def setup_package(pkg, dirty):
"""Execute all environment setup routines."""
spack_env = EnvironmentModifications()
run_env = EnvironmentModifications()
if not dirty:
clean_environment()
set_compiler_environment_variables(pkg, spack_env)
set_build_environment_variables(pkg, spack_env, dirty)
pkg.architecture.platform.setup_platform_environment(pkg, spack_env)
# traverse in postorder so package can use vars from its dependencies
spec = pkg.spec
for dspec in pkg.spec.traverse(order='post',
root=False,
deptype=('build', 'test')):
spkg = dspec.package
set_module_variables_for_package(spkg)
# Allow dependencies to modify the module
dpkg = dspec.package
dpkg.setup_dependent_package(pkg.module, spec)
dpkg.setup_dependent_environment(spack_env, run_env, spec)
if (not dirty) and (not spack_env.is_unset('CPATH')):
tty.debug("A dependency has updated CPATH, this may lead pkg-config"
" to assume that the package is part of the system"
" includes and omit it when invoked with '--cflags'.")
set_module_variables_for_package(pkg)
pkg.setup_environment(spack_env, run_env)
# Loading modules, in particular if they are meant to be used outside
# of Spack, can change environment variables that are relevant to the
# build of packages. To avoid a polluted environment, preserve the
# value of a few, selected, environment variables
# With the current ordering of environment modifications, this is strictly
# unnecessary. Modules affecting these variables will be overwritten anyway
with preserve_environment('CC', 'CXX', 'FC', 'F77'):
# All module loads that otherwise would belong in previous
# functions have to occur after the spack_env object has its
# modifications applied. Otherwise the environment modifications
# could undo module changes, such as unsetting LD_LIBRARY_PATH
# after a module changes it.
for mod in pkg.compiler.modules:
# Fixes issue https://github.com/spack/spack/issues/3153
if os.environ.get("CRAY_CPU_TARGET") == "mic-knl":
load_module("cce")
load_module(mod)
if pkg.architecture.target.module_name:
load_module(pkg.architecture.target.module_name)
load_external_modules(pkg)
# Make sure nothing's strange about the Spack environment.
validate(spack_env, tty.warn)
spack_env.apply_modifications()
def deactivate():
"""
Deactivate an environment and collect corresponding environment modifications.
Note: unloads the environment in its current state, not in the state it was
loaded in, meaning that specs that were removed from the spack environment
after activation are not unloaded.
Returns:
spack.util.environment.EnvironmentModifications: Environment variables
modifications to activate environment.
"""
env_mods = EnvironmentModifications()
active = ev.active_environment()
if active is None:
return env_mods
if ev.default_view_name in active.views:
try:
with spack.store.db.read_transaction():
active.rm_default_view_from_env(env_mods)
except (spack.repo.UnknownPackageError,
spack.repo.UnknownNamespaceError) as e:
tty.warn(e)
tty.warn('Could not fully deactivate view due to missing package '
'or repo, shell environment may be corrupt.')
ev.deactivate()
return env_mods
def test_external_prefixes_last(mutable_config, mock_packages, working_env,
monkeypatch):
# Sanity check: under normal circumstances paths associated with
# dt-diamond-left would appear first. We'll mark it as external in
# the test to check if the associated paths are placed last.
assert 'dt-diamond-left' < 'dt-diamond-right'
cfg_data = syaml.load_config("""\
dt-diamond-left:
externals:
- spec: [email protected]
prefix: /fake/path1
buildable: false
""")
spack.config.set("packages", cfg_data)
top = spack.spec.Spec('dt-diamond').concretized()
def _trust_me_its_a_dir(path):
return True
monkeypatch.setattr(os.path, 'isdir', _trust_me_its_a_dir)
env_mods = EnvironmentModifications()
spack.build_environment.set_wrapper_variables(top.package, env_mods)
env_mods.apply_modifications()
link_dir_var = os.environ['SPACK_LINK_DIRS']
link_dirs = link_dir_var.split(':')
external_lib_paths = set(['/fake/path1/lib', '/fake/path1/lib64'])
# The external lib paths should be the last two entries of the list and
# should not appear anywhere before the last two entries
assert (set(os.path.normpath(x)
for x in link_dirs[-2:]) == external_lib_paths)
assert not (set(os.path.normpath(x)
for x in link_dirs[:-2]) & external_lib_paths)
def modifications_from_dependencies(spec, context):
"""Returns the environment modifications that are required by
the dependencies of a spec and also applies modifications
to this spec's package at module scope, if need be.
