util: extend unhexmem() to accept secure flag

[thirdparty/systemd.git] / README

diff --git a/README b/README
index 25646ac22e72339ad72f21fd731d8e79a98594dd..c6523193fab91505001d27520e6d0e2451f350a1 100644 (file)
--- a/README
+++ b/README
@@ -148,20 +148,25 @@ REQUIREMENTS:
         libacl (optional)
         libselinux (optional)
         liblzma (optional)
         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)
         libgcrypt (optional)
         libqrencode (optional)
         libmicrohttpd (optional)
         libpython (optional)
         libidn2 or libidn (optional)

+        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)
         elfutils >= 158 (optional)
         polkit (optional)

+        tzdata >= 2014f (optional)

         pkg-config
         gperf
         docbook-xsl (optional, required for documentation)
         xsltproc    (optional, required for documentation)
         python-lxml (optional, required to build the indices)
         pkg-config
         gperf
         docbook-xsl (optional, required for documentation)
         xsltproc    (optional, required for documentation)
         python-lxml (optional, required to build the indices)

-        python, meson, 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
         gcc, awk, sed, grep, m4, and similar tools
 
         During runtime, you need the following additional


@@ -172,7 +177,7 @@ REQUIREMENTS:
                 NOTE: If using dbus < 1.9.18, you should override the default
                 policy directory (--with-dbuspolicydir=/etc/dbus-1/system.d).
         dracut (optional)
                 NOTE: If using dbus < 1.9.18, you should override the default
                 policy directory (--with-dbuspolicydir=/etc/dbus-1/system.d).
         dracut (optional)

-        PolicyKit (optional)
+        polkit (optional)

 
         To build in directory build/:
           meson build/ && ninja -C build
 
         To build in directory build/:
           meson build/ && ninja -C build


@@ -204,10 +209,12 @@ REQUIREMENTS:
         make use of DynamicUser= now, hence enabling nss-systemd is not
         optional.
 
         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)
 
         Additional packages are necessary to run some tests:
         - busybox            (used by test/TEST-13-NSPAWN-SMOKE)


@@ -237,9 +244,6 @@ USERS AND GROUPS:
         exist. During execution this network facing service will drop
         privileges and assume this uid/gid for security reasons.
 
         exist. During execution this network facing service will drop
         privileges and assume this uid/gid for security reasons.
 

-        Similarly, the NTP daemon requires the "systemd-timesync" system
-        user and group to exist.
-

         Similarly, the network management daemon requires the
         "systemd-network" system user and group to exist.
 
         Similarly, the network management daemon requires the
         "systemd-network" system user and group to exist.
 


@@ -275,7 +279,7 @@ NSS:
 
                 passwd: compat mymachines systemd
                 group: compat mymachines systemd
 
                 passwd: compat mymachines systemd
                 group: compat mymachines systemd

-                hosts: files mymachines resolve myhostname
+                hosts: files mymachines resolve [!UNAVAIL=return] dns myhostname

 
 SYSV INIT.D SCRIPTS:
         When calling "systemctl enable/disable/is-enabled" on a unit which is a
 
 SYSV INIT.D SCRIPTS:
         When calling "systemctl enable/disable/is-enabled" on a unit which is a


@@ -306,16 +310,14 @@ WARNINGS:
         For more information on this issue consult
         https://www.freedesktop.org/wiki/Software/systemd/separate-usr-is-broken
 
         For more information on this issue consult
         https://www.freedesktop.org/wiki/Software/systemd/separate-usr-is-broken
 

-        To run systemd under valgrind, compile with VALGRIND defined
-        (e.g. CPPFLAGS='... -DVALGRIND=1' meson <options>) and have valgrind
-        development headers installed (i.e. valgrind-devel or
-        equivalent). Otherwise, false positives will be triggered by code which
-        violates some rules but is actually safe. Note that valgrind generates
-        nice output only on exit(), hence on shutdown we don't execve()
-        systemd-shutdown.
-
-STABLE BRANCHES AND BACKPORTS
+        To run systemd under valgrind, compile with meson option
+        -Dvalgrind=true and have valgrind development headers installed
+        (i.e. valgrind-devel or equivalent). Otherwise, false positives will be
+        triggered by code which violates some rules but is actually safe. Note
+        that valgrind generates nice output only on exit(), hence on shutdown
+        we don't execve() systemd-shutdown.

 
 

+STABLE BRANCHES AND BACKPORTS:

        Stable branches with backported patches are available in the
        systemd-stable repo at https://github.com/systemd/systemd-stable.
 
        Stable branches with backported patches are available in the
        systemd-stable repo at https://github.com/systemd/systemd-stable.