mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-12-28 08:21:45 +01:00
516 lines
20 KiB
Python
516 lines
20 KiB
Python
# Added Fortran compiler support to config. Currently useful only for
|
|
# try_compile call. try_run works but is untested for most of Fortran
|
|
# compilers (they must define linker_exe first).
|
|
# Pearu Peterson
|
|
import os
|
|
import signal
|
|
import subprocess
|
|
import sys
|
|
import textwrap
|
|
import warnings
|
|
|
|
from distutils.command.config import config as old_config
|
|
from distutils.command.config import LANG_EXT
|
|
from distutils import log
|
|
from distutils.file_util import copy_file
|
|
from distutils.ccompiler import CompileError, LinkError
|
|
import distutils
|
|
from numpy.distutils.exec_command import filepath_from_subprocess_output
|
|
from numpy.distutils.mingw32ccompiler import generate_manifest
|
|
from numpy.distutils.command.autodist import (check_gcc_function_attribute,
|
|
check_gcc_function_attribute_with_intrinsics,
|
|
check_gcc_variable_attribute,
|
|
check_gcc_version_at_least,
|
|
check_inline,
|
|
check_restrict,
|
|
check_compiler_gcc)
|
|
|
|
LANG_EXT['f77'] = '.f'
|
|
LANG_EXT['f90'] = '.f90'
|
|
|
|
class config(old_config):
|
|
old_config.user_options += [
|
|
('fcompiler=', None, "specify the Fortran compiler type"),
|
|
]
|
|
|
|
def initialize_options(self):
|
|
self.fcompiler = None
|
|
old_config.initialize_options(self)
|
|
|
|
def _check_compiler (self):
|
|
old_config._check_compiler(self)
|
|
from numpy.distutils.fcompiler import FCompiler, new_fcompiler
|
|
|
|
if sys.platform == 'win32' and (self.compiler.compiler_type in
|
|
('msvc', 'intelw', 'intelemw')):
|
|
# XXX: hack to circumvent a python 2.6 bug with msvc9compiler:
|
|
# initialize call query_vcvarsall, which throws an IOError, and
|
|
# causes an error along the way without much information. We try to
|
|
# catch it here, hoping it is early enough, and print an helpful
|
|
# message instead of Error: None.
|
|
if not self.compiler.initialized:
|
|
try:
|
|
self.compiler.initialize()
|
|
except IOError as e:
|
|
msg = textwrap.dedent("""\
|
|
Could not initialize compiler instance: do you have Visual Studio
|
|
installed? If you are trying to build with MinGW, please use "python setup.py
|
|
build -c mingw32" instead. If you have Visual Studio installed, check it is
|
|
correctly installed, and the right version (VS 2008 for python 2.6, 2.7 and 3.2,
|
|
VS 2010 for >= 3.3).
|
|
|
|
Original exception was: %s, and the Compiler class was %s
|
|
============================================================================""") \
|
|
% (e, self.compiler.__class__.__name__)
|
|
print(textwrap.dedent("""\
|
|
============================================================================"""))
|
|
raise distutils.errors.DistutilsPlatformError(msg)
