Your message dated Fri, 13 Nov 2020 10:00:41 +0100
with message-id <3618624.h7Lxk3PaIF@thyrus>
and subject line Re: [Pkg-kde-extras] Bug#963961: Bug#963961: Please backport
exiv2
has caused the Debian Bug report #963961,
regarding Please backport exiv2
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--
963961: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=963961
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: exiv2
Version: 0.27.2-8
Severity: wishlist
Hello,
thank you for maintaining exiv2.
exiv2 in testing adds support for the webp image format, not supported
in stable.
I tried building exiv2 with the build-deps from stable, and it builds
and works, with the attached .symbols patch.
Could you please backport exiv2?
Enrico
-- System Information:
Debian Release: 10.4
APT prefers stable
APT policy: (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 5.5.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_IE.UTF-8, LC_CTYPE=en_IE.UTF-8 (charmap=UTF-8),
LANGUAGE=en_IE:en (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages exiv2 depends on:
ii libc6 2.28-10
ii libexiv2-27 0.27.2-8
ii libgcc1 1:8.3.0-6
ii libstdc++6 8.3.0-6
exiv2 recommends no packages.
exiv2 suggests no packages.
-- no debconf information
--- old 2020-01-28 22:32:03.000000000 +0100
+++ libexiv2-27.symbols 2020-06-29 12:04:07.193452629 +0200
@@ -12,15 +12,15 @@
_ZN5Exiv210AsciiValueD2Ev@Base 0.25
(optional=templinst)_ZN5Exiv210BasicErrorIcE6setMsgEv@Base 0.25
(optional=templinst)_ZN5Exiv210BasicErrorIcEC1ENS_9ErrorCodeE@Base 0.27.2
- _ZN5Exiv210BasicErrorIcEC1IA10_cEENS_9ErrorCodeERKT_@Base 0.27.2
+ (optional=templinst)_ZN5Exiv210BasicErrorIcEC1IA10_cEENS_9ErrorCodeERKT_@Base
0.27.2
(arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC1IA11_cEENS_9ErrorCodeERKT_@Base 0.27.2
(arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC1IA13_cEENS_9ErrorCodeERKT_@Base 0.27.2
(arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC1IA14_cA10_cEENS_9ErrorCodeERKT_RKT0_@Base 0.27.2
- _ZN5Exiv210BasicErrorIcEC1IA14_cA4_cEENS_9ErrorCodeERKT_RKT0_@Base 0.27.2
+ (arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC1IA14_cA4_cEENS_9ErrorCodeERKT_RKT0_@Base 0.27.2
(arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC1IA14_cA5_cEENS_9ErrorCodeERKT_RKT0_@Base 0.27.2
(arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC1IA15_cEENS_9ErrorCodeERKT_@Base 0.27.2
_ZN5Exiv210BasicErrorIcEC1IA4_cEENS_9ErrorCodeERKT_@Base 0.27.2
- _ZN5Exiv210BasicErrorIcEC1IA5_cEENS_9ErrorCodeERKT_@Base 0.27.2
+ (arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC1IA5_cEENS_9ErrorCodeERKT_@Base 0.27.2
_ZN5Exiv210BasicErrorIcEC1IA7_clEENS_9ErrorCodeERKT_RKT0_@Base 0.27.2
(optional=templinst)_ZN5Exiv210BasicErrorIcEC1INS_8Internal5IfdIdEEENS_9ErrorCodeERKT_@Base
0.27.2
(optional=templinst)_ZN5Exiv210BasicErrorIcEC1INSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEA3_cS8_EENS_9ErrorCodeERKT_RKT0_RKT1_@Base
0.27.2
@@ -35,15 +35,15 @@
(optional=templinst)_ZN5Exiv210BasicErrorIcEC1IiEENS_9ErrorCodeERKT_@Base
0.27.2
(optional=templinst)_ZN5Exiv210BasicErrorIcEC1IiPKcEENS_9ErrorCodeERKT_RKT0_@Base
0.27.2
(optional=templinst)_ZN5Exiv210BasicErrorIcEC2ENS_9ErrorCodeE@Base 0.27.2
- _ZN5Exiv210BasicErrorIcEC2IA10_cEENS_9ErrorCodeERKT_@Base 0.27.2
