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jdk7u/README-ppc.html
Steve Poole c96d0987ca 8024900: PPC64: Enable new build on AIX (jdk part) 
Reviewed-by: alanb, prr, sla, chegar, michaelm, mullan, art
2016-10-07 03:08:41 +01:00

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<h1>OpenJDK PowerPC Port</h1>
<p>
This file contains some additional build instructions for
the <a href="http://openjdk.java.net/projects/ppc-aix-port"> OpenJDK PowerPC
Port for Linux and AIX</a>. It complements the general
OpenJDK <a href="http://hg.openjdk.java.net/ppc-aix-port/jdk7u/raw-file/tip/README-builds.html">
README-builds.html</a> file.
</p>
<h2>Building on Linux/PPC64</h2>
<p>
Currently, i.e. all versions after
revision <a href="http://hg.openjdk.java.net/ppc-aix-port/jdk7u/file/ppc-aix-port-b01"><em>ppc-aix-port-b01</em></a>,
should successfully build and run on Linux/PPC64. Passing
<code>CORE_BUILD=true</code> on the build comamnd line will instruct the build
system to create an interpreter-only version of the VM which is in general about
an order of magnitude slower than a corresponding server VM with JIT
compiler. But it is still fully functional (e.g. it passes JVM98) and can even
be used to bootstrap itself. Starting with
revision <a href="http://hg.openjdk.java.net/ppc-aix-port/jdk7u/file/ppc-aix-port-b03"><em>ppc-aix-port-b03</em></a>,
it is possible to build without <code>CORE_BUILD=true</code> and create a
JIT-enabled version of the VM (containing the C2 "<em>Server</em>" JIT
compiler).
</p>
<p>
Our current build system is a Power6 box running
SLES 10.3 with gcc version 4.1.2 (in general, more recent Linux distributions
should work as well).
</p>
<h3>Building with the OpenJDK Linux/PPC64 port as bootstrap JDK</h3>
<p>
A precompiled build of <em>ppc-aix-port-b03</em> is available
for <a href="http://openjdkpower.osuosl.org/OpenJDK/download/bootstrap/openjdk1.7.0-ppc-aix-port-linux-ppc64-b03.tar.bz2">download</a>.
With it and together with the other build dependencies fulfilled as described
in the
main <a href="http://hg.openjdk.java.net/ppc-aix-port/jdk7u/raw-file/tip/README-builds.html">
README-builds.html</a> file you can build a debug version of the JDK from the
top-level source directory with the following command line (additionally
pass <code>CORE_BUILD=true</code> to build an interpreter-only version of the VM):
</p>
<pre class="terminal">
&gt; make FT_CFLAGS=-m64 LANG=C \
ALT_BOOTDIR=&lt;path_to&gt;/jdk1.7.0-ppc-aix-port-b01 \
ARCH_DATA_MODEL=64 \
HOTSPOT_BUILD_JOBS=8 \
PARALLEL_COMPILE_JOBS=8 \
ALT_FREETYPE_LIB_PATH=/usr/local/lib \
ALT_FREETYPE_HEADERS_PATH=/usr/local/include \
ANT_HOME=/usr/local/apache-ant-1.8.4 \
VERBOSE=true \
CC_INTERP=true \
OPENJDK=true \
debug_build 2>&1 | tee build_ppc-aix-port_dbg.log
</pre>
<p>
After the build finished successfully the results can be found under
<tt>./build/linux-ppc64-debug/</tt>. Product and fastdebug versions can be
build with the make targets <tt>product_build</tt> and
<tt>fastdebug_build</tt> respectively (the build results will be located under
<tt>./build/linux-ppc64/</tt> and <tt>./build/linux-ppc64-fastdebug/</tt>). On
our transitional <a
href="http://cr.openjdk.java.net/~simonis/ppc-aix-port/index.html">ppc-aix-port
project page</a> you can find the build logs of our regular nightly makes.
</p>
<h4>Problems with pre-installed ANT on newer Linux distros</h4>
<p>
Notice that pre-installed ANT version (i.e. ANT versions installed with the
corresponding system package manager) may cause problems in conjunction with
our bootstrap JDK. This is because they use various scripts from the
<a href="http://www.jpackage.org/">jpackage</a> project to locate specific Java
libraries and jar files. These scripts (in particular
<code>set_jvm_dirs()</code>
in <code>/usr/share/java-utils/java-functions</code>) expect that executing
"<code>java -fullversion</code>" will return a string starting with "java" but
our OpenJDK port returns a string starting with "openjdk" instead.