|
|
|
|
# After MSVC is initialized, add an explicit /MANIFEST to linker
|
|
# flags. See issues gh-4245 and gh-4101 for details. Also
|
|
# relevant are issues 4431 and 16296 on the Python bug tracker.
|
|
from distutils import msvc9compiler
|
|
if msvc9compiler.get_build_version() >= 10:
|
|
for ldflags in [self.compiler.ldflags_shared,
|
|
self.compiler.ldflags_shared_debug]:
|
|
if '/MANIFEST' not in ldflags:
|
|
ldflags.append('/MANIFEST')
|
|
|
|
if not isinstance(self.fcompiler, FCompiler):
|
|
self.fcompiler = new_fcompiler(compiler=self.fcompiler,
|
|
dry_run=self.dry_run, force=1,
|
|
c_compiler=self.compiler)
|
|
if self.fcompiler is not None:
|
|
self.fcompiler.customize(self.distribution)
|
|
if self.fcompiler.get_version():
|
|
self.fcompiler.customize_cmd(self)
|
|
self.fcompiler.show_customization()
|
|
|
|
def _wrap_method(self, mth, lang, args):
|
|
from distutils.ccompiler import CompileError
|
|
from distutils.errors import DistutilsExecError
|
|
save_compiler = self.compiler
|
|
if lang in ['f77', 'f90']:
|
|
self.compiler = self.fcompiler
|
|
try:
|
|
ret = mth(*((self,)+args))
|
|
except (DistutilsExecError, CompileError) as e:
|
|
str(e)
|
|
self.compiler = save_compiler
|
|
raise CompileError
|
|
self.compiler = save_compiler
|
|
return ret
|
|
|
|
def _compile (self, body, headers, include_dirs, lang):
|
|
src, obj = self._wrap_method(old_config._compile, lang,
|
|
(body, headers, include_dirs, lang))
|
|
# _compile in unixcompiler.py sometimes creates .d dependency files.
|
|
# Clean them up.
|
|
self.temp_files.append(obj + '.d')
|
|
return src, obj
|
|
|
|
def _link (self, body,
|
|
headers, include_dirs,
|
|
libraries, library_dirs, lang):
|
|
if self.compiler.compiler_type=='msvc':
|
|
libraries = (libraries or [])[:]
|
|
library_dirs = (library_dirs or [])[:]
|
|
if lang in ['f77', 'f90']:
|
|
lang = 'c' # always use system linker when using MSVC compiler
|
|
if self.fcompiler:
|
|
for d in self.fcompiler.library_dirs or []:
|
|
# correct path when compiling in Cygwin but with
|
|
# normal Win Python
|
|
if d.startswith('/usr/lib'):
|
|
try:
|
|
d = subprocess.check_output(['cygpath',
|
|
'-w', d])
|
|
except (OSError, subprocess.CalledProcessError):
|
|
pass
|
|
else:
|
|
d = filepath_from_subprocess_output(d)
|
|
library_dirs.append(d)
|
|
for libname in self.fcompiler.libraries or []:
|
|
if libname not in libraries:
|
|
libraries.append(libname)
|
|
for libname in libraries:
|
|
if libname.startswith('msvc'): continue
|
|
fileexists = False
|
|
for libdir in library_dirs or []:
|
|
libfile = os.path.join(libdir, '%s.lib' % (libname))
|
|
if os.path.isfile(libfile):
|
|
fileexists = True
|
|
break
|
|
if fileexists: continue
|
|
# make g77-compiled static libs available to MSVC
|
|
fileexists = False
|
|
for libdir in library_dirs:
|
|
libfile = os.path.join(libdir, 'lib%s.a' % (libname))
|
|
if os.path.isfile(libfile):
|
|
# copy libname.a file to name.lib so that MSVC linker
|
|
# can find it
|
|
libfile2 = os.path.join(libdir, '%s.lib' % (libname))
|
|
copy_file(libfile, libfile2)
|
|
self.temp_files.append(libfile2)
|
|
fileexists = True
|
|
break
|
|
if fileexists: continue
|
|
log.warn('could not find library %r in directories %s' \
|
|
% (libname, library_dirs))
|
|
elif self.compiler.compiler_type == 'mingw32':
|
|
generate_manifest(self)
|
|
return self._wrap_method(old_config._link, lang,
|
|
(body, headers, include_dirs,
|
|
libraries, library_dirs, lang))
|
|
|
|
def check_header(self, header, include_dirs=None, library_dirs=None, lang='c'):
|
|
self._check_compiler()
|
|
return self.try_compile(
|
|
"/* we need a dummy line to make distutils happy */",
