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SConstruct
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"""
SCons build script for Cantera
Basic usage:
'scons help' - Show this help message.
'scons build' - Compile Cantera and the language interfaces using
default options.
'scons clean' - Delete files created while building Cantera.
'scons install' - Install Cantera.
'scons uninstall' - Uninstall Cantera.
'scons test' - Run all tests which did not previously pass or for which the
results may have changed.
'scons test-reset' - Reset the passing status of all tests.
'scons test-clean' - Delete files created while running the tests.
'scons test-help' - List available tests.
'scons test-NAME' - Run the test named "NAME".
'scons samples' - Compile the C++ and Fortran samples.
'scons msi' - Build a Windows installer (.msi) for Cantera.
'scons sphinx' - Build the Sphinx documentation
'scons doxygen' - Build the Doxygen documentation
Additional command options:
'scons help --options' - Print a description of user-specifiable options.
'scons help --list-options' - Print formatted list of available options.
'scons help --option=<opt>' - Print the description of a specific option
with name <opt>, for example
'scons help --option=prefix'
'scons <command> -j<X>' - Short form of '--jobs=<X>'. Run the <command> using '<X>'
parallel jobs, for example 'scons build -j4'
'scons <command> -s' - Short form of '--silent' (or '--quiet'). Suppresses output.
"""
# Note that 'scons help' supports additional command options that are intended for
# internal use (debugging or reST parsing of options) and thus are not listed above:
# --defaults ... list default values for all supported platforms
# --restructured-text ... format configuration as reST
# --dev ... add '-dev' to reST output
# --output=<fname> ... send output to file (reST only)
#
# Other features not listed above:
# 'scons sdist' - Build PyPI packages.
# 'scons <command> dump' - Dump the state of the SCons environment to the
# screen instead of doing <command>, for example
# 'scons build dump'. For debugging purposes.
# This f-string is deliberately here to trigger a SyntaxError when
# SConstruct is parsed by Python 2. This seems to be the most robust
# and simplest option that will reliably trigger an error in Python 2
# and provide actionable feedback for users.
f"""
Cantera must be built using Python 3.8 or higher. You can invoke SCons by executing
python3 `which scons`
followed by any desired options.
"""
from pathlib import Path
import sys
import os
import platform
import subprocess
import re
import json
import textwrap
try:
from packaging.version import parse as parse_version
except ImportError:
from pkg_resources import parse_version
import SCons
# ensure that Python and SCons versions are sufficient for the build process
EnsurePythonVersion(3, 7)
EnsureSConsVersion(3, 0, 0)
from buildutils import *
if not COMMAND_LINE_TARGETS:
# Print usage help
logger.error("Missing command argument: type 'scons help' for information.")
sys.exit(1)
if os.name not in ["nt", "posix"]:
logger.error(f"Unrecognized operating system {os.name!r}")
sys.exit(1)
valid_commands = ("build", "clean", "install", "uninstall",
"help", "msi", "samples", "sphinx", "doxygen", "dump",
"sdist")
# set default logging level
if GetOption("silent"):
logger.logger.setLevel("ERROR")
else:
logger.logger.setLevel("INFO")
for command in COMMAND_LINE_TARGETS:
if command not in valid_commands and not command.startswith('test'):
logger.error(f"Unrecognized command line target: {command!r}")
sys.exit(1)
if "clean" in COMMAND_LINE_TARGETS:
remove_directory("build")
remove_directory("stage")
remove_directory(".sconf_temp")
remove_directory("test/work")
remove_file(".sconsign.dblite")
remove_file("include/cantera/base/config.h")
remove_file("src/extensions/PythonExtensionManager.os")
remove_file("src/extensions/delegator.h")
remove_file("src/pch/system.h.gch")
remove_directory("include/cantera/ext")
remove_file("config.log")
remove_directory("doc/sphinx/matlab/examples")
remove_file("doc/sphinx/matlab/examples.rst")
for name in Path("doc/sphinx/matlab/").glob("**/*.rst"):
if name.name != "index.rst":
remove_file(name)
remove_directory("doc/sphinx/cython/examples")
remove_file("doc/sphinx/cython/examples.rst")
for name in Path(".").glob("*.msi"):
remove_file(name)
for name in Path("site_scons").glob("**/*.pyc"):
remove_file(name)
remove_file("interfaces/matlab/toolbox/cantera_shared.dll")
remove_file("interfaces/matlab/Contents.m")
remove_file("interfaces/matlab/ctpath.m")
for name in Path("interfaces/matlab/toolbox").glob("ctmethods.*"):
remove_file(name)
logger.status("Done removing output files.", print_level=False)
if COMMAND_LINE_TARGETS == ["clean"]:
# Just exit if there's nothing else to do
sys.exit(0)
else:
Alias("clean", [])
if "test-clean" in COMMAND_LINE_TARGETS:
remove_directory("build/test")
remove_directory("test/work")
remove_directory("build/python_local")
python_version = f"{sys.version_info.major}.{sys.version_info.minor}"
logger.info(
f"SCons {SCons.__version__} is using the following Python interpreter:\n"
f" {sys.executable} (Python {python_version})", print_level=False)
# ******************************************
# *** Specify defaults for SCons options ***
# ******************************************
windows_options = [
Option(
"msvc_version",
"""Version of Visual Studio to use. The default is the newest installed version.
