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Re: Universal Binaries and supporting legacy OS
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Re: Universal Binaries and supporting legacy OS

  • Subject: Re: Universal Binaries and supporting legacy OS
  • From: Gregory Weston <email@hidden>
  • Date: Thu, 20 Oct 2005 12:56:56 -0400
Florent Castro wrote:

I have not tried Universal Binaries yet, but I found that anything compiled with
XCode 2.x and gcc 4 will not run on OS X 10.2 or 10.1.
This is due to gcc4 now linking against a dynamic version of stdc+ +. This
runtime library is only present on Mac OS X 10.3.9 and 10.4.x.

Apologies for the thread drift, but the above is not quite accurate. The issue with the C++ library only applies to (Obj-)C++ projects. Without C++, gcc 4 will compile code that runs on systems back to 10.3.0. Prior to that, the absence of a dynamic version of a different library gets in the way.
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