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https://github.com/Zeckmathederg/glfs.git
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git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@13458 af4574ff-66df-0310-9fd7-8a98e5e911e0
595 lines
21 KiB
XML
595 lines
21 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY gcc-download-http "http://ftp.gnu.org/gnu/gcc/gcc-&gcc-version;/gcc-&gcc-version;.tar.bz2">
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<!ENTITY gcc-download-ftp "ftp://ftp.gnu.org/gnu/gcc/gcc-&gcc-version;/gcc-&gcc-version;.tar.bz2">
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<!ENTITY gcc-md5sum "9709b49ae0e904cbb0a6a1b62853b556">
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<!ENTITY gcc-size "86 MB">
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<!ENTITY gcc-buildsize "7.5 GB">
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<!ENTITY gcc-time "142 SBU">
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<!ENTITY ecj-download-ftp "ftp://sourceware.org/pub/java/ecj-latest.jar">
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<!ENTITY antlr-version "4.2.2">
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<!ENTITY antlr-download-http "http://www.antlr.org/download/antlr-&antlr-version;-complete.jar">
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]>
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<sect1 id="gcc-java" xreflabel="GCC-Java-&gcc-version;">
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<?dbhtml filename="gcc-java.html" ?>
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<title>GCC-Java-&gcc-version;</title>
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<indexterm zone="gcc">
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<primary sortas="a-gcc-java-4-0">GCC-Java-&gcc-version;</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to GCC-Java</title>
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<para>See the introduction to the Java language and system at
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<xref linkend="java"/>. The GNU Compiler Collection (GCC) contains
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a Java compiler to native code. Together with the
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<application>ecj</application> Java compiler from Eclipse (to bytecode),
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it provides a way to build an acceptable JVM from source. However, since
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the release of <application>OpenJDK</application>, the development
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of GCC-Java has almost stopped, and the built JVM is an old version.
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One reason to build
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this system is that it can be used to bootstrap <xref linkend="openjdk"/>,
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without the need for downloading a Java binary.</para>
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<!-- &lfs75_checked; -->
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<caution>
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<para>Using the instructions on this page will have the effect that
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the C and C++ compiler and libraries will be reinstalled, overwriting
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the ones on your system. This may lead to some issues. Please read the
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note and caution on the <xref linkend="gcc"/> page.</para>
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</caution>
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>Download (HTTP): <ulink url="&gcc-download-http;"/></para>
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</listitem>
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<listitem>
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<para>Download (FTP): <ulink url="&gcc-download-ftp;"/></para>
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</listitem>
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<listitem>
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<para>Download MD5 sum: &gcc-md5sum;</para>
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</listitem>
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<listitem>
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<para>Download size: &gcc-size;</para>
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</listitem>
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<listitem>
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<para>Estimated disk space required: &gcc-buildsize;</para>
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</listitem>
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<listitem>
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<para>Estimated build time: &gcc-time;</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">Additional Downloads</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Eclipse Java compiler:
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<ulink url="&ecj-download-ftp;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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ANTLR binary, for building <command>gjdoc</command> (optional):
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<ulink url="&antlr-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Required patch:
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<ulink url="&patch-root;/gcc-&gcc-version;-upstream_fixes-1.patch"/>
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">GCC Dependencies</bridgehead>
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<bridgehead renderas="sect4">Required</bridgehead>
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<para role="required">
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<xref linkend="zip"/>,
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<xref linkend="unzip"/>, and
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<xref linkend="which"/>
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</para>
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<bridgehead renderas="sect4">Recommended</bridgehead>
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<para role="recommended">
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<xref linkend="dejagnu"/>, for tests
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</para>
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<bridgehead renderas="sect4">Optional</bridgehead>
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<para role="optional">
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<xref linkend="gtk2"/> and
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<ulink url="https://download.gnome.org/sources/libart_lgpl/">
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Libart
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</ulink> for building the AWT peer
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</para>
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<para condition="html" role="usernotes">User Notes:
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<ulink url="&blfs-wiki;/gcc-java"/></para>
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</sect2>
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<sect2 role="installation">
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<title>Installation of GCC Java</title>
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<para>The instructions below assume that the C and C++ compilers have
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the same version as the one you are installing, so that a
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<quote>bootstrap</quote> is not necessary. If you are upgrading
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the GCC version, then remove the <option>--disable-bootstrap</option> from
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the <command>./configure</command> options below.</para>
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<para>Install <application>GCC Java</application> by running the
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following commands:</para>
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<screen><userinput>sed -i 's/\(install.*:\) install-.*recursive/\1/' libffi/Makefile.in &&
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sed -i 's/\(install-data-am:\).*/\1/' libffi/include/Makefile.in &&
