def check_python_version(conf, minver=None):
assert minver is None or isinstance(minver, tuple)
pybin = conf.env["PYTHON"]
if not pybin:
conf.fatal("could not find the python executable")
cmd = pybin + ["-c", "import sys\nfor x in sys.version_info: print(str(x))"]
debug("python: Running python command %r" % cmd)
lines = conf.cmd_and_log(cmd).split()
assert len(lines) == 5, "found %i lines, expected 5: %r" % (len(lines), lines)
pyver_tuple = (int(lines[0]), int(lines[1]), int(lines[2]), lines[3], int(lines[4]))
result = (minver is None) or (pyver_tuple >= minver)
if result:
pyver = ".".join([str(x) for x in pyver_tuple[:2]])
conf.env["PYTHON_VERSION"] = pyver
if "PYTHONDIR" in conf.environ:
pydir = conf.environ["PYTHONDIR"]
else:
if Utils.is_win32:
(python_LIBDEST, pydir) = conf.get_python_variables(
[
"get_config_var('LIBDEST') or ''",
"get_python_lib(standard_lib=0, prefix=%r) or ''" % conf.env["PREFIX"],
],
["from distutils.sysconfig import get_config_var, get_python_lib"],
)
else:
python_LIBDEST = None
(pydir,) = conf.get_python_variables(
["get_python_lib(standard_lib=0, prefix=%r) or ''" % conf.env["PREFIX"]],
["from distutils.sysconfig import get_python_lib"],
)
if python_LIBDEST is None:
if conf.env["LIBDIR"]:
python_LIBDEST = os.path.join(conf.env["LIBDIR"], "python" + pyver)
else:
python_LIBDEST = os.path.join(conf.env["PREFIX"], "lib", "python" + pyver)
if "PYTHONARCHDIR" in conf.environ:
pyarchdir = conf.environ["PYTHONARCHDIR"]
else:
(pyarchdir,) = conf.get_python_variables(
["get_python_lib(plat_specific=1, standard_lib=0, prefix=%r) or ''" % conf.env["PREFIX"]],
["from distutils.sysconfig import get_python_lib"],
)
if not pyarchdir:
pyarchdir = pydir
if hasattr(conf, "define"):
conf.define("PYTHONDIR", pydir)
conf.define("PYTHONARCHDIR", pyarchdir)
conf.env["PYTHONDIR"] = pydir
conf.env["PYTHONARCHDIR"] = pyarchdir
pyver_full = ".".join(map(str, pyver_tuple[:3]))
if minver is None:
conf.msg("Checking for python version", pyver_full)
else:
minver_str = ".".join(map(str, minver))
conf.msg("Checking for python version", pyver_tuple, ">= %s" % (minver_str,) and "GREEN" or "YELLOW")
if not result:
conf.fatal("The python version is too old, expecting %r" % (minver,))
def check_python_version(conf,minver=None):
assert minver is None or isinstance(minver,tuple)
pybin=conf.env.PYTHON
if not pybin:
conf.fatal('could not find the python executable')
cmd=pybin+['-c','import sys\nfor x in sys.version_info: print(str(x))']
Logs.debug('python: Running python command %r',cmd)
lines=conf.cmd_and_log(cmd).split()
assert len(lines)==5,"found %r lines, expected 5: %r"%(len(lines),lines)
pyver_tuple=(int(lines[0]),int(lines[1]),int(lines[2]),lines[3],int(lines[4]))
result=(minver is None)or(pyver_tuple>=minver)
if result:
pyver='.'.join([str(x)for x in pyver_tuple[:2]])
conf.env.PYTHON_VERSION=pyver
if'PYTHONDIR'in conf.env:
pydir=conf.env.PYTHONDIR
elif'PYTHONDIR'in conf.environ:
pydir=conf.environ['PYTHONDIR']
else:
if Utils.is_win32:
(python_LIBDEST,pydir)=conf.get_python_variables(["get_config_var('LIBDEST') or ''","get_python_lib(standard_lib=0) or ''"])
else:
python_LIBDEST=None
(pydir,)=conf.get_python_variables(["get_python_lib(standard_lib=0, prefix=%r) or ''"%conf.env.PREFIX])
if python_LIBDEST is None:
if conf.env.LIBDIR:
python_LIBDEST=os.path.join(conf.env.LIBDIR,'python'+pyver)
else:
python_LIBDEST=os.path.join(conf.env.PREFIX,'lib','python'+pyver)
if'PYTHONARCHDIR'in conf.env:
pyarchdir=conf.env.PYTHONARCHDIR
elif'PYTHONARCHDIR'in conf.environ:
pyarchdir=conf.environ['PYTHONARCHDIR']
else:
(pyarchdir,)=conf.get_python_variables(["get_python_lib(plat_specific=1, standard_lib=0, prefix=%r) or ''"%conf.env.PREFIX])
if not pyarchdir:
pyarchdir=pydir
if hasattr(conf,'define'):
conf.define('PYTHONDIR',pydir)
conf.define('PYTHONARCHDIR',pyarchdir)
conf.env.PYTHONDIR=pydir
conf.env.PYTHONARCHDIR=pyarchdir
pyver_full='.'.join(map(str,pyver_tuple[:3]))
if minver is None:
conf.msg('Checking for python version',pyver_full)
else:
minver_str='.'.join(map(str,minver))
conf.msg('Checking for python version >= %s'%(minver_str,),pyver_full,color=result and'GREEN'or'YELLOW')
if not result:
conf.fatal('The python version is too old, expecting %r'%(minver,))
def check_python_version(conf,minver=None):
assert minver is None or isinstance(minver,tuple)
pybin=conf.env['PYTHON']
if not pybin:
conf.fatal('could not find the python executable')
cmd=pybin+['-c','import sys\nfor x in sys.version_info: print(str(x))']
Logs.debug('python: Running python command %r'%cmd)
lines=conf.cmd_and_log(cmd).split()
assert len(lines)==5,"found %i lines, expected 5: %r"%(len(lines),lines)
pyver_tuple=(int(lines[0]),int(lines[1]),int(lines[2]),lines[3],int(lines[4]))
result=(minver is None)or(pyver_tuple>=minver)
if result:
pyver='.'.join([str(x)for x in pyver_tuple[:2]])
conf.env['PYTHON_VERSION']=pyver
if'PYTHONDIR'in conf.env:
pydir=conf.env['PYTHONDIR']
elif'PYTHONDIR'in conf.environ:
pydir=conf.environ['PYTHONDIR']
else:
if Utils.is_win32:
(python_LIBDEST,pydir)=conf.get_python_variables(["get_config_var('LIBDEST') or ''","get_python_lib(standard_lib=0) or ''"])
else:
python_LIBDEST=None
(pydir,)=conf.get_python_variables(["get_python_lib(standard_lib=0) or ''"])
if python_LIBDEST is None:
if conf.env['LIBDIR']:
python_LIBDEST=os.path.join(conf.env['LIBDIR'],"python"+pyver)
else:
python_LIBDEST=os.path.join(conf.env['PREFIX'],"lib","python"+pyver)
if'PYTHONARCHDIR'in conf.env:
pyarchdir=conf.env['PYTHONARCHDIR']
elif'PYTHONARCHDIR'in conf.environ:
pyarchdir=conf.environ['PYTHONARCHDIR']
else:
(pyarchdir,)=conf.get_python_variables(["get_python_lib(plat_specific=1, standard_lib=0) or ''"])
if not pyarchdir:
pyarchdir=pydir
if hasattr(conf,'define'):
conf.define('PYTHONDIR',pydir)
conf.define('PYTHONARCHDIR',pyarchdir)
conf.env['PYTHONDIR']=pydir
conf.env['PYTHONARCHDIR']=pyarchdir
pyver_full='.'.join(map(str,pyver_tuple[:3]))
if minver is None:
conf.msg('Checking for python version',pyver_full)
else:
minver_str='.'.join(map(str,minver))
conf.msg('Checking for python version',pyver_tuple,">= %s"%(minver_str,)and'GREEN'or'YELLOW')
if not result:
conf.fatal('The python version is too old, expecting %r'%(minver,))
def check_numpy_version(conf, minver, maxver=None):
conf.start_msg("Checking numpy version")
minver = tuple(minver)
if maxver: maxver = tuple(maxver)
(np_ver_str,) = conf.get_python_variables(
['numpy.version.short_version'], ['import numpy'])
np_ver = tuple([int(x) for x in np_ver_str.split('.')])
if np_ver < minver or (maxver and np_ver > maxver):
conf.end_msg(False)
conf.fatal("numpy version %s is not in the "
"range of supported versions: minimum=%s, maximum=%s" % (np_ver_str, minver, maxver))
conf.end_msg(str(np_ver))
def check_python_version(conf,minver=None):
assert minver is None or isinstance(minver,tuple)
python=conf.env['PYTHON']
if not python:
conf.fatal('could not find the python executable')
cmd=[python,'-c','import sys\nfor x in sys.version_info: print(str(x))']
debug('python: Running python command %r'%cmd)
lines=conf.cmd_and_log(cmd).split()
assert len(lines)==5,"found %i lines, expected 5: %r"%(len(lines),lines)
pyver_tuple=(int(lines[0]),int(lines[1]),int(lines[2]),lines[3],int(lines[4]))
result=(minver is None)or(pyver_tuple>=minver)
if result:
pyver='.'.join([str(x)for x in pyver_tuple[:2]])
conf.env['PYTHON_VERSION']=pyver
if'PYTHONDIR'in conf.environ:
pydir=conf.environ['PYTHONDIR']
else:
if sys.platform=='win32':
(python_LIBDEST,pydir)=conf.get_python_variables(python,["get_config_var('LIBDEST')","get_python_lib(standard_lib=0, prefix=%r)"%conf.env['PREFIX']],['from distutils.sysconfig import get_config_var, get_python_lib'])
else:
python_LIBDEST=None
(pydir,)=conf.get_python_variables(python,["get_python_lib(standard_lib=0, prefix=%r)"%conf.env['PREFIX']],['from distutils.sysconfig import get_config_var, get_python_lib'])
if python_LIBDEST is None:
if conf.env['LIBDIR']:
python_LIBDEST=os.path.join(conf.env['LIBDIR'],"python"+pyver)
else:
python_LIBDEST=os.path.join(conf.env['PREFIX'],"lib","python"+pyver)
if hasattr(conf,'define'):
conf.define('PYTHONDIR',pydir)
conf.env['PYTHONDIR']=pydir
pyver_full='.'.join(map(str,pyver_tuple[:3]))
if minver is None:
conf.msg('Checking for python version',pyver_full)
else:
minver_str='.'.join(map(str,minver))
conf.msg('Checking for python version',pyver_tuple,">= %s"%(minver_str,)and'GREEN'or'YELLOW')
if not result:
conf.fatal('The python version is too old, expecting %r'%(minver,))
def check_python_headers(conf):
"""
Check for headers and libraries necessary to extend or embed python by using the module *distutils*.
