Any 3rd party apps which could overwrite these with an incompatible version?

Christoph

Gesendet von meinem Windows 10 Phone

Von: Thomas Faber
Gesendet: Samstag, 3. Februar 2018 13:35
An: Amine Khaldi
Cc: ReactOS Development List
Betreff: [ros-dev] Dynamic libxml2/zlib

Hey Amine,

seeing https://jira.reactos.org/browse/CORE-14288 just prompted me to

look into static vs dynamic 3rd party libraries, zlib and libxml2 in

particular. We use zlib in a bunch of modules these days, and libxml2 is

large and used in two, so I'm thinking we should make them dynamic.

I just did the experiment for libxml2 and it resulted in at least 0.5MB

binary size reduction and 2MB build folder size reduction, so clearly

seems worth it.[1] I'll do the test for zlib as well to make sure that's

also an improvement.

However I was thinking there might be a reason why we build those

statically right now. Do you (or anyone else) recall anything that makes

switching to dynamic a bad idea?

Thanks!

-Thomas

[1] Raw results:

Static libxml2 (MSVC debug with RTC):

msxml3.dll - 1887 KB

libxslt.dll - 1142 KB

libxml2.lib - 4953 KB (build dir only)

Dynamic libxml2 (MSVC debug with RTC):

msxml3.dll - 799 KB

libxslt.dll - 259 KB

libxml2.dll - 1592 KB

libxml2.lib - 371 KB (build dir only)

Static libxml2 (GCC debug with -O1):

msxml3.dll - 3856 KB

libxslt.dll - 2776 KB

liblibxml2.a - 48 KB (build dir only)

Dynamic libxml2 (GCC debug with -O1):

msxml3.dll - 1505 KB

libxslt.dll - 429 KB

libxml2.dll - 2553 KB

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