This commit adds two new autoconf options `--enable-doh` (enabled by
default) and `--with-libnghttp2` (mandatory when DoH is enabled).
When DoH support is disabled the library is not linked-in and support
for http(s) protocol is disabled in the netmgr, named and dig.
The requirements for BIND 9.17+ now requires C11 support from the
compiler, so we can safely drop most of the stdatomic.h shims from
lib/isc/unix/include/stdatomic.h.
This commit removes support for clang atomic builtins (clang >= 3.6.0
includes stdatomic.h header) and for Gcc __sync builtins.
The only compatibility shim that remains is support for __atomic
builtins for Gcc >= 4.7.0 since CentOS 7 still includes only Gcc 4.8.1
and the proper stdatomic.h header was only introduced in Gcc >= 4.9.
The Windows support has been completely removed from the source tree
and BIND 9 now no longer supports native compilation on Windows.
We might consider reviewing mingw-w64 port if contributed by external
party, but no development efforts will be put into making BIND 9 compile
and run on Windows again.
Ubuntu 16.04 (Xenial Xerus) is reaching End of Standard Support in April
2021 thus we are removing it from the list of supported platforms and
replacing it with Ubuntu 18.04 LTS (Bionic Beaver).
Since OpenBSD 6.6 is the current OpenBSD release, replace OpenBSD 6.5
GitLab CI jobs with their up-to-date counterparts.
As CI jobs for OpenBSD 6.6 will be run by a generalized libvirt executor
rather than an OpenBSD-specific one, make the necessary tag and variable
adjustments as well.
- Change 5023 (present in BIND 9.13.3+) removed BIND's internal
implementation of the getifaddrs() function which was required for
iterating network interfaces on Solaris 10 as that system does not
support that function natively.
- As of January 2019, FreeBSD 10.x is neither supported upstream nor
regularly tested by ISC, so move it from the list of regularly tested
platforms to the "Best effort" section.
- Debian 10, OpenBSD 6.3, and Fedora 29 have been released and are now
tested regularly.