On success the environment variables xxx_PYEXT and xxx_PYEMBED are added:
* PYEXT: for compiling python extensions
* PYEMBED: for embedding a python interpreter
"""
# FIXME rewrite
if not conf.env['CC_NAME'] and not conf.env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not conf.env['PYTHON_VERSION']:
conf.check_python_version()
env = conf.env
pybin = env.PYTHON
if not pybin:
conf.fatal('could not find the python executable')
v = 'INCLUDEPY SO LDFLAGS MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS'.split()
try:
lst = conf.get_python_variables(
["get_config_var('%s') or ''" % x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%r\n" %
(pybin, '\n'.join(vals)))
dct = dict(list(zip(v, lst)))
x = 'MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
conf.env[x] = conf.environ[x] = dct[x]
env['pyext_PATTERN'] = '%s' + dct['SO'] # not a mistake
if Options.options.use_distutils_flags:
all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEXT')
env['INCLUDES_PYEXT'] = [dct['INCLUDEPY']]
def check_python_headers(conf):
"""
Check for headers and libraries necessary to extend or embed python by using the module *distutils*.
On success the environment variables xxx_PYEXT and xxx_PYEMBED are added:
* PYEXT: for compiling python extensions
* PYEMBED: for embedding a python interpreter
"""
# FIXME rewrite
if not conf.env['CC_NAME'] and not conf.env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not conf.env['PYTHON_VERSION']:
conf.check_python_version()
env = conf.env
pybin = env.PYTHON
if not pybin:
conf.fatal('could not find the python executable')
v = 'INCLUDEPY SO LDFLAGS MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS'.split()
try:
lst = conf.get_python_variables(["get_config_var('%s') or ''" % x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%r\n" % (pybin, '\n'.join(vals)))
dct = dict(zip(v, lst))
x = 'MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
conf.env[x] = conf.environ[x] = dct[x]
env['pyext_PATTERN'] = '%s' + dct['SO'] # not a mistake
if Options.options.use_distutils_flags:
all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEXT')
env['INCLUDES_PYEXT'] = [dct['INCLUDEPY']]
def check_python_headers(conf):
env=conf.env
if not env['CC_NAME']and not env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not env['PYTHON_VERSION']:
conf.check_python_version()
pybin=conf.env.PYTHON
if not pybin:
conf.fatal('Could not find the python executable')
v='prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS LDVERSION'.split()
try:
lst=conf.get_python_variables(["get_config_var('%s') or ''"%x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals=['%s = %r'%(x,y)for(x,y)in zip(v,lst)]
conf.to_log("Configuration returned from %r:\n%r\n"%(pybin,'\n'.join(vals)))
dct=dict(zip(v,lst))
x='MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
conf.env[x]=conf.environ[x]=dct[x]
if not env.pyext_PATTERN:
if dct['SO']:
env.pyext_PATTERN='%s'+dct['SO']
else:
env.pyext_PATTERN=(conf.env.cshlib_PATTERN or conf.env.cxxshlib_PATTERN).lstrip('lib')
num='.'.join(env['PYTHON_VERSION'].split('.')[:2])
conf.find_program([''.join(pybin)+'-config','python%s-config'%num,'python-config-%s'%num,'python%sm-config'%num],var='PYTHON_CONFIG',msg="python-config")
all_flags=[['--cflags','--libs','--ldflags']]
if sys.hexversion<0x2060000:
all_flags=[[x]for x in all_flags[0]]
xx=conf.env.CXX_NAME and'cxx'or'c'
for flags in all_flags:
conf.check_cfg(msg='Asking python-config for pyembed %r flags'%' '.join(flags),path=conf.env.PYTHON_CONFIG,package='',uselib_store='PYEMBED',args=flags)
conf.check(header_name='Python.h',define_name='HAVE_PYEMBED',msg='Getting pyembed flags from python-config',fragment=FRAG,errmsg='Could not build a python embedded interpreter',features='%s %sprogram pyembed'%(xx,xx))
for flags in all_flags:
conf.check_cfg(msg='Asking python-config for pyext %r flags'%' '.join(flags),path=conf.env.PYTHON_CONFIG,package='',uselib_store='PYEXT',args=flags)
conf.check(header_name='Python.h',define_name='HAVE_PYEXT',msg='Getting pyext flags from python-config',features='%s %sshlib pyext'%(xx,xx),fragment=FRAG,errmsg='Could not build python extensions')
conf.define('HAVE_PYTHON_H',1)
def check_python_headers(conf):
env=conf.env
if not env['CC_NAME']and not env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not env['PYTHON_VERSION']:
conf.check_python_version()
pybin=env.PYTHON
if not pybin:
conf.fatal('Could not find the python executable')
v='prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS LDVERSION'.split()
try:
lst=conf.get_python_variables(["get_config_var('%s') or ''"%x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals=['%s = %r'%(x,y)for(x,y)in zip(v,lst)]
conf.to_log("Configuration returned from %r:\n%r\n"%(pybin,'\n'.join(vals)))
dct=dict(zip(v,lst))
x='MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
env[x]=conf.environ[x]=dct[x]
env['pyext_PATTERN']='%s'+dct['SO']
num='.'.join(env['PYTHON_VERSION'].split('.')[:2])
conf.find_program([''.join(pybin)+'-config','python%s-config'%num,'python-config-%s'%num,'python%sm-config'%num],var='PYTHON_CONFIG',msg="python-config",mandatory=False)
if env.PYTHON_CONFIG:
all_flags=[['--cflags','--libs','--ldflags']]
if sys.hexversion<0x2060000:
all_flags=[[k]for k in all_flags[0]]
xx=env.CXX_NAME and'cxx'or'c'
for flags in all_flags:
conf.check_cfg(msg='Asking python-config for pyembed %r flags'%' '.join(flags),path=env.PYTHON_CONFIG,package='',uselib_store='PYEMBED',args=flags)
conf.check(header_name='Python.h',define_name='HAVE_PYEMBED',msg='Getting pyembed flags from python-config',fragment=FRAG,errmsg='Could not build a python embedded interpreter',features='%s %sprogram pyembed'%(xx,xx))
for flags in all_flags:
conf.check_cfg(msg='Asking python-config for pyext %r flags'%' '.join(flags),path=env.PYTHON_CONFIG,package='',uselib_store='PYEXT',args=flags)
conf.check(header_name='Python.h',define_name='HAVE_PYEXT',msg='Getting pyext flags from python-config',features='%s %sshlib pyext'%(xx,xx),fragment=FRAG,errmsg='Could not build python extensions')
conf.define('HAVE_PYTHON_H',1)
return
all_flags=dct['LDFLAGS']+' '+dct['CFLAGS']
conf.parse_flags(all_flags,'PYEMBED')
all_flags=dct['LDFLAGS']+' '+dct['LDSHARED']+' '+dct['CFLAGS']
conf.parse_flags(all_flags,'PYEXT')
result=None
if not dct["LDVERSION"]:
dct["LDVERSION"]=env['PYTHON_VERSION']
for name in('python'+dct['LDVERSION'],'python'+env['PYTHON_VERSION']+'m','python'+env['PYTHON_VERSION'].replace('.','')):
if not result and env['LIBPATH_PYEMBED']:
path=env['LIBPATH_PYEMBED']
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n"%path)
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False,msg='Checking for library %s in LIBPATH_PYEMBED'%name)
if not result and dct['LIBDIR']:
path=[dct['LIBDIR']]
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n"%path)
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False,msg='Checking for library %s in LIBDIR'%name)
if not result and dct['LIBPL']:
path=[dct['LIBPL']]
conf.to_log("\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n")
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False,msg='Checking for library %s in python_LIBPL'%name)
if not result:
path=[os.path.join(dct['prefix'],"libs")]
conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False,msg='Checking for library %s in $prefix/libs'%name)
if result:
break
if result:
env['LIBPATH_PYEMBED']=path
env.append_value('LIB_PYEMBED',[name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
if Utils.is_win32 or dct['Py_ENABLE_SHARED']:
env['LIBPATH_PYEXT']=env['LIBPATH_PYEMBED']
env['LIB_PYEXT']=env['LIB_PYEMBED']
conf.to_log("Include path for Python extensions (found via distutils module): %r\n"%(dct['INCLUDEPY'],))
env['INCLUDES_PYEXT']=[dct['INCLUDEPY']]
env['INCLUDES_PYEMBED']=[dct['INCLUDEPY']]
if env['CC_NAME']=='gcc':
env.append_value('CFLAGS_PYEMBED',['-fno-strict-aliasing'])
env.append_value('CFLAGS_PYEXT',['-fno-strict-aliasing'])
if env['CXX_NAME']=='gcc':
env.append_value('CXXFLAGS_PYEMBED',['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT',['-fno-strict-aliasing'])
if env.CC_NAME=="msvc":
from distutils.msvccompiler import MSVCCompiler
dist_compiler=MSVCCompiler()
dist_compiler.initialize()
env.append_value('CFLAGS_PYEXT',dist_compiler.compile_options)
env.append_value('CXXFLAGS_PYEXT',dist_compiler.compile_options)
env.append_value('LINKFLAGS_PYEXT',dist_compiler.ldflags_shared)
conf.check(header_name='Python.h',define_name='HAVE_PYTHON_H',uselib='PYEMBED',fragment=FRAG,errmsg='Distutils not installed? Broken python installation? Get python-config now!')