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patch -Np1 -i ../gcc-&gcc-version;-upstream_fixes-1.patch &&
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cp ../ecj-latest.jar ./ecj.jar &&
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mkdir ../gcc-build &&
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cd ../gcc-build &&
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../gcc-&gcc-version;/configure \
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--prefix=/usr \
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--libdir=/usr/lib \
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--enable-shared \
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--enable-threads=posix \
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--enable-__cxa_atexit \
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--enable-clocale=gnu \
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--disable-multilib \
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--with-system-zlib \
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--disable-bootstrap \
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--enable-java-home \
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--with-jvm-root-dir=/opt/gcj \
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--with-antlr-jar=$(pwd)/../antlr-&antlr-version;-complete.jar \
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--enable-languages=java &&
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make</userinput></screen>
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<para>If you have installed additional packages such as
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<application>Valgrind</application> and <application>GDB</application>,
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the <application>GCC</application> part of the testsuite will run more
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tests than in LFS. Some of those will report FAIL and others XPASS
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(pass when expected to FAIL). To run the tests, issue:</para>
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<screen><userinput>ulimit -s 32768 &&
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make -k check</userinput></screen>
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<!-- The command above may error out, so using && may prevent the summary
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to be run. -->
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<para>The tests are very long, and the results may be hard to find in the
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logs, specially if you use job control with make. You can get a summary
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of the tests with:</para>
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<screen><userinput>../gcc-&gcc-version;/contrib/test_summary</userinput></screen>
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<para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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<screen role="root"><userinput>make install &&
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mkdir -pv /usr/share/gdb/auto-load/usr/lib &&
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mv -v /usr/lib/*gdb.py /usr/share/gdb/auto-load/usr/lib &&
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chown -v -R root:root \
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/usr/lib/gcc/*linux-gnu/&gcc-version;/include{,-fixed} &&
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gcj -o ecj ../ecj-latest.jar \
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--main=org.eclipse.jdt.internal.compiler.batch.Main &&
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mv ecj /usr/bin &&
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ln -sfv ../../../usr/bin/ecj /opt/gcj/bin/javac</userinput></screen>
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</sect2>
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<sect2 role="commands">
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<title>Command Explanations</title>
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<para>The two <command>sed</command> commands prevent the
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installation of the <application>libffi</application> library bundled
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with <application>GCC</application>, since it is outdated compared to
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<xref linkend="libffi"/>.</para>
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<para><command>mkdir ../gcc-build; cd ../gcc-build</command>: The
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<application>GCC</application> documentation recommends
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building the package in a dedicated build directory.</para>
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<para><parameter>--enable-shared --enable-threads=posix
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--enable-__cxa_atexit</parameter>: These parameters are required to build
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the <application>C++</application> libraries to published standards.</para>
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<para><parameter>--enable-clocale=gnu</parameter>: This parameter is a
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failsafe for incomplete locale data.</para>
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<para><parameter>--disable-multilib</parameter>: This parameter ensures
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that files are created for the specific architecture of your computer.</para>
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<para>
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<parameter>--with-system-zlib</parameter>: Uses the system
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<application>zlib</application> instead of the bundled one.
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</para>
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<para>
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<parameter>--disable-bootstrap</parameter>: Prevents the C and C++
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compilers to recompile themselves. You should use this switch only
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if the installed C and C++ compilers are the same version as the
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ones you install.
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</para>
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<para>
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<parameter>--enable-java-home</parameter>: Creates a directory
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layout similar to that of a JVM.
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</para>
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<para>
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<parameter>--with-jvm-root-dir=/opt/gcj</parameter>: Installs
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the JVM in the specified location.
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</para>
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<para>
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<parameter>--with-antlr-jar=...</parameter>: Specifies the location of
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<application>ANTLR</application>, which is needed to build
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<command>gjdoc</command>. Remove if you have not downloaded antlr.
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</para>
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<para>
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<parameter>--enable-languages=java</parameter>:
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This command identifies which language to build. Note it is unavoidable
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that the <application>C</application> and <application>C++</application>
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compilers be built too.</para>
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<para>
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<option>--enable-java-awt=gtk</option>: Allows to build the Java AWT
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<application>GTK+2</application> peer. Needed to have a fully functional
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JVM.
