CODEWITHSUNDEEP
javaobjective-ccode-conversion
user1676640
user1676640

Reputation: 635

j2objc: command not found

I have to convert java code to objective-c code. Here I have to write the following code and run on my terminal:

$ cat Hello.java 
public class Hello {
public static void main(String[] args) {
System.out.println("hello, world");
 }
 }
$ j2objc Hello.java
translating Hello.java
Translated 1 file: 0 errors, 0 warnings

To compile the translated file:

$ j2objcc -c Hello.m
$ j2objcc -o hello Hello.o

Here when I run $ j2objcc -o hello Hello.o on my terminal, I get the following error.

$ j2objcc -o hello Hello.o
Undefined symbols:
  "_objc_autoreleasePoolPop", referenced from:
      -[JavaLangThread run] in libjre_emul.a(Thread.o)
  "_objc_autoreleasePoolPush", referenced from:
      -[JavaLangThread run] in libjre_emul.a(Thread.o)
ld: symbol(s) not found
clang: error: linker command failed with exit code 1 (use -v to see invocation)

How can I resolve this error?

Upvotes: 0

Views: 2326

Answers (2)

tball
tball

Reputation: 2044

You need to add the path to where you unzipped the j2objc distribution bundle. For example:

$ cd $HOME
$ unzip ~/Downloads/j2objc-*.zip
$ export PATH=${PATH}:${HOME}/j2objc

Note: the export command above needs to be added to your ${HOME}/.bashrc file so it's set when you log out and back in.

Upvotes: 2

ArturoTena
ArturoTena

Reputation: 795

You comment you are using XCode 3.2.6. Currently, J2ObjC seems to require XCode 4+.

Reference: https://code.google.com/p/j2objc/

Upvotes: 1

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