Fix problems with libseccomp-2.4.2+/linux-5.4+ and the shmat() syscall in systemd.

Adapt the test suite in libxcb to check-0.13.0

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@22550 af4574ff-66df-0310-9fd7-8a98e5e911e0

general/sysutils/systemd.xml

@@ -66,17 +66,16 @@
       </listitem>
     </itemizedlist>
       
-    <!--
     <bridgehead renderas="sect3">Additional Downloads</bridgehead>
     <itemizedlist spacing="compact">
       <listitem>
         <para>
          Required patch:
-         <ulink url="&patch-root;/systemd-&systemd-version;-consolidated_fixes-2.patch"/>
+         <ulink url="&patch-root;/systemd-&systemd-version;-seccomp_and_cpuaffinity_fix-1.patch"/>
         </para>
       </listitem>
     </itemizedlist>
-    -->
+    
     <bridgehead renderas="sect3">systemd Dependencies</bridgehead>
 
     <bridgehead renderas="sect4">Required</bridgehead>
@@ -135,12 +134,16 @@
     that you do a rebuild instead.</para></warning>
     -->
 
-    <!-- No longer needed -->
-    <!--
-    <para>Apply a patch to fix several bugs discovered after release:</para>
+    <para>Apply a patch to fix problems with libseccomp-2.4.2+ and Linux-5.4+:</para>
 
-<screen><userinput remap="pre">patch -Np1 -i ../systemd-&systemd-version;-consolidated_fixes-2.patch</userinput></screen>
-    -->
+<screen><userinput remap="pre">patch -Np1 -i ../systemd-&systemd-version;-seccomp_and_cpuaffinity_fix-1.patch</userinput></screen>
+
+    <!-- The above is only needed on systems with Linux 5.4+ and libseccomp-2.4.2+
+         This fix is due to syscall changes in libseccomp+Linux 5.4+.
+         The affected syscall is shmat(), which isn't implemented properly on
+         i686, and intermittently fails on x86_64. Also, there is a problem with
+         CPU Affinity + CGroups on Linux-5.4+ that causes issues with the 
+         "test-execute" test. -->
 
     <para>Remove an unneeded group,
     <systemitem class="groupname">render</systemitem>, from the default udev

introduction/welcome/changelog.xml

@@ -45,6 +45,14 @@
     <listitem>
       <para>January 6th, 2020</para>
       <itemizedlist>
+        <listitem>
+          <para>[renodr] - Adapt the testsuite in libxcb-1.13.1 to
+          API changes in check-0.13.0 and later.</para>
+        </listitem>
+        <listitem revision="systemd">
+          <para>[renodr] - Add a patch to fix syscall problems in systemd
+          for systems with libseccomp-2.4.2+ and Linux-5.4+.</para>
+        </listitem>
         <listitem>
           <para>[bdubbs] - Update to seahorse-3.34.1. Fixes
           <ulink url="&blfs-ticket-root;12985">#12985</ulink>.</para>

x/installing/libxcb.xml

@@ -113,6 +113,14 @@
             --docdir='${datadir}'/doc/libxcb-&libxcb-version; &&
 make</userinput></screen>
 
+    <para>
+      If you wish to run the tests, adapt the test suite to Check-0.13.0+
+      using the following commands:
+    </para>
+
+<screen><userinput>sed -i "s/TFun tf/const TTest *tt/" tests/check_all.c tests/check_suites.h &amp;&amp;
+sed -i "s/tcase_add_test(tc, tf);/tcase_add_test(tc, tt);/" tests/check_all.c</userinput></screen>
+
     <para>To test the results, issue: <command>make check</command>.</para>
 
     <para>Now, as the <systemitem class="username">root</systemitem> user:</para>