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Date: Wed, 14 Nov 2012 12:14:56 -0500
From: =?ISO-8859-1?Q?Arne_Vajh=F8j?= <a...@vajhoej.dk>
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Subject: Re: Program in 32-bit, run on 64-bit OK?
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On 11/14/2012 12:11 PM, Cholo Lennon wrote:
> On 14/11/2012 11:12, Arne Vajh�j wrote:
>> On 11/14/2012 8:58 AM, sl@exabyte wrote:
>>> I am too sure on this.
>>>
>>> I am preparing to install OpenSuse v10 32-bit on my pc. This pc is for
>>> testing my C programs, which will eventually be transferred to my
>>> internet
>>> host which is running the 64-bit version.
>>>
>>> Can my programs run ?
>>>
>>> Off my head I think they should, but the reverse may not. Please
>>> correct me.
>>>
>>> Do I have to pick the correct compiler ?
>>
>> Pure Java:
>>
>>                   Run with 32    Run with 64
>> Build with 32       yes           yes
>> Build with 64       yes           yes
>>
>>
>> Pure C:
>>
>>                   Run on 32    Run on 64
>> Build for 32        yes           yes
>> Build for 64        no            yes
>>
>> Mix of Java and C via JNI:
>>
>>                   Run on/with 32    Run on/with 64
>> Build for 32          yes              no
>
> The OP can still run a 32-bit JNI java/C application on 64-bit: He/She
> just needs to use a 32-bit JVM.

Yes.

What do you think "with 64" meant?

>> Build for 64          no               yes

Arne