</p>
<p>
The problem can be easily solved by either editing the regular expressions
which parse the version string
in <code>/usr/share/java-utils/java-functions</code> (or the respective file of
your Linux distribution) or by installing a plain version of ANT
from <a href="http://ant.apache.org/bindownload.cgi">http://ant.apache.org/bindownload.cgi</a>
and passing its installation directory to the build via
the <code>ANT_HOME</code> environment variable.
</p>
<h3>Building with the IBM JDK for Linux/PPC64 as bootstrap JDK</h3>
<p>
It is also possible to build with an <a
href="http://www.ibm.com/developerworks/java/jdk/linux/download.html#java7">IBM
JDK 7</a> bootstrap JDK (after all this is how we initially bootstrapped the
port). But because the IBM JDK uses a different default implementation of the
<tt>idlj</tt> and <tt>rmic</tt> compilers you will have to add the following
two additional variables to the build command line to force the IBM JDK to
fall back to the default Sun/Oracle version of the mentioned compilers (notice
that the single quotes are crucial here to prevent the immediate expansion of
<tt>$(ALT_BOOTDIR)</tt>):
</p>
<pre class="terminal">
IDLJ='$(ALT_BOOTDIR)/bin/java -cp $(ALT_BOOTDIR)/lib/tools.jar com.sun.tools.corba.se.idl.toJavaPortable.Compile'
RMIC='$(ALT_BOOTDIR)/bin/java -cp $(ALT_BOOTDIR)/lib/tools.jar sun.rmi.rmic.Main'
</pre>
<p>
We successfully used build <tt>pxp6470-20110827_01</tt> of the IBM JDK but
there have been <a
href="http://mail.openjdk.java.net/pipermail/ppc-aix-port-dev/2012-July/thread.html#21">reports</a>
on the <a
href="http://mail.openjdk.java.net/mailman/listinfo/ppc-aix-port-dev">ppc-aix-port-dev</a>
mailing list that newer version of the IBM JDK (starting with build <tt>pxp6470sr1-20120330_01(SR1)</tt>) require some additional
tweaking. Neil Richards advised in that mail thread to "<em>Just rename lib/ibmorbtools.jar to be something else.
As the tools.jar tries to chain onto a file of that name, and that file
contains the rmicext.properties files with the IBM-impl settings, moving
that file off to one side should consistently cause rmic invocations to
use the OpenJDK rmic IIOP generator.
Approaching things this way would also mean one would not need to use
the RMIC setting.
(NB: One still need to use the IDLJ setting to use the OpenJDK idlj
implementation, especially as moving the ibmorbtools.jar file aside also
eliminates the IBM idlj implementation from the classpath).</em>"
</p>
<p>
For historical reasons two old build logs of a debug and a product build
bootstrapped with the IBM JDK are still available for inspection: <a
href="http://openjdkpower.osuosl.org/OpenJDK/download/build-logs/output_ppc-aix-port_dbg.log">output_ppc-aix-port_dbg.log</a>,
<a
href="http://openjdkpower.osuosl.org/OpenJDK/download/build-logs/output_ppc-aix-port_opt.log">output_ppc-aix-port_opt.log</a>.
</p>
<h3>Running the OpenJDK Linux/PPC64 port</h3>
<p>
Running the freshly build VM should give the following output:
</p>
<pre class="terminal">
&gt; build/linux-ppc64-debug/bin/java -showversion HelloWorld
openjdk version "1.7.0-internal"
OpenJDK Runtime Environment (build 1.7.0-internal-jvmtests_2012_12_16_22_14-b00)
OpenJDK 64-Bit Server VM (build 23.2-b04, mixed mode)
HelloWorld
</pre>
<h2>Building on AIX/PPC64</h2>
<p>
Currently, i.e. all versions after revision <a
href="http://hg.openjdk.java.net/ppc-aix-port/jdk7u/file/ppc-aix-port-b02"><em>ppc-aix-port-b02</em></a>,
should successfully build and run on AIX. Passing
<code>CORE_BUILD=true</code> on the build comamnd line will instruct the build
system to create an interpreter-only version of the VM which is in general about
an order of magnitude slower than a corresponding server VM with JIT
compiler. But it is still fully functional (e.g. it passes JVM98) and can even
be used to bootstrap itself. Starting with
revision <a href="http://hg.openjdk.java.net/ppc-aix-port/jdk7u/file/ppc-aix-port-b03"><em>ppc-aix-port-b03</em></a>,
it is possible to build without <code>CORE_BUILD=true</code> and create a
JIT-enabled version of the VM (containing the C2 "<em>Server</em>" JIT
compiler).
