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#!/bin/bash
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# Runs a make target on all inputs at once.
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# Creates a job in the calling shell for each process.
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# Must be run from the root svn directory.
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with_all_main ()
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{
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    local self="${BASH_SOURCE[0]}"
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    local selfDir="$(dirname -- "$self")"
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    # Was run without initial ".", or with insufficient parameters
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    if test "${BASH_LINENO[1]}" = 0 -o "$#" -lt 1; then
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        echo "Usage: [all=1;] . $self make_target [vars...] (note initial \".\")"\
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        |fold -s >&2
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        return 2
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    fi
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    if test -n "$all"; then inputs=(inputs/{.[^s.],}*/) # exclude ., .., .svn
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    else inputs=(inputs/*/)
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    fi
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    for input in "${inputs[@]}"; do
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        eval "make ${input}$* &"
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        disown -h "$(jobs|tail -1|"$selfDir/jobspecs")" # ignore SIGHUP
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        sleep 2 # wait for initial output so that outputs don't become jumbled
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    done
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}
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with_all_main "$@"
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