Args:
spec (Spec): spec for which we want the modifications
context (str): either 'build' for build-time modifications or 'run'
for run-time modifications
"""
env = EnvironmentModifications()
pkg = spec.package
# Maps the context to deptype and method to be called
deptype_and_method = {
'build':
(('build', 'link', 'test'), 'setup_dependent_build_environment'),
'run': (('link', 'run'), 'setup_dependent_run_environment'),
'test': (('link', 'run', 'test'), 'setup_dependent_run_environment')
}
deptype, method = deptype_and_method[context]
root = context == 'test'
for dspec in spec.traverse(order='post', root=root, deptype=deptype):
dpkg = dspec.package
set_module_variables_for_package(dpkg)
# Allow dependencies to modify the module
dpkg.setup_dependent_package(pkg.module, spec)
getattr(dpkg, method)(env, spec)
return env
def clean_environment():
# Stuff in here sanitizes the build environment to eliminate
# anything the user has set that may interfere. We apply it immediately
# unlike the other functions so it doesn't overwrite what the modules load.
env = EnvironmentModifications()
# Remove these vars from the environment during build because they
# can affect how some packages find libraries. We want to make
# sure that builds never pull in unintended external dependencies.
env.unset('LD_LIBRARY_PATH')
env.unset('LIBRARY_PATH')
env.unset('CPATH')
env.unset('LD_RUN_PATH')
env.unset('DYLD_LIBRARY_PATH')
build_lang = spack.config.get('config:build_language')
if build_lang:
# Override language-related variables. This can be used to force
# English compiler messages etc., which allows parse_log_events to
# show useful matches.
env.set('LC_ALL', build_lang)
# Remove any macports installs from the PATH. The macports ld can
# cause conflicts with the built-in linker on el capitan. Solves
# assembler issues, e.g.:
# suffix or operands invalid for `movq'"
path = get_path('PATH')
for p in path:
if '/macports/' in p:
env.remove_path('PATH', p)
env.apply_modifications()
def deactivate():
"""
Deactivate an environment and collect corresponding environment modifications
Returns:
spack.util.environment.EnvironmentModifications: Environment variables
modifications to activate environment.
"""
env_mods = EnvironmentModifications()
active = ev.active_environment()
if active is None:
return env_mods
if ev.default_view_name in active.views:
try:
with spack.store.db.read_transaction():
active.rm_default_view_from_env(env_mods)
except (spack.repo.UnknownPackageError,
spack.repo.UnknownNamespaceError) as e:
tty.warn(e)
tty.warn('Could not fully deactivate view due to missing package '
'or repo, shell environment may be corrupt.')
ev.deactivate()
return env_mods
def test_set_build_environment_variables(config, mock_packages, working_env,
monkeypatch,
installation_dir_with_headers):
"""Check that build_environment supplies the needed library/include
directories via the SPACK_LINK_DIRS and SPACK_INCLUDE_DIRS environment
variables.
"""
root = spack.spec.Spec('dt-diamond')
root.concretize()
for s in root.traverse():
s.prefix = '/{0}-prefix/'.format(s.name)
dep_pkg = root['dt-diamond-left'].package
dep_lib_paths = ['/test/path/to/ex1.so', '/test/path/to/subdir/ex2.so']
dep_lib_dirs = ['/test/path/to', '/test/path/to/subdir']
dep_libs = LibraryList(dep_lib_paths)
dep2_pkg = root['dt-diamond-right'].package
dep2_pkg.spec.prefix = str(installation_dir_with_headers)
setattr(dep_pkg, 'libs', dep_libs)
try:
pkg = root.package
env_mods = EnvironmentModifications()
spack.build_environment.set_build_environment_variables(pkg,
env_mods,
dirty=False)
env_mods.apply_modifications()
def normpaths(paths):
return list(os.path.normpath(p) for p in paths)
link_dir_var = os.environ['SPACK_LINK_DIRS']
assert (normpaths(link_dir_var.split(':')) == normpaths(dep_lib_dirs))
root_libdirs = ['/dt-diamond-prefix/lib', '/dt-diamond-prefix/lib64']
rpath_dir_var = os.environ['SPACK_RPATH_DIRS']
# The 'lib' and 'lib64' subdirectories of the root package prefix
# should always be rpathed and should be the first rpaths
assert (normpaths(rpath_dir_var.split(':')) == normpaths(root_libdirs +
dep_lib_dirs))
header_dir_var = os.environ['SPACK_INCLUDE_DIRS']
# The default implementation looks for header files only
# in <prefix>/include and subdirectories
prefix = str(installation_dir_with_headers)
include_dirs = normpaths(header_dir_var.split(':'))
assert os.path.join(prefix, 'include') in include_dirs
assert os.path.join(prefix, 'include', 'boost') not in include_dirs
assert os.path.join(prefix, 'path', 'to') not in include_dirs
assert os.path.join(prefix, 'path', 'to', 'subdir') not in include_dirs
finally:
delattr(dep_pkg, 'libs')
def setup_package(pkg, dirty):
"""Execute all environment setup routines."""
