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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 <command> dump' - Dump the state of the SCons environment to the
screen instead of doing <command>, for example
'scons build dump'. For debugging purposes.
'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 help 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'
"""
# 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)
# 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 3.6 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 textwrap
from os.path import join as pjoin
from pkg_resources import parse_version
import SCons
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 parse_version(SCons.__version__) < parse_version("3.0.0"):
logger.error("Cantera requires SCons with a minimum version of 3.0.0. Exiting.")
sys.exit(1)
if os.name not in ["nt", "posix"]:
logger.error(f"Error: Unrecognized operating system '{os.name}'")
sys.exit(1)
valid_commands = ("build", "clean", "install", "uninstall",
"help", "msi", "samples", "sphinx", "doxygen", "dump",
"sdist")
for command in COMMAND_LINE_TARGETS:
if command not in valid_commands and not command.startswith('test'):
logger.error("Unrecognized command line target: {!r}", command)
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/pch/system.h.gch")
remove_directory("include/cantera/ext")
remove_file("interfaces/cython/cantera/_cantera.cpp")
remove_file("interfaces/cython/cantera/_cantera.h")
remove_file("interfaces/cython/setup.cfg")
remove_file("interfaces/cython/LICENSE.txt")
remove_file("interfaces/cython/README.rst")
remove_file("interfaces/python_minimal/setup.cfg")
remove_file("interfaces/python_minimal/LICENSE.txt")
remove_file("interfaces/python_minimal/README.rst")
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")
remove_directory("interfaces/cython/Cantera.egg-info")
remove_directory("interfaces/python_minimal/Cantera_minimal.egg-info")
for name in Path("interfaces/cython/cantera/data/").iterdir():
if name.is_dir():
remove_directory(name)
elif name.name != "__init__.py":
remove_file(name)
remove_directory("interfaces/cython/cantera/test/data/test_subdir")
for name in Path("interfaces/cython/cantera/test/data/").iterdir():
if name.name != "__init__.py":
remove_file(name)
for name in Path(".").glob("*.msi"):
remove_file(name)
for name in Path("site_scons").glob("**/*.pyc"):
remove_file(name)
for name in Path("interfaces/python_minimal/cantera").iterdir():
if name.name != "__init__.py":
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)
print("Done removing output files.")
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")
logger.info("SCons is using the following Python interpreter: {}", sys.executable)
# ******************************************
# *** Specify defaults for SCons options ***
# ******************************************
windows_options = [
Option(
"msvc_version",
"""Version of Visual Studio to use. The default is the newest
installed version. Specify '12.0' for Visual Studio 2013, '14.0' for
Visual Studio 2015, '14.1' ('14.1x') Visual Studio 2017, or '14.2'
('14.2x') for Visual Studio 2019. 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(
"CXX",
"The C++ compiler to use.",
"${CXX}"),
Option(
"cxx_flags",
"""Compiler flags passed to the C++ compiler only. Separate multiple
options with spaces, for example, "cxx_flags='-g -Wextra -O3 --std=c++11'"
""",
{
"cl": "/EHsc",
"Cygwin": "-std=gnu++11", # See http://stackoverflow.com/questions/18784112
"default": "-std=c++11"
}),
Option(
"CC",
"The C compiler to use. This is only used to compile CVODE.",
"${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",
"""Set this to the directory where Cantera should be installed. On Windows
systems, '$ProgramFiles' typically refers to "C:\Program Files".""",
{"Windows": "$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.""",
"${PYTHON_CMD}",
PathVariable.PathAccept),
PathOption(
"python_prefix",
"""Use this option if you want to install the Cantera Python package to
an alternate location. On Unix-like systems, the default is the same
as the 'prefix' option. If the 'python_prefix' option is set to
the empty string or the 'prefix' option is not set, then the package
will be installed to the system default 'site-packages' directory.
