Merge pull request #11714 from poettering/final-news-241

[thirdparty/systemd.git] / README

diff --git a/README b/README
index 61a1fd45bfe1c3536eb841ff4e74d50755ade6ad..419f0adb739c38ddc7df80541b637fb07d4fe260 100644 (file)
--- a/README
+++ b/README
@@ -148,13 +148,14 @@ REQUIREMENTS:
         libacl (optional)
         libselinux (optional)
         liblzma (optional)
-        liblz4 >= 119 (optional)
+        liblz4 >= 1.3.0 / 130 (optional)
         libgcrypt (optional)
         libqrencode (optional)
         libmicrohttpd (optional)
         libpython (optional)
         libidn2 or libidn (optional)
-        gnutls >= 3.1.4 (optional, >= 3.5.3 is necessary to support DNS-over-TLS)
+        gnutls >= 3.1.4 (optional, >= 3.5.3 is required to support DNS-over-TLS with gnutls)
+        openssl >= 1.1.0 (optional, required to support DNS-over-TLS with openssl)
         elfutils >= 158 (optional)
         polkit (optional)
         pkg-config
@@ -162,7 +163,9 @@ REQUIREMENTS:
         docbook-xsl (optional, required for documentation)
         xsltproc    (optional, required for documentation)
         python-lxml (optional, required to build the indices)
-        python >= 3.4, meson >= 0.44, ninja
+        python >= 3.5
+        meson >= 0.46 (>= 0.49 is required to build position-independent executables)
+        ninja
         gcc, awk, sed, grep, m4, and similar tools
 
         During runtime, you need the following additional
@@ -205,10 +208,12 @@ REQUIREMENTS:
         make use of DynamicUser= now, hence enabling nss-systemd is not
         optional.
 
-        Note that the build prefix for systemd must be /usr. -Dsplit-usr=false
-        (which is the default and does not need to be specified) is the
-        recommended setting, and -Dsplit-usr=true should be used on systems
-        which have /usr on a separate partition.
+        Note that the build prefix for systemd must be /usr. (Moreover,
+        packages systemd relies on — such as D-Bus — really should use the same
+        prefix, otherwise you are on your own.) -Dsplit-usr=false (which is the
+        default and does not need to be specified) is the recommended setting,
+        and -Dsplit-usr=true should be used on systems which have /usr on a
+        separate partition.
 
         Additional packages are necessary to run some tests:
         - busybox            (used by test/TEST-13-NSPAWN-SMOKE)