Bug 177324 – Odd missing `gnu.gcj.gcj-compiled' attribute

Bug 177324 - Odd missing `gnu.gcj.gcj-compiled' attribute

Summary:	Odd missing `gnu.gcj.gcj-compiled' attribute

Status:	CLOSED NOTABUG

Aliases:	None

Product:	Fedora
Classification:	Fedora
Component:	gcc (Show other bugs)
Sub Component:
Version:	rawhide
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Jakub Jelinek
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Reported:	2006-01-09 11:53 EST by Andrew Overholt
Modified:	2007-11-30 17:11 EST (History)
CC List:	2 users (show)

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Doc Type:	Bug Fix
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Last Closed:	2006-01-10 00:25:57 EST
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Description Andrew Overholt 2006-01-09 11:53:32 EST

Description of problem:
While trying to natively-compile the Eclipse automated tests, I ran into this
weird issue with one of the jars.

Version-Release number of selected component (if applicable):
gcc-java-4.1.0-0.14.i386
java-1.4.2-gcj-compat-1.4.2.0-40jpp_55rh.i386
java-1.4.2-gcj-compat-devel-1.4.2.0-40jpp_55rh.i386

How reproducible:
Always.

Steps to Reproduce:
1. wget http://overholt.ca/converterJclMin.jar.1.jar
2. gcj -shared -O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -m32
-march=i386 -mtune=pentium4 -fasynchronous-unwind-tables -fPIC
-findirect-dispatch -fjni -Wl,-Bsymbolic converterJclMin.jar.1.jar -o
converterJclMin.jar.so
  
Actual results:
java/lang/Object.java:0: fatal error: the âjava.lang.Objectâ that was found in
âjava/lang/Object.classâ didn't have the special zero-length
âgnu.gcj.gcj-compiledâ attribute.  This generally means that your classpath is
incorrectly set.  Use âinfo gcj "Input Options"â to see the info page describing
how to set the classpath compilation terminated.

Expected results:
Successful compilation.

Additional info:
This is not the first jar in the aot-compile-rpm run.  Many are compiled before
this failure.  I am using the system gcc from today's rawhide.

Comment 1 Tom Tromey 2006-01-09 12:11:21 EST

opsy. jar tvvf converterJclMin.jar.1.jar |grep Object
  1368 Tue Jan 01 00:00:00 MST 1980 java/lang/Object.class


gcj only likes to compile its own Object.  I think we saw
crashes when it compiled other variants of Object, and since
we didn't want to support this, we decided to simply give
an error if we detected this situation.

I wonder where the classes in this jar come from.  If they
aren't from libgcj.jar then maybe we shouldn't be distributing
them ...?

Anyway, one fix would be not to compile this jar.

Comment 2 Jakub Jelinek 2006-01-10 00:09:07 EST

So -> NOTABUG ?

Comment 3 Andrew Overholt 2006-01-10 00:25:57 EST

Yeah, NOTABUG.

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