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33 lines
2.2 KiB
Markdown
33 lines
2.2 KiB
Markdown
<!--
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- Copyright (C) 2017 Internet Systems Consortium, Inc. ("ISC")
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-
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- Permission to use, copy, modify, and/or distribute this software for any
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- purpose with or without fee is hereby granted, provided that the above
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- copyright notice and this permission notice appear in all copies.
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-
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- THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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- REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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- AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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- INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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- LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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- OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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- PERFORMANCE OF THIS SOFTWARE.
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-->
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Setting the `STD_CDEFINES` environment variable before running `configure`
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can be used to enable certain compile-time options that are not explicitly
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defined in `configure`.
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Some of these settings are:
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|Setting |Description |
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|-----------------------------------|----------------------------------------|
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|`-DISC_MEM_FILL=0`|Don't ovewrite memory when allocating or freeing it; this improves performance but makes debugging more difficult.|
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|`-DISC_MEM_TRACKLINES=0`|Don't track memory allocations by file and line number; this improves performance but makes debugging more difficult.|
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|<nobr>`-DISC_FACILITY=LOG_LOCAL0`</nobr>|Change the default syslog facility for `named`|
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|`-DNS_CLIENT_DROPPORT=0`|Disable dropping queries from particular well-known ports:|
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|`-DCHECK_SIBLING=0`|Don't check sibling glue in `named-checkzone`|
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|`-DCHECK_LOCAL=0`|Don't check out-of-zone addresses in `named-checkzone`|
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|`-DNS_RUN_PID_DIR=0`|Create default PID files in `${localstatedir}/run` rather than `${localstatedir}/run/{named,lwresd}/`|
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|`-DDIG_SIGCHASE=1`|Enable DNSSEC signature chasing support in `dig`. (Note: This feature is deprecated. Use `delv` instead.)|
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|`-DNS_RPZ_MAX_ZONES=64`|Increase the maximum number of configurable response policy zones from 32 to 64; this is the highest possible setting|
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|`-DISC_HEAP_CHECK`|Test heap consistency after every heap operation; used when debugging|
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