Note that since multiple MSVC toolsets can be installed for a single version of
Visual Studio, you probably want to use ``msvc_toolset_version`` unless you
specifically installed multiple versions of Visual Studio. Windows MSVC only.
""",
""),
Option(
"msvc_toolset_version",
"""Version of the MSVC toolset to use. The default is the default version for
the given ``msvc_version``. Note that the toolset selected here must be
installed in the MSVC version selected by ``msvc_version``. The default
toolsets associated with various Visual Studio versions are:
* '14.1' ('14.1x'): Visual Studio 2017
* '14.2' ('14.2x'): Visual Studio 2019
* '14.3' ('14.3x'): Visual Studio 2022.
For version numbers in parentheses, 'x' is a placeholder for a minor version
number. Windows MSVC only.""",
""),
EnumOption(
"target_arch",
"""Target architecture. The default is the same architecture as the
installed version of Python. Windows only.""",
{"Windows": "amd64"},
("amd64", "x86")),
EnumOption(
"toolchain",
"""The preferred compiler toolchain. If MSVC is not on the path but
'g++' is on the path, 'mingw' is used as a backup. Windows only.""",
{"Windows": "msvc"},
("msvc", "mingw", "intel")),
]
config_options = [
Option(
"AR",
"The archiver to use.",
"${AR}"),
Option(
"CXX",
"The C++ compiler to use.",
"${CXX}"),
Option(
"cxx_flags",
"""Compiler flags passed to the C++ compiler only. Separate multiple
options with spaces, for example, "cxx_flags='-g -Wextra -O3 --std=c++14'"
""",
{
"cl": "/EHsc /std:c++17",
"default": "-std=c++17"
}),
Option(
"CC",
"The C compiler to use. This is only used to compile CVODE.",
"${CC}"),
Option(
"cc_flags",
"""Compiler flags passed to both the C and C++ compilers, regardless of
optimization level.""",
{
"cl": "/MD /nologo /D_SCL_SECURE_NO_WARNINGS /D_CRT_SECURE_NO_WARNINGS",
"clang": "-fcolor-diagnostics",
"default": "",
}),
PathOption(
"prefix",
r"""Set this to the directory where Cantera should be installed. If the Python
executable found during compilation is managed by 'conda', the installation
'prefix' defaults to the corresponding environment and the 'conda' layout
will be used for installation (specifying any of the options 'prefix',
'python_prefix', 'python_cmd', or 'layout' will override this default). On
Windows systems, '$ProgramFiles' typically refers to "C:\Program Files".""",
{"Windows": r"$ProgramFiles\Cantera", "default": "/usr/local"},
PathVariable.PathAccept),
PathOption(
"libdirname",
"""Set this to the directory where Cantera libraries should be installed.
Some distributions (for example, Fedora/RHEL) use 'lib64' instead of 'lib'
on 64-bit systems or could use some other library directory name instead of
'lib', depending on architecture and profile (for example, Gentoo 'libx32'
on x32 profile). If the user didn't set the 'libdirname' configuration
variable, set it to the default value 'lib'""",
"lib", PathVariable.PathAccept),
EnumOption(
"python_package",
"""If you plan to work in Python, then you need the 'full' Cantera Python
package. If, on the other hand, you will only use Cantera from some
other language (for example, MATLAB or Fortran 90/95) and only need Python
to process YAML files, then you only need a 'minimal' subset of the
package and Cython and NumPy are not necessary. The 'none' option
doesn't install any components of the Python interface. The default
behavior is to build the full Python module for whichever version of
Python is running SCons if the required prerequisites (NumPy and
Cython) are installed. Note: 'y' is a synonym for 'full' and 'n'
is a synonym for 'none'.""",
"default", ("full", "minimal", "none", "n", "y", "default")),
BoolOption(
"python_sdist",
"""Setting this option to True builds the Python sdist.""",
False),
PathOption(
"python_cmd",
"""Cantera needs to know where to find the Python interpreter. If
'PYTHON_CMD' is not set, then the configuration process will use the
same Python interpreter being used by SCons.""",
"${PYTHON_CMD}",
PathVariable.PathAccept),
PathOption(
"python_prefix",
"""Use this option if you want to install the Cantera Python package to
an alternate location. On Unix-like systems, the default is the same
as the 'prefix' option. If the 'python_prefix' option is set to
the empty string or the 'prefix' option is not set, then the package
will be installed to the system default 'site-packages' directory.
