594512bdb3
This PR addresses a number of issues related to compiler bootstrapping. Specifically: 1. Collect compilers to be bootstrapped while queueing in installer Compiler tasks currently have an incomplete list in their task.dependents, making those packages fail to install as they think they have not all their dependencies installed. This PR collects the dependents and sets them on compiler tasks. 2. allow boostrapped compilers to back off target Bootstrapped compilers may be built with a compiler that doesn't support the target used by the rest of the spec. Allow them to build with less aggressive target optimization settings. 3. Support for target ranges Backing off the target necessitates computing target ranges, so make Spack handle those properly. Notably, this adds an intersection method for target ranges and fixes the way ranges are satisfied and constrained on Spec objects. This PR also: - adds testing - improves concretizer handling of target ranges Co-authored-by: Harmen Stoppels <harmenstoppels@gmail.com> Co-authored-by: Gregory Becker <becker33@llnl.gov> Co-authored-by: Massimiliano Culpo <massimiliano.culpo@gmail.com> |
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