Changeset 7160772 for chapter02

Timestamp:

03/08/2023 12:03:55 PM (19 months ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

xry111/arm64, xry111/arm64-12.0

Children:

70f30e9

Parents:

95105f3 (diff), 835e40c (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge remote-tracking branch 'origin/trunk' into xry111/arm64

File:

• chapter02/hostreqs.xml (modified) (2 diffs)

chapter02/hostreqs.xml

@@ -105 +105 @@
       compiling the kernel and configuring the boot loader (assuming the host
       uses GRUB) are located in <xref linkend="chapter-bootable"/>.</para>
+
+      <para>We require the host kernel to support UNIX 98 pseudo terminal
+      (PTY).  It should be enabled on all desktop or server distros shipping
+      Linux &min-kernel; or a newer kernel. If you are building a custom
+      host kernel, ensure <option>CONFIG_UNIX98_PTYS</option> is set to
+      <literal>y</literal> in the kernel configuration.</para>
 
     </listitem>
@@ -231 +237 @@
 ver_kernel &min-kernel;
 
+if mount | grep -q 'devpts on /dev/pts' &amp;&amp; [ -e /dev/ptmx ]
+then echo "OK:    Linux Kernel supports UNIX 98 PTY";
+else echo "ERROR: Linux Kernel does NOT support UNIX 98 PTY"; fi
+
 alias_check() {
    if $1 --version 2>&amp;1 | grep -qi $2