Your message dated Wed, 17 Sep 2025 08:55:03 +0000
with message-id <[email protected]>
and subject line Bug#1115415: fixed in protobuf 3.21.12-13
has caused the Debian Bug report #1115415,
regarding protobuf FTBFS on multiple architectures with gcc 15
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1115415: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1115415
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Source: protobuf
Version: 3.21.12-11
Severity: serious
Tags: ftbfs forky sid patch
https://buildd.debian.org/status/logs.php?pkg=protobuf&ver=3.21.12-12
...
google/protobuf/generated_message_tctable_lite.cc: In static member function
'static const char*
google::protobuf::internal::TcParser::MpString(google::protobuf::MessageLite*,
const char*, google::protobuf::internal::ParseContext*, const
google::protobuf::internal::TcParseTableBase*, uint64_t,
google::protobuf::internal::TcFieldData)':
google/protobuf/generated_message_tctable_lite.cc:1666:46: error: cannot
tail-call: target is not able to optimize the call into a sibling call
1666 | PROTOBUF_MUSTTAIL return MpRepeatedString(PROTOBUF_TC_PARAM_PASS);
| ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
...
musttail support is new in gcc 15:
https://gcc.gnu.org/gcc-15/changes.html
The attached patch restores the gcc 14 status quo of not using musttail.
Description: Don't use musttail since it causes FTBFS on multiple architectures
Author: Adrian Bunk <[email protected]>
--- protobuf-3.21.12.orig/src/google/protobuf/port_def.inc
+++ protobuf-3.21.12/src/google/protobuf/port_def.inc
@@ -254,7 +254,7 @@
#ifdef PROTOBUF_TAILCALL
#error PROTOBUF_TAILCALL was previously defined
#endif
-#if __has_cpp_attribute(clang::musttail) && !defined(__arm__) && \
+#if 0 && __has_cpp_attribute(clang::musttail) && !defined(__arm__) && \
!defined(_ARCH_PPC) && !defined(__wasm__) && \
!(defined(_MSC_VER) && defined(_M_IX86)) && \
!(defined(__NDK_MAJOR__) && __NDK_MAJOR <= 24)
--- End Message ---
--- Begin Message ---
Source: protobuf
Source-Version: 3.21.12-13
Done: Laszlo Boszormenyi (GCS) <[email protected]>
We believe that the bug you reported is fixed in the latest version of
protobuf, 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 [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Laszlo Boszormenyi (GCS) <[email protected]> (supplier of updated protobuf
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 [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Wed, 17 Sep 2025 07:10:32 +0200
Source: protobuf
Architecture: source
Version: 3.21.12-13
Distribution: unstable
Urgency: medium
Maintainer: Laszlo Boszormenyi (GCS) <[email protected]>
Changed-By: Laszlo Boszormenyi (GCS) <[email protected]>
Closes: 1115415
Changes:
protobuf (3.21.12-13) unstable; urgency=medium
.
[ Adrian Bunk <[email protected]> ]
* Backport fix for FTBFS on multiple architectures with GCC 15
(closes: #1115415).
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