def find_compilers(*path):
"""Return a list of compilers found in the suppied paths.
This invokes the find() method for each Compiler class,
and appends the compilers detected to a list.
"""
# Make sure path elements exist, and include /bin directories
# under prefixes.
filtered_path = []
for p in path:
# Eliminate symlinks and just take the real directories.
p = os.path.realpath(p)
if not os.path.isdir(p):
continue
filtered_path.append(p)
# Check for a bin directory, add it if it exists
bin = join_path(p, 'bin')
if os.path.isdir(bin):
filtered_path.append(os.path.realpath(bin))
# Once the paths are cleaned up, do a search for each type of
# compiler. We can spawn a bunch of parallel searches to reduce
# the overhead of spelunking all these directories.
types = all_compiler_types()
compiler_lists = parmap(lambda cls: cls.find(*filtered_path), types)
# ensure all the version calls we made are cached in the parent
# process, as well. This speeds up Spack a lot.
clist = reduce(lambda x, y: x + y, compiler_lists)
return clist
def find_compilers(*path):
"""Return a list of compilers found in the suppied paths.
This invokes the find() method for each Compiler class,
and appends the compilers detected to a list.
"""
# Make sure path elements exist, and include /bin directories
# under prefixes.
filtered_path = []
for p in path:
# Eliminate symlinks and just take the real directories.
p = os.path.realpath(p)
if not os.path.isdir(p):
continue
filtered_path.append(p)
# Check for a bin directory, add it if it exists
bin = join_path(p, 'bin')
if os.path.isdir(bin):
filtered_path.append(os.path.realpath(bin))
# Once the paths are cleaned up, do a search for each type of
# compiler. We can spawn a bunch of parallel searches to reduce
# the overhead of spelunking all these directories.
types = all_compiler_types()
compiler_lists = parmap(lambda cls: cls.find(*filtered_path), types)
# ensure all the version calls we made are cached in the parent
# process, as well. This speeds up Spack a lot.
clist = reduce(lambda x,y: x+y, compiler_lists)
return clist
def find(cls, *path):
"""Try to find this type of compiler in the user's
environment. For each set of compilers found, this returns
compiler objects with the cc, cxx, f77, fc paths and the
version filled in.
This will search for compilers with the names in cc_names,
cxx_names, etc. and it will group them if they have common
prefixes, suffixes, and versions. e.g., gcc-mp-4.7 would
be grouped with g++-mp-4.7 and gfortran-mp-4.7.
"""
dicts = parmap(
lambda t: cls._find_matches_in_path(*t),
[(cls.cc_names, cls.cc_version) + tuple(path),
(cls.cxx_names, cls.cxx_version) + tuple(path),
(cls.f77_names, cls.f77_version) + tuple(path),
(cls.fc_names, cls.fc_version) + tuple(path)])
all_keys = set()
for d in dicts:
all_keys.update(d)
compilers = []
for k in all_keys:
ver, pre, suf = k
paths = tuple(pn[k] if k in pn else None for pn in dicts)
spec = spack.spec.CompilerSpec(cls.name, ver)
compilers.append(cls(spec, *paths))
return compilers
def find(cls, *path):
"""Try to find this type of compiler in the user's
environment. For each set of compilers found, this returns
compiler objects with the cc, cxx, f77, fc paths and the
version filled in.
This will search for compilers with the names in cc_names,
cxx_names, etc. and it will group them if they have common
prefixes, suffixes, and versions. e.g., gcc-mp-4.7 would
be grouped with g++-mp-4.7 and gfortran-mp-4.7.
"""
dicts = parmap(
lambda t: cls._find_matches_in_path(*t),
[(cls.cc_names, cls.cc_version) + tuple(path),
(cls.cxx_names, cls.cxx_version) + tuple(path),
(cls.f77_names, cls.f77_version) + tuple(path),
(cls.fc_names, cls.fc_version) + tuple(path)])
all_keys = set()
for d in dicts:
all_keys.update(d)
compilers = []
for k in all_keys:
ver, pre, suf = k
paths = tuple(pn[k] if k in pn else None for pn in dicts)
spec = spack.spec.CompilerSpec(cls.name, ver)
compilers.append(cls(spec, *paths))
return compilers
def find_compilers(self, *paths):
types = spack.compilers.all_compiler_types()
compiler_lists = parmap(
lambda cmp_cls: self.find_compiler(cmp_cls, *paths), types)
