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#! /bin/bash
waf=waf-1.9.3
p2=${PYTHON:-${PYTHON2:-python2.7}}
p3=${PYTHON3:-python3}
# try Pythons which can load waf
if $p2 $waf --help &> /dev/null; then
$p2 $waf $@
elif $p3 $waf --help &> /dev/null; then
$p3 $waf $@
# waf can't be loaded, print the error with available Python
elif which $p2 &> /dev/null; then
$p2 $waf $@
elif which $p3 &> /dev/null; then
$p3 $waf $@
# no Python available
else
echo Required Python 2.7 or 3
exit 1
fi
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