build_env = EnvironmentModifications()
if not dirty:
clean_environment()
set_compiler_environment_variables(pkg, build_env)
set_build_environment_variables(pkg, build_env, dirty)
pkg.architecture.platform.setup_platform_environment(pkg, build_env)
build_env.extend(
modifications_from_dependencies(pkg.spec, context='build')
)
if (not dirty) and (not build_env.is_unset('CPATH')):
tty.debug("A dependency has updated CPATH, this may lead pkg-config"
" to assume that the package is part of the system"
" includes and omit it when invoked with '--cflags'.")
set_module_variables_for_package(pkg)
pkg.setup_build_environment(build_env)
# Loading modules, in particular if they are meant to be used outside
# of Spack, can change environment variables that are relevant to the
# build of packages. To avoid a polluted environment, preserve the
# value of a few, selected, environment variables
# With the current ordering of environment modifications, this is strictly
# unnecessary. Modules affecting these variables will be overwritten anyway
with preserve_environment('CC', 'CXX', 'FC', 'F77'):
# All module loads that otherwise would belong in previous
# functions have to occur after the build_env object has its
# modifications applied. Otherwise the environment modifications
# could undo module changes, such as unsetting LD_LIBRARY_PATH
# after a module changes it.
for mod in pkg.compiler.modules:
# Fixes issue https://github.com/spack/spack/issues/3153
if os.environ.get("CRAY_CPU_TARGET") == "mic-knl":
load_module("cce")
load_module(mod)
# kludge to handle cray libsci being automatically loaded by PrgEnv
# modules on cray platform. Module unload does no damage when
# unnecessary
module('unload', 'cray-libsci')
if pkg.architecture.target.module_name:
load_module(pkg.architecture.target.module_name)
load_external_modules(pkg)
implicit_rpaths = pkg.compiler.implicit_rpaths()
if implicit_rpaths:
build_env.set('SPACK_COMPILER_IMPLICIT_RPATHS',
':'.join(implicit_rpaths))
# Make sure nothing's strange about the Spack environment.
validate(build_env, tty.warn)
build_env.apply_modifications()
def __init__(self, name):
self.exe = shlex.split(str(name))
self.default_env = {}
from spack.util.environment import EnvironmentModifications # no cycle
self.default_envmod = EnvironmentModifications()
self.returncode = None
if not self.exe:
raise ProcessError("Cannot construct executable for '%s'" % name)
def test_extend(env):
"""Tests that we can construct a list of environment modifications
starting from another list.
"""
env.set('A', 'dummy value')
env.set('B', 3)
copy_construct = EnvironmentModifications(env)
assert len(copy_construct) == 2
for x, y in zip(env, copy_construct):
assert x is y
def __init__(self, name):
# necesary here for the shlex call to succeed
name = format_os_path(name, mode=Path.unix)
self.exe = shlex.split(str(name))
# filter back to platform dependent path
self.exe = path_to_os_path(*self.exe)
self.default_env = {}
from spack.util.environment import EnvironmentModifications # no cycle
self.default_envmod = EnvironmentModifications()
self.returncode = None
if not self.exe:
raise ProcessError("Cannot construct executable for '%s'" % name)
def test_source_files(files_to_be_sourced):
"""Tests the construction of a list of environment modifications that are
the result of sourcing a file.