# ensure all the version calls we made are cached in the parent
# process, as well. This speeds up Spack a lot.
clist = reduce(lambda x, y: x + y, compiler_lists)
return clist
def find_compilers(self, *paths):
types = spack.compilers.all_compiler_types()
compiler_lists = parmap(
lambda cmp_cls: self.find_compiler(cmp_cls, *paths), types)
# ensure all the version calls we made are cached in the parent
# process, as well. This speeds up Spack a lot.
clist = [comp for cl in compiler_lists for comp in cl]
return clist
def find(cls, *path):
"""Try to find this type of compiler in the user's
environment. For each set of compilers found, this returns
compiler objects with the cc, cxx, f77, fc paths and the
version filled in.
This will search for compilers with the names in cc_names,
cxx_names, etc. and it will group them if they have common
prefixes, suffixes, and versions. e.g., gcc-mp-4.7 would
be grouped with g++-mp-4.7 and gfortran-mp-4.7.
"""
dicts = parmap(
lambda t: cls._find_matches_in_path(*t),
[
(cls.cc_names, cls.cc_version) + tuple(path),
(cls.cxx_names, cls.cxx_version) + tuple(path),
(cls.f77_names, cls.f77_version) + tuple(path),
(cls.fc_names, cls.fc_version) + tuple(path),
],
)
all_keys = set()
for d in dicts:
all_keys.update(d)
compilers = {}
for k in all_keys:
ver, pre, suf = k
# Skip compilers with unknown version.
if ver == "unknown":
continue
paths = tuple(pn[k] if k in pn else None for pn in dicts)
spec = spack.spec.CompilerSpec(cls.name, ver)
if ver in compilers:
prev = compilers[ver]
# prefer the one with more compilers.
prev_paths = [prev.cc, prev.cxx, prev.f77, prev.fc]
newcount = len([p for p in paths if p is not None])
prevcount = len([p for p in prev_paths if p is not None])
# Don't add if it's not an improvement over prev compiler.
if newcount <= prevcount:
continue
compilers[ver] = cls(spec, *paths)
return list(compilers.values())
def _find_matches_in_path(cls, compiler_names, detect_version, *path):
"""Finds compilers in the paths supplied.
Looks for all combinations of ``compiler_names`` with the
``prefixes`` and ``suffixes`` defined for this compiler
class. If any compilers match the compiler_names,
prefixes, or suffixes, uses ``detect_version`` to figure
out what version the compiler is.
This returns a dict with compilers grouped by (prefix,
suffix, version) tuples. This can be further organized by
find().
"""
if not path:
path = get_path('PATH')
prefixes = [''] + cls.prefixes
suffixes = [''] + cls.suffixes
checks = []
for directory in path:
if not (os.path.isdir(directory)
and os.access(directory, os.R_OK | os.X_OK)):
continue
files = os.listdir(directory)
for exe in files:
full_path = join_path(directory, exe)
prod = itertools.product(prefixes, compiler_names, suffixes)
for pre, name, suf in prod:
regex = r'^(%s)%s(%s)$' % (pre, re.escape(name), suf)
match = re.match(regex, exe)
if match:
key = (full_path, ) + match.groups() + (
detect_version, )
checks.append(key)
successful = [
k for k in parmap(_get_versioned_tuple, checks) if k is not None
]
# The 'successful' list is ordered like the input paths.
# Reverse it here so that the dict creation (last insert wins)
# does not spoil the intented precedence.
successful.reverse()
return dict(((v, p, s), path) for v, p, s, path in successful)
def find_compiler(self, cmp_cls, *path):
"""Try to find the given type of compiler in the user's
environment. For each set of compilers found, this returns
compiler objects with the cc, cxx, f77, fc paths and the
version filled in.
This will search for compilers with the names in cc_names,
cxx_names, etc. and it will group them if they have common
prefixes, suffixes, and versions. e.g., gcc-mp-4.7 would
be grouped with g++-mp-4.7 and gfortran-mp-4.7.