To install to the current user's 'site-packages' directory, use
'python_prefix=USER'.""",
{"Windows": "", "default": "$prefix"},
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(
"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),
Option(
"blas_lapack_libs",
"""Cantera can use BLAS and LAPACK libraries available on your system if
you have optimized versions available (for example, Intel MKL). Otherwise,
Cantera will use Eigen for linear algebra support. To use 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". Eigen is required
whether or not BLAS/LAPACK are used.""",
""),
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),
EnumOption(
"lapack_names",
"""Set depending on whether the procedure names in the specified
libraries are lowercase or uppercase. If you don't know, run 'nm' on
the library file (for example, "nm libblas.a").""",
"lower", ("lower", "upper")),
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,PYTHONPATH"),
BoolOption(
"use_pch",
"Use a precompiled-header to speed up compilation",
{"icc": False, "default": 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",
"icc": "-O3 -fp-model precise",
"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)""",
""),
Option(
"extra_lib_dirs",
"""Additional directories to search for libraries, with multiple
directories separated by colons (*nix, macOS) or semicolons (Windows)""",
""),
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),
BoolOption(
"VERBOSE",
"Create verbose output about what SCons is doing.",
False),
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, "default": True}),
BoolOption(
"use_rpath_linkage",
"""If enabled, link to all shared libraries using 'rpath', i.e., 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",
"icc": "-qopenmp",
"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'. 'debian' installs to the stage
directory in a layout used for generating Debian packages.""",
{"Windows": "compact", "default": "standard"},
("standard", "compact", "debian")),
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),
BoolOption(
"legacy_rate_constants",
"""If enabled, rate constant calculations include third-body concentrations
for three-body reactions, which corresponds to the legacy implementation.
For Cantera 2.6, the option remains enabled (no change compared to past
behavior). After Cantera 2.6, the default will be to disable this option,
and rate constant calculations will be consistent with conventional
definitions (see Eq. 9.75 in Kee, Coltrin and Glarborg, 'Chemically Reacting
Flow', Wiley Interscience, 2003).""",
True),
]
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.info(__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.info("\nConfiguration options for building Cantera:", print_level=False)
logger.info(config.list_options(), 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.info(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.info(f"Done writing output options to '{output_file}'.",
print_level=False)
else:
logger.info(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 = pjoin(os.environ["ProgramFiles"], "Cantera")
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", "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"]:
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"]
msvc_version = (windows_compiler_env["msvc_version"] or
windows_compiler_env["MSVC_VERSION"])
logger.info(f"Compiling with MSVC {msvc_version}", 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", "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():
env["OS"] = "Cygwin" # remove Windows version suffix
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(["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"):
if env["OS"] == "Cygwin":
config.select("Cygwin")
config.select("gcc")
elif env["CC"] == "cl": # Visual Studio
config.select("cl")
elif "icc" in env.subst("$CC"):
config.select("icc")
elif "icx" in env.subst("$CC"):
config.select("icx")
elif "clang" in env.subst("$CC"):
config.select("clang")
else:
print(f"WARNING: Unrecognized C compiler '{env['CC']}'")
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:
print('INFO: Expanding {!r} to {!r}'.format(original, modified))
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.info(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
for arg in ARGUMENTS:
if arg not in config:
logger.error(f"Encountered unexpected command line option: '{arg}'")
sys.exit(1)
env["cantera_version"] = "2.6.0a4"
# 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)
try:
env["git_commit"] = get_command_output("git", "rev-parse", "--short", "HEAD")
logger.info(f"Building Cantera from git commit '{env['git_commit']}'")
except subprocess.CalledProcessError:
env["git_commit"] = "unknown"
# Print values of all build options:
print("Configuration variables read from 'cantera.conf' and command line:")
for line in open('cantera.conf'):
print(' ', line.strip())
print()
# ********************************************
# *** Configure system-specific properties ***
# ********************************************
# 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'])
else:
env['ENV'][name] = os.environ[name]
if env['VERBOSE']:
print('Propagating environment variable {0}={1}'.format(name, env['ENV'][name]))
elif name not in config["env_vars"].default.split(','):
print('WARNING: failed to propagate environment variable', repr(name))
print(' Edit cantera.conf or the build command line to fix this.')
