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94 lines
3.1 KiB
94 lines
3.1 KiB
7 years ago
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# ---------------------------------------------------------------------------
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# This script creates a directory structure below /usr/lib/jvm and populates
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# it with symlinks to GCC binaries.
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# This will work as a compatibility layer to emulate an Oracle JDK/JRE.
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# This emulation is required in order to compile OpenJDK using GNU java.
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#
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# The same can automatically be achieved in Slackware's gcc packages if
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# the 'configure' command is called with the following additional parameters:
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# --enable-java-home \
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# --with-java-home=/usr/lib$LIBDIRSUFFIX/jvm/jre \
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# --with-jvm-root-dir=/usr/lib$LIBDIRSUFFIX/jvm \
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# --with-jvm-jar-dir=/usr/lib$LIBDIRSUFFIX/jvm/jvm-exports \
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# --with-arch-directory=$LIB_ARCH \
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#
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# Author: Eric Hameleers <alien@slackware.com> December 2011
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# ---------------------------------------------------------------------------
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# Automatically determine the architecture we're building on:
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if [ -z "$ARCH" ]; then
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case "$( uname -m )" in
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i?86) export ARCH=i486 ;;
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arm*) export ARCH=arm ;;
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# Unless $ARCH is already set, use uname -m for all other archs:
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*) export ARCH=$( uname -m ) ;;
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esac
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fi
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if [ "$ARCH" = "i486" ]; then
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SLKCFLAGS="-O2 -march=i486 -mtune=i686"
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LIBDIRSUFFIX=""
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LIB_ARCH=i386
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elif [ "$ARCH" = "i686" ]; then
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SLKCFLAGS="-O2 -march=i686 -mtune=i686"
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LIBDIRSUFFIX=""
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LIB_ARCH=i386
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elif [ "$ARCH" = "x86_64" ]; then
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SLKCFLAGS="-O2 -fPIC"
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LIBDIRSUFFIX="64"
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LIB_ARCH=amd64
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else
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SLKCFLAGS="-O2"
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LIBDIRSUFFIX=""
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LIB_ARCH=$ARCH
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fi
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# Where does the OpenJDK SlackBuild expect the GNU java compatibility symlinks:
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JVM=${1:-/usr/lib${LIBDIRSUFFIX}/jvm}
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BINDIR=/usr/bin
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# What version of GCC do we have installed:
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GCJVER=$(gcj -dumpversion)
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# First, remove the old set of symlinks if they should exist:
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rm -fr $JVM
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# Create a JDK compatible directory structure for GNU java:
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mkdir -p $JVM
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mkdir -p $JVM/bin
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mkdir -p $JVM/jre/bin
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mkdir -p $JVM/jre/lib/${LIB_ARCH}/client
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mkdir -p $JVM/jre/lib/${LIB_ARCH}/server
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mkdir -p $JVM/lib
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ln -sf $BINDIR/gjar $JVM/bin/jar
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ln -sf $BINDIR/grmic $JVM/bin/rmic
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ln -sf $BINDIR/gjavah $JVM/bin/javah
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ln -sf $BINDIR/jcf-dump $JVM/bin/javap
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ln -sf $BINDIR/gappletviewer $JVM/bin/appletviewer
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ln -sf $BINDIR/grmiregistry $JVM/bin/rmiregistry
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ln -sf $BINDIR/grmiregistry $JVM/jre/bin/rmiregistry
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ln -sf $BINDIR/gkeytool $JVM/bin/keytool
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ln -sf $BINDIR/gkeytool $JVM/jre/bin/keytool
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ln -sf $BINDIR/gij $JVM/bin/java
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ln -sf $BINDIR/ecj $JVM/bin/javac
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ln -sf /usr/lib/gcj-${GCJVER}-11/libjvm.so $JVM/jre/lib/${LIB_ARCH}/client/libjvm.so
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ln -sf /usr/lib/gcj-${GCJVER}-11/libjvm.so $JVM/jre/lib/${LIB_ARCH}/server/libjvm.so
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ln -sf /usr/lib/gcj-${GCJVER}-11/libjawt.so $JVM/jre/lib/${LIB_ARCH}/libjawt.so
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ln -sf /usr/share/java/libgcj-${GCJVER}.jar $JVM/jre/lib/rt.jar
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ln -sf /usr/share/java/libgcj-tools-${GCJVER}.jar $JVM/lib/tools.jar
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ln -sf /usr/include/c++/${GCJVER}/gnu/java $JVM/include
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# Add a Eclipse Java Compiler wrapper which is required
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# for bootstrapping OpenJDK using GNU java:
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cat <<EOT > /usr/bin/ecj
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#!/bin/sh
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CLASSPATH=/usr/share/java/ecj.jar\${CLASSPATH:+:}\$CLASSPATH \
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java org.eclipse.jdt.internal.compiler.batch.Main "\$@"
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EOT
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chmod 755 /usr/bin/ecj
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