"""
dicts = parmap(
lambda t: cmp_cls._find_matches_in_path(*t),
[(cmp_cls.cc_names, cmp_cls.cc_version) + tuple(path),
(cmp_cls.cxx_names, cmp_cls.cxx_version) + tuple(path),
(cmp_cls.f77_names, cmp_cls.f77_version) + tuple(path),
(cmp_cls.fc_names, cmp_cls.fc_version) + tuple(path)])
all_keys = set()
for d in dicts:
all_keys.update(d)
compilers = {}
for k in all_keys:
ver, pre, suf = k
# Skip compilers with unknown version.
if ver == 'unknown':
continue
paths = tuple(pn[k] if k in pn else None for pn in dicts)
spec = spack.spec.CompilerSpec(cmp_cls.name, ver)
if ver in compilers:
prev = compilers[ver]
# prefer the one with more compilers.
prev_paths = [prev.cc, prev.cxx, prev.f77, prev.fc]
newcount = len([p for p in paths if p is not None])
prevcount = len([p for p in prev_paths if p is not None])
# Don't add if it's not an improvement over prev compiler.
if newcount <= prevcount:
continue
compilers[ver] = cmp_cls(spec, self, py_platform.machine(), paths)
return list(compilers.values())
def find_compilers(self, *paths):
"""
Return a list of compilers found in the suppied paths.
This invokes the find() method for each Compiler class,
and appends the compilers detected to a list.
"""
if not paths:
paths = get_path('PATH')
# Make sure path elements exist, and include /bin directories
# under prefixes.
filtered_path = []
for p in paths:
# Eliminate symlinks and just take the real directories.
p = os.path.realpath(p)
if not os.path.isdir(p):
continue
filtered_path.append(p)
# Check for a bin directory, add it if it exists
bin = join_path(p, 'bin')
if os.path.isdir(bin):
filtered_path.append(os.path.realpath(bin))
# Once the paths are cleaned up, do a search for each type of
# compiler. We can spawn a bunch of parallel searches to reduce
# the overhead of spelunking all these directories.
# NOTE: we import spack.compilers here to avoid init order cycles
import spack.compilers
types = spack.compilers.all_compiler_types()
compiler_lists = parmap(lambda cmp_cls:
self.find_compiler(cmp_cls, *filtered_path),
types)
# ensure all the version calls we made are cached in the parent
# process, as well. This speeds up Spack a lot.
clist = [comp for cl in compiler_lists for comp in cl]
return clist
def check(key):
try:
full_path, prefix, suffix = key
version = detect_version(full_path)
return (version, prefix, suffix, full_path)
except ProcessError, e:
tty.debug("Couldn't get version for compiler %s" % full_path, e)
return None
except Exception, e:
# Catching "Exception" here is fine because it just
# means something went wrong running a candidate executable.
tty.debug("Error while executing candidate compiler %s" % full_path,
"%s: %s" %(e.__class__.__name__, e))
return None
successful = [key for key in parmap(check, checks) if key is not None]
return dict(((v, p, s), path) for v, p, s, path in successful)
@classmethod
def find(cls, *path):
"""Try to find this type of compiler in the user's
environment. For each set of compilers found, this returns
compiler objects with the cc, cxx, f77, fc paths and the
version filled in.
This will search for compilers with the names in cc_names,
cxx_names, etc. and it will group them if they have common
prefixes, suffixes, and versions. e.g., gcc-mp-4.7 would
be grouped with g++-mp-4.7 and gfortran-mp-4.7.
"""
dicts = parmap(
def _find_matches_in_path(cls, compiler_names, detect_version, *path):
"""Finds compilers in the paths supplied.
Looks for all combinations of ``compiler_names`` with the
``prefixes`` and ``suffixes`` defined for this compiler
class. If any compilers match the compiler_names,
prefixes, or suffixes, uses ``detect_version`` to figure
out what version the compiler is.
This returns a dict with compilers grouped by (prefix,
suffix, version) tuples. This can be further organized by
find().
"""
if not path:
path = get_path('PATH')
prefixes = [''] + cls.prefixes
suffixes = [''] + cls.suffixes
checks = []
for directory in path:
if not (os.path.isdir(directory) and
os.access(directory, os.R_OK | os.X_OK)):
continue
files = os.listdir(directory)
for exe in files:
full_path = join_path(directory, exe)
prod = itertools.product(prefixes, compiler_names, suffixes)
for pre, name, suf in prod:
regex = r'^(%s)%s(%s)$' % (pre, re.escape(name), suf)
match = re.match(regex, exe)
if match:
key = (full_path,) + match.groups()
checks.append(key)
def check(key):
try:
full_path, prefix, suffix = key
version = detect_version(full_path)
return (version, prefix, suffix, full_path)
except ProcessError as e:
tty.debug(
"Couldn't get version for compiler %s" % full_path, e)
return None
except Exception as e:
# Catching "Exception" here is fine because it just
# means something went wrong running a candidate executable.
tty.debug("Error while executing candidate compiler %s"
% full_path,
"%s: %s" % (e.__class__.__name__, e))
return None
successful = [k for k in parmap(check, checks) if k is not None]
