diff --git a/SConstruct b/SConstruct
index 4668e7fd..479aad9f 100644
--- a/SConstruct
+++ b/SConstruct
@@ -1,438 +1,445 @@
# -*- mode:python; coding: utf-8 -*-
# vim: set ft=python:
# @file
# @section LICENSE
#
# Copyright (©) 2016-2020 EPFL (École Polytechnique Fédérale de Lausanne),
# Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# ------------------------------------------------------------------------------
# Imports
# ------------------------------------------------------------------------------
from __future__ import print_function
import os
import SCons
from os.path import join, abspath
# Import below not strictly necessary, but good for pep8
from SCons.Script import (
EnsurePythonVersion,
EnsureSConsVersion,
Help,
Environment,
Variables,
EnumVariable,
PathVariable,
BoolVariable,
Split,
SConscript,
Export,
Dir
)
from version import get_git_subst
from detect import (
FindFFTW,
FindBoost,
FindThrust,
FindCuda,
FindExpolit,
FindPybind11
)
# ------------------------------------------------------------------------------
EnsurePythonVersion(2, 7)
EnsureSConsVersion(2, 4)
# ------------------------------------------------------------------------------
tamaas_info = dict(
version="2.1.2",
authors=[
u'Lucas Frérot',
'Guillaume Anciaux',
'Valentine Rey',
'Son Pham-Ba',
u'Jean-François Molinari'
],
maintainer=u'Lucas Frérot',
email='lucas.frerot@protonmail.com',
copyright=u"Copyright (©) 2016-2020 EPFL "
+ u"(École Polytechnique Fédérale de Lausanne), "
+ u"Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)"
)
# ------------------------------------------------------------------------------
def detect_dependencies(env):
"""Detect all dependencies"""
FindFFTW(env, ['omp'], precision=env['real_type'])
FindBoost(env, ['boost/preprocessor/seq.hpp'])
FindExpolit(env)
thrust_var = 'THRUST_ROOT'
# Take cuda version of thrust if available
if 'CUDA_ROOT' in env['ENV']:
thrust_var = 'CUDA_ROOT'
FindThrust(env, env['backend'], thrust_var)
# Activate cuda if needed
if env['backend'] == 'cuda':
FindCuda(env)
if env['build_python']:
FindPybind11(env)
# ------------------------------------------------------------------------------
# Main compilation
# ------------------------------------------------------------------------------
# Compilation colors
colors = {
- 'cyan': '\033[96m',
- 'purple': '\033[95m',
- 'blue': '\033[94m',
- 'green': '\033[92m',
- 'yellow': '\033[93m',
- 'red': '\033[91m',
- 'end': '\033[0m'
+ 'cyan': '\033[96m',
+ 'purple': '\033[95m',
+ 'blue': '\033[94m',
+ 'green': '\033[92m',
+ 'yellow': '\033[93m',
+ 'gray': '\033[38;5;8m',
+ 'orange': '\033[38;5;208m',
+ 'red': '\033[91m',
+ 'end': '\033[0m'
