[Pkg-pascal-devel] CGE failing on arm64, mips, mipsel, ppc64 and sparc64

[Paul Gevers]

Hi Michalis,

On 23-07-17 01:01, Michalis Kamburelis wrote:
> Sorry for the late answer!

No problem.

> 1. mips and mipsel: They both fail because they don't have the
> freetype library available, and the texture-font-to-pascal utility
> relies on it to load ttf files. We open the freetype library
> dynamically, by opening "libfreetype.so" or "libfreetype.so.6" (see
> CastleInternalFreeTypeH).
> 
>   Can you make the Castle Game Engine package Build-Depend on
> libfreetype6? It should be available on mips and mipsel, looking at
> the bottom of https://packages.debian.org/sid/libfreetype6 .

It already Build-Depends on libfreetype6-dev, so sorry to say I think
the root cause is something else (slightly more subtle).

> 2. ppc64: Looks like it needs larger epsilon for some floating-point
> comparisons. I committed a change that should take care of it to the
> engine: https://github.com/castle-engine/castle-engine/commit/2e920b18da8aa9a275186adcb56ab5b10890ce4b.patch
> .
> 
>   Note that you may need to adjust this patch a bit for CGE 6.2
> (vector API changed in the engine this week, so my patch from GitHub
> may not be exactly compatible with 6.2 sources). Probably you will
> need to rename AssertSameValue->AssertFloatsEqual and
> Vector3FromStr->Vector3SingleFromStr to make it compatible with 6.2.

Ack. Will apply this once properly on-line.

> 3. arm64: Hm, I don't know, admittedly. Testing on an actual arm64
> machine would be needed to debug what's wrong there... It seems that
> (all? many?) math operations in CastleScript fail for some reason.
> 
> In the past you indeed helped me get access for the "porter box" with
> powerpc32 and powerpc64, and it was fruitful -- I was able to log into
> the machine, and create bugreports
> https://bugs.freepascal.org/view.php?id=29594 and
> https://bugs.freepascal.org/view.php?id=29587 . Thanks to this, these
> architectures work now (well, powerpc64 does not fully work yet, as
> seen above, but it's getting better :).
> 
> So, I would appreciate the access to a porter box for powerpc64 and
> arm64 now. Then I could test my patch on powerpc64 (instead of fixing
> it "blindly"), and I could actually debug on arm64 what's the problem.
> Without it, I don't have right now an idea how to fix the arm64 port
> "blindly".
> 
> Do you mean my information for this? All of my info (including my key
> fingerprint) from the last time is still valid, it is in the mail
> "Debian RT: request porter box guest access for Michalis Kamburelis"
> you sent on 29.11.2015.

As you should have seen, I requested access for you again. I wonder if
you didn't have access to ppc64 anymore.

Paul

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