To install to the current user's 'site-packages' directory, use
'python_prefix=USER'.""",
{"default": ""},
PathVariable.PathAccept),
EnumOption(
"matlab_toolbox",
"""This variable controls whether the MATLAB toolbox will be built. If
set to 'y', you will also need to set the value of the 'matlab_path'
variable. If set to 'default', the MATLAB toolbox will be built if
'matlab_path' is set.""",
"default", ("y", "n", "default")),
PathOption(
"matlab_path",
"""Path to the MATLAB install directory. This should be the directory
containing the 'extern', 'bin', etc. subdirectories. Typical values
are: "C:\\Program Files\\MATLAB\\R2021a" on Windows,
"/Applications/MATLAB_R2021a.app" on macOS, or
"/opt/MATLAB/R2021a" on Linux.""",
"", PathVariable.PathAccept),
EnumOption(
"f90_interface",
"""This variable controls whether the Fortran 90/95 interface will be
built. If set to 'default', the builder will look for a compatible
Fortran compiler in the 'PATH' environment variable, and compile
the Fortran 90 interface if one is found.""",
"default", ("y", "n", "default")),
PathOption(
"FORTRAN",
"""The Fortran (90) compiler. If unspecified, the builder will look for a
compatible compiler (pgfortran, gfortran, ifort, ifx, g95) in the 'PATH'
environment variable. Used only for compiling the Fortran 90 interface.""",
"", PathVariable.PathAccept),
Option(
"FORTRANFLAGS",
"Compilation options for the Fortran (90) compiler.",
"-O3"),
BoolOption(
"coverage",
"""Enable collection of code coverage information with gcov.
Available only when compiling with gcc.""",
False),
BoolOption(
"doxygen_docs",
"Build HTML documentation for the C++ interface using Doxygen.",
False),
BoolOption(
"sphinx_docs",
"Build HTML documentation for Cantera using Sphinx.",
False),
PathOption(
"sphinx_cmd",
"Command to use for building the Sphinx documentation.",
"sphinx-build", PathVariable.PathAccept),
Option(
"sphinx_options",
"""Options passed to the 'sphinx_cmd' command line. Separate multiple
options with spaces, for example, "-W --keep-going".""",
"-W --keep-going"),
EnumOption(
"system_eigen",
"""Select whether to use Eigen from a system installation ('y'), from a
Git submodule ('n'), or to decide automatically ('default'). If Eigen
is not installed directly into a system include directory, for example, it
is installed in '/opt/include/eigen3/Eigen', then you will need to add
'/opt/include/eigen3' to 'extra_inc_dirs'.
""",
"default", ("default", "y", "n")),
EnumOption(
"system_fmt",
"""Select whether to use the fmt library from a system installation
('y'), from a Git submodule ('n'), or to decide automatically
('default'). If you do not want to use the Git submodule and fmt
is not installed directly into system include and library
directories, then you will need to add those directories to
'extra_inc_dirs' and 'extra_lib_dirs'. This installation of fmt
must include the shared version of the library, for example,
'libfmt.so'.""",
"default", ("default", "y", "n")),
EnumOption(
"hdf_support",
"""Select whether to support HDF5 container files natively ('y'), disable HDF5
support ('n'), or to decide automatically based on the system configuration
('default'). Native HDF5 support uses the HDF5 library as well as the
header-only HighFive C++ wrapper (see option 'system_highfive'). Specifying
'hdf_include' or 'hdf_libdir' changes the default to 'y'.""",
"default", ("default", "y", "n")),
PathOption(
"hdf_include",
"""The directory where the HDF5 header files are installed. This should be the
directory that contains files 'H5Version.h' and 'H5Public.h', amongst others.
