if test "${have_lto}" = "yes"; then
oCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -flto ${OPTIONAL_MATH_CLFAGS} ${OPTIONAL_NFACCT_CLFAGS} ${OPTIONAL_ZLIB_CLFAGS} ${OPTIONAL_UUID_CLFAGS} ${OPTIONAL_LIBCAP_CFLAGS} ${OPTIONAL_IPMIMONITORING_CFLAGS}"
if test "${have_lto}" = "yes"; then
oCFLAGS="${CFLAGS}"
CFLAGS="${CFLAGS} -flto ${OPTIONAL_MATH_CLFAGS} ${OPTIONAL_NFACCT_CLFAGS} ${OPTIONAL_ZLIB_CLFAGS} ${OPTIONAL_UUID_CLFAGS} ${OPTIONAL_LIBCAP_CFLAGS} ${OPTIONAL_IPMIMONITORING_CFLAGS}"
fi
test "${enable_lto}" = "yes" -a "${have_lto}" != "yes" && \
AC_MSG_ERROR([LTO is required but is not available.])
fi
test "${enable_lto}" = "yes" -a "${have_lto}" != "yes" && \
AC_MSG_ERROR([LTO is required but is not available.])