100 lines
3.5 KiB
Text
100 lines
3.5 KiB
Text
#!wml --include=..
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#use wml::std::page
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#use wml::std::lang
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#use wml::fmt::isolatin
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#use wml::std::case global=upper
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<lang:new id=en short>
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<lang:star:slice:>
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<set-var last-modified-author="<mjw>">
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#include <include/macros.wml>
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<header title="GNU Classpath and Jikes RVM">
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<en>
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<p>
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</p>
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<H4>Steps to use Jikes RVM and GNU Classpath on GNU/Linux</H4>
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<OL>
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<LI>
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Install jikes-1.18 on your machine, if you do not already have it.
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Jikes can be retrieved from <createlink url="http://oss.software.ibm.com/developerworks/opensource/jikes/" name="http://oss.software.ibm.com/developerworks/opensource/jikes/">
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</LI>
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<LI>
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Check out the GNU Classpath head into some directory (hereinafter
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called <classpathdir>)
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<UL>
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<LI>CVS root for GNU Classpath is :psevser:anoncvs@subversions.gnu.org:/cvsroot/classpath</LI>
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<LI>Given that root, in <classpathdir> do `cvs checkout classpath'</LI>
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</UL>
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</LI>
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<LI>
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Build and configure GNU Classpath
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<UL>
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<LI>Do the aclocal; autoheader; automake; autoconf thing in <classpathdir>/classpath (see HACKING for details)</LI>
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<LI>Make a directory '<classpathdir>i686' (i.e. <classpathdir> now contains a 'classpath' and a 'i686')</LI>
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<LI>In i686, do a '../classpath/configure --enable-jni --with-jikes'</LI>
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<LI>In i686, do 'make'</LI>
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</UL>
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<p>
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You can, of course, use your own classpath tree if you have one.
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But you must make an 'i686' directory parallel to the top of your tree,
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and do configure there as specified above.
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</p>
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</LI>
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<LI>Download Jikes RVM into some directory (hereinafter <rvmroot>)
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<UL>
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<LI>:pserver:anoncvs@www-124.ibm.com:/usr/cvs/jikesrvm</LI>
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<LI>Given that root, in <rvmroot>, do 'cvs checkout rvm'</LI>
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</UL>
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</LI>
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<LI>
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Edit <rvmroot>/rvm/config/i686-pc-linux.eb to reflect your system.
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Everything should be fine, except CLASSPATH_SRC, which should become
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<classpathdir>
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</LI>
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<LI>
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Set the following environment variables (bash style below,
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mutatis mutandum)<br>
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<pre>
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export RVM_ROOT=<rvmroot>
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export RVM_HOST_CONFIG=<rvmroot>/rvm/config/i686-pc-linux.eb
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export RVM_TARGET_CONFIG=<rvmroot>/rvm/config/i686-pc-linux.eb
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export RVM_BUILD=<some directory that can be trashed or created>
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export PATH=<rvmroot>/rvm/bin:${PATH}
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</pre>
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</LI>
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<LI>
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Build Jikes RVM
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<UL>
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<LI>jconfigure -D RVM_WITH_GNU_CLASSPATH=1 BaseBaseSemiSpace</LI>
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<LI>cd $RVM_BUILD</LI>
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<LI>./jbuild</LI>
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</UL>
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</LI>
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</OL>
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<p>
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Many variations are possible. Be warned that BaseBaseSemiSpace instructs
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jconfigure to prepare a version of JikesRVM that is slow to run but quick
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to build. After verifying that that works, you may want to try
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FastAdaptiveSemiSpace instead (just change the last argument to jconfigure;
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you will probably want to change RVM_BUILD so that the FastAdaptive image
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does not destroy the BaseBase one). That will prepare a Jikes RVM version
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that takes much longer to build (~25 minutes on a fast machine) but will run
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programs much faster. Also be warned that you currently need rather a
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lot of memory to build the FastAdaptiveSemiSpace image; recommended at least
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512MB.
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</p>
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<p>
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If you have problems, refer to specific install documentation for each
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project. Thank you to Julian Dolby for providing these instructions.
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</p>
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<ul>
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<li><createlink url="http://www-124.ibm.com/developerWorks/opensource/jikesrvm/" name="Jikes RVM"></li>
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</ul>
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</en>
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<footer>
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