Not needed if the headers are installed in a standard location, for example,
'/usr/include'.""",
"", PathVariable.PathAccept),
PathOption(
"hdf_libdir",
"""The directory where the HDF5 libraries are installed. Not needed if the
libraries are installed in a standard location, for example, '/usr/lib'.""",
"", PathVariable.PathAccept),
EnumOption(
"system_highfive",
"""Select whether to use HighFive from a system installation ('y'), from a
Git submodule ('n'), or to decide automatically ('default'). If HighFive
is not installed directly into a system include directory, for example, it
is installed in '/opt/include/HighFive', then you will need to add
'/opt/include/HighFive' to 'extra_inc_dirs'.""",
"default", ("default", "y", "n")),
EnumOption(
"system_yamlcpp",
"""Select whether to use the yaml-cpp library from a system installation
('y'), from a Git submodule ('n'), or to decide automatically
('default'). If yaml-cpp is not installed directly into system
include and library directories, then you will need to add those
directories to 'extra_inc_dirs' and 'extra_lib_dirs'.""",
"default", ("default", "y", "n")),
EnumOption(
"system_sundials",
"""Select whether to use SUNDIALS from a system installation ('y'), from
a Git submodule ('n'), or to decide automatically ('default').
Specifying 'sundials_include' or 'sundials_libdir' changes the
default to 'y'.""",
"default", ("default", "y", "n")),
PathOption(
"sundials_include",
"""The directory where the SUNDIALS header files are installed. This
should be the directory that contains the "cvodes", "nvector", etc.
subdirectories. Not needed if the headers are installed in a
standard location, for example, '/usr/include'.""",
"", PathVariable.PathAccept),
PathOption(
"sundials_libdir",
"""The directory where the SUNDIALS static libraries are installed.
Not needed if the libraries are installed in a standard location,
for example, '/usr/lib'.""",
"", PathVariable.PathAccept),
EnumOption(
"system_blas_lapack",
"""Select whether to use BLAS/LAPACK from a system installation ('y'), use
Eigen linear algebra support ('n'), or to decide automatically based on
libraries detected on the system ('default'). Specifying 'blas_lapack_libs'
or 'blas_lapack_dir' changes the default to 'y', whereas installing the
Matlab toolbox changes the default to 'n'. On macOS, the 'default' option
uses the Accelerate framework, whereas on other operating systems the
preferred option depends on the CPU manufacturer. In general, OpenBLAS
('openblas') is prioritized over standard libraries ('lapack,blas'), with
Eigen being used if no suitable BLAS/LAPACK libraries are detected. On Intel
CPU's, MKL (Windows: 'mkl_rt' / Linux: 'mkl_rt,dl') has the highest priority,
followed by the other options. Note that Eigen is required whether or not
BLAS/LAPACK libraries are used.""",
"default", ("default", "y", "n")),
Option(
"blas_lapack_libs",
"""Cantera can use BLAS and LAPACK libraries installed on your system if you
have optimized versions available (see option 'system_blas_lapack'). To use
specific versions of BLAS and LAPACK, set 'blas_lapack_libs' to the the list
of libraries that should be passed to the linker, separated by commas, for
example, "lapack,blas" or "lapack,f77blas,cblas,atlas".""",
""),
PathOption(
"blas_lapack_dir",
"""Directory containing the libraries specified by 'blas_lapack_libs'. Not
needed if the libraries are installed in a standard location, for example,
'/usr/lib'.""",
"", PathVariable.PathAccept),
BoolOption(
"lapack_ftn_trailing_underscore",
"""Controls whether the LAPACK functions have a trailing underscore
in the Fortran libraries.""",
True),
BoolOption(
"lapack_ftn_string_len_at_end",
"""Controls whether the LAPACK functions have the string length
argument at the end of the argument list ('yes') or after
each argument ('no') in the Fortran libraries.""",
True),
EnumOption(
"googletest",
"""Select whether to use gtest/gmock from system
installation ('system'), from a Git submodule ('submodule'), to decide
automatically ('default') or don't look for gtest/gmock ('none')
and don't run tests that depend on gtest/gmock.""",
"default", ("default", "system", "submodule", "none")),
Option(
"env_vars",
"""Environment variables to propagate through to SCons. Either the
string 'all' or a comma separated list of variable names, for example,
'LD_LIBRARY_PATH,HOME'.""",
"PATH,LD_LIBRARY_PATH,DYLD_LIBRARY_PATH,PYTHONPATH,USERPROFILE"),
BoolOption(
"use_pch",
"Use a precompiled-header to speed up compilation",
True),
Option(
"pch_flags",
"Compiler flags when using precompiled-header.",
{
"cl": "/FIpch/system.h",
"gcc": "-include src/pch/system.h",
"icx": "-include-pch src/pch/system.h.gch",
"clang": "-include-pch src/pch/system.h.gch",
"default": "",
}),
Option(
"thread_flags",
