• Bug#1105361: flexpart: FTBFS with make --shuffle=reverse: Fatal Error:

    From Lucas Nussbaum@21:1/5 to All on Tue May 13 21:10:07 2025
    Source: flexpart
    Version: 9.02-26
    Severity: minor
    Tags: trixie sid ftbfs
    User: lucas@debian.org
    Usertags: ftbfs-shuffle

    Hi,

    GNU Make now has a --shuffle option that simulates non-deterministic ordering of target prerequisites. See https://trofi.github.io/posts/238-new-make-shuffle-mode.html and also previous work in Debian by Santiago Vila: https://people.debian.org/~sanvila/make-shuffle/

    This package fails to build with make --shuffle=reverse.
    This is likely to be caused by a missing dependency in
    debian/rules or an upstream Makefile.

    More information about this mass bug filing is available at https://wiki.debian.org/qa.debian.org/FTBFS/Shuffle

    Relevant part (hopefully):
    make[2]: Entering directory '/build/reproducible-path/flexpart-9.02' makefile.gfs_gfortran:86: update target 'outg_mod.o' due to: target does not exist
    gfortran -c -O2 -I/usr/lib/x86_64-linux-gnu/fortran/x86_64-linux-gnu-gfortran-14 -mcmodel=medium -O2 -fdefault-real-8 -fconvert=little-endian -frecord-marker=4 -I/usr/include outg_mod.f90
    makefile.gfs_gfortran:86: update target 'point_mod.o' due to: target does not exist
    gfortran -c -O2 -I/usr/lib/x86_64-linux-gnu/fortran/x86_64-linux-gnu-gfortran-14 -mcmodel=medium -O2 -fdefault-real-8 -fconvert=little-endian -frecord-marker=4 -I/usr/include point_mod.f90
    makefile.gfs_gfortran:86: update target 'flux_mod.o' due to: target does not exist
    gfortran -c -O2 -I/usr/lib/x86_64-linux-gnu/fortran/x86_64-linux-gnu-gfortran-14 -mcmodel=medium -O2 -fdefault-real-8 -fconvert=little-endian -frecord-marker=4 -I/usr/include flux_mod.f90
    makefile.gfs_gfortran:86: update target 'xmass_mod.o' due to: target does not exist
    gfortran -c -O2 -I/usr/lib/x86_64-linux-gnu/fortran/x86_64-linux-gnu-gfortran-14 -mcmodel=medium -O2 -fdefault-real-8 -fconvert=little-endian -frecord-marker=4 -I/usr/include xmass_mod.f90
    makefile.gfs_gfortran:86: update target 'oh_mod.o' due to: target does not exist
    gfortran -c -O2 -I/usr/lib/x86_64-linux-gnu/fortran/x86_64-linux-gnu-gfortran-14 -mcmodel=medium -O2 -fdefault-real-8 -fconvert=little-endian -frecord-marker=4 -I/usr/include oh_mod.f90
    makefile.gfs_gfortran:86: update target 'unc_mod.o' due to: target does not exist
    gfortran -c -O2 -I/usr/lib/x86_64-linux-gnu/fortran/x86_64-linux-gnu-gfortran-14 -mcmodel=medium -O2 -fdefault-real-8 -fconvert=little-endian -frecord-marker=4 -I/usr/include unc_mod.f90
    makefile.gfs_gfortran:86: update target 'cmapf_mod.o' due to: target does not exist
    gfortran -c -O2 -I/usr/lib/x86_64-linux-gnu/fortran/x86_64-linux-gnu-gfortran-14 -mcmodel=medium -O2 -fdefault-real-8 -fconvert=little-endian -frecord-marker=4 -I/usr/include cmapf_mod.f90
    cmapf_mod.f90:28:7:

    28 | use par_mod, only: dp
    | 1
    Fatal Error: Cannot open module file 'par_mod.mod' for reading at (1): No such file or directory
    compilation terminated.
    make[2]: *** [makefile.gfs_gfortran:86: cmapf_mod.o] Error 1 shuffle=reverse


    The full build log is available from: http://qa-logs.debian.net/2025/05/05/shuffle/reverse/flexpart_9.02-26_unstable_reverse.log

    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

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