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document the dependency on jemalloc

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updated README and PLATFORMS with new text on build requirements.
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Evan Hunt 2021-05-22 10:40:00 -07:00 committed by Ondřej Surý
parent 2ce0de6995
commit 6591786102
2 changed files with 21 additions and 12 deletions
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19
PLATFORMS.md
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@ -12,8 +12,13 @@
In general, this version of BIND will build and run on any POSIX-compliant
system with a C11-compliant C compiler, BSD-style sockets with RFC-compliant
IPv6 support, POSIX-compliant threads, the `libuv` asynchronous I/O library,
the OpenSSL cryptography library, and the `nghttp2` HTTP/2 library.
IPv6 support, and POSIX-compliant threads, plus the following mandatory
libraries:
- `libuv` for asynchronous I/O operations and event loops
- `libssl` and `libcrpyto` from OpenSSL for cryptography
- `libjemalloc` for memory allocation
- `libnghttp2` for HTTP/2
The following C11 features are used in BIND 9:
@ -31,13 +36,17 @@ some of the older systems listed below, you will have to install an updated
updated packages. The other option is to build and install `libuv` from
source.
Certain optional BIND features have additional library dependencies:
Certain optional BIND features have additional library dependencies.
These include:
* `libfstrm` and `libprotobuf-c` for DNSTAP
* `libidn2` for internationalized domain name conversion.
* `libidn2` for display of internationalized domain names in `dig`
* `libjson-c` for JSON statistics
* `libmaxminddb` for geolocation
* `libnghttp2` for DNS over HTTPS
* `libxml2` and `libjson-c` for statistics channel
* `libxml2` for XML statistics
* `libz` for compression of the HTTP statistics channel
* `readline` for line editing in `nsupdate` and `nslookup`
ISC regularly tests BIND on many operating systems and architectures, but
lacks the resources to test all of them. Consequently, ISC is only able to

14
README.md
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@ -125,13 +125,13 @@ including your patch as an attachment, preferably generated by
At a minimum, BIND requires a Unix or Linux system with an ANSI C compiler,
basic POSIX support, and a 64-bit integer type. BIND also requires the
`libuv` asynchronous I/O library, the `nghttp2` HTTP/2 library, and a
cryptography provider library such as OpenSSL or a hardware service
module supporting PKCS#11. On Linux, BIND requires the `libcap` library
to set process privileges, though this requirement can be overridden by
disabling capability support at compile time. See [Compile-time
options](#opts) below for details on other libraries that may be
required to support optional features.
`libuv` asynchronous I/O library, the `nghttp2` HTTP/2 library, the
`jemalloc` memory allocation library, and the OpenSSL cryptography
library. On Linux, BIND requires the `libcap` library to set process
privileges, though this requirement can be overridden by disabling
capability support at compile time. See [Compile-time options](#opts)
below for details on other libraries that may be required to support
optional features.
Successful builds have been observed on many versions of Linux and
Unix, including RHEL/CentOS, Fedora, Debian, Ubuntu, SLES, openSUSE,