[Bug 2929] configure: error: "A JDK home directory could not be found."

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=2929

Xerxes Rånby <xerxes at zafena.se> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |xerxes at zafena.se

--- Comment #5 from Xerxes Rånby <xerxes at zafena.se> ---
Your content of the SDK directory is incomplete and is missing the javac
command.

$ tree /usr/lib/jvm
/usr/lib/jvm
|-- bin
|   |-- appletviewer -> ../../../bin/gappletviewer
|   |-- jar -> ../../../bin/gjar
|   |-- jarsigner -> ../../../bin/gjarsigner
|   |-- java -> ../../../bin/gij
                                    <----- javac is missing here!
|   |-- javadoc -> ../../../bin/gjdoc
|   |-- javah -> ../../../bin/gjavah

You need a symlink named javac
that needs to point to a shell script that calls ecj or a statically compiled
ecj-gcj binary with the right command line arguments.

On my linux distribution when using a SDK based on gcj and ecj then
javac points to /usr/bin/ecj

and this ecj script contain:

#! /bin/sh

case "$*" in
  *-bootclasspath*) ;;
  *)
    if [ ! -f /usr/lib/jvm/java-gcj/jre/lib/rt.jar ]; then
      bcoption="-bootclasspath /usr/share/java/libgcj-4.8.jar"
    fi
esac

if [ -x /usr/bin/ecj-gcj ]; then

    exec /usr/bin/ecj-gcj \
    $bcoption ${1+"$@"}

else

    case $CLASSPATH in
      */usr/share/java/ecj.jar*) ;;
      */usr/share/java/eclipse-ecj.jar*) ;;
      *) CLASSPATH=${CLASSPATH:+$CLASSPATH:}/usr/share/java/eclipse-ecj.jar
    esac
    export CLASSPATH

    exec /usr/bin/gij-4.8 \
        -Dgnu.gcj.precompiled.db.path=/var/lib/gcj-$ver/classmap.db \
        -Djava.ext.dirs=/usr/lib/java-ext:/usr/share/java-ext \
        org.eclipse.jdt.internal.compiler.batch.Main $bcoption ${1+"$@"}

fi

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