[mapguide-internals] RE: GCC 4.4 and Oem upgrade

[Trevor Wekel]

Hi Tom,

Different versions of Berkeley DB may require repository upgrades.  With all of the different distro versions floating around, it will be more difficult to determine when a repository upgrade is required.  MGOS 2.2 compiled on CentOS 5 and MGOS 2.2 compiled on Ubuntu 9.10 will likely not have compatible repositories.

Regards,
Trevor


-----Original Message-----
From: mapguide-internals-bounces at lists.osgeo.org [mailto:mapguide-internals-bounces at lists.osgeo.org] On Behalf Of Tom Fukushima
Sent: May 10, 2010 9:16 AM
To: MapGuide Internals Mail List
Subject: [mapguide-internals] RE: GCC 4.4 and Oem upgrade

I don't understand "Repository migration more difficult".  Please explain what you mean by repository migration and why it is more difficult.

Thanks
Tom

-----Original Message-----
From: mapguide-internals-bounces at lists.osgeo.org [mailto:mapguide-internals-bounces at lists.osgeo.org] On Behalf Of Trevor Wekel
Sent: Monday, May 10, 2010 5:23 AM
To: MapGuide Internals Mail List
Subject: [mapguide-internals] GCC 4.4 and Oem upgrade

Hi everyone,

Rohit and I have started chatting about the GCC 4.4 upgrade http://trac.osgeo.org/mapguide/wiki/MapGuideRfc92.  From previous work, I know that we need to update some of our third party dependencies.  We have a couple of options for Linux:

1. Update the necessary Oem components in the vault
Advantages:
- No change to build system
- Consistent components for Linux and Windows
- We can patch Oem whenever we want

Disadvantages:
- Security patches are never up to date
- More code to maintain in our vault

2. Go native and use the distro libraries on Linux  
Advantages:
- Security patches always up to date
- Faster build downloads
- Easier Linux packaging
- It will force us to post our fixes back to the original projects and be a better open source citizen

Disadvantages:
- Components may not consistent between Windows/Linux or even different Linux distros
- Repository migration more difficult


Any preferences/thoughts?


Regards,
Trevor & Rohit

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