"Compiler and linker flags for POSIX multithreading support.",
{"Windows": "", "macOS": "", "default": "-pthread"}),
BoolOption(
"optimize",
"""Enable extra compiler optimizations specified by the
'optimize_flags' variable, instead of the flags specified by the
'no_optimize_flags' variable.""",
True),
Option(
"optimize_flags",
"Additional compiler flags passed to the C/C++ compiler when 'optimize=yes'.",
{
"cl": "/O2",
"icx": "-O3 -fp-model precise", # cannot assume finite math
"gcc": "-O3 -Wno-inline",
"default": "-O3",
}),
Option(
"no_optimize_flags",
"Additional compiler flags passed to the C/C++ compiler when 'optimize=no'.",
{"cl": "/Od /Ob0", "default": "-O0"}),
BoolOption(
"debug",
"Enable compiler debugging symbols.",
True),
Option(
"debug_flags",
"Additional compiler flags passed to the C/C++ compiler when 'debug=yes'.",
{"cl": "/Zi /Fd${TARGET}.pdb", "default": "-g"}),
Option(
"no_debug_flags",
"Additional compiler flags passed to the C/C++ compiler when 'debug=no'.",
""),
Option(
"debug_linker_flags",
"Additional options passed to the linker when 'debug=yes'.",
{"cl": "/DEBUG", "default": ""}),
Option(
"no_debug_linker_flags",
"Additional options passed to the linker when 'debug=no'.",
""),
Option(
"warning_flags",
"""Additional compiler flags passed to the C/C++ compiler to enable
extra warnings. Used only when compiling source code that is part
of Cantera (for example, excluding code in the 'ext' directory).""",
{
"cl": "/W3",
"default": "-Wall",
}),
Option(
"extra_inc_dirs",
"""Additional directories to search for header files, with multiple
directories separated by colons (*nix, macOS) or semicolons (Windows).
If an active 'conda' environment is detected, the corresponding include
path is automatically added.""",
""),
Option(
"extra_lib_dirs",
"""Additional directories to search for libraries, with multiple
directories separated by colons (*nix, macOS) or semicolons (Windows).
If an active 'conda' environment is detected, the corresponding library
path is automatically added.""",
""),
PathOption(
"boost_inc_dir",
"""Location of the Boost header files. Not needed if the headers are
installed in a standard location, for example, '/usr/include'.""",
"",
PathVariable.PathAccept),
PathOption(
"stage_dir",
"""Directory relative to the Cantera source directory to be
used as a staging area for building for example, a Debian
package. If specified, 'scons install' will install files
to 'stage_dir/prefix/...'.""",
"",
PathVariable.PathAccept),
EnumOption(
"logging",
"""Select logging level for SCons output. By default, logging messages use
the 'info' level for 'scons build' and the 'warning' level for all other
commands. In case the SCons option '--silent' is passed, all messages below
the 'error' level are suppressed.""",
"default", ("debug", "info", "warning", "error", "default")),
Option(
"gtest_flags",
"""Additional options passed to each GTest test suite, for example,
'--gtest_filter=*pattern*'. Separate multiple options with spaces.""",
""),
BoolOption(
"renamed_shared_libraries",
"""If this option is turned on, the shared libraries that are created
will be renamed to have a '_shared' extension added to their base name.
If not, the base names will be the same as the static libraries.
In some cases this simplifies subsequent linking environments with
static libraries and avoids a bug with using valgrind with
the '-static' linking flag.""",
True),
BoolOption(
"versioned_shared_library",
"""If enabled, create a versioned shared library, with symlinks to the
more generic library name, for example, 'libcantera_shared.so.2.5.0' as the
actual library and 'libcantera_shared.so' and 'libcantera_shared.so.2'
as symlinks.""",
{"mingw": False, "cl": False, "default": True}),
BoolOption(
"use_rpath_linkage",
"""If enabled, link to all shared libraries using 'rpath', that is, a fixed
run-time search path for dynamic library loading.""",
True),
Option(
"openmp_flag",
"""Compiler flags used for multiprocessing (only used to generate sample build
scripts).""",
{
"cl": "/openmp",
"icx": "-qopenmp",
"apple-clang": "-Xpreprocessor -fopenmp",
"default": "-fopenmp",
}),
EnumOption(
"layout",
"""The layout of the directory structure. 'standard' installs files to
several subdirectories under 'prefix', for example, 'prefix/bin',
'prefix/include/cantera', 'prefix/lib' etc. This layout is best used in
conjunction with "prefix='/usr/local'". 'compact' puts all installed files
in the subdirectory defined by 'prefix'. This layout is best with a prefix
like '/opt/cantera'. If the Python executable found during compilation is
managed by 'conda', the layout will default to 'conda' irrespective of
operating system. For the 'conda' layout, the Python package as well as all
libraries and header files are installed into the active 'conda' environment.