def check_python_headers(conf):
if not conf.env['CC_NAME']and not conf.env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not conf.env['PYTHON_VERSION']:
conf.check_python_version()
env=conf.env
pybin=conf.env.PYTHON
if not pybin:
conf.fatal('could not find the python executable')
v='prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS'.split()
try:
lst=conf.get_python_variables(["get_config_var('%s')"%x for x in v],['from distutils.sysconfig import get_config_var'])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals=['%s = %r'%(x,y)for(x,y)in zip(v,lst)]
conf.to_log("Configuration returned from %r:\n%r\n"%(pybin,'\n'.join(vals)))
dct=dict(zip(v,lst))
x='MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
conf.env[x]=conf.environ[x]=dct[x]
env['pyext_PATTERN']='%s'+dct['SO']
all_flags=dct['LDFLAGS']+' '+dct['LDSHARED']+' '+dct['CFLAGS']
conf.parse_flags(all_flags,'PYEMBED')
conf.parse_flags(all_flags,'PYEXT')
result=None
name='python'+env['PYTHON_VERSION']
path=env['LIBPATH_PYEMBED']
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n"%path)
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False)
if not result:
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n"%path)
path=[dct['LIBDIR']or'']
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False)
if not result:
conf.to_log("\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n")
path=[dct['LIBPL']or'']
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False)
if not result:
conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
path=[os.path.join(dct['prefix'],"libs")]
name='python'+env['PYTHON_VERSION'].replace('.','')
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False)
if result:
env['LIBPATH_PYEMBED']=path
env.append_value('LIB_PYEMBED',[name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
if(sys.platform=='win32'or sys.platform.startswith('os2')or sys.platform=='darwin'or dct['Py_ENABLE_SHARED']):
env['LIBPATH_PYEXT']=env['LIBPATH_PYEMBED']
env['LIB_PYEXT']=env['LIB_PYEMBED']
num='.'.join(env['PYTHON_VERSION'].split('.')[:2])
try:
conf.find_program('python%s-config'%num,var='PYTHON_CONFIG')
except conf.errors.ConfigurationError:
conf.find_program('python-config-%s'%num,var='PYTHON_CONFIG',mandatory=False)
includes=[]
if conf.env.PYTHON_CONFIG:
for incstr in conf.cmd_and_log(conf.env.PYTHON_CONFIG + ' --includes').strip().split():
if(incstr.startswith('-I')or incstr.startswith('/I')):
incstr=incstr[2:]
if incstr not in includes:
includes.append(incstr)
conf.to_log("Include path for Python extensions ""(found via python-config --includes): %r\n"%(includes,))
env['INCLUDES_PYEXT']=includes
env['INCLUDES_PYEMBED']=includes
else:
conf.to_log("Include path for Python extensions ""(found via distutils module): %r\n"%(dct['INCLUDEPY'],))
env['INCLUDES_PYEXT']=[dct['INCLUDEPY']]
env['INCLUDES_PYEMBED']=[dct['INCLUDEPY']]
if env['CC_NAME']=='gcc':
env.append_value('CFLAGS_PYEMBED',['-fno-strict-aliasing'])
env.append_value('CFLAGS_PYEXT',['-fno-strict-aliasing'])
if env['CXX_NAME']=='gcc':
env.append_value('CXXFLAGS_PYEMBED',['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT',['-fno-strict-aliasing'])
def check_python_headers(conf):
if not conf.env['CC_NAME'] and not conf.env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not conf.env['PYTHON_VERSION']:
conf.check_python_version()
env = conf.env
pybin = conf.env.PYTHON
if not pybin:
conf.fatal('could not find the python executable')
v = 'prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS'.split(
)
try:
lst = conf.get_python_variables(
["get_config_var('%s')" % x for x in v],
['from distutils.sysconfig import get_config_var'])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%r\n" %
(pybin, '\n'.join(vals)))
dct = dict(zip(v, lst))
x = 'MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
conf.env[x] = conf.environ[x] = dct[x]
env['pyext_PATTERN'] = '%s' + dct['SO']
all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEMBED')
conf.parse_flags(all_flags, 'PYEXT')
result = None
name = 'python' + env['PYTHON_VERSION']
path = env['LIBPATH_PYEMBED']
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False)
if not result:
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
path = [dct['LIBDIR'] or '']
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False)
if not result:
conf.to_log(
"\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n"
)
path = [dct['LIBPL'] or '']
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False)
if not result:
conf.to_log(
"\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n"
)
path = [os.path.join(dct['prefix'], "libs")]
name = 'python' + env['PYTHON_VERSION'].replace('.', '')
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False)
if result:
env['LIBPATH_PYEMBED'] = path
env.append_value('LIB_PYEMBED', [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
if (sys.platform == 'win32' or sys.platform.startswith('os2')
or sys.platform == 'darwin' or dct['Py_ENABLE_SHARED']):
env['LIBPATH_PYEXT'] = env['LIBPATH_PYEMBED']
env['LIB_PYEXT'] = env['LIB_PYEMBED']
num = '.'.join(env['PYTHON_VERSION'].split('.')[:2])
try:
conf.find_program('python%s-config' % num, var='PYTHON_CONFIG')
except conf.errors.ConfigurationError:
conf.find_program('python-config-%s' % num,
var='PYTHON_CONFIG',
mandatory=False)
includes = []
if conf.env.PYTHON_CONFIG:
for incstr in conf.cmd_and_log(
conf.env.PYTHON +
[conf.env.PYTHON_CONFIG, '--includes']).strip().split():
if (incstr.startswith('-I') or incstr.startswith('/I')):
incstr = incstr[2:]
if incstr not in includes:
includes.append(incstr)
conf.to_log("Include path for Python extensions "
"(found via python-config --includes): %r\n" %
(includes, ))
env['INCLUDES_PYEXT'] = includes
env['INCLUDES_PYEMBED'] = includes
else:
conf.to_log("Include path for Python extensions "
"(found via distutils module): %r\n" %
(dct['INCLUDEPY'], ))
env['INCLUDES_PYEXT'] = [dct['INCLUDEPY']]
env['INCLUDES_PYEMBED'] = [dct['INCLUDEPY']]
if env['CC_NAME'] == 'gcc':
env.append_value('CFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env['CXX_NAME'] == 'gcc':
env.append_value('CXXFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT', ['-fno-strict-aliasing'])
conf.check(header_name='Python.h',
define_name='HAVE_PYTHON_H',
uselib='PYEMBED',
fragment=FRAG,
errmsg='Could not find the python development headers')
def check_python_headers(conf, features='pyembed pyext'):
"""
Check for headers and libraries necessary to extend or embed python by using the module *distutils*.
On success the environment variables xxx_PYEXT and xxx_PYEMBED are added:
* PYEXT: for compiling python extensions
* PYEMBED: for embedding a python interpreter
"""
features = Utils.to_list(features)
assert ('pyembed' in features) or ('pyext' in features), "check_python_headers features must include 'pyembed' and/or 'pyext'"
env = conf.env
if not env.CC_NAME and not env.CXX_NAME:
conf.fatal('load a compiler first (gcc, g++, ..)')
# bypass all the code below for cross-compilation
if conf.python_cross_compile(features):
return
if not env.PYTHON_VERSION:
conf.check_python_version()
pybin = env.PYTHON
if not pybin:
conf.fatal('Could not find the python executable')
# so we actually do all this for compatibility reasons and for obtaining pyext_PATTERN below
v = 'prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS LDVERSION'.split()
try:
lst = conf.get_python_variables(["get_config_var('%s') or ''" % x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%s\n" % (pybin, '\n'.join(vals)))
dct = dict(zip(v, lst))
x = 'MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
env[x] = conf.environ[x] = dct[x]
env.pyext_PATTERN = '%s' + dct['SO'] # not a mistake
# Try to get pythonX.Y-config
num = '.'.join(env.PYTHON_VERSION.split('.')[:2])
conf.find_program([''.join(pybin) + '-config', 'python%s-config' % num, 'python-config-%s' % num, 'python%sm-config' % num], var='PYTHON_CONFIG', msg="python-config", mandatory=False)
if env.PYTHON_CONFIG:
# python2.6-config requires 3 runs
all_flags = [['--cflags', '--libs', '--ldflags']]
if sys.hexversion < 0x2070000:
all_flags = [[k] for k in all_flags[0]]
xx = env.CXX_NAME and 'cxx' or 'c'
if 'pyembed' in features:
for flags in all_flags:
conf.check_cfg(msg='Asking python-config for pyembed %r flags' % ' '.join(flags), path=env.PYTHON_CONFIG, package='', uselib_store='PYEMBED', args=flags)
try:
conf.test_pyembed(xx)
except conf.errors.ConfigurationError:
# python bug 7352
if dct['Py_ENABLE_SHARED'] and dct['LIBDIR']:
env.append_unique('LIBPATH_PYEMBED', [dct['LIBDIR']])
conf.test_pyembed(xx)
else:
raise
if 'pyext' in features:
for flags in all_flags:
conf.check_cfg(msg='Asking python-config for pyext %r flags' % ' '.join(flags), path=env.PYTHON_CONFIG, package='', uselib_store='PYEXT', args=flags)
try:
conf.test_pyext(xx)
except conf.errors.ConfigurationError:
# python bug 7352
if dct['Py_ENABLE_SHARED'] and dct['LIBDIR']:
env.append_unique('LIBPATH_PYEXT', [dct['LIBDIR']])
conf.test_pyext(xx)
else:
raise
conf.define('HAVE_PYTHON_H', 1)
return
# No python-config, do something else on windows systems
all_flags = dct['LDFLAGS'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEMBED')
all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEXT')
result = None
if not dct["LDVERSION"]:
dct["LDVERSION"] = env.PYTHON_VERSION
# further simplification will be complicated
for name in ('python' + dct['LDVERSION'], 'python' + env.PYTHON_VERSION + 'm', 'python' + env.PYTHON_VERSION.replace('.', '')):
# LIBPATH_PYEMBED is already set; see if it works.
if not result and env.LIBPATH_PYEMBED:
path = env.LIBPATH_PYEMBED
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in LIBPATH_PYEMBED' % name)
if not result and dct['LIBDIR']:
path = [dct['LIBDIR']]
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in LIBDIR' % name)
if not result and dct['LIBPL']:
path = [dct['LIBPL']]
conf.to_log("\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n")
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in python_LIBPL' % name)
if not result:
path = [os.path.join(dct['prefix'], "libs")]
conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in $prefix/libs' % name)
if result:
break # do not forget to set LIBPATH_PYEMBED
if result:
env.LIBPATH_PYEMBED = path
env.append_value('LIB_PYEMBED', [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
