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Re: Hundred of C++ linker warnings in Xcode 3: odd but not fatal
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Re: Hundred of C++ linker warnings in Xcode 3: odd but not fatal


  • Subject: Re: Hundred of C++ linker warnings in Xcode 3: odd but not fatal
  • From: Jerry <email@hidden>
  • Date: Tue, 4 Dec 2007 09:39:54 +0000

There are "Symbols hidden by default' and "Inline methods hidden" build settings. I actually added "-fvisibility=default" to the "Other C ++ flags" before I noticed these settings. One annoying thing is that the little pane which gave a brief description of each build setting and what it would do has vanished in Xcode 3. I'd like to see what turning on those two options actually does in terms of compiler flags without having to try rebuilding each time.

Jerry

On 3 Dec 2007, at 17:59, Shamyl Zakariya wrote:

I hate to sound like a total fool, but where does the - fvisibility=default go? I assume it goes in both the static lib subtarget build settings as well as the main framework, but does it go into gcc's parameters or the linker's? I tried putting it in the linker's params but got error messages.


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On Dec 3, 2007, at 10:09 AM, Sean McBride wrote:

On 12/2/07 6:01 PM, Jerry said:

Only 851? I get 4000 warnings every time I build (luckily, the
warnings Xcode shows per architecture seems to be limited to 2000).
I've managed to reduce this (to 4000) by building my own static
libraries with -fvisibility=default, but I've no idea what to do about
third-party static libraries which I don;t have control over. The
warnings are really annoying, increase the build time substantially
and hide any "real" warnings or errors you get.

I have also seen these. I have fixed almost all of them by matching
'visibility' options in both static libs and the main app, luckily I
have the source to all my libs. However, even after doing this, a few
hundred remain, and I cannot figure out how to get rid of them.


--
____________________________________________________________
Sean McBride, B. Eng                 email@hidden
Rogue Research                        www.rogue-research.com
Mac Software Developer              Montréal, Québec, Canada

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  • Follow-Ups:
    • Re: Hundred of C++ linker warnings in Xcode 3: odd but not fatal
      • From: Kai Brüning <email@hidden>
References: 
 >Hundred of C++ linker warnings in Xcode 3: odd but not fatal (From: Shamyl Zakariya <email@hidden>)
 >Re: Hundred of C++ linker warnings in Xcode 3: odd but not fatal (From: Jerry <email@hidden>)
 >Re: Hundred of C++ linker warnings in Xcode 3: odd but not fatal (From: "Sean McBride" <email@hidden>)
 >Re: Hundred of C++ linker warnings in Xcode 3: odd but not fatal (From: Shamyl Zakariya <email@hidden>)

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