# @todo: Remove this Warning after Cantera 2.5
if os.pathsep == ';':
for dirs in (env['extra_inc_dirs'], env['extra_lib_dirs']):
if re.search(r':\w:', dirs):
print('ERROR: Multiple entries in "extra_inc_dirs" and "extra_lib_dirs" '
'should be separated by semicolons (;) on Windows. Use of OS-specific '
'path separator introduced in Cantera 2.5.')
sys.exit(1)
env['extra_inc_dirs'] = [d for d in env['extra_inc_dirs'].split(os.pathsep) if d]
env['extra_lib_dirs'] = [d for d in env['extra_lib_dirs'].split(os.pathsep) if d]
env.Append(CPPPATH=env['extra_inc_dirs'],
LIBPATH=env['extra_lib_dirs'])
if env['use_rpath_linkage']:
env.Append(RPATH=env['extra_lib_dirs'])
if env['CC'] == 'cl':
# embed manifest file
env['LINKCOM'] = [env['LINKCOM'],
'if exist ${TARGET}.manifest mt.exe -nologo -manifest ${TARGET}.manifest -outputresource:$TARGET;1']
env['SHLINKCOM'] = [env['SHLINKCOM'],
'if exist ${TARGET}.manifest mt.exe -nologo -manifest ${TARGET}.manifest -outputresource:$TARGET;2']
env['FORTRAN_LINK'] = 'link'
else:
env['FORTRAN_LINK'] = '$FORTRAN'
if env['boost_inc_dir']:
env.Append(CPPPATH=env['boost_inc_dir'])
if env['blas_lapack_dir']:
env.Append(LIBPATH=[env['blas_lapack_dir']])
if env['use_rpath_linkage']:
env.Append(RPATH=env['blas_lapack_dir'])
if env['system_sundials'] in ('y','default'):
if env['sundials_include']:
env.Append(CPPPATH=[env['sundials_include']])
env['system_sundials'] = 'y'
if env['sundials_libdir']:
env.Append(LIBPATH=[env['sundials_libdir']])
env['system_sundials'] = 'y'
if env['use_rpath_linkage']:
env.Append(RPATH=env['sundials_libdir'])
# BLAS / LAPACK configuration
if env['blas_lapack_libs'] != '':
env['blas_lapack_libs'] = env['blas_lapack_libs'].split(',')
env['use_lapack'] = True
elif env['OS'] == 'Darwin':
env['blas_lapack_libs'] = []
env['use_lapack'] = True
env.Append(FRAMEWORKS=['Accelerate'])
else:
env['blas_lapack_libs'] = []
env['use_lapack'] = False
# ************************************
# *** Compiler Configuration Tests ***
# ************************************
def CheckStatement(context, function, includes=""):
context.Message('Checking for %s... ' % function)
src = """
%(include)s
int main(int argc, char** argv) {
%(func)s;
return 0;
}
""" % {'func':function, 'include':includes}
result = context.TryCompile(src, '.cpp')
context.Result(result)
return result
# Set up compiler options before running configuration tests
env['CXXFLAGS'] = listify(env['cxx_flags'])
env['CCFLAGS'] = listify(env['cc_flags']) + listify(env['thread_flags'])
env['LINKFLAGS'] += listify(env['thread_flags'])
env['CPPDEFINES'] = {}
env['warning_flags'] = listify(env['warning_flags'])
env["pch_flags"] = listify(env["pch_flags"])
env["openmp_flag"] = listify(env["openmp_flag"])
if env['optimize']:
env['CCFLAGS'] += listify(env['optimize_flags'])
env.Append(CPPDEFINES=['NDEBUG'])
else:
env['CCFLAGS'] += listify(env['no_optimize_flags'])
if env['debug']:
env['CCFLAGS'] += listify(env['debug_flags'])
env['LINKFLAGS'] += listify(env['debug_linker_flags'])
else:
env['CCFLAGS'] += listify(env['no_debug_flags'])
env['LINKFLAGS'] += listify(env['no_debug_linker_flags'])
if env['coverage']:
if 'gcc' in env.subst('$CC') or 'clang' in env.subst('$CC'):
env.Append(CCFLAGS=['-fprofile-arcs', '-ftest-coverage'])
env.Append(LINKFLAGS=['-fprofile-arcs', '-ftest-coverage'])
else:
print('Error: coverage testing is only available with GCC.')
exit(0)
if env['toolchain'] == 'mingw':
env.Append(LINKFLAGS=['-static-libgcc', '-static-libstdc++'])
def config_error(message):
print('ERROR:', message)