Hello HDF5 Group!
I've just updated compiled HDF5 1.8.14 for use in my project and found out that it is not compatible with 1.8.13 and prev. versions:
* 1.8.13 had exported dll var "H5P_CLS_ROOT_g".
* 1.8.14 is exporting dll var "H5P_CLS_ROOT_ID_g" and not exporting "H5P_CLS_ROOT_g".
Is it intentional?
Best wishes,
Andrey Paramonov
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Hi Andrey,
You are correct, releases are not compatible.This was an intended change due to some maintenance issues.
We started publishing compatibility reports for the releases. A link to the report is available from http://www.hdfgroup.org/HDF5/doc/ADGuide/Changes.html. Or you can go directly to http://www.hdfgroup.org/HDF5/doc/ADGuide/Compatibility_Report/CR_1.8.14.html.
Could you please tell us how the change affected your application(s)?
Thank you!
Elena
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Elena Pourmal The HDF Group http://hdfgroup.org
1800 So. Oak St., Suite 203, Champaign IL 61820
217.531.6112
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On Nov 21, 2014, at 8:00 AM, Андрей Парамонов <paramon@acdlabs.ru> wrote:
Hello HDF5 Group!
I've just updated compiled HDF5 1.8.14 for use in my project and found out that it is not compatible with 1.8.13 and prev. versions:
* 1.8.13 had exported dll var "H5P_CLS_ROOT_g".
* 1.8.14 is exporting dll var "H5P_CLS_ROOT_ID_g" and not exporting "H5P_CLS_ROOT_g".Is it intentional?
Best wishes,
Andrey Paramonov--
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21.11.2014 17:45, Elena Pourmal пишет:
Hi Andrey,
You are correct, releases are not compatible.This was an intended change due to some maintenance issues.
We started publishing compatibility reports for the releases. A link to the report is available from http://www.hdfgroup.org/HDF5/doc/ADGuide/Changes.html. Or you can go directly to http://www.hdfgroup.org/HDF5/doc/ADGuide/Compatibility_Report/CR_1.8.14.html.
Could you please tell us how the change affected your application(s)?
Hello Elena!
My application is linking to hdf5.dll dynamically. So far I was linking to dll var "H5P_CLS_ROOT_g". Now I'd like to update the dll to 1.8.14, but it won't work without synchronous changes in client code; I should now link to dll var "H5P_CLS_ROOT_ID_g" instead.
It does impose problems for users, because new version won't work with old hdf5.dll, and vice versa old version doesn't work with new hdf5.dll. The latter is worse, I believe: if the user updates the hdf5.dll (the event I'm out of control of), my old application stops working.
I think I'll circumvent the former problem by linking to "H5P_CLS_ROOT_g" or to "H5P_CLS_ROOT_ID_g" depending on which is available, in the new version.
Best wishes,
Andrey Paramonov
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