On Tue, 2008-01-29 at 21:57 +0000, Tang, Changqing wrote: > So can we install both v1 and v2 packages on a system ? At the install time, > we don't know the app will run on v1 or v2.
Currently, you can install both runtimes, but not both devel environments. > --CQ > > > -----Original Message----- > > From: Arlin Davis [mailto:[EMAIL PROTECTED] > > Sent: Tuesday, January 29, 2008 3:46 PM > > To: Doug Ledford > > Cc: Tang, Changqing; general > > Subject: Re: [ofa-general] Re: Dapl 2 question/issue > > > > Doug Ledford wrote: > > > > > > You *should* be claiming that regardless. The API between > > dapl-1 and > > > dapl-2 changed, some of which is fixed simply be > > recompiling and some > > > of which requires actual code changes. Just because the > > library name > > > is the same doesn't mean that code built and compiled > > against dapl-1 > > > could or should attempt to run against dapl-2 (unless I'm > > wrong here, > > > Arlin should really speak to this issue...if the dapl-2 libraries > > > provide backward compatible symbols via so symbol versions, then it > > > might be possible for a dapl-1 program to run against the dapl-2 > > > library, but then that would beg the question of why we are still > > > distributing dapl-1 libraries in a separate package, so I'm > > guessing > > > there is not a back compatible layer in the dapl-2 library). > > > > You are correct. dapl-1 programs cannot run against dapl-2. > > That is why both v1 and v2 packages are provided. We have to > > support existing v1 applications while providing a transition > > path to v2. > > > > -arlin > > > > -- Doug Ledford <[EMAIL PROTECTED]> GPG KeyID: CFBFF194 http://people.redhat.com/dledford Infiniband specific RPMs available at http://people.redhat.com/dledford/Infiniband
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