[blfs-book] r20927 - in trunk/BOOK: general/prog introduction/welcome

[ken--- via blfs-book]

Author: ken
Date: Sun Jan  6 17:30:32 2019
New Revision: 20927

Log:
Use python2 to build rustc.

Modified:
   trunk/BOOK/general/prog/rust.xml
   trunk/BOOK/introduction/welcome/changelog.xml

Modified: trunk/BOOK/general/prog/rust.xml
==============================================================================
--- trunk/BOOK/general/prog/rust.xml    Sun Jan  6 15:15:46 2019        (r20926)
+++ trunk/BOOK/general/prog/rust.xml    Sun Jan  6 17:30:32 2019        (r20927)
@@ -57,8 +57,7 @@
       <para>
         Rustc defaults to building for ALL supported architectures, using a
         shipped copy of LLVM. In BLFS the build is only for the X86 
architecture.
-        Rustc still claims to require Python2, but that is only really 
necessary
-        when building some other architectures with the shipped LLVM. If you
+        If you
         intend to develop rust crates, this build may not be good enough for 
your
         purposes.
       </para>
@@ -119,8 +118,8 @@
     <para role="required">
       <xref linkend="curl"/>,
       <xref linkend="cmake"/>,
-      <xref linkend="libssh2"/>
-<!--  <xref linkend="python2"/> -->
+      <xref linkend="libssh2"/>, and
+      <xref linkend="python2"/>
     </para>
 
     <bridgehead renderas="sect4">Recommended</bridgehead>
@@ -194,7 +193,7 @@
     </para>
 
 <screen><userinput>export RUSTFLAGS="$RUSTFLAGS -C link-args=-lffi" &amp;&amp;
-python3 ./x.py build</userinput></screen>
+./x.py build</userinput></screen>
 
     <para>
       The build will report it failed to compile <filename>miri</filename>
@@ -205,8 +204,8 @@
     <caution>
       <para>
         On AMD Ryzen processors (family 17h), the non-optimized version of 
libstd
-        which is compiled at the start of the tests contains two opcodes which 
are
-        not implemented on this CPU family. These will be logged in the
+        which is compiled at the start of the tests contains one or more 
opcodes
+        which are not implemented on this CPU family. These will be logged in 
the
         <phrase revision="sysv">system log</phrase>
         <phrase revision="systemd">systemd journal</phrase>
         and will be followed a few minutes later by segmentation faults. 
Despite
@@ -224,7 +223,7 @@
 
     <para>
       To run the tests issue
-      <command>python3 ./x.py test --verbose --no-fail-fast | tee 
rustc-testlog</command>:
+      <command>./x.py test --verbose --no-fail-fast | tee 
rustc-testlog</command>:
       as with the build, that will use all available CPUs.  This runs many 
suites
       of tests (in an apparently random order), several will fail in BLFS:
       compile-fail/issue-37131.rs require a thumbv6m-none-eabi compiler but the
@@ -261,7 +260,7 @@
     </para>
 
 <screen><userinput>export LIBSSH2_SYS_USE_PKG_CONFIG=1 &amp;&amp;
-DESTDIR=${PWD}/install python3 ./x.py install &amp;&amp;
+DESTDIR=${PWD}/install ./x.py install &amp;&amp;
 unset LIBSSH2_SYS_USE_PKG_CONFIG</userinput></screen>
 
     <para>

Modified: trunk/BOOK/introduction/welcome/changelog.xml
==============================================================================
--- trunk/BOOK/introduction/welcome/changelog.xml       Sun Jan  6 15:15:46 
2019        (r20926)
+++ trunk/BOOK/introduction/welcome/changelog.xml       Sun Jan  6 17:30:32 
2019        (r20927)
@@ -45,6 +45,10 @@
       <para>January 6th, 2019</para>
       <itemizedlist>
         <listitem>
+          <para>[ken] - Revert to using python2 for rustc. Fixes
+          <ulink url="&blfs-ticket-root;11520">#11520</ulink>.</para>
+        </listitem>
+        <listitem>
           <para>[bdubbs] - Update to thunderbird-60.4.0. Fixes
           <ulink url="&blfs-ticket-root;11469">#11469</ulink>.</para>
         </listitem>
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