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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 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 system with a C11-compliant C compiler, BSD-style sockets with RFC-compliant
IPv6 support, POSIX-compliant threads, the `libuv` asynchronous I/O library, IPv6 support, and POSIX-compliant threads, plus the following mandatory
the OpenSSL cryptography library, and the `nghttp2` HTTP/2 library. 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: 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 updated packages. The other option is to build and install `libuv` from
source. 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 * `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 * `libmaxminddb` for geolocation
* `libnghttp2` for DNS over HTTPS * `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 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 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, 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 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 `libuv` asynchronous I/O library, the `nghttp2` HTTP/2 library, the
cryptography provider library such as OpenSSL or a hardware service `jemalloc` memory allocation library, and the OpenSSL cryptography
module supporting PKCS#11. On Linux, BIND requires the `libcap` library library. On Linux, BIND requires the `libcap` library to set process
to set process privileges, though this requirement can be overridden by privileges, though this requirement can be overridden by disabling
disabling capability support at compile time. See [Compile-time capability support at compile time. See [Compile-time options](#opts)
options](#opts) below for details on other libraries that may be below for details on other libraries that may be required to support
required to support optional features. optional features.
Successful builds have been observed on many versions of Linux and Successful builds have been observed on many versions of Linux and
Unix, including RHEL/CentOS, Fedora, Debian, Ubuntu, SLES, openSUSE, Unix, including RHEL/CentOS, Fedora, Debian, Ubuntu, SLES, openSUSE,