Input data, samples, and other files are installed in the 'shared/cantera'
subdirectory of the active 'conda' environment.""",
{"Windows": "compact", "default": "standard"},
("standard", "compact", "conda")),
BoolOption(
"package_build",
"""Used in combination with packaging tools (example: 'conda-build'). If
enabled, the installed package will be independent from host and build
environments, with all external library and include paths removed. Packaged
C++ and Fortran samples assume that users will compile with local SDKs, which
should be backwards compatible with the tools used for the build process.
""",
False),
BoolOption(
"fast_fail_tests",
"If enabled, tests will exit at the first failure.",
False),
BoolOption(
"skip_slow_tests",
"""If enabled, skip a subset of tests that are known to have long runtimes.
Skipping these may be desirable when running with options that cause tests
to run slowly, like disabling optimization or activating code profiling.""",
False),
BoolOption(
"show_long_tests",
"If enabled, duration of slowest tests will be shown.",
False),
BoolOption(
"verbose_tests",
"If enabled, verbose test output will be shown.",
False),
]
config = Configuration()
if "help" in COMMAND_LINE_TARGETS:
AddOption(
"--options", dest="options",
action="store_true", help="Print description of available options")
AddOption(
"--list-options", dest="list",
action="store_true", help="List available options")
AddOption(
"--restructured-text", dest="rest",
action="store_true", help="Format defaults as reST")
AddOption(
"--option", dest="option", nargs=1, type="string",
action="store", help="Output help for specific option")
AddOption(
"--defaults", dest="defaults",
action="store_true", help="All defaults (CLI only)")
AddOption(
"--dev", dest="dev",
action="store_true", help="Append -dev (reST only)")
AddOption(
"--output", dest="output", nargs=1, type="string",
action="store", help="Output file (reST only)")
list = GetOption("list")
rest = GetOption("rest")
defaults = GetOption("defaults") is not None
options = GetOption("options")
option = GetOption("option")
if not (list or rest or defaults or options or option):
# show basic help information
logger.status(__doc__, print_level=False)
sys.exit(0)
if defaults or rest or list:
config.add(windows_options)
config.add(config_options)
if list:
# show formatted list of options
logger.status("\nConfiguration options for building Cantera:\n", print_level=False)
logger.status(config.list_options() + "\n", print_level=False)
sys.exit(0)
if defaults:
try:
# print default values: if option is None, show description for all
# available options, otherwise show description for specified option
logger.status(config.help(option), print_level=False)
sys.exit(0)
except KeyError as err:
message = "Run 'scons help --list-options' to see available options."
logger.error(f"{err}.\n{message}")
sys.exit(1)
dev = GetOption("dev") is not None
try:
# format default values as reST: if option is None, all descriptions are
# rendered, otherwise only the description of specified option is shown
message = config.to_rest(option, dev=dev)
except KeyError as err:
message = "Run 'scons help --list-options' to see available options."
logger.error(f"{err}.\n{message}")
sys.exit(1)
output = GetOption("output")
if output:
# write output to file
output_file = Path(output).with_suffix(".rst")
with open(output_file, "w+") as fid:
fid.write(message)
logger.status(f"Done writing output options to {output_file!r}.",
print_level=False)
else:
logger.status(message, print_level=False)
sys.exit(0)
# **************************************
# *** Read user-configurable options ***
# **************************************
opts = Variables("cantera.conf")
extraEnvArgs = {}
if os.name == "nt":
config.add(windows_options)
config.add(config_options)
config["prefix"].default = (Path(os.environ["ProgramFiles"]) / "Cantera").as_posix()
config.select("Windows")
