Re: Building against 10.5 SDK, link error on "open"
Re: Building against 10.5 SDK, link error on "open"
- Subject: Re: Building against 10.5 SDK, link error on "open"
- From: "Julien Jalon" <email@hidden>
- Date: Tue, 10 Jun 2008 08:38:07 -0700
The basic POSIX functions have changed a bit in Leopard (to achieve POSIX
conformance). This means that POSIX libraries are different in 10.4 SDK vs.
10.5. You can not mix them. Also, if you change the SDK, it's generally a
good idea to clean all your targets.
--
Julien
On Tue, Jun 10, 2008 at 7:34 AM, Dale Jensen <email@hidden>
wrote:
> I'm trying to get my project to build against the 10.5 SDK, but when I
> switch it from $(DEVELOPER_SDK_DIR)/MacOSX10.4u.sdk to 10.5, I get a couple
> of errors:
>
> Undefined symbols:
> "_open$UNIX2003", referenced from:
> _CreateEventForPath in editorBridge.o
> "_close$UNIX2003", referenced from:
> _SimplePing in SimplePing.o
> _CreateSocketForCommunicationWithHost in SimplePing.o
> ld: symbol(s) not found
> collect2: ld returned 1 exit status
>
> SimplePing.o is from the Apple provided example. editorBridge is mine, an
> implementation of kQueue, which uses the "open" found in fcntl.h
>
> I don't know enough about UNIX flavoured C to figure out what settings I
> might need to change to solve the link error. Suggestions? Thanks!
>
>
> dale
>
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