}
# Inherit all environment variables (for CXX detection, etc.)
main_env = Environment(
ENV=os.environ,
)
# Set tamaas information
for k, v in tamaas_info.items():
main_env[k] = v
main_env['COLOR_DICT'] = colors
# Compiler detection
compiler_default = os.getenv('CXX', 'g++')
# Build variables
vars = Variables('build-setup.conf')
vars.AddVariables(
EnumVariable('build_type', 'Build type', 'release',
allowed_values=('release', 'profiling', 'debug'),
ignorecase=2),
EnumVariable('backend', 'Thrust backend', 'omp',
allowed_values=('omp', 'tbb'),
# allowed_values=('omp', 'cuda'),
ignorecase=2),
EnumVariable('sanitizer', 'Sanitizer type', 'none',
allowed_values=('none', 'memory', 'leaks', 'address'),
ignorecase=2),
PathVariable('prefix',
'Prefix where to install', '/usr/local'),
# Dependencies paths
PathVariable('FFTW_ROOT',
'FFTW custom path', os.getenv('FFTW_ROOT', ''),
PathVariable.PathAccept),
PathVariable('THRUST_ROOT',
'Thrust custom path', os.getenv('THRUST_ROOT', ''),
PathVariable.PathAccept),
PathVariable('BOOST_ROOT',
'Boost custom path', os.getenv('BOOST_ROOT', ''),
PathVariable.PathAccept),
PathVariable('CUDA_ROOT',
'Cuda custom path', os.getenv('CUDA_ROOT', ''),
PathVariable.PathAccept),
# Dependencies provided as submodule get different default
PathVariable('GTEST_ROOT',
'Googletest custom path',
os.getenv('GTEST_ROOT', '#third-party/googletest/googletest'),
PathVariable.PathAccept),
PathVariable('PYBIND11_ROOT',
'Pybind11 custom path',
os.getenv('PYBIND11_ROOT', '#third-party/pybind11/include'),
PathVariable.PathAccept),
PathVariable('EXPOLIT_ROOT',
'Expolit custom path',
os.getenv('EXPOLIT_ROOT', '#third-party/expolit/include'),
PathVariable.PathAccept),
# Executables
('CXX', 'Compiler', compiler_default),
('py_exec', 'Python executable', 'python3'),
# Compiler flags
('CXXFLAGS', 'C++ compiler flags', os.getenv('CXXFLAGS', "")),
# Compile legacy code
BoolVariable('legacy_bem', 'Compile legacy BEM code', False),
# Cosmetic
BoolVariable('verbose', 'Activate verbosity', False),
BoolVariable('color', 'Color the non-verbose compilation output', False),
# Tamaas components
BoolVariable('build_doc', 'Build documentation', False),
BoolVariable('build_tests', 'Build test suite', False),
BoolVariable('build_python', 'Build python wrapper', True),
# Dependencies
BoolVariable('use_googletest', 'Build tests using GTest', False),
# Distribution options
BoolVariable('strip_info', 'Strip binary of added information', False),
BoolVariable('packaging_setup', "Modify setup.py and python wrapper "
"RPATHs for packaging to PyPI (maintainer only)", False),
# Type variables
EnumVariable('real_type', 'Type for real precision variables', 'double',
allowed_values=('double', 'long double')),
EnumVariable('integer_type', 'Type for integer variables', 'int',
allowed_values=('int', 'long')),
)
# Set variables of environment
vars.Update(main_env)
help_text = vars.GenerateHelpText(main_env)
help_text += """
Commands:
scons [build] [options]... Compile Tamaas (and additional modules/tests)
scons install [prefix=/your/prefix] [options]... Install Tamaas to prefix
scons dev Install symlink to Tamaas python module (useful to development purposes)
scons test Run tests with pytest
scons doc Compile documentation with Doxygen and Sphinx+Breathe