# On Windows, target the same architecture as the current copy of Python,
# unless the user specified another option.
if "64 bit" not in sys.version:
config["target_arch"].default = "x86"
opts.AddVariables(*config.to_scons(("msvc_version", "msvc_toolset_version", "target_arch")))
windows_compiler_env = Environment()
opts.Update(windows_compiler_env)
# Make an educated guess about the right default compiler
if which("g++") and not which("cl.exe"):
config["toolchain"].default = "mingw"
if windows_compiler_env["msvc_version"] or windows_compiler_env["msvc_toolset_version"]:
config["toolchain"].default = "msvc"
opts.AddVariables(*config.to_scons("toolchain"))
opts.Update(windows_compiler_env)
if windows_compiler_env["toolchain"] == "msvc":
toolchain = ["default"]
if windows_compiler_env["msvc_version"]:
extraEnvArgs["MSVC_VERSION"] = windows_compiler_env["msvc_version"]
if windows_compiler_env["msvc_toolset_version"]:
extraEnvArgs["MSVC_TOOLSET_VERSION"] = windows_compiler_env["msvc_toolset_version"]
msvc_version = (windows_compiler_env["msvc_version"] or
windows_compiler_env.get("MSVC_VERSION"))
logger.info(f"Compiling with MSVC version {msvc_version}", print_level=False)
msvc_toolset = (windows_compiler_env["msvc_toolset_version"] or
windows_compiler_env.get("MSVC_TOOLSET_VERSION") or
f"{msvc_version} (default)")
logger.info(f"Compiling with MSVC toolset {msvc_toolset}", print_level=False)
elif windows_compiler_env["toolchain"] == "mingw":
toolchain = ["mingw", "f90"]
extraEnvArgs["F77"] = None
# Next line fixes https://github.com/SCons/scons/issues/2683
extraEnvArgs["WINDOWS_INSERT_DEF"] = 1
elif windows_compiler_env["toolchain"] == "intel":
toolchain = ["intelc"] # note: untested
extraEnvArgs["TARGET_ARCH"] = windows_compiler_env["target_arch"]
logger.info(f"Compiling for architecture: {windows_compiler_env['target_arch']}",
print_level=False)
logger.info(f"Compiling using the following toolchain(s): {repr(toolchain)}",
print_level=False)
else:
config.add(config_options)
toolchain = ["default"]
env = Environment(tools=toolchain+["textfile", "subst", "recursiveInstall", "UnitsInterfaceBuilder", "wix", "gch"],
ENV={"PATH": os.environ["PATH"]},
toolchain=toolchain,
**extraEnvArgs)
env["OS"] = platform.system()
env["OS_BITS"] = int(platform.architecture()[0][:2])
if "cygwin" in env["OS"].lower():
logger.error(f"Error: Operating system {os.name!r} is no longer supported.")
sys.exit(1)
if "FRAMEWORKS" not in env:
env["FRAMEWORKS"] = []
# Needed for Matlab to source ~/.matlab7rc.sh
if "HOME" in os.environ:
env["ENV"]["HOME"] = os.environ["HOME"]
if os.name == "nt":
env["INSTALL_MANPAGES"] = False
# Fixes a linker error in Windows
if "TMP" in os.environ:
env["ENV"]["TMP"] = os.environ["TMP"]
# Fixes issues with Python subprocesses. See http://bugs.python.org/issue13524
env["ENV"]["SystemRoot"] = os.environ["SystemRoot"]
# Fix an issue with Unicode sneaking into the environment on Windows
for key,val in env["ENV"].items():
env["ENV"][key] = str(val)
else:
env["INSTALL_MANPAGES"] = True
add_RegressionTest(env)
opts.AddVariables(*config.to_scons(["AR", "CC", "CXX"], env=env))
opts.Update(env)
# Check if this is actually Apple's clang on macOS
env["using_apple_clang"] = False
if env["OS"] == "Darwin":
result = subprocess.check_output([env.subst("$CC"), "--version"]).decode("utf-8")
if "clang" in result.lower() and ("Xcode" in result or "Apple" in result):
env["using_apple_clang"] = True
config.select("apple-clang")
if "gcc" in env.subst("$CC") or "gnu-cc" in env.subst("$CC"):
config.select("gcc")
elif env["CC"] == "cl": # Visual Studio
config.select("cl")
elif "icc" in env.subst("$CC"):
logger.error("The deprecated Intel compiler suite (icc/icpc) is no longer supported")
elif "icx" in env.subst("$CC"):
config.select("icx")
elif "clang" in env.subst("$CC"):
config.select("clang")
else:
# Assume a GCC compatible compiler if nothing else
logger.warning(f"Unrecognized C compiler {env['CC']!r}")
config.select("gcc")
if env["OS"] == "Windows":
config.select("Windows")
elif env["OS"] == "Darwin":
config.select("macOS")
# SHLIBVERSION fails with MinGW: http://scons.tigris.org/issues/show_bug.cgi?id=3035
if (env["toolchain"] == "mingw"):
config.select("mingw")
config.select("default")
config["python_cmd"].default = sys.executable
opts.AddVariables(*config.to_scons())
opts.Update(env)
opts.Save('cantera.conf', env)
# Expand ~/ and environment variables used in cantera.conf (variables used on
# the command line will be expanded by the shell)
for option in opts.keys():
original = env[option]
if isinstance(original, str):
modified = os.path.expandvars(os.path.expanduser(env[option]))
if original != modified:
logger.info(f"Expanding {original!r} to {modified!r}")
env[option] = modified
if "help" in COMMAND_LINE_TARGETS:
option = GetOption("option")
try:
# print configuration: if option is None, description is shown for all
# options; otherwise description is shown for specified option
logger.status(config.help(option, env=env), print_level=False)
sys.exit(0)
except KeyError as err:
message = "Run 'scons help --list-options' to see available options."
