[Bf-committers] Windows lib changes

[Dan McGrath]

Hi,

I believe Sergey was poking the NUC's here this week for some signing
stuff. Probably still offline.

Dan

On Sat, Nov 9, 2019 at 3:12 AM Ray Molenkamp <ray at lazydodo.com> wrote:

> fixed make_update.py ! however the mac and windows buildbots seem to have
> gone awol so can't test.
>
> --Ray
>
> On 2019-11-08 4:26 p.m., Brecht Van Lommel wrote:
> > The buildbot can probably be fixed by updating the lib folder name in
> > build_files/utils/make_update.py.
> >
> > On Fri, Nov 8, 2019 at 5:16 PM Ray Molenkamp <ray at lazydodo.com> wrote:
> >
> >> So... that broke the windows build bot, if anyone with access
> >> to the windows bot could check out the libs that be great!
> >>
> >>  --Ray
> >>
> >> On 2019-11-08 9:02 a.m., Ray Molenkamp wrote:
> >>> All,
> >>>
> >>> Since the beginning of time we have always used a
> >>> weird mix of using the static C runtime for some
> >>> parts of blender while using the dynamic runtime
> >>> for others.
> >>>
> >>> No-one exactly remembers how this came to be, but
> >>> what was clear that mixing runtimes is 'not great'
> >>> and that it eventually would cause issues, which
> >>> it recently did [1]
> >>>
> >>> Today I'm cleaning it up and switching blender
> >>> over to the dynamic runtime on windows.
> >>>
> >>> Now sadly this requires a whole new library set
> >>> so if you are building blender on windows you may
> >>> have some hiccups and unfortunately a large download.
> >>>
> >>> Ideally you'd run 'make update' *twice* and it will
> >>> sort it self out. (Once to get the updated make.bat
> >>> that knows about the new libs, and a second time to
> >>> actually grab them)
> >>>
> >>> However there are some side cases where people
> >>> did not follow our building guide and/or systems
> >>> where cmake just behaved oddly, so here is a list of
> >>> oddities you may run into and how to resolve them.
> >>>
> >>> 1) I get a build error along the lines of:
> >>>
> >>> Windows requires pre-compiled libs at:
> >> 'c:/blender-git/blender/../lib/win64_vc15'.
> >>> Please run make update in the blender source folder to obtain them.
> >>>
> >>> Solution:
> >>>
> >>> Do what it says, if "make update" does not work for you, see 2
> >>>
> >>> 2) I checked out the libraries my self, I don't have SVN
> >>> in my path and/or "make update" does not work for me.
> >>>
> >>> It happens, not everybody is following our building
> >>> instructions [2] for various reasons, and some environments
> >>> just don't seem to play nice with our scripts.
> >>>
> >>> Solution:
> >>>
> >>> You can check out the new set of libraries manually from
> >>>
> >>> https://svn.blender.org/svnroot/bf-blender/trunk/lib/win64_vc15
> >>>
> >>> just make sure they and up in the next to the win64_vc14 folder
> >>> you currently have and it should work.
> >>>
> >>> 3) I have a linker error mentioning a RuntimeLibrary mismatch
> >>>
> >>> These generally come in the form of:
> >>>
> >>> 'RuntimeLibrary': value 'MTd_StaticRelease' doesn't match value
> >> 'MDd_DynamicRelease' in [somefile]
> >>> This seems to be coming from CMake not always picking
> >>> up on changes in the platform settings.
> >>>
> >>> Solution:
> >>>
> >>> Remove your build folder and start a fresh build
> >>>
> >>> 4) MSVC 2015
> >>>
> >>> MSVC2015 has been superseded by 2 newer versions both
> >>> available for free, 2015 support will be dialed back
> >>> to the same level as 32 bit support. We don't test it
> >>> nor supply libraries for it anymore, however if you
> >>> have your own set of libraries and have patches that
> >>> help with vs2015 specific issues you are always
> >>> welcome to submit those.
> >>>
> >>> Solution: Update to vs2017 or vs2019
> >>>
> >>> 5) I have a branch that has not merged this change yet.
> >>>
> >>> That's OK, the static vc14 libraries will be available
> >>> for some time. However no further updates will be done
> >>> to them.
> >>>
> >>> Special acknowledgments:
> >>>
> >>> Thanks to @Harleya and @deadpin on chat for helping test
> >>> so we could have an as smooth as possible transition to
> >>> the new libs.
> >>>
> >>> [1] https://developer.blender.org/D5387#122165
> >>> [2] https://wiki.blender.org/wiki/Building_Blender/Windows
> >>>
> >>> _______________________________________________
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