"""
env = EnvironmentModifications()
for filename in files_to_be_sourced:
if filename.endswith('sourceme_parameters.sh'):
env.extend(
EnvironmentModifications.from_sourcing_file(
filename, 'intel64'))
else:
env.extend(EnvironmentModifications.from_sourcing_file(filename))
modifications = env.group_by_name()
# This is sensitive to the user's environment; can include
# spurious entries for things like PS1
#
# TODO: figure out how to make a bit more robust.
assert len(modifications) >= 5
# Set new variables
assert len(modifications['NEW_VAR']) == 1
assert isinstance(modifications['NEW_VAR'][0], SetEnv)
assert modifications['NEW_VAR'][0].value == 'new'
assert len(modifications['FOO']) == 1
assert isinstance(modifications['FOO'][0], SetEnv)
assert modifications['FOO'][0].value == 'intel64'
# Unset variables
assert len(modifications['EMPTY_PATH_LIST']) == 1
assert isinstance(modifications['EMPTY_PATH_LIST'][0], UnsetEnv)
# Modified variables
assert len(modifications['UNSET_ME']) == 1
assert isinstance(modifications['UNSET_ME'][0], SetEnv)
assert modifications['UNSET_ME'][0].value == 'overridden'
assert len(modifications['PATH_LIST']) == 3
assert isinstance(modifications['PATH_LIST'][0], RemovePath)
assert modifications['PATH_LIST'][0].value == '/path/third'
assert isinstance(modifications['PATH_LIST'][1], AppendPath)
assert modifications['PATH_LIST'][1].value == '/path/fourth'
assert isinstance(modifications['PATH_LIST'][2], PrependPath)
assert modifications['PATH_LIST'][2].value == '/path/first'
def test_setting_dtags_based_on_config(config_setting, expected_flag, config,
mock_packages):
# Pick a random package to be able to set compiler's variables
s = spack.spec.Spec('cmake')
s.concretize()
pkg = s.package
env = EnvironmentModifications()
with spack.config.override('config:shared_linking', config_setting):
spack.build_environment.set_compiler_environment_variables(pkg, env)
modifications = env.group_by_name()
assert 'SPACK_DTAGS_TO_STRIP' in modifications
assert 'SPACK_DTAGS_TO_ADD' in modifications
assert len(modifications['SPACK_DTAGS_TO_ADD']) == 1
assert len(modifications['SPACK_DTAGS_TO_STRIP']) == 1
dtags_to_add = modifications['SPACK_DTAGS_TO_ADD'][0]
assert dtags_to_add.value == expected_flag
def activate(env, use_env_repo=False, add_view=True):
"""
Activate an environment and append environment modifications
To activate an environment, we add its configuration scope to the
existing Spack configuration, and we set active to the current
environment.
Arguments:
env (spack.environment.Environment): the environment to activate
use_env_repo (bool): use the packages exactly as they appear in the
environment's repository
add_view (bool): generate commands to add view to path variables
Returns:
spack.util.environment.EnvironmentModifications: Environment variables
modifications to activate environment.
"""
ev.activate(env, use_env_repo=use_env_repo)
env_mods = EnvironmentModifications()
#
# NOTE in the fish-shell: Path variables are a special kind of variable
# used to support colon-delimited path lists including PATH, CDPATH,
# MANPATH, PYTHONPATH, etc. All variables that end in PATH (case-sensitive)
# become PATH variables.
#
try:
if add_view and ev.default_view_name in env.views:
with spack.store.db.read_transaction():
env.add_default_view_to_env(env_mods)
except (spack.repo.UnknownPackageError,
spack.repo.UnknownNamespaceError) as e:
tty.error(e)
tty.die(
'Environment view is broken due to a missing package or repo.\n',
' To activate without views enabled, activate with:\n',
' spack env activate -V {0}\n'.format(env.name),
' To remove it and resolve the issue, '
'force concretize with the command:\n',
' spack -e {0} concretize --force'.format(env.name))
return env_mods
def env_activate(args):
if not args.activate_env and not args.dir and not args.temp:
tty.die('spack env activate requires an environment name, directory, or --temp')
if not args.shell:
spack.cmd.common.shell_init_instructions(
"spack env activate",
" eval `spack env activate {sh_arg} [...]`",
)
return 1
# Error out when -e, -E, -D flags are given, cause they are ambiguous.
if args.env or args.no_env or args.env_dir:
tty.die('Calling spack env activate with --env, --env-dir and --no-env '
'is ambiguous')
env_name_or_dir = args.activate_env or args.dir
# Temporary environment
if args.temp:
env = create_temp_env_directory()
env_path = os.path.abspath(env)
short_name = os.path.basename(env_path)
ev.Environment(env).write(regenerate=False)
# Named environment
elif ev.exists(env_name_or_dir) and not args.dir:
env_path = ev.root(env_name_or_dir)
short_name = env_name_or_dir
# Environment directory
elif ev.is_env_dir(env_name_or_dir):
env_path = os.path.abspath(env_name_or_dir)
short_name = os.path.basename(env_path)
else:
tty.die("No such environment: '%s'" % env_name_or_dir)
