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Diffstat (limited to 'OPTIONS.md')
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diff --git a/OPTIONS.md b/OPTIONS.md new file mode 100644 index 0000000..acdcaf8 --- /dev/null +++ b/OPTIONS.md @@ -0,0 +1,29 @@ +<!-- +Copyright (C) Internet Systems Consortium, Inc. ("ISC") + +SPDX-License-Identifier: MPL-2.0 + +This Source Code Form is subject to the terms of the Mozilla Public +License, v. 2.0. If a copy of the MPL was not distributed with this +file, you can obtain one at https://mozilla.org/MPL/2.0/. + +See the COPYRIGHT file distributed with this work for additional +information regarding copyright ownership. +--> +Setting the `CPPFLAGS` environment variable before running `configure` +can be used to enable certain compile-time options that are not +explicitly defined in `configure`. + +Some of these settings are: + +| Setting | Description | +| ---------------------------- | -------------------------------------------------------------------------------------------------------------------------------------- | +| `-DCHECK_LOCAL=0` | Don't check out-of-zone addresses in `named-checkzone` | +| `-DCHECK_SIBLING=0` | Don't check sibling glue in `named-checkzone` | +| `-DISC_FACILITY=LOG_LOCAL0` | Change the default syslog facility for `named` | +| `-DISC_HEAP_CHECK` | Test heap consistency after every heap operation; used when debugging | +| `-DISC_MEM_DEFAULTFILL=1` | Overwrite memory with tag values when allocating or freeing it; this impairs performance but makes debugging of memory problems easier | +| `-DISC_MEM_TRACKLINES=0` | Don't track memory allocations by file and line number; this improves performance but makes debugging more difficult | +| `-DNAMED_RUN_PID_DIR=0` | Create default PID files in `${localstatedir}/run` rather than `${localstatedir}/run/named/` | +| `-DNS_CLIENT_DROPPORT=0` | Disable dropping queries from particular well-known ports | +| `-DOPENSSL_API_COMPAT=10100` | Build using the deprecated OpenSSL APIs so that the `engine` API is available when building with OpenSSL 3.0.0 for PKCS#11 support | |