Bug#1069432: mpi4py: FTBFS on armhf: ld: cannot find -llmpe: No such file or directory

[Lucas Nussbaum]

Source: mpi4py
Version: 3.1.5-5
Severity: serious
Justification: FTBFS
Tags: trixie sid ftbfs
User: lucas at debian.org
Usertags: ftbfs-20240420 ftbfs-trixie ftbfs-t64-armhf

Hi,

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


Relevant part (hopefully):
> make[1]: Entering directory '/<<PKGBUILDDIR>>'
> dh_auto_build override_dh_auto_build-arch -- \
> 	--build-args "--mpicc=/usr/bin/mpicc --mpicxx=/usr/bin/mpicxx"
> I: pybuild base:311: /usr/bin/python3.12 setup.py build --mpicc=/usr/bin/mpicc --mpicxx=/usr/bin/mpicxx
> running build
> running build_src
> running build_py
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/bench.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/__main__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/run.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/aplus.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/server.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/__main__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/_core.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/_base.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/pool.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/_lib.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/util
> copying src/mpi4py/util/dtlib.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/util
> copying src/mpi4py/util/pkl5.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/util
> copying src/mpi4py/util/__init__.py -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/util
> copying src/mpi4py/py.typed -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/bench.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/MPI.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/__init__.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/__main__.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/run.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/dl.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/MPI.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/libmpi.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> copying src/mpi4py/__init__.pxd -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/include
> creating /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/include/mpi4py
> copying src/mpi4py/include/mpi4py/mpi4py.MPI_api.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/include/mpi4py
> copying src/mpi4py/include/mpi4py/mpi4py.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/include/mpi4py
> copying src/mpi4py/include/mpi4py/mpi4py.MPI.h -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/include/mpi4py
> copying src/mpi4py/include/mpi4py/mpi4py.i -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/include/mpi4py
> copying src/mpi4py/include/mpi4py/mpi.pxi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/include/mpi4py
> copying src/mpi4py/futures/pool.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/server.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/__init__.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/__main__.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/_lib.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/_core.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/futures/aplus.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/futures
> copying src/mpi4py/util/pkl5.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/util
> copying src/mpi4py/util/__init__.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/util
> copying src/mpi4py/util/dtlib.pyi -> /<<PKGBUILDDIR>>/.pybuild/cpython3_3.12/build/mpi4py/util
> running build_clib
> MPI configuration: [mpi] from 'mpi.cfg'
> MPI C compiler:    /usr/bin/mpicc
> MPI C++ compiler:  /usr/bin/mpicxx
> checking for library 'lmpe' ...
> /usr/bin/mpicc -fno-strict-overflow -Wsign-compare -DNDEBUG -g -O2 -Wall -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -c _configtest.c -o _configtest.o
> /usr/bin/mpicc -Wl,-z,relro -g -O2 -Werror=implicit-function-declaration -ffile-prefix-map=/<<PKGBUILDDIR>>=. -fstack-protector-strong -fstack-clash-protection -Wformat -Werror=format-security -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64 -Wdate-time -D_FORTIFY_SOURCE=2 _configtest.o -llmpe -o _configtest
> /usr/bin/ld: cannot find -llmpe: No such file or directory
> collect2: error: ld returned 1 exit status


The full build log is available from:
http://qa-logs.debian.net/2024/04/20/mpi4py_3.1.5-5_unstable-armhf.log

All bugs filed during this archive rebuild are listed at:
https://bugs.debian.org/cgi-bin/pkgreport.cgi?tag=ftbfs-20240420;users=lucas@debian.org
or:
https://udd.debian.org/bugs/?release=na&merged=ign&fnewerval=7&flastmodval=7&fusertag=only&fusertagtag=ftbfs-20240420&fusertaguser=lucas@debian.org&allbugs=1&cseverity=1&ctags=1&caffected=1#results

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!

If you reassign this bug to another package, please mark it as 'affects'-ing
this package. See https://www.debian.org/Bugs/server-control#affects

If you fail to reproduce this, please provide a build log and diff it with mine
so that we can identify if something relevant changed in the meantime.