Re: [cbi-dev] Building with bree-libs causes a problem in org.eclipse.jd

[John Arthorne <John_Arthorne@xxxxxxxxxx>]

Why would Tycho be affected by who the
VM vendor is? Many of the class libraries are actually the same between
the IBM and Oracle JDK's, especially these javax.tools packages. Do you
think Tycho is making assumptions about JDK implementation details that
might not be true for the IBM JDK?

John

Igor Fedorenko <igor@xxxxxxxxxxxxxx>
Sent by: cbi-dev-bounces@xxxxxxxxxxx

09/17/2012 04:02 PM

Please respond to
Common-build Developers discussion <cbi-dev@xxxxxxxxxxx>

To	cbi-dev@xxxxxxxxxxx
cc
Subject	Re: [cbi-dev] Building with bree-libs causes a        problem        in        org.eclipse.jdt.compiler.tool

I believe this error can be explained by lack of IBM
JDK support in Tycho.

--
Regards,
Igor

On 12-09-17 3:59 PM, John Arthorne wrote:
> I have entered this bug against JDT:
>
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=389759
>
> John
>
>
>
> *Igor Fedorenko <igor@xxxxxxxxxxxxxx>*
> Sent by: cbi-dev-bounces@xxxxxxxxxxx
>
> 09/17/2012 03:02 PM
> Please respond to
> Common-build Developers discussion <cbi-dev@xxxxxxxxxxx>
>
>
>                  
> To
>                  cbi-dev@xxxxxxxxxxx
> cc
>                  
> Subject
>                  Re:
[cbi-dev] Building with bree-libs causes a problem      
 in
>   org.eclipse.jdt.compiler.tool
>
>
>                  
>
>
>
>
>
>
>
> On 12-09-17 2:12 PM, John Arthorne wrote:
>  > I think being able to compile against IBM JDK is important.
The Oracle
>  > JVM is not available on all platforms. In fact I thought
>  > build.eclipse.org was only using IBM JDK because there
is no HotSpot for
>  > Linux PPC-64.
>
> Currently, it is not necessary to use JDK compatible with the
> build system. This is the case for Tycho and I also believe this is
true
> for PDE/Build too. For example, build.eclipse.org uses win32 version
of
> 1.4 jdk as far as I can tell. At least it was when I was setting up
BREE
> libraries for CBI build.
>
>
>  >
>  > I also suggest entering a bug against JDT core for this.
This is JDT
>  > core compiling itself, so there's a good chance the problem
is in
> there ;)
>  >
>
> What JDT bug?
>
> JDT does not calculate compile classpath, at least not during Tycho
> build, so the bug should be against Tycho, not JDT
>
> If you are talking discrepancies when building against SUN and IBM
JDKs,
> I do not know enough this to know if the problem is in JDT or IBM
JDK. I
> brought this issue on cbi-dev earlier [1], btw.
>
>
> [1] http://dev.eclipse.org/mhonarc/lists/cbi-dev/msg00587.html
>
>
> --
> Regards,
> Igor
>
>
>  > John
>  >
>  >
>  >
>  > *Igor Fedorenko <igor@xxxxxxxxxxxxxx>*
>  > Sent by: cbi-dev-bounces@xxxxxxxxxxx
>  >
>  > 09/17/2012 01:52 PM
>  > Please respond to
>  > Common-build Developers discussion <cbi-dev@xxxxxxxxxxx>
>  >
>  >
>  >
>  > To
>  >                
 cbi-dev@xxxxxxxxxxx
>  > cc
>  >
>  > Subject
>  >                
 Re: [cbi-dev] Building with bree-libs causes a
> problem in
>  >   org.eclipse.jdt.compiler.tool
>  >
>  >
>  >
>  >
>  >
>  >
>  >
>  >
>  > No. How Tycho looks for jars is coded in java.
>  >
>  > Is this a requirement to be able to compile against IBM
JDK? I know that
>  > compiling against IBM JDK 1.4 resulted in some discrepancies
in
>  > generated class files compared to Juno, so I wonder if
we can assume
>  > Oracle/SUN JDK for now.
>  >
>  > --
>  > Regards,
>  > Igor
>  >
>  > On 12-09-17 1:40 PM, Paul Webster wrote:
>  >  > On Mon, Sep 17, 2012 at 1:24 PM, Igor Fedorenko
<igor@xxxxxxxxxxxxxx
>  >  > <mailto:igor@xxxxxxxxxxxxxx>>
wrote:
>  >  >
>  >  >     Does the build work with Oracle/SUN
JDK set in toolchain.xml?
>  >  >
>  >  >
>  >  > Looks like it works with an Oracle JDK.  Maybe
a mismatch in the jars
>  >  > that the toolchain looks for and the IBM JRE
provides?
>  >  >
>  >  > Is that something that can be modified in the
toolchain.xml file?
>  >  >
>  >  > Later,
>  >  > PW
>  >  >
>  >  > --
>  >  > Paul Webster
>  >  > Hi floor.  Make me a sammich! - GIR
>  >  >
>  >  >
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