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#!/bin/sh
set -e
# ccache breaks if it sees CCACHE_DIR="", yet due to clumsiness of
# /usr/bin/env, it's hard to avoid setting env vars for the parent;
# unset them if they're empty
if [ -z "$CCACHE_DIR" ]; then
unset CCACHE_DIR
fi
if [ -z "$CC" ]; then
unset CC
fi
if [ -z "$CXX" ]; then
unset CXX
fi
exec "$@"
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