Bug#975158: ignition-transport: FTBFS: ./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/src.c:11: undefined reference to `pthread_create'

[Lucas Nussbaum]

Source: ignition-transport
Version: 8.0.0+dfsg-3
Severity: serious
Justification: FTBFS on amd64
Tags: bullseye sid ftbfs
Usertags: ftbfs-20201119 ftbfs-bullseye

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.

Relevant part (hopefully):
> /usr/bin/ld: CMakeFiles/cmTC_f31b2.dir/src.c.o: in function `main':
> ./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/src.c:11: undefined reference to `pthread_create'
> /usr/bin/ld: ./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/src.c:12: undefined reference to `pthread_detach'
> /usr/bin/ld: ./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/src.c:13: undefined reference to `pthread_cancel'
> /usr/bin/ld: ./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/./obj-x86_64-linux-gnu/CMakeFiles/CMakeTmp/src.c:14: undefined reference to `pthread_join'
> collect2: error: ld returned 1 exit status

The full build log is available from:
   http://qa-logs.debian.net/2020/11/19/ignition-transport_8.0.0+dfsg-3_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.