Changeset 7c57f82

Timestamp:

07/23/2019 07:11:52 PM (5 years ago)

Author:

Ken Moffat <ken@…>

Branches:

10.0, 10.1, 11.0, 11.1, 11.2, 11.3, 12.0, 12.1, 9.0, 9.1, kea, ken/TL2024, ken/inkscape-core-mods, ken/tuningfonts, lazarus, lxqt, plabs/newcss, plabs/python-mods, python3.11, qt5new, rahul/power-profiles-daemon, renodr/vulkan-addition, trunk, upgradedb, xry111/intltool, xry111/llvm18, xry111/soup3, xry111/test-20220226, xry111/xf86-video-removal

Children:

563e0d6

Parents:

d2beee42

Message:

Document some options for python3 and for libreoffice.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@21853 af4574ff-66df-0310-9fd7-8a98e5e911e0

Files:

• general.ent (modified) (2 diffs)
• general/prog/python3.xml (modified) (1 diff)
• introduction/welcome/changelog.xml (modified) (1 diff)
• xsoft/office/libreoffice.xml (modified) (1 diff)

general.ent

@@ -1 +1 @@
 <!-- $LastChangedBy$ $Date$ -->
 
-<!ENTITY day          "22">                   <!-- Always 2 digits -->
+<!ENTITY day          "23">                   <!-- Always 2 digits -->
 <!ENTITY month        "07">                   <!-- Always 2 digits -->
 <!ENTITY year         "2019">
@@ -7 +7 @@
 <!ENTITY copyholder   "The BLFS Development Team">
 <!ENTITY version      "&year;-&month;-&day;">
-<!ENTITY releasedate  "July 22nd, &year;">
+<!ENTITY releasedate  "July 23rd, &year;">
 <!ENTITY pubdate      "&year;-&month;-&day;"> <!-- metadata req. by TLDP -->
 <!ENTITY blfs-version "svn">                  <!-- svn|[release #] -->

general/prog/python3.xml

@@ -179 +179 @@
       against <application>Berkeley DB</application> instead of
       <application>GDBM</application>.
+    </para>
+
+    <para>
+      <option>--enable-optimization</option>: Use this switch
+      if you want to enable <emphasis>expensive</emphasis> optimizations (i.e.
+      Profile Guided Optimizations). This adds around 20 SBU, but can
+      <emphasis>slightly</emphasis> speed up some uses, such as using
+      <application>Sphinx</application> for creating documentation, or use of
+      <application>Python3</application> scripts.
+    </para>
+
+    <para>
+      <option>--with-lto</option>: This optional switch enables thick Link
+      Time Optimization. Unusually, it creates a much larger <filename
+      class="libraryfile">/usr/lib/python3.7/config-3.7m-x86_64-linux-gnu/libpython3.7m.a</filename>
+      with a small increase in the time to compile
+      <application>Python</application>. Run-time results do not appear to show
+      any benefit from doing this.
     </para>
 

introduction/welcome/changelog.xml

@@ -42 +42 @@
     </listitem>
     -->
+    <listitem>
+      <para>July 23rd, 2019</para>
+      <itemizedlist>
+        <listitem>
+          <para>[ken] - Document some optional configure switches for Python3
+          and libreoffice.</para>
+        </listitem>
+      </itemizedlist>
+    </listitem>
+ 
 
     <listitem>

xsoft/office/libreoffice.xml

@@ -642 +642 @@
 
     <para>
+      <option>--enable-lto</option>: This switch will enable Link Time
+      Optimization, which results in slightly smaller libraries (about 40 MB).
+      This is said to make <application>LibreOffice</application> programs
+      load faster (and possibly run faster, e.g. when recalculating a
+      spreadsheet). On an 8-core machine with 16GB of memory, the difference
+      in compile times was minimal, but an extra 2GB was used for the work
+      files. On machines with fewer processors or a lack of memory, the compile
+      might be much slower.
+    </para>
+
+    <para>
       <option>--without-java</option>: This switch disables
       <application>Java</application> support in