Greg Becker

It looks like lines 251-278 aren't LC-specific, and should apply to anyone using BLT, is that right? I think we should definitely look at `BLTPackage` and `CachedBLTPackage` to take advantage...

I believe he wanted `SCR_Route_file` to return the old filename the same way it would return the new filename in it's normal operation mode, so that whether SCR is on...

@blue42u I don't think I understand the goals this change accomplishes. The mapping configuration is frustratingly complicated, but it doesn't appear to be reduced in any meaningful way by this...

What about this for an interface? ``` $ spack update -h usage: spack update [-h] [-r REMOTE] [repo] pull latest source for spack and repos from git positional arguments: repo...

I still don't see how someone using this is supposed to use system mpi, and I don't think that's a use case we can afford to break.

Give @alalazo all the credit, I just complained about solutions and he came up with new ones

@white238 this is the PR I mentioned to you @alalazo , Chris (above) maintains some packages that are not upstreamed to Spack that use the same idioms as `axom`. One...

It looks like the CI failures are coming from some new warning settings in newer clang compilers that turn warnings in `pkg-config` into errors. Should probably be a reasonably straightforward...

@spackbot fix style

@alalazo does this level of performance difference look like signal or noise to you?