scons archive Create a gzipped archive from source
""" # noqa
Help(help_text)
# Save all options, not just those that differ from default
with open('build-setup.conf', 'w') as setup:
for option in vars.options:
setup.write("# " + option.help + "\n")
setup.write("{} = '{}'\n".format(option.key, main_env[option.key]))
main_env['should_configure'] = \
not main_env.GetOption('clean') and not main_env.GetOption('help')
build_type = main_env['build_type']
build_dir = 'build-' + main_env['build_type']
main_env['build_dir'] = build_dir
if main_env['should_configure']:
print("Building in " + build_dir)
if main_env['packaging_setup']:
main_env['strip_info'] = True
verbose = main_env['verbose']
# Remove colors if not set
if not main_env['color']:
for key in colors:
colors[key] = ''
if not verbose:
main_env['CXXCOMSTR'] = main_env['SHCXXCOMSTR'] = \
u'{0}[Compiling ($SHCXX)] {1}$SOURCE'.format(colors['green'],
colors['end'])
main_env['LINKCOMSTR'] = main_env['SHLINKCOMSTR'] = \
u'{0}[Linking] {1}$TARGET'.format(colors['purple'],
colors['end'])
+ main_env['ARCOMSTR'] = u'{}[Ar]{} $TARGET'.format(colors['purple'],
+ colors['end'])
+ main_env['RANLIBCOMSTR'] = \
+ u'{}[Randlib]{} $TARGET'.format(colors['purple'],
+ colors['end'])
main_env['PRINT_CMD_LINE_FUNC'] = pretty_cmd_print
# Include paths
main_env.AppendUnique(CPPPATH=['#/src',
'#/src/core',
'#/src/bem',
'#/src/surface',
'#/src/python',
'#/src/percolation',
'#/src/model',
'#/src/model/elasto_plastic',
'#/src/solvers',
'#/src/gpu',
'#/python'])
# Changing the shared object extension
main_env['SHOBJSUFFIX'] = '.o'
# Back to gcc if cuda is activated
if main_env['backend'] == "cuda" and "g++" not in main_env['CXX']:
raise SCons.Errors.StopError('GCC should be used when compiling with CUDA')
# OpenMP flags - compiler dependent
omp_flags = {
"g++": ["-fopenmp"],
"clang++": ["-fopenmp"],
"icpc": ["-qopenmp"]
}
def cxx_alias(cxx):
for k in omp_flags.keys():
if k in cxx:
return k
raise SCons.Errors.StopError('Unsupported compiler: ' + cxx)
cxx = cxx_alias(main_env['CXX'])
main_env['CXXFLAGS'] = Split(main_env['CXXFLAGS'])
main_env.AppendUnique(CXXFLAGS='-std=c++14 -Wall -Wextra -pedantic'.split())
# Append openmp flags regardless of backend for fftw_omp
main_env.AppendUnique(CXXFLAGS=omp_flags[cxx])
main_env.AppendUnique(LINKFLAGS=omp_flags[cxx])
# Correct bug in clang?
if main_env['backend'] == 'omp' and cxx == "clang++":
main_env.AppendUnique(LIBS=["atomic"])
elif main_env['backend'] == 'tbb':
main_env.AppendUnique(LIBS=['tbb'])
# Force deactivate legacy when using intel
# Intel does not like old openmp loops
if cxx == 'icpc' and main_env['legacy_bem']:
print("Using intel compiler => deactivating legacy code")
main_env['legacy_bem'] = False
# Flags and options
if main_env['build_type'] == 'debug':
main_env.AppendUnique(CPPDEFINES=['TAMAAS_DEBUG'])
# Define the scalar types
main_env.AppendUnique(CPPDEFINES={'REAL_TYPE': '${real_type}',
'INT_TYPE': '${integer_type}'})
# Compilation flags
cxxflags_dict = {
"debug": Split("-g -O0"),
"profiling": Split("-g -O3 -fno-omit-frame-pointer"),
"release": Split("-O3")
}
if main_env['sanitizer'] != 'none':
if main_env['backend'] == 'cuda':
raise SCons.Errors.StopError(
"Sanitizers with cuda are not yet supported!")