# under certain conditions, python extensions must link to
# python libraries, not just python embedding programs.
if Utils.is_win32 or dct['Py_ENABLE_SHARED']:
env.LIBPATH_PYEXT = env.LIBPATH_PYEMBED
env.LIB_PYEXT = env.LIB_PYEMBED
conf.to_log("Include path for Python extensions (found via distutils module): %r\n" % (dct['INCLUDEPY'],))
env.INCLUDES_PYEXT = [dct['INCLUDEPY']]
env.INCLUDES_PYEMBED = [dct['INCLUDEPY']]
# Code using the Python API needs to be compiled with -fno-strict-aliasing
if env.CC_NAME == 'gcc':
env.append_value('CFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env.CXX_NAME == 'gcc':
env.append_value('CXXFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env.CC_NAME == "msvc":
from distutils.msvccompiler import MSVCCompiler
dist_compiler = MSVCCompiler()
dist_compiler.initialize()
env.append_value('CFLAGS_PYEXT', dist_compiler.compile_options)
env.append_value('CXXFLAGS_PYEXT', dist_compiler.compile_options)
env.append_value('LINKFLAGS_PYEXT', dist_compiler.ldflags_shared)
# See if it compiles
conf.check(header_name='Python.h', define_name='HAVE_PYTHON_H', uselib='PYEMBED', fragment=FRAG, errmsg='Distutils not installed? Broken python installation? Get python-config now!')
def check_python_headers(conf):
"""Check for headers and libraries necessary to extend or embed python.
On success the environment variables xxx_PYEXT and xxx_PYEMBED are added for uselib
PYEXT: for compiling python extensions
PYEMBED: for embedding a python interpreter"""
if not conf.env['CC_NAME'] and not conf.env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not conf.env['PYTHON_VERSION']:
conf.check_python_version()
env = conf.env
python = env['PYTHON']
if not python:
conf.fatal('could not find the python executable')
## On Mac OSX we need to use mac bundles for python plugins
if Options.platform == 'darwin':
conf.check_tool('osx')
try:
# Get some python configuration variables using distutils
v = 'prefix SO SYSLIBS LDFLAGS SHLIBS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET'.split()
(python_prefix, python_SO, python_SYSLIBS, python_LDFLAGS, python_SHLIBS,
python_LIBDIR, python_LIBPL, INCLUDEPY, Py_ENABLE_SHARED,
python_MACOSX_DEPLOYMENT_TARGET) = \
conf.get_python_variables(python, ["get_config_var('%s')" % x for x in v],
['from distutils.sysconfig import get_config_var'])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
conf.to_log("""Configuration returned from %r:
python_prefix = %r
python_SO = %r
python_SYSLIBS = %r
python_LDFLAGS = %r
python_SHLIBS = %r
python_LIBDIR = %r
python_LIBPL = %r
INCLUDEPY = %r
Py_ENABLE_SHARED = %r
MACOSX_DEPLOYMENT_TARGET = %r
""" % (python, python_prefix, python_SO, python_SYSLIBS, python_LDFLAGS, python_SHLIBS,
python_LIBDIR, python_LIBPL, INCLUDEPY, Py_ENABLE_SHARED, python_MACOSX_DEPLOYMENT_TARGET))
if python_MACOSX_DEPLOYMENT_TARGET:
conf.env['MACOSX_DEPLOYMENT_TARGET'] = python_MACOSX_DEPLOYMENT_TARGET
conf.environ['MACOSX_DEPLOYMENT_TARGET'] = python_MACOSX_DEPLOYMENT_TARGET
env['pyext_PATTERN'] = '%s'+python_SO
# Check for python libraries for embedding
if python_SYSLIBS is not None:
for lib in python_SYSLIBS.split():
if lib.startswith('-l'):
lib = lib[2:] # strip '-l'
env.append_value('LIB_PYEMBED', [lib])
if python_SHLIBS is not None:
for lib in python_SHLIBS.split():
if lib.startswith('-l'):
lib = lib[2:] # strip '-l'
env.append_value('LIB_PYEMBED', [lib])
if Options.platform != 'darwin' and python_LDFLAGS:
env.append_value('LINKFLAGS_PYEMBED', python_LDFLAGS.split())
result = False
name = 'python' + env['PYTHON_VERSION']
if python_LIBDIR is not None:
path = [python_LIBDIR]
conf.to_log("\n\n# Trying LIBDIR: %r\n" % path)
result = conf.check(lib=name, uselib='PYEMBED', libpath=path)
if not result and python_LIBPL is not None:
conf.to_log("\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n")
path = [python_LIBPL]
result = conf.check(lib=name, uselib='PYEMBED', libpath=path)
if not result:
conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
path = [os.path.join(python_prefix, "libs")]
name = 'python' + env['PYTHON_VERSION'].replace('.', '')
result = conf.check(lib=name, uselib='PYEMBED', libpath=path)
if result:
env['LIBPATH_PYEMBED'] = path
env.append_value('LIB_PYEMBED', [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
# under certain conditions, python extensions must link to
# python libraries, not just python embedding programs.
if (sys.platform == 'win32' or sys.platform.startswith('os2')
or sys.platform == 'darwin' or Py_ENABLE_SHARED):
env['LIBPATH_PYEXT'] = env['LIBPATH_PYEMBED']
env['LIB_PYEXT'] = env['LIB_PYEMBED']
# We check that pythonX.Y-config exists, and if it exists we
# use it to get only the includes, else fall back to distutils.
python_config = conf.find_program(
'python%s-config' % ('.'.join(env['PYTHON_VERSION'].split('.')[:2])),
var='PYTHON_CONFIG')
if not python_config:
python_config = conf.find_program(
'python-config-%s' % ('.'.join(env['PYTHON_VERSION'].split('.')[:2])),
var='PYTHON_CONFIG')
includes = []
if python_config:
for incstr in conf.cmd_and_log("%s %s --includes" % (python, python_config)).strip().split():
# strip the -I or /I
if (incstr.startswith('-I') or incstr.startswith('/I')):
incstr = incstr[2:]
# append include path, unless already given
if incstr not in includes:
includes.append(incstr)
conf.to_log("Include path for Python extensions "
"(found via python-config --includes): %r\n" % (includes,))
env['INCLUDES_PYEXT'] = includes
env['INCLUDES_PYEMBED'] = includes
else:
conf.to_log("Include path for Python extensions "
"(found via distutils module): %r\n" % (INCLUDEPY,))
env['INCLUDES_PYEXT'] = [INCLUDEPY]
env['INCLUDES_PYEMBED'] = [INCLUDEPY]
# Code using the Python API needs to be compiled with -fno-strict-aliasing
if env['CC_NAME'] == 'gcc':
env.append_value('CCFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CCFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env['CXX_NAME'] == 'gcc':
env.append_value('CXXFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT', ['-fno-strict-aliasing'])
# See if it compiles
conf.check(header_name='Python.h', define_name='HAVE_PYTHON_H',
uselib='PYEMBED', fragment=FRAG,
errmsg='Could not find the python development headers')
def check_python_headers(conf):
if not conf.env['CC_NAME']and not conf.env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not conf.env['PYTHON_VERSION']:
conf.check_python_version()
env=conf.env
pybin=conf.env.PYTHON
if not pybin:
conf.fatal('could not find the python executable')
v='prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS'.split()
try:
lst=conf.get_python_variables(["get_config_var('%s') or ''"%x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals=['%s = %r'%(x,y)for(x,y)in zip(v,lst)]
conf.to_log("Configuration returned from %r:\n%r\n"%(pybin,'\n'.join(vals)))
dct=dict(zip(v,lst))
x='MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
conf.env[x]=conf.environ[x]=dct[x]
env['pyext_PATTERN']='%s'+dct['SO']
all_flags=dct['LDFLAGS']+' '+dct['CFLAGS']
conf.parse_flags(all_flags,'PYEMBED')
all_flags=dct['LDFLAGS']+' '+dct['LDSHARED']+' '+dct['CFLAGS']
conf.parse_flags(all_flags,'PYEXT')
result=None
for name in('python'+env['PYTHON_VERSION'],'python'+env['PYTHON_VERSION'].replace('.','')):
if not result and env['LIBPATH_PYEMBED']:
path=env['LIBPATH_PYEMBED']
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n"%path)
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False,msg='Checking for library %s in LIBPATH_PYEMBED'%name)
if not result and dct['LIBDIR']:
path=[dct['LIBDIR']]
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n"%path)
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False,msg='Checking for library %s in LIBDIR'%name)
if not result and dct['LIBPL']:
path=[dct['LIBPL']]
conf.to_log("\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n")
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False,msg='Checking for library %s in python_LIBPL'%name)
if not result:
path=[os.path.join(dct['prefix'],"libs")]
conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
result=conf.check(lib=name,uselib='PYEMBED',libpath=path,mandatory=False,msg='Checking for library %s in $prefix/libs'%name)
if result:
break
if result:
env['LIBPATH_PYEMBED']=path
env.append_value('LIB_PYEMBED',[name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
if(Utils.is_win32 or sys.platform.startswith('os2')or dct['Py_ENABLE_SHARED']):
env['LIBPATH_PYEXT']=env['LIBPATH_PYEMBED']
env['LIB_PYEXT']=env['LIB_PYEMBED']
num='.'.join(env['PYTHON_VERSION'].split('.')[:2])
conf.find_program(['python%s-config'%num,'python-config-%s'%num,'python%sm-config'%num],var='PYTHON_CONFIG',mandatory=False)
includes=[]
if conf.env.PYTHON_CONFIG:
for incstr in conf.cmd_and_log([conf.env.PYTHON_CONFIG,'--includes']).strip().split():
if(incstr.startswith('-I')or incstr.startswith('/I')):
incstr=incstr[2:]
if incstr not in includes:
includes.append(incstr)
conf.to_log("Include path for Python extensions (found via python-config --includes): %r\n"%(includes,))
env['INCLUDES_PYEXT']=includes
env['INCLUDES_PYEMBED']=includes
else:
conf.to_log("Include path for Python extensions ""(found via distutils module): %r\n"%(dct['INCLUDEPY'],))
env['INCLUDES_PYEXT']=[dct['INCLUDEPY']]
env['INCLUDES_PYEMBED']=[dct['INCLUDEPY']]
if env['CC_NAME']=='gcc':
env.append_value('CFLAGS_PYEMBED',['-fno-strict-aliasing'])
env.append_value('CFLAGS_PYEXT',['-fno-strict-aliasing'])
if env['CXX_NAME']=='gcc':
env.append_value('CXXFLAGS_PYEMBED',['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT',['-fno-strict-aliasing'])
if env.CC_NAME=="msvc":
from distutils.msvccompiler import MSVCCompiler
dist_compiler=MSVCCompiler()
dist_compiler.initialize()
env.append_value('CFLAGS_PYEXT',dist_compiler.compile_options)
env.append_value('CXXFLAGS_PYEXT',dist_compiler.compile_options)
env.append_value('LINKFLAGS_PYEXT',dist_compiler.ldflags_shared)
try:
conf.check(header_name='Python.h',define_name='HAVE_PYTHON_H',uselib='PYEMBED',fragment=FRAG,errmsg='Could not find the python development headers')
except conf.errors.ConfigurationError:
conf.check_cfg(path=conf.env.PYTHON_CONFIG,package='',uselib_store='PYEMBED',args=['--cflags','--libs'])
conf.check(header_name='Python.h',define_name='HAVE_PYTHON_H',msg='Getting the python flags from python-config',uselib='PYEMBED',fragment=FRAG,errmsg='Could not find the python development headers elsewhere')
def check_python_headers(conf, features="pyembed pyext"):
"""
Check for headers and libraries necessary to extend or embed python by using the module *distutils*.
