Re: something wrong with architecture and compiling
Re: something wrong with architecture and compiling
- Subject: Re: something wrong with architecture and compiling
- From: Sherm Pendley <email@hidden>
- Date: Tue, 3 Nov 2009 15:09:11 -0500
On Tue, Nov 3, 2009 at 2:23 PM, Jacob Juul Kolding <email@hidden> wrote:
> On Nov 3, 2009, at 7:32 PM, Sherm Pendley wrote:
>
>> On Tue, Nov 3, 2009 at 12:25 PM, Jacob Juul Kolding <email@hidden>
>> wrote:
>>>
>>> I have the same problem when trying to link a program that uses macport
>>> libs.
>>> It compiles fine, but during linking there's warnings and errors for
>>> every
>>> macport lib: file is not of required architecture
>>
>> Were the macport libraries built as universal libraries? Do they
>> include support for every architecture for which you're trying to
>> compile your app?
>
> I'm not sure, just did: port install all.
>
> Is there any way to check what arch a dylib is compiled as?
The "file" or "lipo" commands will tell you:
Gramps:~ sherm$ file /opt/local/lib/libgmp.dylib
/opt/local/lib/libgmp.dylib: Mach-O dynamically linked shared library ppc
Gramps:~ sherm$ lipo -info /opt/local/lib/libgmp.dylib
Non-fat file: /opt/local/lib/libgmp.dylib is architecture: ppc
> How should I compile/install the macports?
As you can see from the above, by default it only builds a native
binary for the host machine. Many ports have a universal variant that
you can install though:
port install whatever +universal
Have a look at <http://guide.macports.org/#using.variants> for
details, and keep in mind that you may also need to reinstall any
prerequisite packages too, if they weren't installed with the
+universal variant.
sherm--
--
Cocoa programming in Perl: http://camelbones.sourceforge.net
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