Egon Willighagen writes: > > cc: debian-java -> I need a bit of help here, see below > > On Wednesday 11 October 2006 15:48, Dirk Eddelbuettel wrote: > > | > Unfortunately, JGR is still somewhat outside Debian as it wants Sun's > > | > Java JDK so I don't think I'll ever package it directly. Now, if > > | > someone wanted to outside of Debian ... In fact, the CRAN maintainers > > | > mention that idea. Maybe one day. > > | > > | Did you try it with JamVM/Classpath? I will have a go at that in running > > | JGR, and report problems with the Classpath team. > > > > I do not use Java myself, so I wouldn't be the one to try this. It would > > be nice if someone like you with R and Java clues coud try it. I honestly > > do not know what is involved but I have the suspicion that it is no cake > > walk. > > I've found out that it now actually is a package on CRAN, and installs fine, > and really just depends on rJava for the Java binding. (JGR and rJava are > downloaded as source tar.gz from [1]). > > I had a brief go at installing rJava against GIJ: > > $ JAVA_HOME=/usr/lib/jvm/java-1.4.2-gcj-4.1-1.4.2.0 R CMD > INSTALL --library=/usr/local/lib/R/site-library rJava_0.4-11.tar.gz > > (R comes with the package r-base). > > You need to have java-gcj-compat-dev and libgcj-bc installed. > > But it fails because of this call: > > /usr/lib/jvm/java-1.4.2-gcj-4.1-1.4.2.0/bin/javac -target 1.4 -source > 1.4 -target 1.4 -source 1.4 -classpath src/JRI.jar -d examples > examples/rtest.java > > Note the duplicate '-target 1.4 -source 1.4', which is OK for the Sun javac, > but breaks compiling with gcj 4.1 javac.
What is javac here? If it's a link to ecj, which it should be, this will work. > A workaround is not compiling the examples, which can be done by modifying > (after tar zxvf) the rJava/jri/Makefile.all, and make it look like: > > examples/%.class: examples/%.java src/JRI.jar > #$(JAVAC) $(JFLAGS) -classpath src/JRI.jar -d examples $< > > Then the package installs. > > However, running it still fails with this error: > $ R > <snip> > > and then on the R command line: > > library(rJava) > > which fails with: > > Error in dyn.load(x, as.logical(local), as.logical(now)) : > unable to load shared > library '/usr/local/lib/R/site-library/rJava/libs/rJava.so': > libjvm.so: cannot open shared object file: No such file or directory > Error in library(rJava) : .First.lib failed for 'rJava' > > Not sure what else I can/should try now. Ideas? Did you install rJava.so? If so, where is it? Did it even get built? Andrew. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
