bug#28345: 25.2.1: package-install-file and dynamic modules

[Peking Duck <pekingducklabs@gmail.com>]

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Hi,

I wrote a dynamic module and am trying to use package.el to install it. I
followed the instructions in the Emacs Lisp Manual and created a tar
archive. This tar archive contains:

sqlite3-api-0.1/
sqlite3-api-0.1/sqlite3-api-pkg.el
sqlite3-api-0.1/sqlite3-api.so

I then evaluated

(package-install-file "~/src/emacs-sqlite3-api/sqlite3-api-0.1.tar")

and it gave me an error:

(error "sqlite3-api.so:0:0: error: scan-error: (Containing expression ends
prematurely 47501 47502)\
")

From the backtrace, it's  autoload-generate-file-autoloads in autoload.el
that caused it. Seems to me Emacs was trying to parse the .so looking for
autoloads?

It's on Linux (CentOS7). Interestingly I tried this on macOS later and this
time it worked perfectly.

Is package.el ready for dynamic modules yet?

One more thing related to dynamic modules: seems to me unload-feature
doesn't support dynamic modules yet. Will this be fixed?

Thanks

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