LANL's platform file's (for a particular platform) are 90% the same. By allowing a source directive those settings can be kept in a common file then sourced by the platform file. When something changes I wouldn't have to change a dozen files only a couple.
On Mon, Jul 09, 2012 at 02:21:28PM -0700, Ralph Castain wrote:
> I'm confused - how does this help maintain a platform file???
> On Jul 9, 2012, at 2:09 PM, Nathan Hjelm wrote:
> > When: Thurs, Jul 12, 5 PM MDT
> > Why: Useful feature. Enabling source may cut down on the maintenance required to keep platform files up to date.
> > How: Change directories to the platform file's directory before sourcing it (not after).
> > diff --git a/config/ompi_load_platform.m4 b/config/ompi_load_platform.m4
> > index 7231f83..250e7d8 100644
> > --- a/config/ompi_load_platform.m4
> > +++ b/config/ompi_load_platform.m4
> > @@ -50,7 +50,18 @@ AC_DEFUN([OMPI_LOAD_PLATFORM], [
> > # eval into environment
> > OPAL_LOG_MSG([Loading environment file $with_platform, with contents below])
> > OPAL_LOG_FILE([$with_platform])
> > - . "$with_platform"
> > +
> > + # setup by getting full pathname for the platform directories
> > + platform_base="`dirname $with_platform`"
> > + platform_file="`basename $with_platform`"
> > + # get full pathname of where we are so we can return
> > + platform_savedir="`pwd`"
> > + # go to where the platform file is located
> > + cd "$platform_base"
> > + # get the full path to this location
> > + platform_file_dir=`pwd`
> > +
> > + . "$platform_file"
> > # see if they left us a name
> > if test "$OMPI_PLATFORM_LOADED" != "" ; then
> > @@ -63,14 +74,6 @@ AC_DEFUN([OMPI_LOAD_PLATFORM], [
> > # look for default mca param file
> > - # setup by getting full pathname for the platform directories
> > - platform_base="`dirname $with_platform`"
> > - # get full pathname of where we are so we can return
> > - platform_savedir="`pwd`"
> > - # go to where the platform file is located
> > - cd "$platform_base"
> > - # get the full path to this location
> > - platform_file_dir=`pwd`
> > # return to where we started
> > cd "$platform_savedir"
> > -Nathan
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