|
|
[header], include_dirs)
|
|
|
|
def check_decl(self, symbol,
|
|
headers=None, include_dirs=None):
|
|
self._check_compiler()
|
|
body = textwrap.dedent("""
|
|
int main(void)
|
|
{
|
|
#ifndef %s
|
|
(void) %s;
|
|
#endif
|
|
;
|
|
return 0;
|
|
}""") % (symbol, symbol)
|
|
|
|
return self.try_compile(body, headers, include_dirs)
|
|
|
|
def check_macro_true(self, symbol,
|
|
headers=None, include_dirs=None):
|
|
self._check_compiler()
|
|
body = textwrap.dedent("""
|
|
int main(void)
|
|
{
|
|
#if %s
|
|
#else
|
|
#error false or undefined macro
|
|
#endif
|
|
;
|
|
return 0;
|
|
}""") % (symbol,)
|
|
|
|
return self.try_compile(body, headers, include_dirs)
|
|
|
|
def check_type(self, type_name, headers=None, include_dirs=None,
|
|
library_dirs=None):
|
|
"""Check type availability. Return True if the type can be compiled,
|
|
False otherwise"""
|
|
self._check_compiler()
|
|
|
|
# First check the type can be compiled
|
|
body = textwrap.dedent(r"""
|
|
int main(void) {
|
|
if ((%(name)s *) 0)
|
|
return 0;
|
|
if (sizeof (%(name)s))
|
|
return 0;
|
|
}
|
|
""") % {'name': type_name}
|
|
|
|
st = False
|
|
try:
|
|
try:
|
|
self._compile(body % {'type': type_name},
|
|
headers, include_dirs, 'c')
|
|
st = True
|
|
except distutils.errors.CompileError:
|
|
st = False
|
|
finally:
|
|
self._clean()
|
|
|
|
return st
|
|
|
|
def check_type_size(self, type_name, headers=None, include_dirs=None, library_dirs=None, expected=None):
|
|
"""Check size of a given type."""
|
|
self._check_compiler()
|
|
|
|
# First check the type can be compiled
|
|
body = textwrap.dedent(r"""
|
|
typedef %(type)s npy_check_sizeof_type;
|
|
int main (void)
|
|
{
|
|
static int test_array [1 - 2 * !(((long) (sizeof (npy_check_sizeof_type))) >= 0)];
|
|
test_array [0] = 0
|
|
|
|
;
|
|
return 0;
|
|
}
|
|
""")
|
|
self._compile(body % {'type': type_name},
|
|
headers, include_dirs, 'c')
|
|
self._clean()
|
|
|
|
if expected:
|
|
body = textwrap.dedent(r"""
|
|
typedef %(type)s npy_check_sizeof_type;
|
|
int main (void)
|
|
{
|
|
static int test_array [1 - 2 * !(((long) (sizeof (npy_check_sizeof_type))) == %(size)s)];
|
|
test_array [0] = 0
|
|
|
|
;
|
|
return 0;
|
|
}
|
|
""")
|
|
for size in expected:
|
|
try:
|
|
self._compile(body % {'type': type_name, 'size': size},
|
|
headers, include_dirs, 'c')
|
|
self._clean()
|
|
return size
|
|
except CompileError:
|
|
pass
|
|
|
|
# this fails to *compile* if size > sizeof(type)
|
|
body = textwrap.dedent(r"""
|
|
typedef %(type)s npy_check_sizeof_type;
|
|
int main (void)
|
|
{
|
|
static int test_array [1 - 2 * !(((long) (sizeof (npy_check_sizeof_type))) <= %(size)s)];
|
|
test_array [0] = 0
|
|
|
|
;
|
|
return 0;
|
|
}
|
|
""")
|
|
|
|
# The principle is simple: we first find low and high bounds of size
|
|
# for the type, where low/high are looked up on a log scale. Then, we
|
|
# do a binary search to find the exact size between low and high
|
|
low = 0
|
|
mid = 0
|
|
while True:
|
|
try:
|
|
self._compile(body % {'type': type_name, 'size': mid},
|
|
headers, include_dirs, 'c')
|
|
self._clean()
|
|
break
|
|
except CompileError:
|
|
#log.info("failure to test for bound %d" % mid)
|
|
low = mid + 1
|
|
mid = 2 * mid + 1
|
|
|
|
high = mid
|
|
# Binary search:
|
|
while low != high:
|
|
mid = (high - low) // 2 + low
|
|
try:
|
|
self._compile(body % {'type': type_name, 'size': mid},
|
|
headers, include_dirs, 'c')
|
|
self._clean()
|
|
high = mid
|
|
except CompileError:
|
|
low = mid + 1
|
|
return low
|
|
|
|
def check_func(self, func,
|
|
headers=None, include_dirs=None,
|
|
libraries=None, library_dirs=None,
|
|
decl=False, call=False, call_args=None):