env_prompt = '[%s]' % short_name
# We only support one active environment at a time, so deactivate the current one.
if ev.active_environment() is None:
cmds = ''
env_mods = EnvironmentModifications()
else:
cmds = spack.environment.shell.deactivate_header(shell=args.shell)
env_mods = spack.environment.shell.deactivate()
# Activate new environment
active_env = ev.Environment(env_path)
cmds += spack.environment.shell.activate_header(
env=active_env,
shell=args.shell,
prompt=env_prompt if args.prompt else None
)
env_mods.extend(spack.environment.shell.activate(
env=active_env,
add_view=args.with_view
))
cmds += env_mods.shell_modifications(args.shell)
sys.stdout.write(cmds)
def get_executable(exe, spec=None, install=False):
"""Find an executable named exe, either in PATH or in Spack
Args:
exe (str): needed executable name
spec (Spec or str): spec to search for exe in (default exe)
install (bool): install spec if not available
When ``install`` is True, Spack will use the python used to run Spack as an
external. The ``install`` option should only be used with packages that
install quickly (when using external python) or are guaranteed by Spack
organization to be in a binary mirror (clingo)."""
# Search the system first
runner = spack.util.executable.which(exe)
if runner:
return runner
# Check whether it's already installed
spec = spack.spec.Spec(spec or exe)
installed_specs = spack.store.db.query(spec, installed=True)
for ispec in installed_specs:
# filter out directories of the same name as the executable
exe_path = [exe_p for exe_p in fs.find(ispec.prefix, exe)
if fs.is_exe(exe_p)]
if exe_path:
ret = spack.util.executable.Executable(exe_path[0])
envmod = EnvironmentModifications()
for dep in ispec.traverse(root=True, order='post'):
envmod.extend(uenv.environment_modifications_for_spec(dep))
ret.add_default_envmod(envmod)
return ret
else:
tty.warn('Exe %s not found in prefix %s' % (exe, ispec.prefix))
def _raise_error(executable, exe_spec):
error_msg = 'cannot find the executable "{0}"'.format(executable)
if exe_spec:
error_msg += ' from spec "{0}'.format(exe_spec)
raise RuntimeError(error_msg)
# If we're not allowed to install this for ourselves, we can't find it
if not install:
_raise_error(exe, spec)
with spack_python_interpreter():
# We will install for ourselves, using this python if needed
# Concretize the spec
spec.concretize()
spec.package.do_install()
# filter out directories of the same name as the executable
exe_path = [exe_p for exe_p in fs.find(spec.prefix, exe)
if fs.is_exe(exe_p)]
if exe_path:
ret = spack.util.executable.Executable(exe_path[0])
envmod = EnvironmentModifications()
for dep in spec.traverse(root=True, order='post'):
envmod.extend(uenv.environment_modifications_for_spec(dep))
ret.add_default_envmod(envmod)
return ret
_raise_error(exe, spec)
def setup_package(pkg, dirty):
"""Execute all environment setup routines."""
spack_env = EnvironmentModifications()
run_env = EnvironmentModifications()
if not dirty:
clean_environment()
set_compiler_environment_variables(pkg, spack_env)
set_build_environment_variables(pkg, spack_env, dirty)
pkg.architecture.platform.setup_platform_environment(pkg, spack_env)
# traverse in postorder so package can use vars from its dependencies
spec = pkg.spec
for dspec in pkg.spec.traverse(order='post',
root=False,
deptype=('build', 'test')):
