diff options
| -rw-r--r-- | lib/spack/spack/concretize.py | 68 | ||||
| -rw-r--r-- | lib/spack/spack/spec.py | 2 |
2 files changed, 38 insertions, 32 deletions
diff --git a/lib/spack/spack/concretize.py b/lib/spack/spack/concretize.py index 66002492cb..0f258c9096 100644 --- a/lib/spack/spack/concretize.py +++ b/lib/spack/spack/concretize.py @@ -38,6 +38,7 @@ import spack.compilers import spack.architecture import spack.error from spack.version import * +from functools import partial @@ -49,8 +50,8 @@ class DefaultConcretizer(object): def concretize_version(self, spec): """If the spec is already concrete, return. Otherwise take - the most recent available version, and default to the package's - version if there are no avaialble versions. + the preferred version from spackconfig, and default to the package's + version if there are no available versions. TODO: In many cases we probably want to look for installed versions of each package and use an installed version @@ -68,12 +69,14 @@ class DefaultConcretizer(object): # If there are known available versions, return the most recent # version that satisfies the spec pkg = spec.package + cmp_versions = partial(spack.pkgsort.version_compare, spec.name) valid_versions = sorted( [v for v in pkg.versions - if any(v.satisfies(sv) for sv in spec.versions)]) + if any(v.satisfies(sv) for sv in spec.versions)], + cmp=cmp_versions) if valid_versions: - spec.versions = ver([valid_versions[-1]]) + spec.versions = ver([valid_versions[0]]) else: # We don't know of any SAFE versions that match the given # spec. Grab the spec's versions and grab the highest @@ -138,10 +141,10 @@ class DefaultConcretizer(object): """If the spec already has a compiler, we're done. If not, then take the compiler used for the nearest ancestor with a compiler spec and use that. If the ancestor's compiler is not - concrete, then give it a valid version. If there is no - ancestor with a compiler, use the system default compiler. + concrete, then used the preferred compiler as specified in + spackconfig. - Intuition: Use the system default if no package that depends on + Intuition: Use the spackconfig default if no package that depends on this one has a strict compiler requirement. Otherwise, try to build with the compiler that will be used by libraries that link to this one, to maximize compatibility. @@ -153,40 +156,43 @@ class DefaultConcretizer(object): spec.compiler in all_compilers): return False - try: - nearest = next(p for p in spec.traverse(direction='parents') - if p.compiler is not None).compiler - - if not nearest in all_compilers: - # Take the newest compiler that saisfies the spec - matches = sorted(spack.compilers.find(nearest)) - if not matches: - raise UnavailableCompilerVersionError(nearest) - - # copy concrete version into nearest spec - nearest.versions = matches[-1].versions.copy() - assert(nearest.concrete) - - spec.compiler = nearest.copy() - - except StopIteration: - spec.compiler = spack.compilers.default_compiler().copy() - + # Find the parent spec that has a compiler, or the root if none do + parent_spec = next(p for p in spec.traverse(direction='parents') + if p.compiler is not None or not p.dependents) + parent_compiler = parent_spec.compiler + assert(parent_spec) + + # Check if the compiler is already fully specified + if parent_compiler in all_compilers: + spec.compiler = parent_compiler.copy() + return True + + # Filter the compilers into a sorted list based on the compiler_order from spackconfig + compiler_list = all_compilers if not parent_compiler else spack.compilers.find(parent_compiler) + cmp_compilers = partial(spack.pkgsort.compiler_compare, parent_spec.name) + matches = sorted(compiler_list, cmp=cmp_compilers) + if not matches: + raise UnavailableCompilerVersionError(parent_compiler) + + # copy concrete version into parent_compiler + spec.compiler = matches[0].copy() + assert(spec.compiler.concrete) return True # things changed. - def choose_provider(self, spec, providers): + def choose_provider(self, package_spec, spec, providers): """This is invoked for virtual specs. Given a spec with a virtual name, say "mpi", and a list of specs of possible providers of that spec, select a provider and return it. """ assert(spec.virtual) assert(providers) + + provider_cmp = partial(spack.pkgsort.provider_compare, package_spec.name, spec.name) + sorted_providers = sorted(providers, cmp=provider_cmp) + first_key = sorted_providers[0] - index = spack.spec.index_specs(providers) - first_key = sorted(index.keys())[0] - latest_version = sorted(index[first_key])[-1] - return latest_version + return first_key class UnavailableCompilerVersionError(spack.error.SpackError): diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py index 83b1416e36..41496b0e9d 100644 --- a/lib/spack/spack/spec.py +++ b/lib/spack/spack/spec.py @@ -796,7 +796,7 @@ class Spec(object): for spec in virtuals: providers = spack.db.providers_for(spec) - concrete = spack.concretizer.choose_provider(spec, providers) + concrete = spack.concretizer.choose_provider(self, spec, providers) concrete = concrete.copy() spec._replace_with(concrete) changed = True |