Commit c62748c9 authored by Ondřej Surý's avatar Ondřej Surý

Update PLATFORMS.md to explicitly list Thread Local Storage as requirement for BIND 9

parent b1a7ec74
Pipeline #27070 failed with stages
in 15 minutes and 18 seconds
......@@ -5,16 +5,28 @@ Supported platforms
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, and the OpenSSL cryptography library. Atomic
operations support from the compiler is needed, either in the form of
builtin operations, C11 atomics, or the Interlocked family of functions on
Windows.
asynchronous I/O library, and the OpenSSL cryptography library.
BIND 9.15 requires fairly recent version of libuv library to run (>= 1.x).
For some of the older systems listed below, you will have to install
updated libuv package from sources such as EPEL, PPA and other native
sources for updated packages. The other option is to install libuv from
sources.
The following C11 features are used in BIND 9:
* Atomic operations support from the compiler is needed, either in the
form of builtin operations, C11 atomics, or the Interlocked family of
functions on Windows.
* Thread Local Storage support from the compiler is needed, either in
the form of C11 _Thread_local/thread_local, the __thread GCC
extension, or the __declspec(thread) MSVC extension on Windows.
BIND 9.15 requires a fairly recent version of libuv (at least 1.x). For
some of the older systems listed below, you will have to install an
updated libuv package from sources such as EPEL, PPA, or other native
sources for updated packages. The other option is to build and install
libuv from source.
Certain optional BIND features have additional library dependencies. These
include libxml2 and libjson-c for statistics, libmaxminddb for
geolocation, libfstrm and libprotobuf-c for DNSTAP, and libidn2 for
internationalized domain name conversion.
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
......@@ -58,10 +70,10 @@ Server 2012 R2, none of these are tested regularly by ISC.
Community maintained
These systems may not all have easily available the required dependencies
for building BIND although it will be possible in many cases to compile
These systems may not all have the required dependencies for building BIND
easily available, although it will be possible in many cases to compile
those directly from source. The community and interested parties may wish
to help with maintenance and we welcome patch contributions, although we
to help with maintenance, and we welcome patch contributions, although we
cannot guarantee that we will accept them. All contributions will be
assessed against the risk of adverse effect on officially supported
platforms.
......@@ -84,6 +96,4 @@ These are platforms on which BIND 9.15 is known not to build or run:
* Platforms that don't support atomic operations (via compiler or
library)
* Linux without NPTL (Native POSIX Thread Library)
* Platforms where libuv cannot be compiled
Platform quirks
* Platforms on which libuv cannot be compiled
......@@ -13,9 +13,17 @@
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,
and the OpenSSL cryptography library. Atomic operations support from the
compiler is needed, either in the form of builtin operations, C11 atomics,
or the `Interlocked` family of functions on Windows.
and the OpenSSL cryptography library.
The following C11 features are used in BIND 9:
* Atomic operations support from the compiler is needed, either in the form of
builtin operations, C11 atomics, or the `Interlocked` family of functions on
Windows.
* Thread Local Storage support from the compiler is needed, either in the form
of C11 `_Thread_local`/`thread_local`, the `__thread` GCC extension, or
the `__declspec(thread)` MSVC extension on Windows.
BIND 9.15 requires a fairly recent version of `libuv` (at least 1.x). For
some of the older systems listed below, you will have to install an updated
......
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