On success the environment variables xxx_PYEXT and xxx_PYEMBED are added:
* PYEXT: for compiling python extensions
* PYEMBED: for embedding a python interpreter
"""
features = Utils.to_list(features)
assert ("pyembed" in features) or (
"pyext" in features
), "check_python_headers features must include 'pyembed' and/or 'pyext'"
env = conf.env
if not env.CC_NAME and not env.CXX_NAME:
conf.fatal("load a compiler first (gcc, g++, ..)")
# bypass all the code below for cross-compilation
if conf.python_cross_compile(features):
return
if not env.PYTHON_VERSION:
conf.check_python_version()
pybin = env.PYTHON
if not pybin:
conf.fatal("Could not find the python executable")
# so we actually do all this for compatibility reasons and for obtaining pyext_PATTERN below
v = "prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS LDVERSION".split()
try:
lst = conf.get_python_variables(["get_config_var('%s') or ''" % x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = [f"{x} = {y!r}" for (x, y) in zip(v, lst)]
conf.to_log(
"Configuration returned from {!r}:\n{}\n".format(pybin, "\n".join(vals))
)
dct = dict(zip(v, lst))
x = "MACOSX_DEPLOYMENT_TARGET"
if dct[x]:
env[x] = conf.environ[x] = dct[x]
env.pyext_PATTERN = "%s" + dct["SO"] # not a mistake
# Try to get pythonX.Y-config
num = ".".join(env.PYTHON_VERSION.split(".")[:2])
conf.find_program(
[
"".join(pybin) + "-config",
"python%s-config" % num,
"python-config-%s" % num,
"python%sm-config" % num,
],
var="PYTHON_CONFIG",
msg="python-config",
mandatory=False,
)
if env.PYTHON_CONFIG:
# python2.6-config requires 3 runs
all_flags = [["--cflags", "--libs", "--ldflags"]]
if sys.hexversion < 0x2070000:
all_flags = [[k] for k in all_flags[0]]
xx = env.CXX_NAME and "cxx" or "c"
if "pyembed" in features:
for flags in all_flags:
conf.check_cfg(
msg="Asking python-config for pyembed %r flags" % " ".join(flags),
path=env.PYTHON_CONFIG,
package="",
uselib_store="PYEMBED",
args=flags,
)
try:
conf.test_pyembed(xx)
except conf.errors.ConfigurationError:
# python bug 7352
if dct["Py_ENABLE_SHARED"] and dct["LIBDIR"]:
env.append_unique("LIBPATH_PYEMBED", [dct["LIBDIR"]])
conf.test_pyembed(xx)
else:
raise
if "pyext" in features:
for flags in all_flags:
conf.check_cfg(
msg="Asking python-config for pyext %r flags" % " ".join(flags),
path=env.PYTHON_CONFIG,
package="",
uselib_store="PYEXT",
args=flags,
)
try:
conf.test_pyext(xx)
except conf.errors.ConfigurationError:
# python bug 7352
if dct["Py_ENABLE_SHARED"] and dct["LIBDIR"]:
env.append_unique("LIBPATH_PYEXT", [dct["LIBDIR"]])
conf.test_pyext(xx)
else:
raise
conf.define("HAVE_PYTHON_H", 1)
return
# No python-config, do something else on windows systems
all_flags = dct["LDFLAGS"] + " " + dct["CFLAGS"]
conf.parse_flags(all_flags, "PYEMBED")
all_flags = dct["LDFLAGS"] + " " + dct["LDSHARED"] + " " + dct["CFLAGS"]
conf.parse_flags(all_flags, "PYEXT")
result = None
if not dct["LDVERSION"]:
dct["LDVERSION"] = env.PYTHON_VERSION
# further simplification will be complicated
for name in (
"python" + dct["LDVERSION"],
"python" + env.PYTHON_VERSION + "m",
"python" + env.PYTHON_VERSION.replace(".", ""),
):
# LIBPATH_PYEMBED is already set; see if it works.
if not result and env.LIBPATH_PYEMBED:
path = env.LIBPATH_PYEMBED
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in LIBPATH_PYEMBED" % name,
)
if not result and dct["LIBDIR"]:
path = [dct["LIBDIR"]]
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in LIBDIR" % name,
)
if not result and dct["LIBPL"]:
path = [dct["LIBPL"]]
conf.to_log(
"\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n"
)
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in python_LIBPL" % name,
)
if not result:
path = [os.path.join(dct["prefix"], "libs")]
conf.to_log(
"\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n"
)
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in $prefix/libs" % name,
)
if result:
break # do not forget to set LIBPATH_PYEMBED
if result:
env.LIBPATH_PYEMBED = path
env.append_value("LIB_PYEMBED", [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
# under certain conditions, python extensions must link to
# python libraries, not just python embedding programs.
if Utils.is_win32 or dct["Py_ENABLE_SHARED"]:
env.LIBPATH_PYEXT = env.LIBPATH_PYEMBED
env.LIB_PYEXT = env.LIB_PYEMBED
conf.to_log(
"Include path for Python extensions (found via distutils module): {!r}\n".format(
dct["INCLUDEPY"]
)
)
env.INCLUDES_PYEXT = [dct["INCLUDEPY"]]
env.INCLUDES_PYEMBED = [dct["INCLUDEPY"]]
# Code using the Python API needs to be compiled with -fno-strict-aliasing
if env.CC_NAME == "gcc":
env.append_value("CFLAGS_PYEMBED", ["-fno-strict-aliasing"])
env.append_value("CFLAGS_PYEXT", ["-fno-strict-aliasing"])
if env.CXX_NAME == "gcc":
env.append_value("CXXFLAGS_PYEMBED", ["-fno-strict-aliasing"])
env.append_value("CXXFLAGS_PYEXT", ["-fno-strict-aliasing"])
if env.CC_NAME == "msvc":
from distutils.msvccompiler import MSVCCompiler
dist_compiler = MSVCCompiler()
dist_compiler.initialize()
env.append_value("CFLAGS_PYEXT", dist_compiler.compile_options)
env.append_value("CXXFLAGS_PYEXT", dist_compiler.compile_options)
env.append_value("LINKFLAGS_PYEXT", dist_compiler.ldflags_shared)
# See if it compiles
conf.check(
header_name="Python.h",
define_name="HAVE_PYTHON_H",
uselib="PYEMBED",
fragment=FRAG,
errmsg="Distutils not installed? Broken python installation? Get python-config now!",
)
def check_python_headers(conf, features='pyembed pyext'):
"""
Check for headers and libraries necessary to extend or embed python by using the module *distutils*.
On success the environment variables xxx_PYEXT and xxx_PYEMBED are added:
* PYEXT: for compiling python extensions
* PYEMBED: for embedding a python interpreter
"""
features = Utils.to_list(features)
assert ('pyembed' in features) or (
'pyext' in features
), "check_python_headers features must include 'pyembed' and/or 'pyext'"
env = conf.env
if not env.CC_NAME and not env.CXX_NAME:
conf.fatal('load a compiler first (gcc, g++, ..)')
