/cs$ jam
...patience...
...patience...
...found 2876 target(s)...
...updating 2 target(s)...
Ant ./out/linuxx86/optimize/plugins/cscript/csjava/crystalspace.jar
Unable to locate tools.jar. Expected to find it in /usr/lib/jvm/java-1.4.2-gcj-4.1-1.4.2.0/lib/tools.jar
BUILD FAILED
/home/telchar/development/cs/out/linuxx86/optimize/plugins/cscript/csjava/build.xml:28: Unable to find a javac compiler;
com.sun.tools.javac.Main is not on the classpath.
Perhaps JAVA_HOME does not point to the JDK
Total time: 1 second
"/usr/bin/ant" -quiet -emacs -Dbuild.compiler.emacs=true -buildfile ./out/linuxx86/optimize/plugins/cscript/csjava/build.xml
...failed Ant ./out/linuxx86/optimize/plugins/cscript/csjava/crystalspace.jar ...
...skipped <csjavafinal>crystalspace.jar for lack of <csjava>crystalspace.jar...
...failed updating 1 target(s)...
...skipped 1 target(s)...