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-rw-r--r--README20
1 files changed, 20 insertions, 0 deletions
diff --git a/README b/README
index 0f848b3eb1..56614a778d 100644
--- a/README
+++ b/README
@@ -267,6 +267,26 @@ REQUIREMENTS:
- strace (used by test/test-functions)
- capsh (optional, used by test-execute)
+POLICY FOR SUPPORT OF DISTRIBUTIONS AND ARCHITECTURES:
+
+ systemd main branch and latest major or stable releases are generally
+ expected to compile on current versions of popular distributions (at
+ least all non-EOL versions of Fedora, Debian unstable/testing/stable,
+ latest Ubuntu LTS and non-LTS releases, openSUSE Tumbleweed/Leap,
+ CentoOS Stream 8 and 9, up-to-date Arch, etc.) We will generally
+ attempt to support also other non-EOL versions of various distros.
+ Features which would break compilation on slightly-older distributions
+ will only be introduced if there are significant reasons for this
+ (i.e. supporting them interferes with development or requires too many
+ resources to support). In some cases backports of specific libraries or
+ tools might be required.
+
+ The policy is similar wrt. architecture support. systemd is regularly
+ tested on popular architectures (currently amd64, i386, arm64, ppc64el,
+ and s390x), but should compile and work also on other architectures, for
+ which support has been added. systemd will emit warnings when
+ architecture-specific constants are not defined.
+
USERS AND GROUPS:
Default udev rules use the following standard system group names, which
need to be resolvable by getgrnam() at any time, even in the very early