X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=README;h=a4cbeaebd33174065aa31bea59d284e5996e23d9;hp=c58fbcbcff2976493fc48c658279d5d1746b03d9;hb=cd0504d0a13d8297b97c9238fd1b94b4141c5aa8;hpb=673eab9bf0d2d79a72f3d7c430807b8786de7ee3

diff --git a/README b/README
index c58fbcbcf..a4cbeaebd 100644
--- a/README
+++ b/README
@@ -30,8 +30,11 @@ LICENSE:
         GPLv2+ for all code, except sd-daemon.[ch] which is MIT
 
 REQUIREMENTS:
-        Linux kernel >= 2.6.30 (with devtmpfs, cgroups; optional but strongly recommended: autofs4, ipv6)
-        libudev >= 163
+        Linux kernel >= 2.6.39
+                with devtmpfs
+                with cgroups (but it's OK to disable all controllers)
+                optional but strongly recommended: autofs4, ipv6
+        libudev >= 172
         dbus >= 1.4.0
         libcap
         gtk+ >= 2.20 (optional)
@@ -50,6 +53,7 @@ REQUIREMENTS:
         automake
         autoconf
         libtool
+        gperf
         make, gcc, and similar tools
 
         During runtime you need the following dependencies:
@@ -67,6 +71,11 @@ REQUIREMENTS:
         add a dependency on nss-myhostname to the package that
         includes systemd-hostnamed.
 
+        Note that D-Bus can link against libsystemd-login.so, which
+        results in a cyclic build dependency. To accomodate for this
+        please build D-Bus without systemd first, then build systemd,
+        then rebuild D-Bus with systemd support.
+
 WARNINGS:
         systemd will warn you during boot if /etc/mtab is not a
         symlink to /proc/mounts. Please ensure that /etc/mtab is a