diff options
Diffstat (limited to 'lib/spack/spack/spec.py')
| -rw-r--r-- | lib/spack/spack/spec.py | 127 |
1 files changed, 100 insertions, 27 deletions
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py index 4cd89f59bf..0d8fb2893b 100644 --- a/lib/spack/spack/spec.py +++ b/lib/spack/spack/spec.py @@ -101,6 +101,8 @@ import collections import ctypes import hashlib import itertools +import os + from operator import attrgetter from six import StringIO from six import string_types @@ -115,12 +117,13 @@ import spack.store import spack.util.spack_json as sjson import spack.util.spack_yaml as syaml -from llnl.util.filesystem import find_libraries +from llnl.util.filesystem import find_headers, find_libraries, is_exe from llnl.util.lang import * from llnl.util.tty.color import * from spack.build_environment import get_path_from_module, load_module from spack.provider_index import ProviderIndex from spack.util.crypto import prefix_bits +from spack.util.executable import Executable from spack.util.prefix import Prefix from spack.util.spack_yaml import syaml_dict from spack.util.string import * @@ -745,9 +748,9 @@ class FlagMap(HashableMap): class DependencyMap(HashableMap): - """Each spec has a DependencyMap containing specs for its dependencies. The DependencyMap is keyed by name. """ + @property def concrete(self): return all((d.spec.concrete and d.deptypes) @@ -757,38 +760,104 @@ class DependencyMap(HashableMap): return "{deps: %s}" % ', '.join(str(d) for d in sorted(self.values())) -def _libs_default_handler(descriptor, spec, cls): - """Default handler when for ``libs`` attribute in Spec interface. +def _command_default_handler(descriptor, spec, cls): + """Default handler when looking for the 'command' attribute. - Tries to search for ``lib{spec.name}`` recursively starting from - `spec.prefix`. + Tries to search for ``spec.name`` in the ``spec.prefix.bin`` directory. - Args: - descriptor (ForwardQueryToPackage): descriptor that triggered - the call + Parameters: + descriptor (ForwardQueryToPackage): descriptor that triggered the call spec (Spec): spec that is being queried cls (type(spec)): type of spec, to match the signature of the - descriptor `__get__` method + descriptor ``__get__`` method + + Returns: + Executable: An executable of the command + + Raises: + RuntimeError: If the command is not found """ - name = 'lib' + spec.name - shared = '+shared' in spec - return find_libraries(name, root=spec.prefix, shared=shared, recurse=True) + path = os.path.join(spec.prefix.bin, spec.name) + + if is_exe(path): + return Executable(path) + else: + msg = 'Unable to locate {0} command in {1}' + raise RuntimeError(msg.format(spec.name, spec.prefix.bin)) -def _cppflags_default_handler(descriptor, spec, cls): - """Default handler for the ``cppflags`` attribute in the Spec interface. +def _headers_default_handler(descriptor, spec, cls): + """Default handler when looking for the 'headers' attribute. - The default just returns ``-I{spec.prefix.include}``. + Tries to search for ``*.h`` files recursively starting from + ``spec.prefix.include``. - Args: - descriptor (ForwardQueryToPackage): descriptor that triggered - the call + Parameters: + descriptor (ForwardQueryToPackage): descriptor that triggered the call spec (Spec): spec that is being queried + cls (type(spec)): type of spec, to match the signature of the + descriptor ``__get__`` method + + Returns: + HeaderList: The headers in ``prefix.include`` + + Raises: + RuntimeError: If no headers are found + """ + headers = find_headers('*', root=spec.prefix.include, recurse=True) + + if headers: + return headers + else: + msg = 'Unable to locate {0} headers in {1}' + raise RuntimeError(msg.format(spec.name, spec.prefix.include)) + + +def _libs_default_handler(descriptor, spec, cls): + """Default handler when looking for the 'libs' attribute. + Tries to search for ``lib{spec.name}`` recursively starting from + ``spec.prefix``. + + Parameters: + descriptor (ForwardQueryToPackage): descriptor that triggered the call + spec (Spec): spec that is being queried cls (type(spec)): type of spec, to match the signature of the descriptor ``__get__`` method + + Returns: + LibraryList: The libraries found + + Raises: + RuntimeError: If no libraries are found """ - return '-I' + spec.prefix.include + name = 'lib' + spec.name + + if '+shared' in spec: + libs = find_libraries( + name, root=spec.prefix, shared=True, recurse=True + ) + elif '~shared' in spec: + libs = find_libraries( + name, root=spec.prefix, shared=False, recurse=True + ) + else: + # Prefer shared + libs = find_libraries( + name, root=spec.prefix, shared=True, recurse=True + ) + if libs: + return libs + + libs = find_libraries( + name, root=spec.prefix, shared=False, recurse=True + ) + + if libs: + return libs + else: + msg = 'Unable to recursively locate {0} libraries in {1}' + raise RuntimeError(msg.format(spec.name, spec.prefix)) class ForwardQueryToPackage(object): @@ -797,7 +866,7 @@ class ForwardQueryToPackage(object): def __init__(self, attribute_name, default_handler=None): """Create a new descriptor. - Args: + Parameters: attribute_name (str): name of the attribute to be searched for in the Package instance default_handler (callable, optional): default function to be @@ -815,7 +884,7 @@ class ForwardQueryToPackage(object): """Retrieves the property from Package using a well defined chain of responsibility. - The order of call is : + The order of call is: 1. if the query was through the name of a virtual package try to search for the attribute `{virtual_name}_{attribute_name}` @@ -885,17 +954,21 @@ class ForwardQueryToPackage(object): class SpecBuildInterface(ObjectWrapper): + command = ForwardQueryToPackage( + 'command', + default_handler=_command_default_handler + ) + + headers = ForwardQueryToPackage( + 'headers', + default_handler=_headers_default_handler + ) libs = ForwardQueryToPackage( 'libs', default_handler=_libs_default_handler ) - cppflags = ForwardQueryToPackage( - 'cppflags', - default_handler=_cppflags_default_handler - ) - def __init__(self, spec, name, query_parameters): super(SpecBuildInterface, self).__init__(spec) |