</p>
<h3>Building with the OpenJDK AIX/PPC64 port as bootstrap JDK</h3>
<p>
A precompiled build of <em>ppc-aix-port-b03</em> is available
for <a href="http://openjdkpower.osuosl.org/OpenJDK/download/bootstrap/openjdk1.7.0-ppc-aix-port-aix-ppc64-b03.tar.bz2">download</a>.
We recommend using it or a self compiled OpenJDK version for AIX as bootstrap JDK.
</p>
<h3>Building with the IBM JDK for AIX as bootstrap JDK</h3>
<p>
It is also possible to build with an <a
href="http://www.ibm.com/developerworks/java/jdk/aix/service.html#java6">IBM
JDK 6</a> bootstrap JDK (after all this is how we initially bootstrapped the
port). But because the IBM JDK uses a different default implementation of the
<tt>idlj</tt> and <tt>rmic</tt> compilers you will have to rename or
delete <code>lib/ibmorbtools.jar</code> and add the following additional
variable to the build command line to force the IBM JDK to fall back to the
default Sun/Oracle version of the IDLJ compiler (notice that the the single
quotes are crucial here to prevent the immediate expansion of
<tt>$(ALT_BOOTDIR)</tt>):
</p>
<pre class="terminal">
IDLJ='$(ALT_BOOTDIR)/bin/java -cp $(ALT_BOOTDIR)/lib/tools.jar com.sun.tools.corba.se.idl.toJavaPortable.Compile'
</pre>
<h3>AIX build dependencies</h3>
<p>
Our current build system is based on AIX 5.3 in order to produce binaries which
can be run on any AIX version higher than 5.3. However building on
newer version of AIX should in general work equally well (from time to time we
build on AIX 7.1 as well). It should be noticed
that the current build infrastructure only supports the
commercial <a href="http://www-01.ibm.com/software/awdtools/xlcpp/">XL
C/C++</a> compilers from IBM so getting a copy of the XL C/C++ compiler suite
10.1 (or higher) is the first prerequisite that has to be fulfilled. You also
need to to have the "AIXwindows Application Development Toolkit for X
Extensions" (i.e. <code>X11.adt.ext</code>) package installed on your
system. You can check this by doing:
</p>
<pre class="terminal">
&gt; lslpp -l X11.adt.ext
Fileset Level State Description
----------------------------------------------------------------------------
Path: /usr/lib/objrepos
X11.adt.ext 7.1.0.0 COMMITTED AIXwindows Application
Development Toolkit for X
Extensions
</pre>
<p>
There are several other build dependencies (mostly described in the
general <a href="http://hg.openjdk.java.net/ppc-aix-port/jdk7u/raw-file/tip/README-builds.html">
README-builds.html</a> file) which are a little more complicate to fulfill on
AIX than on Linux platforms, but they are all freely available as described in
the following section.
</p>
<h4>Mercurial &amp; Python</h4>
<p>
The first thing to install
is <a href="http://mercurial.selenic.com">Mercurial</a>. The
Mercurial <a href=" http://mercurial.selenic.com/wiki/Download">download
wiki</a> contains a
special <a href="http://mercurial.selenic.com/wiki/Download#AIX">AIX</a>
section which links
to <a href="http://www.lunch.org.uk/wiki/aix_packages">http://www.lunch.org.uk/wiki/aix_packages</a>. The
site provides various <a href="http://www.lunch.org.uk/aix/rpms">RPM
packeges</a> for AIX 5.2 and higher. Download and
install <a href="http://www.lunch.org.uk/aix/rpms/python-2.4.6-1.aix5.2.ppc.rpm">python-2.4.6-1.aix5.2.ppc.rpm</a>
and <a href="http://www.lunch.org.uk/aix/rpms/mercurial-2.3.1-0.aix5.2.ppc.rpm">mercurial-2.3.1-0.aix5.2.ppc.rpm</a>
(with <code>rpm -i &lt;package-name&gt;.rpm</code>). All the "free" software
packages will be installed by default into the <code>/opt/freeware</code>
subdirectory under AIX which seems to be the equivalent
to <code>/usr/local</code> on Linux platforms.