cxxflags_dict[build_type].append('-fsanitize=${sanitizer}')
main_env.AppendUnique(CXXFLAGS=cxxflags_dict[build_type])
main_env.AppendUnique(SHLINKFLAGS=cxxflags_dict[build_type])
main_env.AppendUnique(LINKFLAGS=cxxflags_dict[build_type])
if main_env['should_configure']:
detect_dependencies(main_env)
# Writing information file
main_env.Tool('textfile')
main_env['SUBST_DICT'] = get_git_subst()
# Empty values if requested
if main_env['strip_info']:
for k in main_env['SUBST_DICT']:
main_env['SUBST_DICT'][k] = ""
# Substitution of environment file
main_env['SUBST_DICT'].update({
'@build_type@': '$build_type',
'@build_dir@': abspath(build_dir),
})
# Environment file content
env_content = """export PYTHONPATH=@build_dir@/python:$$PYTHONPATH
export LD_LIBRARY_PATH=@build_dir@/src:$$LD_LIBRARY_PATH
"""
# Writing environment file
env_file = main_env.Textfile(join(build_dir, 'tamaas_environment.sh'),
env_content)
# Building sub-directories
def subdir(dir):
return SConscript(join(dir, 'SConscript'),
variant_dir=join(build_dir, dir),
duplicate=True)
# Building Tamaas library
Export('main_env')
subdir('src')
build_targets = ['build-cpp', env_file]
install_targets = ['install-lib']
# Building Tamaas extra components
for dir in ['python', 'tests']:
if main_env['build_{}'.format(dir)] and not main_env.GetOption('help'):
subdir(dir)
build_targets.append('build-{}'.format(dir))
# Building API + Sphinx documentation if requested
if main_env['build_doc']:
doc_env = main_env.Clone()
doc = doc_env.Command('#.phony_doc', '',
'make -C {doc} clean && make -C {doc}'
.format(doc=Dir('#/doc')))
if doc_env['build_python']:
doc_env.PrependENVPath('PYTHONPATH',
doc_env.subst('../${build_dir}/python'))
doc_env.Depends(doc, 'build-python')
main_env.Alias('doc', doc)
else:
dummy_command(main_env, 'doc', 'Command "doc" does not do anything'
' without documentation activated ("build_doc=True")')
# Define dummy dev command when python is deactivated
if not main_env['build_python']:
dummy_command(main_env, 'dev', 'Command "dev" does not do anything'
+ ' without python activated ("build_python=True")')
else:
install_targets.append('install-python')
# Define dummy test command when tests are deactivated
if not main_env['build_tests']:
dummy_command(main_env, 'test', 'Command "test" does not do anything'
+ ' without tests activated ("build_tests=True")')
# Definition of target aliases, a.k.a. sub-commands
main_env.Alias('build', build_targets)
# Define proper install targets
main_env.Alias('install', install_targets)
# Default target is to build stuff
main_env.Default('build')
# Building a tar archive
archive = main_env.Command(
'../tamaas-{}.tar.gz'.format(main_env['version']),
'',
('tar --exclude-vcs --exclude-vcs-ignores '
'--exclude=third-party/googletest '
'--exclude=third-party/pybind11 '
'--exclude=joss '
'-czf $TARGET .'),
)
main_env.Alias('archive', archive)
diff --git a/site_scons/site_init.py b/site_scons/site_init.py
index c80730e5..3a80aa4d 100644
--- a/site_scons/site_init.py
+++ b/site_scons/site_init.py
@@ -1,126 +1,126 @@
# -*- coding: utf-8 -*-
# @file
# @section LICENSE
#
# Copyright (©) 2016-2020 EPFL (École Polytechnique Fédérale de Lausanne),
# Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import subprocess
from detect import FindPybind11
# ------------------------------------------------------------------------------
def pybind11(env):
"""A tool to configure pybind11"""
def execute(command):
return [line for line in subprocess.check_output(
command, universal_newlines=True).split('\n')
if line != ""]
# Create a clone so we do not modify env
clone = env.Clone()
# Set variables for clone
FindPybind11(clone)
includes = clone['CPPPATH']
# Extension of shared library for python
try:
extension = execute(
'{}-config --extension-suffix'.format(env['py_exec']).split())[0]