# bypass all the code below for cross-compilation
if conf.python_cross_compile(features):
return
if not env.PYTHON_VERSION:
conf.check_python_version()
pybin = env.PYTHON
if not pybin:
conf.fatal('Could not find the python executable')
# so we actually do all this for compatibility reasons and for obtaining pyext_PATTERN below
v = 'prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS LDVERSION'.split(
)
try:
lst = conf.get_python_variables(
["get_config_var('%s') or ''" % x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%s\n" %
(pybin, '\n'.join(vals)))
dct = dict(zip(v, lst))
x = 'MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
env[x] = conf.environ[x] = dct[x]
env.pyext_PATTERN = '%s' + dct['SO'] # not a mistake
# Try to get pythonX.Y-config
num = '.'.join(env.PYTHON_VERSION.split('.')[:2])
conf.find_program([
''.join(pybin) + '-config',
'python%s-config' % num,
'python-config-%s' % num,
'python%sm-config' % num
],
var='PYTHON_CONFIG',
msg="python-config",
mandatory=False)
if env.PYTHON_CONFIG:
# python2.6-config requires 3 runs
all_flags = [['--cflags', '--libs', '--ldflags']]
if sys.hexversion < 0x2070000:
all_flags = [[k] for k in all_flags[0]]
xx = env.CXX_NAME and 'cxx' or 'c'
if 'pyembed' in features:
for flags in all_flags:
conf.check_cfg(
msg='Asking python-config for pyembed %r flags' %
' '.join(flags),
path=env.PYTHON_CONFIG,
package='',
uselib_store='PYEMBED',
args=flags)
try:
conf.test_pyembed(xx)
except conf.errors.ConfigurationError:
# python bug 7352
if dct['Py_ENABLE_SHARED'] and dct['LIBDIR']:
env.append_unique('LIBPATH_PYEMBED', [dct['LIBDIR']])
conf.test_pyembed(xx)
else:
raise
if 'pyext' in features:
for flags in all_flags:
conf.check_cfg(msg='Asking python-config for pyext %r flags' %
' '.join(flags),
path=env.PYTHON_CONFIG,
package='',
uselib_store='PYEXT',
args=flags)
try:
conf.test_pyext(xx)
except conf.errors.ConfigurationError:
# python bug 7352
if dct['Py_ENABLE_SHARED'] and dct['LIBDIR']:
env.append_unique('LIBPATH_PYEXT', [dct['LIBDIR']])
conf.test_pyext(xx)
else:
raise
conf.define('HAVE_PYTHON_H', 1)
return
# No python-config, do something else on windows systems
all_flags = dct['LDFLAGS'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEMBED')
all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEXT')
result = None
if not dct["LDVERSION"]:
dct["LDVERSION"] = env.PYTHON_VERSION
# further simplification will be complicated
for name in ('python' + dct['LDVERSION'],
'python' + env.PYTHON_VERSION + 'm',
'python' + env.PYTHON_VERSION.replace('.', '')):
# LIBPATH_PYEMBED is already set; see if it works.
if not result and env.LIBPATH_PYEMBED:
path = env.LIBPATH_PYEMBED
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(
lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in LIBPATH_PYEMBED' % name)
if not result and dct['LIBDIR']:
path = [dct['LIBDIR']]
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in LIBDIR' % name)
if not result and dct['LIBPL']:
path = [dct['LIBPL']]
conf.to_log(
"\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n"
)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in python_LIBPL' %
name)
if not result:
path = [os.path.join(dct['prefix'], "libs")]
conf.to_log(
"\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n"
)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in $prefix/libs' %
name)
if result:
break # do not forget to set LIBPATH_PYEMBED
if result:
env.LIBPATH_PYEMBED = path
env.append_value('LIB_PYEMBED', [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
# under certain conditions, python extensions must link to
# python libraries, not just python embedding programs.
if Utils.is_win32 or dct['Py_ENABLE_SHARED']:
env.LIBPATH_PYEXT = env.LIBPATH_PYEMBED
env.LIB_PYEXT = env.LIB_PYEMBED
conf.to_log(
"Include path for Python extensions (found via distutils module): %r\n"
% (dct['INCLUDEPY'], ))
env.INCLUDES_PYEXT = [dct['INCLUDEPY']]
env.INCLUDES_PYEMBED = [dct['INCLUDEPY']]
# Code using the Python API needs to be compiled with -fno-strict-aliasing
if env.CC_NAME == 'gcc':
env.append_value('CFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env.CXX_NAME == 'gcc':
env.append_value('CXXFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env.CC_NAME == "msvc":
from distutils.msvccompiler import MSVCCompiler
dist_compiler = MSVCCompiler()
dist_compiler.initialize()
env.append_value('CFLAGS_PYEXT', dist_compiler.compile_options)
env.append_value('CXXFLAGS_PYEXT', dist_compiler.compile_options)
env.append_value('LINKFLAGS_PYEXT', dist_compiler.ldflags_shared)
# See if it compiles
conf.check(
header_name='Python.h',
define_name='HAVE_PYTHON_H',
uselib='PYEMBED',
fragment=FRAG,
errmsg=
'Distutils not installed? Broken python installation? Get python-config now!'
)
def check_python_headers(conf):
"""
Check for headers and libraries necessary to extend or embed python by using the module *distutils*.
On success the environment variables xxx_PYEXT and xxx_PYEMBED are added:
* PYEXT: for compiling python extensions
* PYEMBED: for embedding a python interpreter
"""
# FIXME rewrite
env = conf.env
if not env['CC_NAME'] and not env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not env['PYTHON_VERSION']:
conf.check_python_version()
pybin = conf.env.PYTHON
if not pybin:
conf.fatal('Could not find the python executable')
v = 'prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS LDVERSION'.split()
try:
lst = conf.get_python_variables(["get_config_var('%s') or ''" % x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%r\n" % (pybin, '\n'.join(vals)))
dct = dict(zip(v, lst))
x = 'MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
conf.env[x] = conf.environ[x] = dct[x]
env['pyext_PATTERN'] = '%s' + dct['SO'] # not a mistake
# Check for python libraries for embedding
all_flags = dct['LDFLAGS'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEMBED')
all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEXT')
result = None
#name = 'python' + env['PYTHON_VERSION']
if not dct["LDVERSION"]:
dct["LDVERSION"] = env['PYTHON_VERSION']
# TODO simplify this
for name in ('python' + dct['LDVERSION'], 'python' + env['PYTHON_VERSION'] + 'm', 'python' + env['PYTHON_VERSION'].replace('.', '')):
# LIBPATH_PYEMBED is already set; see if it works.
if not result and env['LIBPATH_PYEMBED']:
path = env['LIBPATH_PYEMBED']
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in LIBPATH_PYEMBED' % name)
if not result and dct['LIBDIR']:
path = [dct['LIBDIR']]
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in LIBDIR' % name)
if not result and dct['LIBPL']:
path = [dct['LIBPL']]
conf.to_log("\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n")
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in python_LIBPL' % name)
if not result:
path = [os.path.join(dct['prefix'], "libs")]
conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False, msg='Checking for library %s in $prefix/libs' % name)
if result:
break # do not forget to set LIBPATH_PYEMBED
if result:
env['LIBPATH_PYEMBED'] = path
env.append_value('LIB_PYEMBED', [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
# under certain conditions, python extensions must link to
# python libraries, not just python embedding programs.
if (Utils.is_win32 or sys.platform.startswith('os2')
or dct['Py_ENABLE_SHARED']):
env['LIBPATH_PYEXT'] = env['LIBPATH_PYEMBED']
env['LIB_PYEXT'] = env['LIB_PYEMBED']
# We check that pythonX.Y-config exists, and if it exists we
# use it to get only the includes, else fall back to distutils.
num = '.'.join(env['PYTHON_VERSION'].split('.')[:2])
conf.find_program([''.join(pybin) + '-config', 'python%s-config' % num, 'python-config-%s' % num, 'python%sm-config' % num], var='PYTHON_CONFIG', mandatory=False)
includes = []
if conf.env.PYTHON_CONFIG:
for incstr in conf.cmd_and_log([ conf.env.PYTHON_CONFIG, '--includes']).strip().split():
# strip the -I or /I
if (incstr.startswith('-I') or incstr.startswith('/I')):
incstr = incstr[2:]
# append include path, unless already given
if incstr not in includes:
includes.append(incstr)
conf.to_log("Include path for Python extensions (found via python-config --includes): %r\n" % (includes,))
env['INCLUDES_PYEXT'] = includes
env['INCLUDES_PYEMBED'] = includes
else:
conf.to_log("Include path for Python extensions "
"(found via distutils module): %r\n" % (dct['INCLUDEPY'],))
env['INCLUDES_PYEXT'] = [dct['INCLUDEPY']]
env['INCLUDES_PYEMBED'] = [dct['INCLUDEPY']]
# Code using the Python API needs to be compiled with -fno-strict-aliasing
if env['CC_NAME'] == 'gcc':
env.append_value('CFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env['CXX_NAME'] == 'gcc':
env.append_value('CXXFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env.CC_NAME == "msvc":
from distutils.msvccompiler import MSVCCompiler
dist_compiler = MSVCCompiler()
dist_compiler.initialize()
env.append_value('CFLAGS_PYEXT', dist_compiler.compile_options)
env.append_value('CXXFLAGS_PYEXT', dist_compiler.compile_options)
env.append_value('LINKFLAGS_PYEXT', dist_compiler.ldflags_shared)
# See if it compiles
try:
conf.check(header_name='Python.h', define_name='HAVE_PYTHON_H',
uselib='PYEMBED', fragment=FRAG,
errmsg=':-(')
except conf.errors.ConfigurationError:
# python3.2, oh yeah
xx = conf.env.CXX_NAME and 'cxx' or 'c'
flags = ['--cflags', '--libs', '--ldflags']
for f in flags:
conf.check_cfg(msg='Asking python-config for pyembed %s flags' % f,
path=conf.env.PYTHON_CONFIG, package='', uselib_store='PYEMBED', args=[f])
conf.check(header_name='Python.h', define_name='HAVE_PYTHON_H', msg='Getting pyembed flags from python-config',
fragment=FRAG, errmsg='Could not build a python embedded interpreter',
features='%s %sprogram pyembed' % (xx, xx))
for f in flags:
conf.check_cfg(msg='Asking python-config for pyext %s flags' % f,
path=conf.env.PYTHON_CONFIG, package='', uselib_store='PYEXT', args=[f])
conf.check(header_name='Python.h', define_name='HAVE_PYTHON_H', msg='Getting pyext flags from python-config',
