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#!/usr/bin/env bash
set -e
set -o pipefail
if ! [ `uname -s` = 'Linux' ] || \
! command -v readelf > /dev/null || \
! command -v c++filt > /dev/null; then
echo -n "OFF"
exit 0
fi
# check-cxx11abi.dat is a binary just so we can use the loader
# to take care of finding the libstdc++ which can be tricky.
LIBSTDCPP=$(ldd $(dirname $0)/check-cxx11abi.dat |grep libstdc++ |cut -d' ' -f3)
if [ $(readelf -Ws $LIBSTDCPP |c++filt |grep -c ::__cxx11::) -gt 0 ]; then
echo -n "ON"
else
echo -n "OFF"
fi
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