[Bug 279167] misc/astc-encoder: update to 4.8.0

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=279167

            Bug ID: 279167
           Summary: misc/astc-encoder: update to 4.8.0
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
               URL: https://github.com/ARM-software/astc-encoder/releases/
                    tag/4.8.0
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: yuri@freebsd.org
          Reporter: vvd@FreeBSD.org
             Flags: maintainer-feedback?(yuri@freebsd.org)
          Assignee: yuri@freebsd.org
 Attachment #250817 maintainer-approval?
             Flags:

Created attachment 250817
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=250817&action=edit
update to 4.8.0

May 2024
The 4.8.0 release is a minor maintenance release.
Reminder - the codec library API is not designed to be binary compatible across
versions. We always recommend rebuilding your client-side code using the
updated astcenc.h header.
General:
* Bug fix: Native builds on macOS will now correctly build for arm64 when run
outside of Rosetta on an Apple silicon device.
* Bug fix: Multiple small improvements to remove use of undefined language
behavior, to improve support for deployment using Emscripten.
* Feature: Builds using Clang can now build with undefined behavior sanitizer
by setting -DASTCENC_UBSAN=ON on the CMake configure line.
* Feature: Updated to Wuffs library 0.3.4, which ignores tRNS alpha chunks for
type 4 (LA) and 6 (RGBA) PNGs, to improve compatibility with libpng.
https://github.com/ARM-software/astc-encoder/releases/tag/4.8.0

Also fix build error on i386 with CPUTYPE=nehalem and newer:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278722
Upstream issue: https://github.com/ARM-software/astc-encoder/issues/468

Tested build in poudriere 13.3-p2 amd64 and i386 and on live system 13.3-p2
amd64.

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