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 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 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 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()