+ (optional=templinst)_ZN5Exiv210BasicErrorIcEC2IA10_cEENS_9ErrorCodeERKT_@Base
0.27.2
(arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC2IA11_cEENS_9ErrorCodeERKT_@Base 0.27.2
(arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC2IA13_cEENS_9ErrorCodeERKT_@Base 0.27.2
(arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC2IA14_cA10_cEENS_9ErrorCodeERKT_RKT0_@Base 0.27.2
- _ZN5Exiv210BasicErrorIcEC2IA14_cA4_cEENS_9ErrorCodeERKT_RKT0_@Base 0.27.2
+ (arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC2IA14_cA4_cEENS_9ErrorCodeERKT_RKT0_@Base 0.27.2
(arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC2IA14_cA5_cEENS_9ErrorCodeERKT_RKT0_@Base 0.27.2
(arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC2IA15_cEENS_9ErrorCodeERKT_@Base 0.27.2
_ZN5Exiv210BasicErrorIcEC2IA4_cEENS_9ErrorCodeERKT_@Base 0.27.2
- _ZN5Exiv210BasicErrorIcEC2IA5_cEENS_9ErrorCodeERKT_@Base 0.27.2
+ (arch=armel armhf hppa hurd-i386 i386 m68k mipsel powerpc sh4
x32)_ZN5Exiv210BasicErrorIcEC2IA5_cEENS_9ErrorCodeERKT_@Base 0.27.2
_ZN5Exiv210BasicErrorIcEC2IA7_clEENS_9ErrorCodeERKT_RKT0_@Base 0.27.2
(optional=templinst)_ZN5Exiv210BasicErrorIcEC2INS_8Internal5IfdIdEEENS_9ErrorCodeERKT_@Base
0.27.2
(optional=templinst)_ZN5Exiv210BasicErrorIcEC2INSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEA3_cS8_EENS_9ErrorCodeERKT_RKT0_RKT1_@Base
0.27.2
--- End Message ---
--- Begin Message ---
In data lunedì 29 giugno 2020 17:55:44 CET, Pino Toscano ha scritto:
> In data lunedì 29 giugno 2020 12:05:13 CEST, Enrico Zini ha scritto:
> > Package: exiv2
> > Version: 0.27.2-8
> > Severity: wishlist
> >
> > Hello,
> >
> > thank you for maintaining exiv2.
> >
> > exiv2 in testing adds support for the webp image format, not supported
> > in stable.
> >
> > I tried building exiv2 with the build-deps from stable, and it builds
> > and works, with the attached .symbols patch.
> >
> > Could you please backport exiv2?
>
> There are two problems in this case, one smaller and two bigger.
>
> The smaller problem is that we don't have the bandwidth needed to
> maintain packages in -backports, so it would require somebody else to
> step it and maintain the -backports branch.
>
> The bigger problem #1 is that exiv2 breaks ABI (and SONAME) for each
> stable series; you can easily see the package in unstable is
> libexiv2-27 for version 0.27.x, and the same applies to older versions.
> So even a plain backport won't be used automatically, as packages are
> linked to the SONAME of the libexiv2 in stable.
>
> The bigger problem #2 is that the API of libexiv2 is not that stable
> and usually changes, requiring fixes and adaptations in packages.
> Based on what I remember wrt the exiv2 update to 0.27, my wild guess
> is at least 1/3, if not even 1/2 or more, of the packages in stable
> that use exiv2 are not compatible with the newer exiv2.
>
> So sorry to bring the bad news: IMHO this is not doable, and it would
> require a lot of work.
As mentioned above, backporting a newer exiv2 to stable is not
practical, sadly, Hence, closing.
Thanks anyway for the report,
--
Pino Toscano
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--- End Message ---
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