def setup_package(pkg, dirty, context='build'):
"""Execute all environment setup routines."""
env = EnvironmentModifications()
if not dirty:
clean_environment()
# setup compilers and build tools for build contexts
need_compiler = context == 'build' or (context == 'test'
and pkg.test_requires_compiler)
if need_compiler:
set_compiler_environment_variables(pkg, env)
set_build_environment_variables(pkg, env, dirty)
# architecture specific setup
pkg.architecture.platform.setup_platform_environment(pkg, env)
if context == 'build':
# recursive post-order dependency information
env.extend(modifications_from_dependencies(pkg.spec, context=context))
if (not dirty) and (not 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'.")
# setup package itself
set_module_variables_for_package(pkg)
pkg.setup_build_environment(env)
elif context == 'test':
import spack.user_environment as uenv # avoid circular import
env.extend(uenv.environment_modifications_for_spec(pkg.spec))
env.extend(modifications_from_dependencies(pkg.spec, context=context))
set_module_variables_for_package(pkg)
env.prepend_path('PATH', '.')
# 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 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.
if need_compiler:
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:
env.set('SPACK_COMPILER_IMPLICIT_RPATHS', ':'.join(implicit_rpaths))
# Make sure nothing's strange about the Spack environment.
validate(env, tty.warn)
env.apply_modifications()
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)
