Support loading libswipl as a GNU Emacs dynamic module #1055
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New read-only Prolog flags determined at swipl compile time. These flags are intended to allow package sweep to determine if libswipl needs to be loaded ahead of sweep-module (when executable_format=elf), and if so to locate libswipl.
Restores changes reverted in 03323ac originally made in d8b4b1a: Add exported symbol declaring that we are GPL compatible, as well as a stub Emacs module initialization function. These are both required for loading libswipl into Emacs via the dynamic module API, which subsequently makes it possible to load other dynamic Emacs modules that rely on libswipl, such as sweep-module from package sweep.
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This pull request has been mentioned on SWI-Prolog. There might be relevant details there: https://swi-prolog.discourse.group/t/sweep-module-so-undefined-symbol-pl-version-info/5842/13 |
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This is another attempt following #1053