except subprocess.CalledProcessError:
extension = ".so"
def pybind11_builder(env, target, source, **kwargs):
"""Create a pybind11 module"""
clone = env.Clone()
clone.AppendUnique(CPPPATH=includes)
clone['SHLIBSUFFIX'] = extension
clone.AppendUnique(SHLINKFLAGS=['-fvisibility=hidden'])
return clone.SharedLibrary(target, source, **kwargs)
# Add pseudo-builder to master environment
env.AddMethod(pybind11_builder, 'Pybind11Module')
# ------------------------------------------------------------------------------
def pretty_cmd_print(command, target, source, env):
colors = env['COLOR_DICT']
if 'Copy' in command:
- color = colors['red']
+ color = colors['gray']
action = 'Copying'
elif 'Creating' in command:
color = colors['yellow']
action = 'Generating'
else:
print(command)
return
print("{color}[{action}] {end}{target}".format(
color=color,
end=colors['end'],
target=target[0],
action=action
))
# ------------------------------------------------------------------------------
def CheckPythonModule(context, module):
"""Checks the existence of a python module"""
context.Message('Checking for Python module {}... '.format(module))
env = context.sconf.env
command = [env.subst('${py_exec}'), '-c', 'import {}'.format(module)]
context.Log('Executing external command: {}\n'.format(command))
try:
subprocess.check_output(command, stderr=subprocess.STDOUT)
result = True
except subprocess.CalledProcessError as e:
result = False
context.Log(e.output + '\n')
context.Result(result)
return result
# ------------------------------------------------------------------------------
def dummy_command(env, command, error_msg):
"""Creates a dummy scons command"""
def print_error(*args, **kwargs):
print(error_msg)
def print_cmd(*args, **kwargs):
pass
comm = env.Command('#.phony_{}'.format(command),
'', print_error, PRINT_CMD_LINE_FUNC=print_cmd)
env.Alias(command, comm)
# ------------------------------------------------------------------------------
def get_python_version(env):
versions_script = """
from __future__ import print_function
from sysconfig import get_python_version
print(get_python_version())"""
version = subprocess.check_output([env['py_exec'], "-c", versions_script],
universal_newlines=True).replace('\n',
'')
print(version)
return version
diff --git a/tests/SConscript b/tests/SConscript
index 44a6e2da..474e783f 100644
--- a/tests/SConscript
+++ b/tests/SConscript
@@ -1,217 +1,208 @@
# -*- mode:python; coding: utf-8 -*-
# vim: set ft=python:
# @file
# @section LICENSE
#
# Copyright (©) 2016-2020 EPFL (École Polytechnique Fédérale de Lausanne),
# Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
from __future__ import print_function
from os.path import join
from SCons.Script import Split, Copy, Dir, Import
from detect import FindGTest, FindPybind11
# ------------------------------------------------------------------------------
def copyComStr(env, main):
if 'SHCXXCOMSTR' in main:
env['CXXCOMSTR'] = main['SHCXXCOMSTR']
if 'SHLINKCOMSTR' in main:
env['LINKCOMSTR'] = main['SHLINKCOMSTR']
# ------------------------------------------------------------------------------
def make_python_tests(env):
"""Copy python tests to build directory"""
test_env = env.Clone()
test_files = Split("""
test_hertz.py
test_westergaard.py
test_patch_westergaard.py
test_patch_plasticity.py
test_surface.py
test_hertz_disp.py
test_hertz_kato.py
test_saturated_pressure.py
test_flood_fill.py
test_integral_operators.py
test_dumper.py
test_tangential.py
test_boussinesq_surface.py
test_voigt.py
test_memory.py
test_epic.py
fftfreq.py
conftest.py
""")
if env['legacy_bem']:
test_files += ['test_bem_grid.py', 'test_autocorrelation.py']
src_dir = "#/tests"
targets = [
test_env.Command(file, join(src_dir, file),
Copy("$TARGET", "$SOURCE"))
for file in test_files
]
test_env = env.Clone(tools=[pybind11])