# If a user makes their own package repo, e.g.
# spack.pkg.mystuff.libelf.Libelf, and they inherit from
# an existing class like spack.pkg.original.libelf.Libelf,
# then set the module variables for both classes so the
# parent class can still use them if it gets called.
spkg = dspec.package
modules = parent_class_modules(spkg.__class__)
for mod in modules:
set_module_variables_for_package(spkg, mod)
set_module_variables_for_package(spkg, spkg.module)
# Allow dependencies to modify the module
dpkg = dspec.package
dpkg.setup_dependent_package(pkg.module, spec)
dpkg.setup_dependent_environment(spack_env, run_env, spec)
set_module_variables_for_package(pkg, pkg.module)
pkg.setup_environment(spack_env, run_env)
# Loading modules, in particular if they are meant to be used outside
# of Spack, can change environment variables that are relevant to the
# build of packages. To avoid a polluted environment, preserve the
# value of a few, selected, environment variables
# With the current ordering of environment modifications, this is strictly
# unnecessary. Modules affecting these variables will be overwritten anyway
with preserve_environment('CC', 'CXX', 'FC', 'F77'):
# All module loads that otherwise would belong in previous
# functions have to occur after the spack_env object has its
# modifications applied. Otherwise the environment modifications
# could undo module changes, such as unsetting LD_LIBRARY_PATH
# after a module changes it.
for mod in pkg.compiler.modules:
# Fixes issue https://github.com/spack/spack/issues/3153
if os.environ.get("CRAY_CPU_TARGET") == "mic-knl":
load_module("cce")
load_module(mod)
if pkg.architecture.target.module_name:
load_module(pkg.architecture.target.module_name)
load_external_modules(pkg)
# Make sure nothing's strange about the Spack environment.
validate(spack_env, tty.warn)
spack_env.apply_modifications()
def clean_environment():
# Stuff in here sanitizes the build environment to eliminate
# anything the user has set that may interfere. We apply it immediately
# unlike the other functions so it doesn't overwrite what the modules load.
env = EnvironmentModifications()
# Remove these vars from the environment during build because they
# can affect how some packages find libraries. We want to make
# sure that builds never pull in unintended external dependencies.
env.unset('LD_LIBRARY_PATH')
env.unset('LD_RUN_PATH')
env.unset('DYLD_LIBRARY_PATH')
env.unset('DYLD_FALLBACK_LIBRARY_PATH')
# These vars affect how the compiler finds libraries and include dirs.
env.unset('LIBRARY_PATH')
env.unset('CPATH')
env.unset('C_INCLUDE_PATH')
env.unset('CPLUS_INCLUDE_PATH')
env.unset('OBJC_INCLUDE_PATH')
# On Cray "cluster" systems, unset CRAY_LD_LIBRARY_PATH to avoid
# interference with Spack dependencies.
# CNL requires these variables to be set (or at least some of them,
# depending on the CNL version).
hostarch = arch.Arch(arch.platform(), 'default_os', 'default_target')
on_cray = str(hostarch.platform) == 'cray'
using_cnl = re.match(r'cnl\d+', str(hostarch.os))
if on_cray and not using_cnl:
env.unset('CRAY_LD_LIBRARY_PATH')
for varname in os.environ.keys():
if 'PKGCONF' in varname:
env.unset(varname)
# Unset the following variables because they can affect installation of
# Autotools and CMake packages.
build_system_vars = [
'CC',
'CFLAGS',
'CPP',
'CPPFLAGS', # C variables
'CXX',
'CCC',
'CXXFLAGS',
'CXXCPP', # C++ variables
'F77',
'FFLAGS',
'FLIBS', # Fortran77 variables
'FC',
'FCFLAGS',
'FCLIBS', # Fortran variables
'LDFLAGS',
'LIBS' # linker variables
]
for v in build_system_vars:
env.unset(v)
# Unset mpi environment vars. These flags should only be set by
# mpi providers for packages with mpi dependencies
mpi_vars = ['MPICC', 'MPICXX', 'MPIFC', 'MPIF77', 'MPIF90']
for v in mpi_vars:
env.unset(v)
build_lang = spack.config.get('config:build_language')
if build_lang:
# Override language-related variables. This can be used to force
# English compiler messages etc., which allows parse_log_events to
# show useful matches.
env.set('LC_ALL', build_lang)
# Remove any macports installs from the PATH. The macports ld can
# cause conflicts with the built-in linker on el capitan. Solves
# assembler issues, e.g.:
# suffix or operands invalid for `movq'"
path = get_path('PATH')
for p in path:
if '/macports/' in p:
env.remove_path('PATH', p)
env.apply_modifications()
def env(prepare_environment_for_tests):
"""Returns an empty EnvironmentModifications object."""
return EnvironmentModifications()
def add_default_view_to_shell(self, shell):
env_mod = EnvironmentModifications()
for var, paths in self._shell_vars():
for path in paths:
env_mod.prepend_path(var, path)
return env_mod.shell_modifications(shell)
def rm_default_view_from_shell(self, shell):
env_mod = EnvironmentModifications()
for var, paths in self._shell_vars():
for path in paths:
env_mod.remove_path(var, path)
return env_mod.shell_modifications(shell)