|
|
# clean up distutils's config a bit: add void to main(), and
|
|
# return a value.
|
|
self._check_compiler()
|
|
body = []
|
|
if decl:
|
|
if type(decl) == str:
|
|
body.append(decl)
|
|
else:
|
|
body.append("int %s (void);" % func)
|
|
# Handle MSVC intrinsics: force MS compiler to make a function call.
|
|
# Useful to test for some functions when built with optimization on, to
|
|
# avoid build error because the intrinsic and our 'fake' test
|
|
# declaration do not match.
|
|
body.append("#ifdef _MSC_VER")
|
|
body.append("#pragma function(%s)" % func)
|
|
body.append("#endif")
|
|
body.append("int main (void) {")
|
|
if call:
|
|
if call_args is None:
|
|
call_args = ''
|
|
body.append(" %s(%s);" % (func, call_args))
|
|
else:
|
|
body.append(" %s;" % func)
|
|
body.append(" return 0;")
|
|
body.append("}")
|
|
body = '\n'.join(body) + "\n"
|
|
|
|
return self.try_link(body, headers, include_dirs,
|
|
libraries, library_dirs)
|
|
|
|
def check_funcs_once(self, funcs,
|
|
headers=None, include_dirs=None,
|
|
libraries=None, library_dirs=None,
|
|
decl=False, call=False, call_args=None):
|
|
"""Check a list of functions at once.
|
|
|
|
This is useful to speed up things, since all the functions in the funcs
|
|
list will be put in one compilation unit.
|
|
|
|
Arguments
|
|
---------
|
|
funcs : seq
|
|
list of functions to test
|
|
include_dirs : seq
|
|
list of header paths
|
|
libraries : seq
|
|
list of libraries to link the code snippet to
|
|
library_dirs : seq
|
|
list of library paths
|
|
decl : dict
|
|
for every (key, value), the declaration in the value will be
|
|
used for function in key. If a function is not in the
|
|
dictionary, no declaration will be used.
|
|
call : dict
|
|
for every item (f, value), if the value is True, a call will be
|
|
done to the function f.
|
|
"""
|
|
self._check_compiler()
|
|
body = []
|
|
if decl:
|
|
for f, v in decl.items():
|
|
if v:
|
|
body.append("int %s (void);" % f)
|
|
|
|
# Handle MS intrinsics. See check_func for more info.
|
|
body.append("#ifdef _MSC_VER")
|
|
for func in funcs:
|
|
body.append("#pragma function(%s)" % func)
|
|
body.append("#endif")
|
|
|
|
body.append("int main (void) {")
|
|
if call:
|
|
for f in funcs:
|
|
if f in call and call[f]:
|
|
if not (call_args and f in call_args and call_args[f]):
|
|
args = ''
|
|
else:
|
|
args = call_args[f]
|
|
body.append(" %s(%s);" % (f, args))
|
|
else:
|
|
body.append(" %s;" % f)
|
|
else:
|
|
for f in funcs:
|
|
body.append(" %s;" % f)
|
|
body.append(" return 0;")
|
|
body.append("}")
|
|
body = '\n'.join(body) + "\n"
|
|
|
|
return self.try_link(body, headers, include_dirs,
|
|
libraries, library_dirs)
|
|
|
|
def check_inline(self):
|
|
"""Return the inline keyword recognized by the compiler, empty string
|
|
otherwise."""
|
|
return check_inline(self)
|
|
|
|
def check_restrict(self):
|
|
"""Return the restrict keyword recognized by the compiler, empty string
|
|
otherwise."""
