NOTICE: these changes must not be uploaded to unstable yet!

Dear maintainer,

As part of the 64-bit time_t transition required to support 32-bit
architectures in 2038 and beyond
(https://wiki.debian.org/ReleaseGoals/64bit-time), we have identified
ldc as a source package shipping runtime libraries whose ABI
either is affected by the change in size of time_t, or could not be
analyzed via abi-compliance-checker (and therefore to be on the safe
side we assume is affected).

To ensure that inconsistent combinations of libraries with their
reverse-dependencies are never installed together, it is necessary to
have a library transition, which is most easily done by renaming the
runtime library package.

Since turning on 64-bit time_t is being handled centrally through a change
to the default dpkg-buildflags (https://bugs.debian.org/1037136), it is
important that libraries affected by this ABI change all be uploaded close
together in time.  Therefore I have prepared a 0-day NMU for ldc
which will initially be uploaded to experimental if possible, then to
unstable after packages have cleared binary NEW.

Please find the patch for this NMU attached.

If you have any concerns about this patch, please reach out ASAP.  Although
this package will be uploaded to experimental immediately, there will be a
period of several days before we begin uploads to unstable; so if information
becomes available that your package should not be included in the transition,
there is time for us to amend the planned uploads.

We believe that the bug you reported is fixed in the latest version of
ldc, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 1064166@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Matthias Klumpp <mak@debian.org> (supplier of updated ldc package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)
Format: 1.8
Date: Sun, 18 Feb 2024 20:24:16 +0100
Source: ldc
Binary: ldc ldc-dbgsym libphobos2-ldc-shared-dev libphobos2-ldc-shared-dev-dbgsym libphobos2-ldc-shared106 libphobos2-ldc-shared106-dbgsym
Architecture: source amd64
Version: 1:1.36.0-1
Distribution: unstable
Urgency: medium
Maintainer: Debian D Language Group <team+d-team@tracker.debian.org>
Changed-By: Matthias Klumpp <mak@debian.org>
Description:
 ldc        - LLVM D Compiler
 libphobos2-ldc-shared-dev - LLVM D Compiler - Standard and runtime libraries, imports
 libphobos2-ldc-shared106 - LLVM D Compiler - Standard and runtime libraries
Closes: 1021584 1056110 1064166
Changes:
 ldc (1:1.36.0-1) unstable; urgency=medium
 .
   * New upstream version: 1.36.0
     - Supports LLVM 17 (Closes: #1056110)
   * Add Pass-NDEBUG-through-LDC_CXXFLAGS.patch
     - Fixes linker failure for LDC tools with current LLVM
   * Build on riscv64 (thanks to Bo YU, Closes: #1021584)
   * LDC should already work fine with 64-bit time on 32-bit
     architectures, just to be on the safe side though, enforce
     time64,lfs on 32-bit architectures for C code as well (Closes: #1064166)
   * Update d/copyright
   * Update dh version to 13
   * Update build-deps to switch away from transitional packages
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Checksums-Sha256:
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Hi Matthias,

I see you've implemented this as:

ifneq (,$(filter $(DEB_HOST_ARCH), armhf))
        export DEB_BUILD_MAINT_OPTIONS += abi=+time64,+lfs
endif

Please note that armhf is not the only architecture affected by this ABI
change: armel is also a release architecture affected, and there are a
number of other 32-bit ports architectures which are affected (hppa,
powerpc, ...)

Thanks,

Am Sa., 24. Feb. 2024 um 08:00 Uhr schrieb Steve Langasek <vorlon@debian.org>:

I know, but LDC does not exist on these architectures ;-)

Cheers,
    Matthias

Ah, fair enough!