On Mon, 26 Feb 2018, Smith, Barry F. wrote: > > PETSc --download-* is a package manager, albeit very crufty (though it > > gets the job done). Basically all package managers function by > > installing with a private DESTDIR, bundling up the result, then > > unpacking into the target. > > That's not how PETSc's works. It tells the each package the final prefix > and each package installs into that location directly.
This is primarily because - we need these packages in the final/install location before configure can go to the next step of detecting/using this package for the next stage of dependency. So DESTDIR is not useful for us [and its not clear to me if most externalpackages we use support DESTDIR (or not) anyway] Satish
