Bug#579990: custom atlas build fails

[Adrian Benson]

Package: atlas
Version: 3.8.3-21

Hi

The cpufrequtils test loop that is part of the 'custom' rule fails due
to the bash-tastic for-loop syntax. I have replaced it with a while
loop in the attached patch. I've tested it and it works fine.


A less important 'gotcha' is that running the custom rule means that
build dependency checks are bypassed. If the uninstalled dependency is
say lapack-dev, then a 20+ minute compile is a long time to waitto
discover it is borked. (I am sighing from personal experience).

The following test works ($$deps would be the list of build-dep
packages). I am, however, unsure how one would get $$deps from within
the rules makefile.

if test -n "$$(dpkg-query -W $$deps 2>&1 > /dev/null)"; then\
    echo "build dependencies are not fully installed";\
    echo "aborting";\
    exit 1;\
fi
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