</p>
<p>
Notice that Python has a lot of dependencies on other freeware packages
from <code>/opt/freeware</code> and you'll have to download and install them
first before the installation of Python succeeds. Fortunately these packages can
be downloaded directly from IBM's
<a href="http://www-03.ibm.com/systems/power/software/aix/linux/toolbox/alpha.html">AIX
Toolbox for Linux Applications</a> site (if you don't have the RPM package
manager installed already you'll first have to get
the <a href="ftp://public.dhe.ibm.com/aix/freeSoftware/aixtoolbox/INSTALLP/ppc/rpm.rte">AIX
installp image for the rpm package manager for POWER</a> and install it with
the command '<code>installp -qacXgd rpm.rte rpm.rte
</code>'). On my AIX box, I had to install the following additional packages:
</p>
<ul>
<li><a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/bzip2/bzip2-1.0.5-3.aix5.3.ppc.rpm">bzip2-1.0.5-3.aix5.3.ppc.rpm</a></li>
<li><a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/db/db-3.3.11-4.aix5.1.ppc.rpm">db-3.3.11-4.aix5.1.ppc.rpm</a></li>
<li><a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/gdbm/gdbm-1.8.3-5.aix5.2.ppc.rpm">gdbm-1.8.3-5.aix5.2.ppc.rpm</a></li>
<li><a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/zlib/zlib-1.2.3-4.aix5.2.ppc.rpm">zlib-1.2.3-4.aix5.2.ppc.rpm</a></li>
<li><a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/readline/readline-4.3-2.aix5.1.ppc.rpm">readline-4.3-2.aix5.1.ppc.rpm</a></li>
</ul>
<p>
Python also requires OpenSSL which is available from the "AIX Toolbox for Linux
Applications" as well, but only after signing in with a universal IBM user
ID, which can be obtained for free
(follow the
link <a href="http://www.ibm.com/services/forms/preLogin.do?source=aixtbx">AIX
Toolbox Cryptographic Content</a> on
the <a href="http://www-03.ibm.com/systems/power/software/aix/linux/toolbox/download.html">IBM
AIX Toolbox download information</a> page).
</p>
<h4>GNU Make</h4>
Unfortunately, the GNU Make package available from the "AIX Toolbox for Linux
Applications" is too old (version 3.80 vs. 3.82) for building OpenJDK so we
have to build our own one. Fortunately, that's not too hard:
<pre class="terminal">
&gt; wget http://ftp.gnu.org/gnu/make/make-3.82.tar.gz
&gt; tar -xzf make-3.82.tar.gz
&gt; cd make-3.82
&gt; CC=xlc_r ./configure --prefix=/opt/freeware
&gt; make
&gt; make install
</pre>
<h4>Freetype, Cups and friends</h4>
<p>
Luckily, a sufficiently new version of Freetype is available from the "AIX
Toolbox for Linux Applications" site as well. We need the Freetype development
package which itself has dependencies as listed below:
</p>
<ul>
<li><a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/freetype2/freetype2-2.3.9-1.aix5.2.ppc.rpm">freetype2-2.3.9-1.aix5.2.ppc.rpm</a></li>
<li><a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/freetype2/freetype2-devel-2.3.9-1.aix5.2.ppc.rpm">freetype2-devel-2.3.9-1.aix5.2.ppc.rpm</a></li>
<li><a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/zlib/zlib-devel-1.2.3-4.aix5.2.ppc.rpm">zlib-devel-1.2.3-4.aix5.2.ppc.rpm</a></li>
<li><a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/pkg-config/pkg-config-0.19-6.aix5.2.ppc.rpm">pkg-config-0.19-6.aix5.2.ppc.rpm</a></li>
</ul>
<p>
Notice that the Freetype package will only install a single archive
under <code>/opt/freeware/lib/libfreetype.a</code> but that archive contains
both 32- and 64-bit versions of the <code>libfreetype.so</code> shared library:
</p>
<pre class="terminal">
&gt; ar -vt -Xany /opt/freeware/lib/libfreetype.a
rwxr-xr-x 0/0 966393 Aug 21 01:42 2009 libfreetype.so.6
rwxr-xr-x 0/0 1048680 Aug 21 01:41 2009 libfreetype.so.6
</pre>
<p>
During a 64-bit build, the compiler will "magically" find the right version of
the shared library from the archive.
</p>
<p>
Unfortunately the "AIX Toolbox for Linux Applications" site provides no Cups
package, so I
took <a href="ftp://www.oss4aix.org/latest/aix53/cups-devel-1.6.1-1.aix5.3.ppc.rpm">cups-devel-1.6.1-1.aix5.3.ppc.rpm</a>
from <a href="http://www.perzl.org/aix/">http://www.perzl.org/aix/</a>, another
great site with precompiled open source software for AIX. The Cups development
package has a lot of dependencies, but because the OpenJDK build only needs the
Cups header files it is enough to force the installation of the Cups
development package with <code>rpm -i --nodeps
cups-devel-1.6.1-1.aix5.3.ppc.rpm</code>.
