+ # Most likely the CFLAGS already contain -O2 because that is autoconf's default.
+ # We still add it here because passing it twice is not an issue, and handling
+ # this case would just add unnecessary complexity (see #896).
+ SECP_CFLAGS="-O2 $SECP_CFLAGS"
+ SECP_CFLAGS_FOR_BUILD="-O2 $SECP_CFLAGS_FOR_BUILD"