features='%s %sshlib pyext' % (xx, xx), fragment=FRAG, errmsg='Could not build python extensions')
def check_python_headers(conf, features='pyembed pyext'):
features = Utils.to_list(features)
assert ('pyembed' in features) or (
'pyext' in features
), "check_python_headers features must include 'pyembed' and/or 'pyext'"
env = conf.env
if not env['CC_NAME'] and not env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if conf.python_cross_compile(features):
return
if not env['PYTHON_VERSION']:
conf.check_python_version()
pybin = env.PYTHON
if not pybin:
conf.fatal('Could not find the python executable')
v = 'prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS LDVERSION'.split(
)
try:
lst = conf.get_python_variables(
["get_config_var('%s') or ''" % x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%s\n" %
(pybin, '\n'.join(vals)))
dct = dict(zip(v, lst))
x = 'MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
env[x] = conf.environ[x] = dct[x]
env['pyext_PATTERN'] = '%s' + dct['SO']
num = '.'.join(env['PYTHON_VERSION'].split('.')[:2])
conf.find_program([
''.join(pybin) + '-config',
'python%s-config' % num,
'python-config-%s' % num,
'python%sm-config' % num
],
var='PYTHON_CONFIG',
msg="python-config",
mandatory=False)
if env.PYTHON_CONFIG:
all_flags = [['--cflags', '--libs', '--ldflags']]
if sys.hexversion < 0x2070000:
all_flags = [[k] for k in all_flags[0]]
xx = env.CXX_NAME and 'cxx' or 'c'
if 'pyembed' in features:
for flags in all_flags:
conf.check_cfg(
msg='Asking python-config for pyembed %r flags' %
' '.join(flags),
path=env.PYTHON_CONFIG,
package='',
uselib_store='PYEMBED',
args=flags)
try:
conf.test_pyembed(xx)
except conf.errors.ConfigurationError:
if dct['Py_ENABLE_SHARED'] and dct['LIBDIR']:
env.append_unique('LIBPATH_PYEMBED', [dct['LIBDIR']])
conf.test_pyembed(xx)
else:
raise
if 'pyext' in features:
for flags in all_flags:
conf.check_cfg(msg='Asking python-config for pyext %r flags' %
' '.join(flags),
path=env.PYTHON_CONFIG,
package='',
uselib_store='PYEXT',
args=flags)
try:
conf.test_pyext(xx)
except conf.errors.ConfigurationError:
if dct['Py_ENABLE_SHARED'] and dct['LIBDIR']:
env.append_unique('LIBPATH_PYEXT', [dct['LIBDIR']])
conf.test_pyext(xx)
else:
raise
conf.define('HAVE_PYTHON_H', 1)
return
all_flags = dct['LDFLAGS'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEMBED')
all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEXT')
result = None
if not dct["LDVERSION"]:
dct["LDVERSION"] = env['PYTHON_VERSION']
for name in ('python' + dct['LDVERSION'],
'python' + env['PYTHON_VERSION'] + 'm',
'python' + env['PYTHON_VERSION'].replace('.', '')):
if not result and env['LIBPATH_PYEMBED']:
path = env['LIBPATH_PYEMBED']
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(
lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in LIBPATH_PYEMBED' % name)
if not result and dct['LIBDIR']:
path = [dct['LIBDIR']]
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in LIBDIR' % name)
if not result and dct['LIBPL']:
path = [dct['LIBPL']]
conf.to_log(
"\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n"
)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in python_LIBPL' %
name)
if not result:
path = [os.path.join(dct['prefix'], "libs")]
conf.to_log(
"\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n"
)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in $prefix/libs' %
name)
if result:
break
if result:
env['LIBPATH_PYEMBED'] = path
env.append_value('LIB_PYEMBED', [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
if Utils.is_win32 or dct['Py_ENABLE_SHARED']:
env['LIBPATH_PYEXT'] = env['LIBPATH_PYEMBED']
env['LIB_PYEXT'] = env['LIB_PYEMBED']
conf.to_log(
"Include path for Python extensions (found via distutils module): %r\n"
% (dct['INCLUDEPY'], ))
env['INCLUDES_PYEXT'] = [dct['INCLUDEPY']]
env['INCLUDES_PYEMBED'] = [dct['INCLUDEPY']]
if env['CC_NAME'] == 'gcc':
env.append_value('CFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env['CXX_NAME'] == 'gcc':
env.append_value('CXXFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env.CC_NAME == "msvc":
from distutils.msvccompiler import MSVCCompiler
dist_compiler = MSVCCompiler()
dist_compiler.initialize()
env.append_value('CFLAGS_PYEXT', dist_compiler.compile_options)
env.append_value('CXXFLAGS_PYEXT', dist_compiler.compile_options)
env.append_value('LINKFLAGS_PYEXT', dist_compiler.ldflags_shared)
conf.check(
header_name='Python.h',
define_name='HAVE_PYTHON_H',
uselib='PYEMBED',
fragment=FRAG,
errmsg=
'Distutils not installed? Broken python installation? Get python-config now!'
)
def get_numpy_includes(conf):
conf.start_msg("Checking numpy includes")
(np_includes,) = conf.get_python_variables(
['numpy.get_include()'], ['import numpy'])
conf.env.INCLUDES_NUMPY = np_includes
conf.end_msg('ok (%s)' % np_includes)
def check_python_version(conf, minver=None):
"""
Check if the python interpreter is found matching a given minimum version.
minver should be a tuple, eg. to check for python >= 2.4.2 pass (2,4,2) as minver.
If successful, PYTHON_VERSION is defined as 'MAJOR.MINOR'
(eg. '2.4') of the actual python version found, and PYTHONDIR is
defined, pointing to the site-packages directory appropriate for
this python version, where modules/packages/extensions should be
installed.
:param minver: minimum version
:type minver: tuple of int
"""
assert minver is None or isinstance(minver, tuple)
python = conf.env["PYTHON"]
if not python:
conf.fatal("could not find the python executable")
# Get python version string
cmd = [python, "-c", "import sys\nfor x in sys.version_info: print(str(x))"]
debug("python: Running python command %r" % cmd)
lines = conf.cmd_and_log(cmd).split()
assert len(lines) == 5, "found %i lines, expected 5: %r" % (len(lines), lines)
pyver_tuple = (int(lines[0]), int(lines[1]), int(lines[2]), lines[3], int(lines[4]))
# compare python version with the minimum required
result = (minver is None) or (pyver_tuple >= minver)
if result:
# define useful environment variables
pyver = ".".join([str(x) for x in pyver_tuple[:2]])
conf.env["PYTHON_VERSION"] = pyver
if "PYTHONDIR" in conf.environ:
pydir = conf.environ["PYTHONDIR"]
else:
if sys.platform == "win32":
(python_LIBDEST, pydir) = conf.get_python_variables(
python,
["get_config_var('LIBDEST')", "get_python_lib(standard_lib=0, prefix=%r)" % conf.env["PREFIX"]],
["from distutils.sysconfig import get_config_var, get_python_lib"],
)
else:
python_LIBDEST = None
(pydir,) = conf.get_python_variables(
python,
["get_python_lib(standard_lib=0, prefix=%r)" % conf.env["PREFIX"]],
["from distutils.sysconfig import get_config_var, get_python_lib"],
)
if python_LIBDEST is None:
if conf.env["LIBDIR"]:
python_LIBDEST = os.path.join(conf.env["LIBDIR"], "python" + pyver)
else:
python_LIBDEST = os.path.join(conf.env["PREFIX"], "lib", "python" + pyver)
if hasattr(conf, "define"): # conf.define is added by the C tool, so may not exist
conf.define("PYTHONDIR", pydir)
conf.env["PYTHONDIR"] = pydir
# Feedback
pyver_full = ".".join(map(str, pyver_tuple[:3]))
if minver is None:
conf.msg("Checking for python version", pyver_full)
else:
minver_str = ".".join(map(str, minver))
conf.msg("Checking for python version", pyver_tuple, ">= %s" % (minver_str,) and "GREEN" or "YELLOW")
if not result:
conf.fatal("The python version is too old, expecting %r" % (minver,))
def check_python_headers(conf):
"""
Check for headers and libraries necessary to extend or embed python by using the module *distutils*.
On success the environment variables xxx_PYEXT and xxx_PYEMBED are added:
* PYEXT: for compiling python extensions
* PYEMBED: for embedding a python interpreter
"""
if not conf.env["CC_NAME"] and not conf.env["CXX_NAME"]:
conf.fatal("load a compiler first (gcc, g++, ..)")
if not conf.env["PYTHON_VERSION"]:
conf.check_python_version()
env = conf.env
python = env["PYTHON"]
if not python:
conf.fatal("could not find the python executable")
v = "prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS".split()
try:
lst = conf.get_python_variables(
python, ["get_config_var('%s')" % x for x in v], ["from distutils.sysconfig import get_config_var"]
)
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ["%s = %r" % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%r\n" % (python, "\n".join(vals)))
dct = dict(zip(v, lst))
x = "MACOSX_DEPLOYMENT_TARGET"
if dct[x]:
conf.env[x] = conf.environ[x] = dct[x]
env["pyext_PATTERN"] = "%s" + dct["SO"] # not a mistake
# Check for python libraries for embedding
all_flags = dct["LDFLAGS"] + " " + dct["LDSHARED"] + " " + dct["CFLAGS"]
conf.parse_flags(all_flags, "PYEMBED")
conf.parse_flags(all_flags, "PYEXT")
result = None
name = "python" + env["PYTHON_VERSION"]
# LIBPATH_PYEMBED is already set; see if it works.
path = env["LIBPATH_PYEMBED"]
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(lib=name, uselib="PYEMBED", libpath=path, mandatory=False)
if not result:
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
path = [dct["LIBDIR"] or ""]
result = conf.check(lib=name, uselib="PYEMBED", libpath=path, mandatory=False)
if not result:
conf.to_log(
"\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n"
)
path = [dct["LIBPL"] or ""]
result = conf.check(lib=name, uselib="PYEMBED", libpath=path, mandatory=False)
if not result:
conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
path = [os.path.join(dct["prefix"], "libs")]
name = "python" + env["PYTHON_VERSION"].replace(".", "")
result = conf.check(lib=name, uselib="PYEMBED", libpath=path, mandatory=False)
if result:
env["LIBPATH_PYEMBED"] = path
env.append_value("LIB_PYEMBED", [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
# under certain conditions, python extensions must link to
# python libraries, not just python embedding programs.
if sys.platform == "win32" or sys.platform.startswith("os2") or sys.platform == "darwin" or dct["Py_ENABLE_SHARED"]:
env["LIBPATH_PYEXT"] = env["LIBPATH_PYEMBED"]
env["LIB_PYEXT"] = env["LIB_PYEMBED"]
