Re: How to force a 32-bit/64-bit universal app to start in 32-bit mode on Leopard?
Re: How to force a 32-bit/64-bit universal app to start in 32-bit mode on Leopard?
- Subject: Re: How to force a 32-bit/64-bit universal app to start in 32-bit mode on Leopard?
- From: Oleg Krupnov <email@hidden>
- Date: Thu, 8 Apr 2010 08:53:06 -0700
This would be a perfect solution, but I've found that on Leopard, this
key seems to be ignored, the system still launches my app in 64-bit
mode (via Finder).
What may I be doing wrong?
Thanks!
On Thu, Apr 8, 2010 at 7:28 AM, Kevin Wojniak <email@hidden> wrote:
> In your Info.plist add:
>
> <key>LSMinimumSystemVersionByArchitecture</key>
> <dict>
> <key>x86_64</key>
> <string>10.6.0</string>
> </dict>
>
>
> Kevin
>
>
> On Apr 8, 2010, at 7:21 AM, Oleg Krupnov wrote:
>
>> Hi,
>>
>> While it's good for my app to run in 64-bit mode on Snow Leopard, it
>> turns out not desirable on Leopard, because of the delay of loading
>> all 64-bit frameworks (in case if my app is the first 64-bit app
>> launched after system boot). It literally makes me wait for about ten
>> seconds, and the performance gain of my app in 64-bit mode is
>> definitely not worth it on Leopard.
>>
>> My app is assembled as a universal binary that supports 3
>> architectures: 32-bit intel, 32-bit ppc and 64-bit intel. Obviously,
>> the system chooses the best architecture it can run, which is 64-bit
>> intel in case of Leopard.
>>
>> Is there a way to change that and force my app to run in 32 bit mode on Leopard?
>>
>> I would hate to have to supply two versions, one for Leopard and
>> another one for Snow Leopard.
>>
>> Thanks!
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