concretizer: handle dependency types

lib/spack/spack/cmd/solve.py

@@ -101,6 +101,7 @@ def solve(parser, args):
         assert best[1] == result.answers[-1][1]
 
         opt, i, answer = best
+        if not args.yaml:
             tty.msg("Best of %d answers." % (i + 1))
             tty.msg("Optimization %s" % opt)
 

lib/spack/spack/solver/asp.py

@@ -19,6 +19,7 @@
 import spack
 import spack.cmd
 import spack.config
+import spack.dependency
 import spack.spec
 import spack.package
 import spack.package_prefs
@@ -345,16 +346,25 @@ def pkg_rules(self, pkg):
         # dependencies
         for name, conditions in pkg.dependencies.items():
             for cond, dep in conditions.items():
-                decl = fn.declared_dependency(dep.pkg.name, dep.spec.name)
                 if cond == spack.spec.Spec():
-                    self.fact(decl)
+                    for t in dep.type:
+                        self.fact(
+                            fn.declared_dependency(
+                                dep.pkg.name, dep.spec.name, t
+                            )
+                        )
                 else:
                     named_cond = cond.copy()
                     if not named_cond.name:
                         named_cond.name = pkg.name
+                    for t in dep.type:
                         self.rule(
-                        decl,
-                        self._and(*self.spec_clauses(named_cond, body=True))
+                            fn.declared_dependency(
+                                dep.pkg.name, dep.spec.name, t
+                            ),
+                            self._and(
+                                *self.spec_clauses(named_cond, body=True)
+                            )
                         )
 
         # virtual preferences
@@ -586,9 +596,13 @@ def node_compiler_version(self, pkg, compiler, version):
         self._specs[pkg].compiler.versions = spack.version.VersionList(
             [version])
 
-    def depends_on(self, pkg, dep):
+    def depends_on(self, pkg, dep, type):
+        dependency = self._specs[pkg]._dependencies.get(dep)
+        if not dependency:
             self._specs[pkg]._add_dependency(
-            self._specs[dep], ('link', 'run'))
+                self._specs[dep], (type,))
+        else:
+            dependency.add_type(type)
 
     def call_actions_for_functions(self, function_strings):
         function_re = re.compile(r'(\w+)\(([^)]*)\)')
@@ -665,6 +679,8 @@ def parse_best(self, output, result):
                 costs = re.split(r"\s+", next(output).strip())
                 opt = [int(x) for x in costs[1:]]
 
+                for spec in self._specs.values():
+                    spec._mark_concrete()
                 result.answers.append((opt, best_model_number, self._specs))
 
 

lib/spack/spack/solver/concretize.lp

@@ -24,12 +24,15 @@ version_weight(P, V, N) :- version(P, V), version_declared(P, V, N).
 %-----------------------------------------------------------------------------
 % Dependency semantics
 %-----------------------------------------------------------------------------
+% Dependencies of any type imply that one package "depends on" another
+depends_on(P, D) :- depends_on(P, D, _).
+
 % declared dependencies are real if they're not virtual
-depends_on(P, D) :- declared_dependency(P, D), not virtual(D), node(P).
+depends_on(P, D, T) :- declared_dependency(P, D, T), not virtual(D), node(P).
 
 % if you declare a dependency on a virtual, you depend on one of its providers
-1 { depends_on(P, Q) : provides_virtual(Q, V) } 1
-    :- declared_dependency(P, V), virtual(V), node(P).
+1 { depends_on(P, Q, T) : provides_virtual(Q, V) } 1
+    :- declared_dependency(P, V, T), virtual(V), node(P).
 
 % for any virtual, there can only be one node providing it in the DAG
 provider(P, V) :- node(P), provides_virtual(P, V).
@@ -64,8 +67,8 @@ needed(D) :- needed(P), depends_on(P, D), node(P).
 node(D) :- node(P), depends_on(P, D).
 
 % do not warn if generated program contains none of these.
-#defined depends_on/2.
-#defined declared_dependency/2.
+#defined depends_on/3.
+#defined declared_dependency/3.
 #defined virtual/1.
 #defined provides_virtual/2.
 #defined pkg_provider_preference/4.

lib/spack/spack/solver/display.lp

@@ -4,7 +4,7 @@
 % This section determines what parts of the model are printed at the end
 %==============================================================================
 #show node/1.
-#show depends_on/2.
+#show depends_on/3.
 #show version/2.
 #show variant_value/3.
 #show arch_platform/2.

lib/spack/spack/spec.py

@@ -622,6 +622,11 @@ def update_deptypes(self, deptypes):
     def copy(self):
         return DependencySpec(self.parent, self.spec, self.deptypes)
 
+    def add_type(self, type):
+        self.deptypes = dp.canonical_deptype(
+            self.deptypes + dp.canonical_deptype(type)
+        )
+
     def _cmp_key(self):
         return (self.parent.name if self.parent else None,
                 self.spec.name if self.spec else None,