[cmake-developers] [OSX CMake.dmg] Replace >10.6 build with 64-bit only and use bzip2 compression

[Robert Maynard]

I believe that the reason for both of these behaviors is that the
DragNDrop generator was written when a significant number of < 10.6
machines existed in the wild.

I don't see any reason why we shouldn't update the default for
CPACK_DMG_FORMAT to be UDBZ instead of UDZO

On Wed, Sep 24, 2014 at 8:26 AM, Adam Strzelecki <ono at java.pl> wrote:
> Not an big issue but official DMG bundles are 40 MB where my manually built one is 21 MB (half of it).
>
> So any reason for:
> * providing universal FAT binaries instead of 64-bit only for >=10.6 Darwin64 build, as anyway there is 32-bit build for these who have 32-bit only CPU?
> * using DMG zlib compression instead bzip2 for all builds which is available for 10.4+ and provides much better compression ratio?
>
> --Adam
>
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