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Re: Java hello world link error


At 08:04 PM 12/20/2003, mauro zallocco wrote:

Folks,

I installed gcc-java on Windows XP, and am attempting to compile:

class Test {
  public static void main(String argv[]) {
      System.out.println("Hello World");
  }
}

with the following command:
g++ Test.java

This produces a gazillion link errors, a sample follows:
/cygdrive/c/DOCUME~1/mzallocc/LOCALS~1/Temp/ccywNFar.o(.text+0x2d):Test.java
: undefined reference to `__Jv_InitClass'
/cygdrive/c/DOCUME~1/mzallocc/LOCALS~1/Temp/ccywNFar.o(.text+0x37):Test.java
: undefined reference to `java::lang::System::out'
/cygdrive/c/DOCUME~1/mzallocc/LOCALS~1/Temp/ccywNFar.o(.text+0x5f):Test.java
: undefined reference to `java::lang::Object::Object[in-charge]()'
/cygdrive/c/DOCUME~1/mzallocc/LOCALS~1/Temp/ccywNFar.o(.text+0xc8):Test.java
: undefined reference to `__Jv_RegisterClass'



Why not start out by linking it as a java program, with gcj, rather than as C++ ?


Tim Prince


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