Subject:
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Re: a problem ... need some help !
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Sat, 5 Feb 2005 06:09:57 GMT
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Viewed:
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5275 times
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On the off-chance you might be trying to use lejos with BricxCC here are a few
instructions that should get things working.
It has been a while since I tried to use lejos with a recent java SDK and it
turns out that the pre-built minimal lejos installer I wrote has a small problem
with the recent JDKs. In order to get it to work a very simple change needs to
be made to the Java makefile template on the Preferences dialog, Compiler tab,
Java tab. Add -target 1.1 to the line containing $(LEJOSC) as demonstrated
here:
$(LEJOSC) -target 1.1 $<
Also, you need to set the JDK path to be the root of the directory where your
JDK is installed. Mine looks like this:
C:\j2sdk1.4.2_06
With these two simple changes to the default configuration in BricxCC I can
compile the sample applications that I included in the minimal lejos installer.
If you want to execute lejosc or lejos directly from a cygwin prompt then you
need to set JAVAC=c:\j2sdk1.4.2_06/bin/javac. If you look at the makefile
template you can see that it is doing exactly that. Of course, if your JDK is
installed in a different directory then your value for JAVAC and the JDK path in
BricxCC will be different.
John Hansen
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Message has 1 Reply:
 | | Re: a problem ... need some help !
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| hi,,, thanks, i just defined JAVAC to where my javac is and its working but there is a small problem that i have to put the java file im compiling in lejos\bin because it doesn't work when i set the CLASSPATH ! i also defined JAVA env var to (...) (20 years ago, 5-Feb-05, to lugnet.robotics.rcx)
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Message is in Reply To:
| | a problem ... need some help !
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| hi everyone, im just starting to work with lego RIS2.0 and Lejos, but i have a problem with the lejos setup i did all the instructions and when i tried to compile a java file using the lejosc command i got this reply: Unable to execute javac. Return (...) (20 years ago, 4-Feb-05, to lugnet.robotics.rcx)
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