is still necessary, otherwise we don't enable dead
code/data stripping in the linker (at least not on Linux). And on macOS,
-CX is also needed, otherwise the compiler does not emit a directive in
the object files that dead code/data stripping should be enabled based
on whether or not there are references to the global symbols preceding them.
Neither parameter may be necessary on Windows, but that's probably the
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