On Tue, Nov 14, 2023 at 10:38:03PM +0800, Qian Yun wrote:
> As you can see in this patch, building CMUCL was different because:
>
> 1. It has to load "libspad.so" before it can define FFI functions.
> 2. After "libspad.so" is loaded, we can't unload it, and saved image
> will automatically load it during startup before anything else.
>
> The problem it caused: loadpath of libspad.so is hardcoded inside
> binary, so FRICASsys can only run at build directory and designated
> install directory. Moving its install location will cause failure to
> boot.
>
> For the first issue, CLISP had similar problem. So the similar solution
> "cmu-init-foreign-calls" delays FFI functions definition to be after
> the loading libspad.so.
>
> For the second issue, we prevent loading of libspad.so in
> "build-interpsys", aka we prevent loading of libspad.so in the
> creation of "interpsys" and "FRICASsys".
>
> As a result, the build process of CMUCL is more like other Lisps.
OK, please commit.
--
Waldek Hebisch
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