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Mac Forum / Applications / Firefox / Mozilla / May 2005Tiger compatibility may only be there for 10.3.9 and Tiger
Here is a quote I found on VersionTracker for a program called "Jotz". Read this quote: "In order to work on the Tiger compatibility problem, I had to install the Tiger development tools. Apple set the default compiler in the tools to the new GCC 4.0, which looks like a fine compiler with many nice features.... EXCEPT, for the little gotcha that it only builds applications compatible with 10.3.9 and Tiger. This little zinger is documented, but only in the "fine print" of the "About" document accompanying the tools release, which normally has nothing of interest in it. The gotcha is not noted in the release notes, where it certainly belongs. Ouch." The quote is found here: http://www.versiontracker.com/dyn/moreinfo/macosx/16185 I suspect this will make it difficult for Mozilla to support as many versions of OS X as it has in the past. Those on 10.3.x can always update to 10.3.9 for free. What about the users still on 10.2.x? Will Mozilla solve this issue by dropping support for 10.2.x? Will there be separate versions compiled for OS X versions earlier than 10.3.9 and another version for 10.3.9 and Tiger? No, I think it means that we just don't use GCC 4.0 to build any of the products. That way they work on 10.2, 10.3, and 10.4. I think it is time to officially drop 10.1 support, though. That needs to be discussed.... The actual release note is here: http://developer.apple.com/ReleaseNotes/DeveloperTools/GCC4.html. It says, "C++ applications compiled with GCC 4.0 will run only on systems where libstdc++.dylib is installed. It is installed on all user systems that run Mac OS X 10.4, or that run 10.3.9 or later. To target earlier systems, use Xcode's SDK feature." Mozilla.org already builds their products against the 10.2.8 SDK, to provide backwards compatibility. In addition, if you are building on a 10.4 system, and you want to retain 10.2 compatibility, you will need to set the gcc version to 3.3. That's also explained in the release notes. javier |
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