Re: Re: JDK used for compiling

Sven Köhler kirjoitti:
>> On Sun, 2007-11-18 at 20:06 +0100, Sven Köhler wrote:
>>>>> I was conviced, that ebuilds always use the lowest JDK version possible.
>>>>> But it seems, that packages use the System VM - which is 1.6 in my case.
>>>>> But 1.5 is also installed.
>>>> Ebuilds compile source/target based on the lowest JDK version specified
>>>> in the ebuild. Which vm is used is controlled by by the ebuild and/or
>>>> the env. But most times that's restricted just to a version that
>>>> satisfied a virtual. Not specific vms.
>>> Oh good! I was hoping to hear that.
>>>
>>> But here, on my machine with default config, i'm compiling
>>> commons-daemon, and it says "using sun-jdk-1.6".
>>> Oh, and even if i set the system VM to 1.5, it still uses sun-jdk-1.6.
>>> Strange! Look:
>> SYSTEM VM != BUILD VM
>>
>>> Why that? I don't find any particular line in commons-daemon's ebuild
>>> which specifies, that it should use JDK 1.6 instead of JDK 1.5.
>>> The dependencies are >=virtual/jdk-1.4 and such.
>> http://www.gentoo.org/doc/en/java.xml#doc_chap5
> 
> OK, so i don't understand.
> 
> Why does commons-daemon use sun-jdk-1.6 to compile while sun-jdk-1.5* is
> installed too?
> 

The default choice is the highest version of the default vm set for the
arch.

betelgeuse@pena /usr/share/java-config-2/config $ cat jdk-defaults.conf
# This files contain the default support jdk's
*= sun-jdk blackdown-jdk ibm-jdk-bin jrockit-jdk-bin

On x86 and amd64 this means that the highest version of sun-jdk
installed is used. But yeah I think it would be nicer to use the system
vm in case jdk.conf does not specify anything.

Regards,
Petteri

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