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</para>
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<para><command>ulimit -s 32768</command>: This command prevents several
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tests from running out of stack space.</para>
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<para><command>make -k check</command>: This command runs the test suite
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without stopping if any errors are encountered.</para>
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<para><command>../gcc-&gcc-version;/contrib/test_summary</command>: This
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command will produce a summary of the test suite results. You can append
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<command>| grep -A7 Summ</command> to the command to produce an even more
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condensed version of the summary. You may also wish to redirect the output
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to a file for review and comparison later on.</para>
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<para><command>chown -v -R root:root
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/usr/lib/gcc/*linux-gnu/...</command>:
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If the package is built by a user other than root, the ownership of the
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installed <filename class="directory">include</filename> directory (and its
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content) will be incorrect. This commands changes the ownership to the
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<systemitem class="username">root</systemitem> user and group.</para>
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<para>
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<command>gcj -o ecj ...</command>: compiles the eclipse compiler to
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native code, which is much faster than bytecode. This compiler is
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then used as a <command>javac</command> replacement in the JVM.
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</para>
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</sect2>
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<sect2 role="configuration">
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<title>Configuring GCC-Java</title>
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<sect3>
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<title>Configuration Information</title>
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<para>
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The configuration is the same as for <xref linkend="openjdk"/>,
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replacing <filename class="directory">/opt/jdk</filename> with
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<filename class="directory">/opt/gcj</filename>.
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</para>
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</sect3>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>
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aot-compile, ecj, gappletviewer, gc-analyze, gcj, gcj-dbtool,
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gcjh, gij, gjar, gjarsigner, gjavah, gjdoc, gkeytool, gnative2ascii,
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gorbd, grmic, grmid, grmiregistry, gserialver, gtnameserv, jcf-dump,
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jv-convert, rebuild-gcj-db. Symbolic links to these files are located
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in <filename class="directory">/opt/gcj/bin</filename>
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</seg>
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<seg>
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libgcj_bc.so, libgcj.so, libgcj-tools.so
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libgij.so, and numerous other
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run-time libraries and executables in
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<filename class="directory">/usr/lib/gcc</filename> and
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<filename class="directory">/usr/libexec/gcc</filename>
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</seg>
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<seg>
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/usr/include/c++/&gcc-version;/{gcj,gnu,java,javax,org,sun},
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/usr/lib/gcj-&gcc-version;-15,
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/usr/lib/security, /opt/gcj/{bin,jre} and
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/usr/share/java
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</seg>
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</seglistitem>
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</segmentedlist>
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<para>Some program and library names and descriptions are not listed here,
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but can be found at
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<ulink url="&lfs-root;/chapter06/gcc.html#contents-gcc"/> as they were
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initially installed during the building of LFS.</para>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="aot-compile">
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<term><command>aot-compile</command></term>
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<listitem>
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<para>searches a directory for Java bytecode and uses
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<command>gcj</command> to compile it to native code.</para>
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<indexterm zone="gcc aot-compile">
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<primary sortas="b-aot-compile">aot-compile</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="ecj">
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<term><command>ecj</command></term>
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<listitem>
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<para>is the eclipse compiler.</para>
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<indexterm zone="gcc ecj">
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<primary sortas="b-ecj">ecj</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="gappletviewer">
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<term><command>gappletviewer</command></term>
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<listitem>
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<para>loads and run a <application>Java</application> applet.</para>
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<indexterm zone="gcc gappletviewer">
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<primary sortas="b-gappletviewer">gappletviewer</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="gc-analyze">
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<term><command>gc-analyze</command></term>
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<listitem>
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<para>analyzes garbage collector (GC) memory dumps from
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<application>Java</application> code.</para>
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<indexterm zone="gcc gc-analyze">
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<primary sortas="b-gc-analyze">gc-analyze</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="gcj">
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<term><command>gcj</command></term>
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<listitem>
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<para>is an ahead-of-time compiler for the
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<application>Java</application> language.</para>
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<indexterm zone="gcc gcj">
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<primary sortas="b-gcj">gcj</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="gcj-dbtool">
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<term><command>gcj-dbtool</command></term>
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<listitem>
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<para>is a tool for creating and manipulating class file mapping
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databases.</para>
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<indexterm zone="gcc gcj-dbtool">
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<primary sortas="b-gcj-dbtool">gcj-dbtool</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="gcjh">
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<term><command>gcjh</command></term>
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<listitem>
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<para>generates header files from <application>Java</application>
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class files.</para>
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<indexterm zone="gcc gcjh">
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<primary sortas="b-gcjh">gcjh</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="gij">
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<term><command>gij</command></term>
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<listitem>
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<para>is the GNU interpreter for <application>Java</application>
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bytecode.</para>
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<indexterm zone="gcc gij">
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<primary sortas="b-gij">gij</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="gjar">
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<term><command>gjar</command></term>
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<listitem>
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<para>is an (partial) implementation of the <command>jar</command>
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utility that comes with Sun's JDK.</para>
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<indexterm zone="gcc gjar">
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<primary sortas="b-gjar">gjar</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="gjarsigner">
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<term><command>gjarsigner</command></term>
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<listitem>
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<para>is a Java ARchive (JAR) file signing and verification
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tool.</para>
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<indexterm zone="gcc gjarsigner">
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<primary sortas="b-gjarsigner">gjarsigner</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="gjavah">
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<term><command>gjavah</command></term>
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<listitem>
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<para>generates header files from Java class files.</para>
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|
<indexterm zone="gcc gjavah">
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<primary sortas="b-gjavah">gjavah</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="gjdoc">
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<term><command>gjdoc</command></term>
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<listitem>
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<para>is a documentation tool similar to <command>javadoc</command>.
