*) AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
esac])dnl
-build_warnings="-W -Wall"
+build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
AC_ARG_ENABLE(build-warnings,
[ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
[case "${enableval}" in