# Check for CMake invalid option warnings

cmake_warn_check() {
	if [[ -n ${PORTAGE_LOG_FILE} && -r ${PORTAGE_LOG_FILE} ]] ; then
		local cat=cat
		[[ ${PORTAGE_LOG_FILE} == *.gz ]] && cat=zcat

		local vars=()
		while read -r l; do
			vars+=( "${l}" )
		done < <( "${cat}" "${PORTAGE_LOG_FILE}" \
			| sed -n -e '/Manually-specified variables were not used by the project/,/^--/{/^    /p}' \
			| LC_ALL=C sort -u)

		if [[ ${vars} ]]; then
			eqawarn "One or more CMake variables were not used by the project:"
			local v
			for v in "${vars[@]}"; do
				eqawarn "  ${v}"
			done
		fi
	fi
}

cmake_warn_check
: # guarantee successful exit

# vim:ft=sh