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</para>
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<indexterm zone="gcc gjdoc">
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<primary sortas="b-gjdoc">gjdoc</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="gkeytool">
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|
<term><command>gkeytool</command></term>
|
|
<listitem>
|
|
<para>manages private keys and public certificates in a
|
|
<application>Java</application> environment.</para>
|
|
<indexterm zone="gcc gkeytool">
|
|
<primary sortas="b-gkeytool">gkeytool</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="gnative2ascii">
|
|
<term><command>gnative2ascii</command></term>
|
|
<listitem>
|
|
<para>is an encoding converter for <application>Java</application>.</para>
|
|
<indexterm zone="gcc gnative2ascii">
|
|
<primary sortas="b-gnative2ascii">gnative2ascii</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="gorbd">
|
|
<term><command>gorbd</command></term>
|
|
<listitem>
|
|
<para>is an object request broker daemon.</para>
|
|
<indexterm zone="gcc gorbd">
|
|
<primary sortas="b-gorbd">gorbd</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="grmic-gcc">
|
|
<term><command>grmic</command></term>
|
|
<listitem>
|
|
<para>generates stubs for Remote Method Invocation.</para>
|
|
<indexterm zone="gcc grmic-gcc">
|
|
<primary sortas="b-grmic">grmic</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="grmid-gcc">
|
|
<term><command>grmid</command></term>
|
|
<listitem>
|
|
<para>RMI activation system daemon.</para>
|
|
<indexterm zone="gcc grmid-gcc">
|
|
<primary sortas="b-grmid">grmid</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="grmiregistry-gcc">
|
|
<term><command>grmiregistry</command></term>
|
|
<listitem>
|
|
<para> starts a remote object registry on the current host.</para>
|
|
<indexterm zone="gcc grmiregistry-gcc">
|
|
<primary sortas="b-grmiregistry">grmiregistry</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="gserialver">
|
|
<term><command>gserialver</command></term>
|
|
<listitem>
|
|
<para> prints the serialVersionUID of the specified class.</para>
|
|
<indexterm zone="gcc gserialver">
|
|
<primary sortas="b-gserialver">gserialver</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="gtnameserv">
|
|
<term><command>gtnameserv</command></term>
|
|
<listitem>
|
|
<para> starts a naming service.</para>
|
|
<indexterm zone="gcc gtnameserv">
|
|
<primary sortas="b-gtnameserv">gtnameserv</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="jcf-dump">
|
|
<term><command>jcf-dump</command></term>
|
|
<listitem>
|
|
<para>prints information about <application>Java</application>
|
|
class files.</para>
|
|
<indexterm zone="gcc jcf-dump">
|
|
<primary sortas="b-jcf-dump">jcf-dump</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="jv-convert">
|
|
<term><command>jv-convert</command></term>
|
|
<listitem>
|
|
<para>converts files from one encoding to another.</para>
|
|
<indexterm zone="gcc jv-convert">
|
|
<primary sortas="b-jv-convert">jv-convert</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
<varlistentry id="rebuild-gcj-db">
|
|
<term><command>rebuild-gcj-db</command></term>
|
|
<listitem>
|
|
<para>Merge the per-solib databases made by
|
|
<application>aot-compile</application> into one system-wide
|
|
database.</para>
|
|
<indexterm zone="gcc rebuild-gcj-db">
|
|
<primary sortas="b-rebuild-gcj-db">rebuild-gcj-db</primary>
|
|
</indexterm>
|
|
</listitem>
|
|
</varlistentry>
|
|
|
|
</variablelist>
|
|
|
|
</sect2>
|
|
|
|
</sect1>
|