Author: ken
Date: Tue Jul 23 12:11:52 2019
New Revision: 21853
Log:
Document some options for python3 and for libreoffice.
Modified:
trunk/BOOK/general.ent
trunk/BOOK/general/prog/python3.xml
trunk/BOOK/introduction/welcome/changelog.xml
trunk/BOOK/xsoft/office/libreoffice.xml
Modified: trunk/BOOK/general.ent
==============================================================================
--- trunk/BOOK/general.ent Mon Jul 22 17:40:04 2019 (r21852)
+++ trunk/BOOK/general.ent Tue Jul 23 12:11:52 2019 (r21853)
@@ -1,12 +1,12 @@
<!-- $LastChangedBy$ $Date$ -->
-<!ENTITY day "22"> <!-- Always 2 digits -->
+<!ENTITY day "23"> <!-- Always 2 digits -->
<!ENTITY month "07"> <!-- Always 2 digits -->
<!ENTITY year "2019">
<!ENTITY copyrightdate "2001-&year;">
<!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 #] -->
<!ENTITY lfs-version "development"> <!-- x.y|development -->
Modified: trunk/BOOK/general/prog/python3.xml
==============================================================================
--- trunk/BOOK/general/prog/python3.xml Mon Jul 22 17:40:04 2019 (r21852)
+++ trunk/BOOK/general/prog/python3.xml Tue Jul 23 12:11:52 2019 (r21853)
@@ -181,6 +181,24 @@
</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>
+
+ <para>
<command>chmod ...</command>: Fix permissions for shared libraries to be
consistent with other libraries.
</para>
Modified: trunk/BOOK/introduction/welcome/changelog.xml
==============================================================================
--- trunk/BOOK/introduction/welcome/changelog.xml Mon Jul 22 17:40:04
2019 (r21852)
+++ trunk/BOOK/introduction/welcome/changelog.xml Tue Jul 23 12:11:52
2019 (r21853)
@@ -41,6 +41,16 @@
</itemizedlist>
</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>
<para>July 22nd, 2019</para>
Modified: trunk/BOOK/xsoft/office/libreoffice.xml
==============================================================================
--- trunk/BOOK/xsoft/office/libreoffice.xml Mon Jul 22 17:40:04 2019
(r21852)
+++ trunk/BOOK/xsoft/office/libreoffice.xml Tue Jul 23 12:11:52 2019
(r21853)
@@ -641,6 +641,17 @@
</para>
<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
<application>LibreOffice</application>. Java is needed for the
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