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Re: Bloat in the Emacs Windows package

From: Phillip Lord
Subject: Re: Bloat in the Emacs Windows package
Date: Sat, 27 Apr 2019 19:17:36 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)

Björn Lindqvist <address@hidden> writes:

> Den fre 26 apr. 2019 kl 18:41 skrev Phillip Lord <address@hidden>:
>> I have now trialled there and there are versions on alpha
>> https://alpha.gnu.org/gnu/emacs/pretest/windows/emacs-27/
>> The "emacs-27.0.50" files are built like a release build, while the
>> "-snapshot" ones are built like a snapshot build.
>> In terms of the download size, -no-deps drops from 107M to 46M which is
>> the most extreme drop. The installer version drops by only 10M because
>> it's lzma compressed. Uncompressed sizes will be proportionately
>> larger.
> The emacs.exe file has shrunk from 121 mb to 6.2 mb. That is pretty, pretty
> good.

Most of that is because the lisp data is dumped independently now. I
think about 50Mb is because of the lack of debug symbols. The duplicated
executables are no longer an issue, though, since the data is only
stored once.

> Thanks a lot! I've only lightly tested it so far, but it seems that
> nothing isbroken. eww doesn't work due to missing libxml2, but it
> didn't work in emacs 24 either.

libxml2 is a dependency, so it should be there in the versions with
dependencies. If it isn't working, then it's a bug.

> There is an 10mb emacs.pdmp file in
> libexec\emacs\27.0.50\x86_64-w64-mingw32 which must be some leftover
> from the old build process.

No, the pdmp file is where all the dumped lisp data went. My release
builds (but not the snapshots) are all clean, so leftovers shouldn't be


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