gromacs ftbfs on ppc64el with gcc-12

Bug #2009247 reported by Steve Langasek
6
This bug affects 1 person
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gcc-12 (Ubuntu)
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Bug Description

The gromacs package has been failing to build on ppc64el since gcc moved to gcc-12, with failures in the test suite.

https://launchpad.net/ubuntu/+source/gromacs/2022.5-2/+build/25596379

The last successful build was with gcc-11. Hard-coding gcc-11 for the build allows it to again build successfully in lunar.

https://launchpad.net/ubuntu/+source/gromacs/2022.5-2ubuntu1/+build/25633954

The failure persists when disabling LTO and when downgrading from -O3 to -O2.

The failure also is not seen in Debian, where this built successfully with gcc-12.

Steve Langasek (vorlon)
description: updated
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