|
|
return check_restrict(self)
|
|
|
|
def check_compiler_gcc(self):
|
|
"""Return True if the C compiler is gcc"""
|
|
return check_compiler_gcc(self)
|
|
|
|
def check_gcc_function_attribute(self, attribute, name):
|
|
return check_gcc_function_attribute(self, attribute, name)
|
|
|
|
def check_gcc_function_attribute_with_intrinsics(self, attribute, name,
|
|
code, include):
|
|
return check_gcc_function_attribute_with_intrinsics(self, attribute,
|
|
name, code, include)
|
|
|
|
def check_gcc_variable_attribute(self, attribute):
|
|
return check_gcc_variable_attribute(self, attribute)
|
|
|
|
def check_gcc_version_at_least(self, major, minor=0, patchlevel=0):
|
|
"""Return True if the GCC version is greater than or equal to the
|
|
specified version."""
|
|
return check_gcc_version_at_least(self, major, minor, patchlevel)
|
|
|
|
def get_output(self, body, headers=None, include_dirs=None,
|
|
libraries=None, library_dirs=None,
|
|
lang="c", use_tee=None):
|
|
"""Try to compile, link to an executable, and run a program
|
|
built from 'body' and 'headers'. Returns the exit status code
|
|
of the program and its output.
|
|
"""
|
|
# 2008-11-16, RemoveMe
|
|
warnings.warn("\n+++++++++++++++++++++++++++++++++++++++++++++++++\n"
|
|
"Usage of get_output is deprecated: please do not \n"
|
|
"use it anymore, and avoid configuration checks \n"
|
|
"involving running executable on the target machine.\n"
|
|
"+++++++++++++++++++++++++++++++++++++++++++++++++\n",
|
|
DeprecationWarning, stacklevel=2)
|
|
self._check_compiler()
|
|
exitcode, output = 255, ''
|
|
try:
|
|
grabber = GrabStdout()
|
|
try:
|
|
src, obj, exe = self._link(body, headers, include_dirs,
|
|
libraries, library_dirs, lang)
|
|
grabber.restore()
|
|
except Exception:
|
|
output = grabber.data
|
|
grabber.restore()
|
|
raise
|
|
exe = os.path.join('.', exe)
|
|
try:
|
|
# specify cwd arg for consistency with
|
|
# historic usage pattern of exec_command()
|
|
# also, note that exe appears to be a string,
|
|
# which exec_command() handled, but we now
|
|
# use a list for check_output() -- this assumes
|
|
# that exe is always a single command
|
|
output = subprocess.check_output([exe], cwd='.')
|
|
except subprocess.CalledProcessError as exc:
|
|
exitstatus = exc.returncode
|
|
output = ''
|
|
except OSError:
|
|
# preserve the EnvironmentError exit status
|
|
# used historically in exec_command()
|
|
exitstatus = 127
|
|
output = ''
|
|
else:
|
|
output = filepath_from_subprocess_output(output)
|
|
if hasattr(os, 'WEXITSTATUS'):
|
|
exitcode = os.WEXITSTATUS(exitstatus)
|
|
if os.WIFSIGNALED(exitstatus):
|
|
sig = os.WTERMSIG(exitstatus)
|
|
log.error('subprocess exited with signal %d' % (sig,))
|
|
if sig == signal.SIGINT:
|
|
# control-C
|
|
raise KeyboardInterrupt
|
|
else:
|
|
exitcode = exitstatus
|
|
log.info("success!")
|
|
except (CompileError, LinkError):
|
|
log.info("failure.")
|
|
self._clean()
|
|
return exitcode, output
|
|
|
|
class GrabStdout:
|
|
|
|
def __init__(self):
|
|
self.sys_stdout = sys.stdout
|
|
self.data = ''
|
|
sys.stdout = self
|
|
|
|
def write (self, data):
|
|
self.sys_stdout.write(data)
|
|
self.data += data
|
|
|
|
def flush (self):
|
|
self.sys_stdout.flush()
|
|
|
|
def restore(self):
|
|
sys.stdout = self.sys_stdout
|