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jeremybenn |
GNU Classpath README - Last updated: August 6, 2006 (for release 0.92)
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GNU Classpath, Essential Libraries for Java is a project to create a
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free software implementation of the core class libraries for the java
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programming language.
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Additionally, GNU Classpath includes a sub-project called GNU Classpath
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Tools whose goal is to provide a number of free replacements for standard
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Java development tools like javadoc, javap, and others. A sub-project
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called GNU Inetlib, can be used as an extension library to provide extra
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network protocol support (ftp, finger, gopher) for GNU Classpath. It can
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also be used as a standalone to ease adding http, imap, pop3 and smtp
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client support to applictions. These subprojects are normally released
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independently from the core libraries.
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This is a development snapshot release only and is not for general
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purpose use. GNU Classpath needs to be combined with a proper
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development environment to be useable for end users. Eventually,
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these essential libraries for java will work with as many free
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compilers and runtimes as possible.
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Complete development environments known to be based on GNU Classpath
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include (recommended for end users):
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* GCC with GCJ (http://gcc.gnu.org/java/)
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* Kaffe (http://www.kaffe.org/)
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Smaller environments (runtime only, no compilers, no tools) which work
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with this GNU Classpath releases include
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(tested by and recommended for GNU Classpath hackers):
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* CACAO (http://www.cacaojvm.org/)
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* JamVM (http://jamvm.sourceforge.net/)
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* Jikes RVM (http://jikesrvm.sourceforge.net/)
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In general the latest releases of the above VMs will work out of the box
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with the latest GNU Classpath release (and in most cases directly with the
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development sources from CVS).
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Besides combining GNU Classpath with the runtimes and compilers above
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you might want to add support for additional extension libraries (mail,
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activation, infobus, servlet) check out the GNU ClasspathX project
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(http://www.gnu.org/software/classpathx/).
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Some tools come with their own customized version of GNU Classpath.
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Please check if there is a customized version available for the tool you
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use before trying the bare bones GNU Classpath release. We are working with
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the tool creators to keep the differences between the core classes as small
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as possible. Please tell us if you make GNU Classpath work with a new tool.
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Active projects which use modified versions of the Classpath libraries
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some of which synchronizes with the Classpath CVS head every couple of weeks:
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* IKVM.NET (http://www.ikvm.net/)
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* JC (http://jcvm.sourceforge.net/)
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* JNode (http://jnode.sourceforge.net/)
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* MysaifuVM (http://www2s.biglobe.ne.jp/~dat/java/project/jvm/)
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* SableVM (http://www.sablevm.org/)
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For a more complete list of GNU Classpath based projects, see the
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GNU Classpath website: http://www.gnu.org/software/classpath/stories.html
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See the file INSTALL for details on installing GNU Classpath.
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See the file NEWS for details on what is included in this release.
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See the file TODO for the latest to do list.
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See the file HACKING for working on (non-released) CVS development versions.
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Homepage: http://www.gnu.org/software/classpath/
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Bugs should be reported via bugzilla, available from the GNU Classpath
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website: http://www.gnu.org/software/classpath/bugs.html
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General Mailing List: classpath@gnu.org
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--> To subscribe send email to classpath-request@gnu.org with a
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subject and body of "subscribe". To unsubscribe do the same,
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only with a body and subject of "unsubscribe". This is a
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smartlist managed mailing list.
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Patches Mailing List: classpath-patches@gnu.org
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--> Proposed patches should be sent to the GNU Classpath patches list
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--> To subscribe send email to classpath-patches-request@gnu.org with a
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subject and body of "subscribe". To unsubscribe do the same,
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only with a body and subject of "unsubscribe". This is a
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smartlist managed mailing list.
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Anonymous CVS:
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--> "cvs -z3 -d:pserver:anonymous@cvs.savannah.gnu.org:/sources/classpath
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co classpath"
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--> More detailed instructions available on the Savannah project website.
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http://savannah.gnu.org/projects/classpath/
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Happy Hacking!
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