# Helper module for integral operators
test_env['SHLIBPREFIX'] = ''
register = test_env.Pybind11Module(
target="register_integral_operators",
source=["register_integral_operators.cpp"],
LIBS=['Tamaas'])
Import('libTamaas')
test_env.Depends(register, libTamaas)
targets.append(register)
return targets
# ------------------------------------------------------------------------------
def compile_google_test(env, gtest_path):
gtest_obj = env.Object('gtest.o', [join(gtest_path, "src/gtest-all.cc")])
return env.StaticLibrary('gtest', gtest_obj)
# ------------------------------------------------------------------------------
def make_google_tests(env):
gtest_dir = Dir(env['GTEST_ROOT'])
gtest_env = env.Clone(CPPPATH=[gtest_dir],
CXXFLAGS=['-pthread', '-isystem',
join(str(gtest_dir), "include")])
- colors = env['COLOR_DICT']
-
- if not env['verbose']:
- gtest_env['ARCOMSTR'] = u'{}[Ar]{} $TARGET'.format(colors['purple'],
- colors['end'])
- gtest_env['RANLIBCOMSTR'] = \
- u'{}[Randlib]{} $TARGET'.format(colors['purple'],
- colors['end'])
-
FindGTest(gtest_env)
libgtest = None
# Hugly hack to detect if we need to compile gtest submodule
if env['GTEST_ROOT'] == '#third-party/googletest/googletest':
gtest_path = str(gtest_dir)
libgtest = compile_google_test(gtest_env, gtest_path)
env.AppendUnique(LIBS=['Tamaas'],
CXXFLAGS=gtest_env['CXXFLAGS'])
google_test_files = Split("""
test_fft.cpp
test_grid.cpp
test_loop.cpp
test_model.cpp
test_static_types.cpp
test_integration.cpp
""")
# Necessary for the tests that use pybind11 calls to python
use_python = []
if env['build_python']:
google_test_files.append('test_fftfreq.cpp')
use_python = ['USE_PYTHON']
defines = env['CPPDEFINES']
if type(defines) is not list:
defines = [defines]
gtest_main = env.Object("tamaas_gtest_main.o", 'tamaas_gtest_main.cc',
CPPDEFINES=defines + use_python)
gtest_all = env.Program('test_gtest_all', google_test_files + [gtest_main],
LIBS=(env['LIBS'] + ['gtest']))
Import('libTamaas')
env.Depends(gtest_all, libTamaas)
env.Depends(gtest_all, libgtest)
return [gtest_all]
# ------------------------------------------------------------------------------
def make_bare_tests(env):
rough = env.Program("test_rough_surface.cpp")
Import('libTamaas')
env.Depends(rough, libTamaas)
return [rough]
# ------------------------------------------------------------------------------
Import('main_env')
# Setup of test environment
test_env = main_env.Clone()
test_env.AppendUnique(
LIBS=['Tamaas'],
LIBPATH=['.', Dir(join('#${build_dir}', 'src'))],
RPATH=["'$$$$ORIGIN/../src'"]
)
# Building tests that do not require any third party
targets = make_bare_tests(test_env)
# Build tests that required python bindings
if test_env['build_python']:
FindPybind11(test_env)
test_env.Tool(pybind11)
test_env.ParseConfig("${py_exec}-config --ldflags")
test_env['CCFLAGS'] = []
targets += make_python_tests(test_env)
# Building google tests
if test_env['use_googletest']:
targets += make_google_tests(test_env)
targets.append(test_env.Command('test_gtest.py', '#tests/test_gtest.py',
Copy('$TARGET', '$SOURCE')))
# Target alias to build tests
main_env.Alias('build-tests', targets)
# Check if pytest is installed
conf = Configure(main_env,
custom_tests={'CheckPythonModule': CheckPythonModule})
has_pytest = conf.CheckPythonModule('pytest')
conf.Finish()
# Define a command to execute tests
if has_pytest:
pytest_env = main_env.Clone()
pytest_env.PrependENVPath('PYTHONPATH',
pytest_env.subst('${build_dir}/python'))
pytest_env.PrependENVPath('LD_LIBRARY_PATH',
pytest_env.subst('${build_dir}/src'))
test_target = pytest_env.Command('#/.phony_test', targets,
'${py_exec} -m pytest ${build_dir}/tests')
main_env.Alias('test', test_target)
else:
# We still define a target here so that `scons test` still works
dummy_command(main_env, 'test',
'Cannot run tests: pytest is not installed')