# The 'successful' list is ordered like the input paths.
# Reverse it here so that the dict creation (last insert wins)
# does not spoil the intented precedence.
successful.reverse()
return dict(((v, p, s), path) for v, p, s, path in successful)
full_path, prefix, suffix = key
version = detect_version(full_path)
return (version, prefix, suffix, full_path)
except ProcessError, e:
tty.debug("Couldn't get version for compiler %s" % full_path,
e)
return None
except Exception, e:
# Catching "Exception" here is fine because it just
# means something went wrong running a candidate executable.
tty.debug(
"Error while executing candidate compiler %s" % full_path,
"%s: %s" % (e.__class__.__name__, e))
return None
successful = [key for key in parmap(check, checks) if key is not None]
# The 'successful' list is ordered like the input paths.
# Reverse it here so that the dict creation (last insert wins)
# does not spoil the intented precedence.
successful.reverse()
return dict(((v, p, s), path) for v, p, s, path in successful)
@classmethod
def find(cls, *path):
"""Try to find this type of compiler in the user's
environment. For each set of compilers found, this returns
compiler objects with the cc, cxx, f77, fc paths and the
version filled in.
This will search for compilers with the names in cc_names,
cxx_names, etc. and it will group them if they have common
full_path, prefix, suffix = key
version = detect_version(full_path)
return (version, prefix, suffix, full_path)
except ProcessError, e:
tty.debug(
"Couldn't get version for compiler %s" % full_path, e)
return None
except Exception, e:
# Catching "Exception" here is fine because it just
# means something went wrong running a candidate executable.
tty.debug("Error while executing candidate compiler %s"
% full_path,
"%s: %s" % (e.__class__.__name__, e))
return None
successful = [k for k in parmap(check, checks) if k is not None]
# The 'successful' list is ordered like the input paths.
# Reverse it here so that the dict creation (last insert wins)
# does not spoil the intented precedence.
successful.reverse()
return dict(((v, p, s), path) for v, p, s, path in successful)
def _find_full_path(self, path):
"""Return the actual path for a tool.
Some toolchains use forwarding executables (particularly Xcode-based
toolchains) which can be manipulated by external environment variables.
This method should be used to extract the actual path used for a tool
by finding out the end executable the forwarding executables end up
running.
def _find_matches_in_path(cls, compiler_names, detect_version, *path):
"""Finds compilers in the paths supplied.
Looks for all combinations of ``compiler_names`` with the
``prefixes`` and ``suffixes`` defined for this compiler
class. If any compilers match the compiler_names,
prefixes, or suffixes, uses ``detect_version`` to figure
out what version the compiler is.
This returns a dict with compilers grouped by (prefix,
suffix, version) tuples. This can be further organized by
find().
"""
if not path:
path = get_path('PATH')
prefixes = [''] + cls.prefixes
suffixes = [''] + cls.suffixes
checks = []
for directory in path:
if not (os.path.isdir(directory) and
os.access(directory, os.R_OK | os.X_OK)):
continue
files = os.listdir(directory)
for exe in files:
full_path = join_path(directory, exe)
prod = itertools.product(prefixes, compiler_names, suffixes)
for pre, name, suf in prod:
regex = r'^(%s)%s(%s)$' % (pre, re.escape(name), suf)
match = re.match(regex, exe)
if match:
key = (full_path,) + match.groups()
checks.append(key)
def check(key):
try:
full_path, prefix, suffix = key
version = detect_version(full_path)
return (version, prefix, suffix, full_path)
except ProcessError as e:
tty.debug(
"Couldn't get version for compiler %s" % full_path, e)
return None
except Exception as e:
# Catching "Exception" here is fine because it just
# means something went wrong running a candidate executable.
tty.debug("Error while executing candidate compiler %s"
% full_path,
"%s: %s" % (e.__class__.__name__, e))
return None
successful = [k for k in parmap(check, checks) if k is not None]
# The 'successful' list is ordered like the input paths.
# Reverse it here so that the dict creation (last insert wins)
# does not spoil the intented precedence.
successful.reverse()
return dict(((v, p, s), path) for v, p, s, path in successful)
class Compiler(object):
"""This class encapsulates a Spack "compiler", which includes C,
C++, and Fortran compilers. Subclasses should implement
support for specific compilers, their possible names, arguments,
and how to identify the particular type of compiler."""
