136 lines
5.7 KiB
Plaintext
136 lines
5.7 KiB
Plaintext
Installing GNU Classpath - Last updated: January 6, 2005
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First, this is a development release only! Unless you are interested in
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active development and debugging, or just like running random alpha code,
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this release is probably not for you. Please see the README file for a
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list of VMs that work with GNU Classpath.
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Note that if you are building from a non-released (CVS) version of GNU
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classpath, installation instructions are found in the doc/hacking.texi
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file. Or at http://www.gnu.org/software/classpath/docs/hacking.html
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------------------------------------------------------------------
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Suggested Software
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------------------------------------------------------------------
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GNU make ("gmake") is required for building Classpath.
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For any build environment involving native libraries, these
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new versions of autoconf, automake, and libtool are required
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if changes are made that require rebuilding configure, Makefile.in,
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aclocal.m4, or config.h.in.
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- GNU autoconf 2.59+
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- GNU automake 1.9+
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- GNU libtool 1.5+
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When working from CVS you can run the above tools by executing
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./autogen.sh in the source directory.
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For building the Java bytecode (.class files), one of these
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compilers are required. You can select which compiler using
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--with-jikes, --with-gcj or --with-kjc as argument to
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configure; the present default is gcj.
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- GCJ 3.3+ (part of the GNU GCC package).
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- IBM jikes 1.19+.
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- The kjc compiler is supported with configure but we have
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been unable to successfully compile with it.
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For building the gtk+ AWT peer JNI native libraries, the following
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are required unless --disable-gtk-peer is used as an argument to
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configure.
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- GTK+ 2.4.x (or higher)
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- gdk-pixbuf
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- XTest Extension (libXtst) for GdkRobot support in java.awt.
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For building the Cairo GdkGraphics2D backend you need at least
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Cairo 0.5.0.
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For building the xmlj JAXP implementation (dsabled by default, use
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configure --enable-xmlj) you need the following installed:
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- The XML C library for Gnome (libxml2)
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http://www.xmlsoft.org/
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Minimum version of libxml2 required: 2.6.8
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- The XSLT C library for Gnome (libxslt)
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http://www.xmlsoft.org/XSLT/
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Minimum version of libxslt required: 1.1.11
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For building the documentation you will need
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- texinfo 4.2 or higher.
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This package was designed to use the GNU standard for configuration
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and makefiles. To build and install do the following:
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1). Run the "configure" script to configure the package. There are
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various options you might want to pass to configure to control how the
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package is built. Consider the following options, "configure --help"
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gives a complete list.
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--enable-java compile Java source default=yes
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--enable-jni compile JNI source default=yes
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--enable-gtk-peer compile GTK native peers default=yes
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--enable-gtk-cairo compile cairo based Graphics2D default=no
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--enable-load-library enable to use JNI native methods default=yes
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--with-jikes to compile the class library using jikes
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the default is to use gcj
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--with-glibj define what to install (zip|flat|both|none)
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default=zip
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--enable-Werror whether to compile C code with -Werror which turns
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any compiler warning into a compilation failure
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default=no
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--enable-xmlj compile native libxml/xslt library default=no
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--with-gjdoc generate documentation using gjdoc default=no
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--with-jay Regenerate the parsers with jay must be given the
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path to the jay executable
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For more flags run configure --help.
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2). Type "gmake" to build the package. There is no longer a
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dependency problem and we aim to keep it that way.
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3). Type "gmake install" to install everything. This may require
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being the superuser. The default install path is /usr/local/classpath
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you may change it by giving configure the --prefix=<path> option.
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Report bugs to classpath@gnu.org or much better via Savannah at this
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URL: http://savannah.gnu.org/support/?func=addsupport&group=classpath
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Happy Hacking!
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Once installed, GNU Classpath is ready to be used by any VM that supports
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using the official version of GNU Classpath. Simply ensure that
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/usr/local/classpath/share/classpath is in your $CLASSPATH environment
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variable. You'll also have to set your LD_LIBRARY_PATH
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variable (or similar system configuration) to include the Classpath
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native libraries in /usr/local/classpath/lib/classpath.
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*NOTE* All example paths assume the default prefix is used with configure.
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If you don't know what this means then the examples are correct.
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LD_LIBRARY_PATH=/usr/local/classpath/lib/classpath
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CLASSPATH=/usr/local/classpath/share/classpath/glibj.zip:.
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export LD_LIBRARY_PATH CLASSPATH
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More information about the VMs that use GNU Classpath can be found in the
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README file.
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------------------------------------------------------------------
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Misc. Notes
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------------------------------------------------------------------
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Compilation is accomplished using a compiler's @file syntax. For our
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part, we avoid placing make style dependencies as rules upon the
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compilation of a particular class file and leave this up to the Java
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compiler instead.
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The --enable-maintainer-mode option to configure currently does very
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little and shouldn't be used by ordinary developers or users anyway.
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On Windows machines, the native libraries do not currently build, but
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the Java bytecode library will. Gcj trunk is beginning to work under
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Cygwin. The mingw32 version of jikes cannot follow symbolic links, you
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must use a cygwin build of jikes to access this limited functionality.
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