[pkg-gnupg-maint] Bug#1023601: libgpgme-dev: removal of gpgme-config breaks the build of software relying on it

[Vincent Lefevre]

Package: libgpgme-dev
Version: 1.18.0-2
Severity: grave
Justification: renders package unusable

The removal of gpgme-config due to

  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1022348

breaks the build of software relying on it, such as Mutt:

  https://gitlab.com/muttmua/mutt/-/issues/430
  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1022348

It was removed without letting developers adapt their code first.
Actually I'm not even sure that this is the right long-term decision;
upstream code should be fixed instead.

I can see in the changelog:

   * Fix FTBFS after removal of gpg-error-config (Closes: #1022348)
   * gpgme-config not installed anymore

It seems that the removal of gpg-error-config was a Debian decision
not to keep it with its build rules:
https://dev.gnupg.org/T5683 says "Now, we can consider deprecation
of gpg-error-config, to show preference to gpgrt-config. [...]
Distributions still can install it (by their own make rule), because
gpg-error-config will be kept distributed and built well."

So, if I understand correctly, either gpgme-config should be based on
gpgrt-config rather than gpg-error-config (this should be an upstream
change), or gpg-error-config should be re-added as suggested.

-- System Information:
Debian Release: bookworm/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'stable-updates'), (500, 'stable-security'), (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
merged-usr: no
Architecture: amd64 (x86_64)

Kernel: Linux 6.0.0-2-amd64 (SMP w/8 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=POSIX, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libgpgme-dev depends on:
ii  libassuan-dev     2.5.5-5
ii  libassuan0        2.5.5-5
ii  libc6             2.35-1
ii  libc6-dev         2.35-1
ii  libgpg-error-dev  1.46-1
ii  libgpg-error0     1.46-1
ii  libgpgme11        1.18.0-2

libgpgme-dev recommends no packages.

libgpgme-dev suggests no packages.

-- no debconf information

-- 
Vincent Lefèvre <vincent at vinc17.net> - Web: <https://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)