# Subclasses use possible names of C compiler
cc_names = []
# Subclasses use possible names of C++ compiler
cxx_names = []
# Subclasses use possible names of Fortran 77 compiler
f77_names = []
# Subclasses use possible names of Fortran 90 compiler
fc_names = []
# Optional prefix regexes for searching for this type of compiler.
# Prefixes are sometimes used for toolchains, e.g. 'powerpc-bgq-linux-'
prefixes = []
# Optional suffix regexes for searching for this type of compiler.
# Suffixes are used by some frameworks, e.g. macports uses an '-mp-X.Y'
# version suffix for gcc.
suffixes = [r'-.*']
# Names of generic arguments used by this compiler
arg_rpath = '-Wl,-rpath,%s'
# argument used to get C++11 options
cxx11_flag = "-std=c++11"
def __init__(self, cspec, cc, cxx, f77, fc):
def check(exe):
if exe is None:
return None
_verify_executables(exe)
return exe
self.cc = check(cc)
self.cxx = check(cxx)
self.f77 = check(f77)
self.fc = check(fc)
self.spec = cspec
@property
def version(self):
return self.spec.version
#
# Compiler classes have methods for querying the version of
# specific compiler executables. This is used when discovering compilers.
#
# Compiler *instances* are just data objects, and can only be
# constructed from an actual set of executables.
#
@classmethod
def default_version(cls, cc):
"""Override just this to override all compiler version functions."""
return dumpversion(cc)
@classmethod
def cc_version(cls, cc):
return cls.default_version(cc)
@classmethod
def cxx_version(cls, cxx):
return cls.default_version(cxx)
@classmethod
def f77_version(cls, f77):
return cls.default_version(f77)
@classmethod
def fc_version(cls, fc):
return cls.default_version(fc)
@classmethod
def _find_matches_in_path(cls, compiler_names, detect_version, *path):
"""Finds compilers in the paths supplied.
Looks for all combinations of ``compiler_names`` with the
``prefixes`` and ``suffixes`` defined for this compiler
class. If any compilers match the compiler_names,
prefixes, or suffixes, uses ``detect_version`` to figure
out what version the compiler is.
This returns a dict with compilers grouped by (prefix,
suffix, version) tuples. This can be further organized by
find().
"""
if not path:
path = get_path('PATH')
prefixes = [''] + cls.prefixes
suffixes = [''] + cls.suffixes
checks = []
for directory in path:
files = os.listdir(directory)
for exe in files:
full_path = join_path(directory, exe)
prod = itertools.product(prefixes, compiler_names, suffixes)
for pre, name, suf in prod:
regex = r'^(%s)%s(%s)$' % (pre, re.escape(name), suf)
match = re.match(regex, exe)
if match:
key = (full_path,) + match.groups()
checks.append(key)
def check(key):
try:
full_path, prefix, suffix = key
version = detect_version(full_path)
return (version, prefix, suffix, full_path)
except ProcessError, e:
tty.debug("Couldn't get version for compiler %s" % full_path, e)
return None
successful = [key for key in parmap(check, checks) if key is not None]
return dict(((v, p, s), path) for v, p, s, path in successful)
full_path, prefix, suffix = key
version = detect_version(full_path)
return (version, prefix, suffix, full_path)
except ProcessError, e:
tty.debug(
"Couldn't get version for compiler %s" % full_path, e)
return None
except Exception, e:
# Catching "Exception" here is fine because it just
# means something went wrong running a candidate executable.
tty.debug("Error while executing candidate compiler %s"
% full_path,
"%s: %s" % (e.__class__.__name__, e))
return None
successful = [k for k in parmap(check, checks) if k is not None]
# The 'successful' list is ordered like the input paths.
# Reverse it here so that the dict creation (last insert wins)
# does not spoil the intented precedence.
successful.reverse()
return dict(((v, p, s), path) for v, p, s, path in successful)
def _find_full_path(self, path):
"""Return the actual path for a tool.
Some toolchains use forwarding executables (particularly Xcode-based
toolchains) which can be manipulated by external environment variables.
This method should be used to extract the actual path used for a tool
by finding out the end executable the forwarding executables end up
running.