logger.error(f"{err}.\n{message}")
sys.exit(1)
if 'doxygen' in COMMAND_LINE_TARGETS:
env['doxygen_docs'] = True
if 'sphinx' in COMMAND_LINE_TARGETS:
env['sphinx_docs'] = True
if "sdist" in COMMAND_LINE_TARGETS:
env["python_sdist"] = True
if env["python_package"] == "default":
logger.info("'sdist' target was specified. Setting 'python_package' to none.")
env["python_package"] = "none"
elif env["python_package"] in ("full", "y"):
logger.error("'sdist' target was specified. Cannot also build Python package.")
sys.exit(1)
for ext_dependency in ("sundials", "fmt", "yamlcpp", "eigen", "highfive"):
if env[f"system_{ext_dependency}"] == "y":
logger.error(f"'sdist' target was specified. Cannot use 'system_{ext_dependency}'.")
sys.exit(1)
else:
env[f"system_{ext_dependency}"] = "n"
logger.info("'sdist' target was specified. Setting 'use_pch' to False.")
env["use_pch"] = False
for arg in ARGUMENTS:
if arg not in config:
logger.error(f"Encountered unexpected command line option: {arg!r}")
sys.exit(1)
# Store full config for doc build
if env['sphinx_docs']:
config.add(windows_options)
env['config'] = config
env["cantera_version"] = "3.1.0a1"
# For use where pre-release tags are not permitted (MSI, sonames)
env['cantera_pure_version'] = re.match(r'(\d+\.\d+\.\d+)', env['cantera_version']).group(0)
env['cantera_short_version'] = re.match(r'(\d+\.\d+)', env['cantera_version']).group(0)
def get_processor_name():
"""Check processor name"""
# adapted from:
# https://stackoverflow.com/questions/4842448/getting-processor-information-in-python
if platform.system() == "Windows":
return platform.processor().strip()
elif platform.system() == "Darwin":
os.environ['PATH'] = os.environ['PATH'] + os.pathsep + '/usr/sbin'
command ="sysctl -n machdep.cpu.brand_string"
return subprocess.check_output(command, shell=True).decode().strip()
elif platform.system() == "Linux":
command = "cat /proc/cpuinfo"
all_info = subprocess.check_output(command, shell=True).decode().strip()
for line in all_info.split("\n"):
if "model name" in line:
return re.sub(".*model name.*:", "", line, 1).strip()
return ""
env["CPU"] = get_processor_name()
logger.info(f"Compiling on {env['CPU']!r}")
try:
env["git_commit"] = get_command_output("git", "rev-parse", "--short", "HEAD")
logger.info(f"Building Cantera from git commit {env['git_commit']!r}")
except (subprocess.CalledProcessError, FileNotFoundError):
env["git_commit"] = "unknown"
# Print values of all build options:
# the (updated) "cantera.conf" combines all options that were specified by the user
cantera_conf = Path("cantera.conf").read_text()
logger.info("Configuration variables read from 'cantera.conf' and command line:")
logger.info(textwrap.indent(cantera_conf, " "), print_level=False)
# ********************************************
# *** Configure system-specific properties ***
# ********************************************
loglevel = env["logging"]
if loglevel != "default":
logger.logger.setLevel(loglevel.upper())
# Copy in external environment variables
if env['env_vars'] == 'all':
env['ENV'].update(os.environ)
if 'PYTHONHOME' in env['ENV']:
del env['ENV']['PYTHONHOME']
elif env['env_vars']:
for name in env['env_vars'].split(','):
if name in os.environ:
if name == 'PATH':
env.AppendENVPath('PATH', os.environ['PATH'])