[SCM] Hurd branch, master, updated. v0.9.git20220925-5-gbbb977d0

[Samuel Thibault]

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- Log -----------------------------------------------------------------
commit bbb977d086e4f501751ae95d253450c57e1ca00c
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Tue Nov 1 12:23:11 2022 +0100

    Fix parallel builds
    
    As explained on
    https://www.gnu.org/software/automake/manual/html_node/Multiple-Outputs.html
    
    a b: c
        foo -o a -o b
    
    is actually equivalent to
    
    a: c
        foo -o a -o b
    b: c
        foo -o a -o b
    
    and can thus break in parallel builds, since the foo command may then be
    called twice. Also, we are here using pattern rules. The automake manual
    contains various levels of fixing this, using a mere stamp file should
    be enough for us.

-----------------------------------------------------------------------

Summary of changes:
 Makeconf | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)


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