rc_include

for d in "$PKG_CONFIG" pkg-config; do
	rc_undo
	if "$d" --version >/dev/null 2>&1; then
		rc_replaceln PKG_CONFIG "$d"
		rc_replaceln HAVE_PKG_CONFIG 1
		rc_save
		exit 0
	fi
done

# Failed
rc_replaceln HAVE_PKG_CONFIG ""
rc_replaceln PKG_CONFIG ""
rc_save