GCJ is the GNU compiler for the Java programming language. It can compile Java source code to Java bytecode, or directly to native code.
Questions tagged [gcj]
75 questions
2
votes
3 answers
using cygwin compile java file to windows native code
I have written a small java application for one of my homework. the problem is the teacher may not have JRE installed. what i want to id to compile the java file to window exe file so the teacher can run it without the JRE installed.
i use the gcj…
danny
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votes
1 answer
GCJ for NetBeans
How can I compile a Java program by GCJ compiler in NetBeans? Is there any plugin for it?
ehsun7b
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2
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1 answer
GJC - an external jar
Please don't go into a rant why I shouldn't be using GJC, I understand the con's of it.
The question is, can I link a compiled library just as if using a regular jar?
// this works and links to the jarfiles.jar
java -cp lib/jarfiles.jar:classes…
Frankie
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Anyone here have any experience using gcj's CNI for java external libraries?
I've been interested in doing some work on a desktop application for while now and my most proficient language is Java. Due to wanting to be able to compile down to a native executable, does anyone have any experience they would like to share about…
sdellysse
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2 answers
Combining Java and C without gcj -- move C to Java or Java to C?
First, I have no experience doing this. But like the beginning of any good program, I have problem that I need to fix, so I'm willing to learn.
So many of you are probably already familiar with pdftk, the handy utility for handling various…
Anthony
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2
votes
3 answers
Referencing libraries for a Linux executable
I have written an application in Java and succesfully compiled it using gcj. It worked surprisingly well, but I've run into a hurdle: I can only run the executable through a shell script, because I have to specify the library paths.
The libraries I…
Paul Lammertsma
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votes
2 answers
How To Ignore Warnings With GCJ
I have some classes that implement interfaces, some of which have methods whose parameters are by definition unused in the particular class implementation. e.g. A "Shape" interface may define a "contains(point)" method, but my particular class…
Cerin
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the program javac can be found in the following packages ubuntu
typing
$ java -version
The program 'java' can be found in the following packages:
* gcj-4.4-jre-headless
* gcj-4.5-jre-headless
* openjdk-6-jre-headless
Try: sudo apt-get install
I've installed oracle…
gva
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How can I compile files separately with gcj?
I use gcj (Cygwin version) to compile 2 java files
$ gcj --version
gcj (GCC) 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)
Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is…
Luc M
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How do you link the correct ABI versions with GCJ for foregin jars?
I had decided to try and compile minecraft into a native binary.
For that I used the following (approximately, optimization may have differed):
gcj -c -O2 -fjni -findirect-dispatch ./minecraft.jar &
gcj -c -O2 -fjni -findirect-dispatch ./jinput.jar…
Not a Name
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How to Compile Java Servlets and many other classes with GCJ?
Currently i have a back-end system written in Java that process, massage and forward the data to a external HSM module for encryption. It was consider secure enough back then. However, recent audit findings requires all back-end Java classes to be…
Reusable
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vote
2 answers
Scanner class in Java5 throw java.lang.NullPointerException
I am using scanner class in java5, and the following code will throw an exception:
Scanner scanner = new Scanner
(new File(args[0]));
int dealId;
while (scanner.hasNextLine()) {
dealId = scanner.nextInt();
…
cheng
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vote
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How do I link jar packages together with *.java files during compilation using GCJ?
I have the following files:
A.jar (containing *.class files)
B.jar (containing *.class files)
Program.java (containing Program class with main function, which depends on A.jar and B.jar)
How can I build an executable file Program using GCJ?
Andrei Sedoi
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vote
1 answer
GCJ throws error: "Undefined reference to main" when compiling
I´d wanted to compile a simple Java "Hello World" program like it was repesented on the GeeksforGeeks Hello World Tutorial, by using gcj in Linux Ubuntu. This is the source code:
class HelloWorld
{
public static void main(String args[])
…
RobertS supports Monica Cellio
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vote
3 answers
GCC GCJ needs ECJ and Other Libraries?
So I just downloaded mingw-w64-bin_i686-mingw_20110410.zip from here (GCC 4.7 apparently), and discovered it had a very recent version of the GCJ compiler.
I tried using it, but apparently gcj requires ecj1.exe, which is the Eclipse compiler for…
user541686
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