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23 lines
380 B
Bash
23 lines
380 B
Bash
set -e
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if [ "$#" -lt 3 ] ; then
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printf 'usage: %s var out command...\n' "$0" >&2
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exit 2
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fi
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var=$1
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out=$2
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shift 2
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for size in 8 4 2 1 ; do
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echo "==> trying $var=$size..." >&2
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if "$@" -D "$var=$size" ; then
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echo '==> success' >&2
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echo "#define $var $size" >"$out"
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exit 0
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fi
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done 2>"$out.log"
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cat "$out.log"
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printf "%s: could not determine %s\n" "$0" "$var" >&2
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exit 1
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