</p>
<p>
The default AIX <code>tar</code> may give you errors like
"<code>/usr/bin/tar: arg list too long</code>" during the build
process so we strongly recommend to install
the <a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/tar/tar-1.14-2.aix5.1.ppc.rpm">tar-1.14-2.aix5.1.ppc.rpm</a>
package from IBM's AIX Toolbox for Linux Applications site.
</p>
<h4>Setting up the <code>PATH</code> and building</h4>
<p>
If you prepend <code>/opt/freeware/bin</code> to you <code>PATH</code>
environment variable you should be finally able to start the build with the
following command line (additionally pass <code>CORE_BUILD=true</code> to build
an interpreter-only version of the VM):
</p>
<pre class="terminal">
make debug_build \
ALT_BOOTDIR=/usr/work/openjdk/nb/rs6000_64/last_known_good/output-jdk7u/j2sdk-image \
ANT_HOME=/sapmnt/depot/tools/gen/java/OpenSource/Ant/1.8.0 \
ALT_FREETYPE_LIB_PATH=/opt/freeware/lib \
ALT_FREETYPE_HEADERS_PATH=/opt/freeware/include \
ALT_CUPS_HEADERS_PATH=/opt/freeware/include \
VERBOSE=true \
CC_INTERP=true \
OPENJDK=true \
HOTSPOT_BUILD_JOBS=8 \
PARALLEL_COMPILE_JOBS=8 2>&1 | tee /priv/d046063/OpenJDK/output-ppc-aix-port-debug.log
</pre>
<p>
After the build finished successfully the results can be found under
<tt>./build/aix-ppc64-debug/</tt>. Product and fastdebug versions can be
build with the make targets <tt>product_build</tt> and
<tt>fastdebug_build</tt> respectively (the build results will be located under
<tt>./build/aix-ppc64/</tt> and <tt>./build/aix-ppc64-fastdebug/</tt>). On
our transitional <a
href="http://cr.openjdk.java.net/~simonis/ppc-aix-port/index.html">ppc-aix-port
project page</a> you can find the build logs of our regular nightly makes.
</p>
<h3>Running the OpenJDK AIX/PPC64 port</h3>
<p>
Running the freshly build VM should give the following output:
</p>
<pre class="terminal">
&gt; build/aix-ppc64-debug/bin/java -showversion HelloWorld
openjdk version "1.7.0-internal-debug"
OpenJDK Runtime Environment (build 1.7.0-internal-jvmtests_2012_12_16_23_22-b00)
OpenJDK 64-Bit Server VM (build 23.2-b04, mixed mode)
HelloWorld
</pre>
<h4>Fonts and Fontconfig (optional)</h4>
<p>
If you want to run AWT/Swing applications you have to install
the <a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/fontconfig/fontconfig-2.4.2-1.aix5.2.ppc.rpm">fontconfig</a>
package from the "AIX Toolbox for Linux Applications" site as described
before. You will also have to install at least the "AIXwindows Latin Type1
Fonts" package (<code>X11.fnt.iso_T1</code>) because Fontconfig
and the <code>fontconfig.properties</code> file of the OpenJDK currently rely on
the standard Type1 Postscript fonts. If you want to use other Type 1 or
TrueType fonts (e.g. <code>X11.fnt.ucs.ttf</code>) you'll probably have to edit
the
local <a href="http://www.freedesktop.org/software/fontconfig/fontconfig-user.html">Fontconfig
configuration file</a> (under <code>/opt/freeware/etc/fonts/local.conf</code>)
and
the <a href="http://download.java.net/jdk8/docs/technotes/guides/intl/fontconfig.html"><code>&lt;openjdk-path&gt;/jre/lib/fontconfig.properties</code>
</a> file of your OpenJDK image.
</p>
<p>
Also remember that we currently dynamically link against Freetype (see build
dependencies above) so if you copy the build results to another AIX machine you
have to ensure that the new host has at
least <a href="ftp://ftp.software.ibm.com/aix/freeSoftware/aixtoolbox/RPMS/ppc/freetype2/freetype2-2.3.9-1.aix5.2.ppc.rpm">freetype2-2.3.9-1.aix5.2.ppc.rpm</a>
installed.
</p>
<h4>Memory requirements</h4>
<p>
Our VM is currently optimized for server class loads. This means that besides
the usual Java heap settings which are controlled trough command line options
the user has to make sure the environment provides reasonable data segment and
the stack size limits. We recommend setting the stack size limit to 4MB
(e.g. call '<code>ulimit -s 4000</code>') and the data segment limit to 1GB
(e.g. call '<code>ulimit -d 1000000</code>'). Higher limits should be OK (the
current limits can be inspected with '<code>ulimit -a</code>').
</p>
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