Changeset f4facc4 for chapter07

Timestamp:

09/23/2022 04:06:19 PM (22 months ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

xry111/arm64, xry111/arm64-12.0

Children:

44784c1

Parents:

c6df98a1 (diff), 10d7c7a8 (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

Location:

chapter07

Files:

• cleanup.xml (modified) (2 diffs)
• createfiles.xml (modified) (2 diffs)
• kernfs.xml (modified) (1 diff)

chapter07/cleanup.xml

@@ -19 +19 @@
 <screen><userinput>rm -rf /usr/share/{info,man,doc}/*</userinput></screen>
 
-    <para>Second, the libtool .la files are only useful when linking with static
-    libraries. They are unneeded and potentially harmful when using dynamic
-    shared libraries, especially when using non-autotools build systems.
-    While still in chroot, remove those files now:</para>
+    <para>Second, on a modern Linux system, the libtool .la files are only
+    useful for libltdl.  No libraries in LFS are expected to be loaded by
+    libltdl, and it's known that some .la files can cause BLFS packages
+    fail to build.  Remove those files now:</para>
 
 <screen><userinput>find /usr/{lib,libexec} -name \*.la -delete</userinput></screen>
@@ -96 +96 @@
     <para>Before making a backup, unmount the virtual file systems:</para>
 
-<screen role="nodump"><userinput>umount $LFS/dev/pts
+<screen role="nodump"><userinput>mountpoint -q $LFS/dev/shm &amp;&amp; umount $LFS/dev/shm
+umount $LFS/dev/pts
 umount $LFS/{sys,proc,run,dev}</userinput></screen>
 

chapter07/createfiles.xml

@@ -49 +49 @@
 
 <screen><userinput>cat &gt; /etc/hosts &lt;&lt; EOF
-127.0.0.1  localhost $(hostname)
-::1        localhost
+<literal>127.0.0.1  localhost $(hostname)
+::1        localhost</literal>
 EOF</userinput></screen>
 
@@ -163 +163 @@
   distributions. In addition, some test suites rely on specific users or
   groups.  The Linux Standard Base (LSB, available at <ulink
-  url="http://refspecs.linuxfoundation.org/lsb.shtml"/>) only recommends that,
+  url="https://refspecs.linuxfoundation.org/lsb.shtml"/>) only recommends that,
   besides the group <systemitem class="groupname">root</systemitem> with a
   Group ID (GID) of 0, a group <systemitem class="groupname">bin</systemitem>

chapter07/kernfs.xml

@@ -90 +90 @@
       directory needs to be created.</para>
 
+      <para>In other cases <filename>/dev/shm</filename> is a mountpoint 
+      for a tmpfs. In that case the mount of /dev above will only create
+      /dev/shm in the chroot environment as a directory. In this situation
+      we explicitly mount a tmpfs,</para>
+
 <screen><userinput>if [ -h $LFS/dev/shm ]; then
   mkdir -pv $LFS/$(readlink $LFS/dev/shm)
+else
+  mount -t tmpfs -o nosuid,nodev tmpfs $LFS/dev/shm
 fi</userinput></screen>