Re: openjdk-6 build failure on m68k - problem with fork="true" ant javac target

[Xerxes Rånby <xerxes@zafena.se>]

I have spotted a problem with ant javac target on debian m68k.

ant javac targets with fork="true" on m68k makes the whole ant build  
exit directly after the javac task ends. This screws the openjdk6  
build on m68k since the langtools classes and bootstrap files are not  
fully built.

I have created a testcase to reproduce this bug that can be  
downloaded from:
http://labb.zafena.se/m68k-ant/antforktruetest.tar.gz

This ant bug is present on the m68k buildd machines and can be  
spotted in the m68k openjdk6 buildd log by looking for the missing  
BUILD SUCCESSFUL after all ant builds. The first ant build in  
openjdk6 is run directly after sanity check is done.
search for
make[3]: Entering directory `/build/buildd/openjdk-6-6b11/openjdk-ecj/ 
langtools/make'
to see the ant bug in action in the m68k buildd log : http:// 
buildd.debian.org/fetch.cgi? 
pkg=openjdk-6;ver=6b11-9;arch=m68k;stamp=1223969321

I have stored my ant -diagnostics log here for reference:
http://labb.zafena.se/m68k-ant/ant-diagnostics.m68k.log

=============================================================
Output from testcase on m68k:
xerxes@aranym-m68k:~/antforktruetest$ ant
Buildfile: build.xml

build:
     [echo] running testcase to see if ant javac work, javac task  
with fork='true' makes ant exit after compile on debian m68k without  
running all remaining tasks and targets
    [mkdir] Created dir: /home/xerxes/antforktruetest/destforkfalse
    [mkdir] Created dir: /home/xerxes/antforktruetest/destforktrue
     [echo] removing compiled classfiles if they exist or else they  
will hide the bug
     [echo] compiling hello world using javac task with fork='false'
    [javac] Compiling 1 source file to /home/xerxes/antforktruetest/ 
destforkfalse
     [echo] compiling hello world using javac task with fork='true'
    [javac] Compiling 1 source file to /home/xerxes/antforktruetest/ 
destforktrue
xerxes@aranym-m68k:~/antforktruetest$ echo $?
0
xerxes@aranym-m68k:~/antforktruetest$ ls destforktrue
HelloWorld.class
xerxes@aranym-m68k:~/antforktruetest$ cd destforktrue
xerxes@aranym-m68k:~/antforktruetest/destforktrue$ java HelloWorld
Hello World!
xerxes@aranym-m68k:~/antforktruetest/destforktrue$

It is quite tricky to spot that ant have failed here since the  
classes are compiled with javac (works fine with java too) and ant  
exited with success yet ant have not run all its tasks! Compare with  
the output below to see that ant is broken.

=============================================================
Expected output from testcase (here run successfully on a ubuntu x86  
installation):
xerxes@labb:~/antforktruetest$ ant
Buildfile: build.xml

build:
     [echo] running testcase to see if ant javac work, javac task  
with fork='true' makes ant exit after compile on debian m68k without  
running all remaining tasks and targets
    [mkdir] Created dir: /home/xerxes/antforktruetest/destforkfalse
    [mkdir] Created dir: /home/xerxes/antforktruetest/destforktrue
     [echo] removing compiled classfiles if they exist or else they  
will hide the bug
     [echo] compiling hello world using javac task with fork='false'
    [javac] Compiling 1 source file to /home/xerxes/antforktruetest/ 
destforkfalse
     [echo] compiling hello world using javac task with fork='true'
    [javac] Compiling 1 source file to /home/xerxes/antforktruetest/ 
destforktrue
     [echo] success working ant with javac tasks!

BUILD SUCCESSFUL
Total time: 9 seconds
xerxes@labb:~/antforktruetest$

=====================================================================

Cheers
Xerxes


15 sep 2008 kl. 12.19 skrev Xerxes Rånby:
> On my machine i hit another build error a bit further: see the  
> attached log
> My icedtea6 build is configured with ./configure --with-jar=gjar-4.3
> For some reason JAVAC_CMD is unset when compiling the classlist for  
> the openjdk-ecj bootstrap part.
>
> xerxes@aranym-m68k:~/zero/icedtea6$ hg tip
> changeset:   1040:c46e727121a8
> tag:         tip
> user:        doko@ubuntu.com
> date:        Sat Sep 13 09:32:12 2008 +0200
> summary:     2008-09-12  Matthias Klose  <doko@ubuntu.com>
>
> ../../../src/share/classes/sun/reflect/Reflection.java
> # Running javac:
> -sourcepath /home/xerxes/zero/icedtea6/generated:../../../src/ 
> solaris/classes:../../../src/share/classes -bootclasspath /home/ 
> xerxes/zero/icedtea6/bootstrap/jdk1.7.0/jre/lib/rt-closed.jar::/ 
> home/xerxes/zero/icedtea6/openjdk-ecj/control/build/linux-m68k/ 
> classes -d /home/xerxes/zero/icedtea6/openjdk-ecj/control/build/ 
> linux-m68k/classes @/home/xerxes/zero/icedtea6/openjdk-ecj/control/ 
> build/linux-m68k/tmp/java/java.lang/java/.classes.list
> /bin/sh: line 6: -sourcepath: command not found
> make[4]: *** [.compile.classlist] Error 127
> make[4]: Leaving directory `/home/xerxes/zero/icedtea6/openjdk-ecj/ 
> jdk/make/java/java'
> make[3]: *** [all] Error 1
> make[3]: Leaving directory `/home/xerxes/zero/icedtea6/openjdk-ecj/ 
> jdk/make/java'
> make[2]: *** [all] Error 1
> make[2]: Leaving directory `/home/xerxes/zero/icedtea6/openjdk-ecj/ 
> jdk/make'
> make[1]: *** [jdk-build] Error 2
> make[1]: Leaving directory `/home/xerxes/zero/icedtea6/openjdk-ecj/ 
> control/make'
> make: *** [stamps/icedtea-ecj.stamp] Error 2
> xerxes@aranym-m68k:~/zero/icedtea6$