#!/bin/sh
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# prevent shift error
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[ $# -lt 2 ] && exit 1
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version_min="$(echo ${1} | awk '{ split($1, v, "."); print v[1] v[2] }')"
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shift
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# The host python interpreter is already checked by dependencies.sh but
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# it only check if the version is at least 2.7.
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# We want to check the version number of the python3 interpreter even
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# if Buildroot is able to use any version but some packages may require
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# a more recent version.
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for candidate in "${@}" ; do
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python3=`which $candidate 2>/dev/null`
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if [ ! -x "$python3" ]; then
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continue
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fi
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version=`$python3 -V 2>&1 | awk '{ split($2, v, "."); print v[1] v[2] }'`
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if [ $version -lt $version_min ]; then
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# no suitable python3 found
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continue
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fi
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# suitable python3 found
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echo $python3
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break
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done
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