Problem linking java program

[Julien Claassen <julien at c-lab dot de>]

Hello all!
  I wanted to compile a helloworld program with selfcompiled gcc-3.4.3 (see
below for more info). It had linking problems. Compile only works fine.
  The program was:
// Begin of Test.java

import java.lang.*;

class Test
{
	public static void main(String args[])
	{
		System.out.println("Hello world.\n");
	}
};

// EOF
  The gcj call and output was:
gcj Test.java

/usr/lib/crt1.o: In function `_start':
/usr/lib/crt1.o(.text+0x18): undefined reference to `main'
collect2: ld returned 1 exit status
  I tried gcc, which gave some additional info:
gcc Test.java

/usr/lib/crt1.o: In function `_start':
/usr/lib/crt1.o(.text+0x18): undefined reference to `main'
/tmp/ccq72aMH.o: In function `Test::main(JArray<java::lang::String*>*)':
/tmp/ccq72aMH.o(.text+0x8): undefined reference to `java::lang::System::class$'
/tmp/ccq72aMH.o(.text+0x1b): undefined reference to `_Jv_InitClass'
/tmp/ccq72aMH.o(.text+0x28): undefined reference to `java::lang::System::class$'
/tmp/ccq72aMH.o(.text+0x2d): undefined reference to `_Jv_InitClass'
/tmp/ccq72aMH.o(.text+0x37): undefined reference to `java::lang::System::out'
/tmp/ccq72aMH.o: In function `Test::Test()':
/tmp/ccq72aMH.o(.text+0x5f): undefined reference to `java::lang::Object::Object()'
/tmp/ccq72aMH.o(.data+0x50): undefined reference to `java::lang::Object::finalize()'
/tmp/ccq72aMH.o(.data+0x54): undefined reference to `java::lang::Object::hashCode()'
/tmp/ccq72aMH.o(.data+0x58): undefined reference to `java::lang::Object::equals(java::lang::Object*)'
/tmp/ccq72aMH.o(.data+0x5c): undefined reference to `java::lang::Object::toString()'
/tmp/ccq72aMH.o(.data+0x60): undefined reference to `java::lang::Object::clone()'
/tmp/ccq72aMH.o(.data+0xa0): undefined reference to `vtable for java::lang::Class'
/tmp/ccq72aMH.o(.data+0xb4): undefined reference to `java::lang::Object::class$'
/tmp/ccq72aMH.o(.eh_frame+0x11): undefined reference to `__gcj_personality_v0'
collect2: ld returned 1 exit status
My gcc was compiled with this config:
gcc -v
Reading specs from /usr/local/gcc343/lib/gcc/i686-pc-linux-gnu/3.4.3/specs
Configured with: ../gcc-3.4.3/configure --prefix=/usr/local/gcc343 --enable-threads=posix --enable-__cxa_atexit --enable-version-specific-runtime-libs --enable-languages=c,c++,f77,objc,java --enable-gather-detailed-mem-stats --enable-nls --with-included-gettext --enable-interpreter --enable-libgcj-multifile --with-x --enable-java-awt=xlib
Thread model: posix
gcc version 3.4.3
  I've got an i686 athlon (k7) machine with SuSE 8.1 glibc-2.2.5 (the crt1.o
is in that package).
  I looked into the crt1.o with nm, here's the small output:
nm /usr/lib/crt1.o

00000004 R _IO_stdin_used
00000000 D __data_start
         U __libc_start_main
         U _fini
00000000 R _fp_hw
         U _init
00000000 T _start
00000000 W data_start
         U main
  Can anyone help me? Did I forget to install/update something? How about
environment variables anything SPECIAL I need?
  Kindest regards and thanks for any help
            Julien

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