# We check that pythonX.Y-config exists, and if it exists we
# use it to get only the includes, else fall back to distutils.
num = ".".join(env["PYTHON_VERSION"].split(".")[:2])
try:
conf.find_program("python%s-config" % num, var="PYTHON_CONFIG")
except conf.errors.ConfigurationError:
conf.find_program("python-config-%s" % num, var="PYTHON_CONFIG", mandatory=False)
includes = []
if conf.env.PYTHON_CONFIG:
for incstr in conf.cmd_and_log("%s %s --includes" % (python, conf.env.PYTHON_CONFIG)).strip().split():
# strip the -I or /I
if incstr.startswith("-I") or incstr.startswith("/I"):
incstr = incstr[2:]
# append include path, unless already given
if incstr not in includes:
includes.append(incstr)
conf.to_log("Include path for Python extensions " "(found via python-config --includes): %r\n" % (includes,))
env["INCLUDES_PYEXT"] = includes
env["INCLUDES_PYEMBED"] = includes
else:
conf.to_log("Include path for Python extensions " "(found via distutils module): %r\n" % (dct["INCLUDEPY"],))
env["INCLUDES_PYEXT"] = [dct["INCLUDEPY"]]
env["INCLUDES_PYEMBED"] = [dct["INCLUDEPY"]]
# Code using the Python API needs to be compiled with -fno-strict-aliasing
if env["CC_NAME"] == "gcc":
env.append_value("CFLAGS_PYEMBED", ["-fno-strict-aliasing"])
env.append_value("CFLAGS_PYEXT", ["-fno-strict-aliasing"])
if env["CXX_NAME"] == "gcc":
env.append_value("CXXFLAGS_PYEMBED", ["-fno-strict-aliasing"])
env.append_value("CXXFLAGS_PYEXT", ["-fno-strict-aliasing"])
# See if it compiles
conf.check(
header_name="Python.h",
define_name="HAVE_PYTHON_H",
uselib="PYEMBED",
fragment=FRAG,
errmsg="Could not find the python development headers",
)
def check_python_headers(conf):
env = conf.env
if not env['CC_NAME'] and not env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not env['PYTHON_VERSION']:
conf.check_python_version()
pybin = conf.env.PYTHON
if not pybin:
conf.fatal('Could not find the python executable')
v = 'prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS'.split(
)
try:
lst = conf.get_python_variables(
["get_config_var('%s') or ''" % x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%r\n" %
(pybin, '\n'.join(vals)))
dct = dict(zip(v, lst))
x = 'MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
conf.env[x] = conf.environ[x] = dct[x]
env['pyext_PATTERN'] = '%s' + dct['SO']
all_flags = dct['LDFLAGS'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEMBED')
all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEXT')
result = None
for name in ('python' + env['PYTHON_VERSION'],
'python' + env['PYTHON_VERSION'].replace('.', '')):
if not result and env['LIBPATH_PYEMBED']:
path = env['LIBPATH_PYEMBED']
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(
lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in LIBPATH_PYEMBED' % name)
if not result and dct['LIBDIR']:
path = [dct['LIBDIR']]
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in LIBDIR' % name)
if not result and dct['LIBPL']:
path = [dct['LIBPL']]
conf.to_log(
"\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n"
)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in python_LIBPL' %
name)
if not result:
path = [os.path.join(dct['prefix'], "libs")]
conf.to_log(
"\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n"
)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in $prefix/libs' %
name)
if result:
break
if result:
env['LIBPATH_PYEMBED'] = path
env.append_value('LIB_PYEMBED', [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
if (Utils.is_win32 or sys.platform.startswith('os2')
or dct['Py_ENABLE_SHARED']):
env['LIBPATH_PYEXT'] = env['LIBPATH_PYEMBED']
env['LIB_PYEXT'] = env['LIB_PYEMBED']
num = '.'.join(env['PYTHON_VERSION'].split('.')[:2])
conf.find_program([
''.join(pybin) + '-config',
'python%s-config' % num,
'python-config-%s' % num,
'python%sm-config' % num
],
var='PYTHON_CONFIG',
mandatory=False)
includes = []
if conf.env.PYTHON_CONFIG:
for incstr in conf.cmd_and_log([conf.env.PYTHON_CONFIG,
'--includes']).strip().split():
if (incstr.startswith('-I') or incstr.startswith('/I')):
incstr = incstr[2:]
if incstr not in includes:
includes.append(incstr)
conf.to_log(
"Include path for Python extensions (found via python-config --includes): %r\n"
% (includes, ))
env['INCLUDES_PYEXT'] = includes
env['INCLUDES_PYEMBED'] = includes
else:
conf.to_log("Include path for Python extensions "
"(found via distutils module): %r\n" %
(dct['INCLUDEPY'], ))
env['INCLUDES_PYEXT'] = [dct['INCLUDEPY']]
env['INCLUDES_PYEMBED'] = [dct['INCLUDEPY']]
if env['CC_NAME'] == 'gcc':
env.append_value('CFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env['CXX_NAME'] == 'gcc':
env.append_value('CXXFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env.CC_NAME == "msvc":
from distutils.msvccompiler import MSVCCompiler
dist_compiler = MSVCCompiler()
dist_compiler.initialize()
env.append_value('CFLAGS_PYEXT', dist_compiler.compile_options)
env.append_value('CXXFLAGS_PYEXT', dist_compiler.compile_options)
env.append_value('LINKFLAGS_PYEXT', dist_compiler.ldflags_shared)
try:
conf.check(header_name='Python.h',
define_name='HAVE_PYTHON_H',
uselib='PYEMBED',
fragment=FRAG,
errmsg=':-(')
except conf.errors.ConfigurationError:
xx = conf.env.CXX_NAME and 'cxx' or 'c'
conf.check_cfg(msg='Asking python-config for the flags (pyembed)',
path=conf.env.PYTHON_CONFIG,
package='',
uselib_store='PYEMBED',
args=['--cflags', '--libs', '--ldflags'])
conf.check(header_name='Python.h',
define_name='HAVE_PYTHON_H',
msg='Getting pyembed flags from python-config',
fragment=FRAG,
errmsg='Could not build a python embedded interpreter',
features='%s %sprogram pyembed' % (xx, xx))
conf.check_cfg(msg='Asking python-config for the flags (pyext)',
path=conf.env.PYTHON_CONFIG,
package='',
uselib_store='PYEXT',
args=['--cflags', '--libs', '--ldflags'])
conf.check(header_name='Python.h',
define_name='HAVE_PYTHON_H',
msg='Getting pyext flags from python-config',
features='%s %sshlib pyext' % (xx, xx),
fragment=FRAG,
errmsg='Could not build python extensions')
def check_python_headers(conf):
env = conf.env
if not env['CC_NAME'] and not env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not env['PYTHON_VERSION']:
conf.check_python_version()
pybin = conf.env.PYTHON
if not pybin:
conf.fatal('Could not find the python executable')
v = 'prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS LDVERSION'.split(
)
try:
lst = conf.get_python_variables(
["get_config_var('%s') or ''" % x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%r\n" %
(pybin, '\n'.join(vals)))
dct = dict(zip(v, lst))
x = 'MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
conf.env[x] = conf.environ[x] = dct[x]
if not env.pyext_PATTERN:
if dct['SO']:
env.pyext_PATTERN = '%s' + dct['SO']
else:
env.pyext_PATTERN = (conf.env.cshlib_PATTERN
or conf.env.cxxshlib_PATTERN).lstrip('lib')
num = '.'.join(env['PYTHON_VERSION'].split('.')[:2])
conf.find_program([
''.join(pybin) + '-config',
'python%s-config' % num,
'python-config-%s' % num,
'python%sm-config' % num
],
var='PYTHON_CONFIG',
msg="python-config")
all_flags = [['--cflags', '--libs', '--ldflags']]
if sys.hexversion < 0x2060000:
all_flags = [[x] for x in all_flags[0]]
xx = conf.env.CXX_NAME and 'cxx' or 'c'
for flags in all_flags:
conf.check_cfg(msg='Asking python-config for pyembed %r flags' %
' '.join(flags),
path=conf.env.PYTHON_CONFIG,
package='',
uselib_store='PYEMBED',
args=flags)
conf.check(header_name='Python.h',
define_name='HAVE_PYEMBED',
msg='Getting pyembed flags from python-config',
fragment=FRAG,
errmsg='Could not build a python embedded interpreter',
features='%s %sprogram pyembed' % (xx, xx))
for flags in all_flags:
conf.check_cfg(msg='Asking python-config for pyext %r flags' %
' '.join(flags),
path=conf.env.PYTHON_CONFIG,
package='',
uselib_store='PYEXT',
args=flags)
conf.check(header_name='Python.h',
define_name='HAVE_PYEXT',
msg='Getting pyext flags from python-config',
features='%s %sshlib pyext' % (xx, xx),
fragment=FRAG,
errmsg='Could not build python extensions')
conf.define('HAVE_PYTHON_H', 1)
def check_python_headers(conf):
"""
Check for headers and libraries necessary to extend or embed python by using the module *distutils*.
On success the environment variables xxx_PYEXT and xxx_PYEMBED are added:
* PYEXT: for compiling python extensions
* PYEMBED: for embedding a python interpreter
"""
# FIXME rewrite
if not conf.env['CC_NAME'] and not conf.env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not conf.env['PYTHON_VERSION']:
conf.check_python_version()
env = conf.env
pybin = conf.env.PYTHON
if not pybin:
conf.fatal('could not find the python executable')
v = 'prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS'.split(
)
try:
lst = conf.get_python_variables(
["get_config_var('%s') or ''" % x for x in v],
['from distutils.sysconfig import get_config_var'])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%r\n" %
(pybin, '\n'.join(vals)))
dct = dict(zip(v, lst))
x = 'MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
conf.env[x] = conf.environ[x] = dct[x]
env['pyext_PATTERN'] = '%s' + dct['SO'] # not a mistake
# Check for python libraries for embedding
all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEMBED')
conf.parse_flags(all_flags, 'PYEXT')
result = None
#name = 'python' + env['PYTHON_VERSION']
# TODO simplify this
for name in ('python' + env['PYTHON_VERSION'],
'python' + env['PYTHON_VERSION'].replace('.', '')):
if Utils.is_win32 and name == "python2.7":
name = "python27"
print "walif/tools/python.py: python hack for windows"
#name.replace('.', '')
# LIBPATH_PYEMBED is already set; see if it works.
if not result and env['LIBPATH_PYEMBED']:
path = env['LIBPATH_PYEMBED']
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(
lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in LIBPATH_PYEMBED' % name)
if not result and dct['LIBDIR']:
path = [dct['LIBDIR']]
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in LIBDIR' % name)
if not result and dct['LIBPL']:
path = [dct['LIBPL']]
conf.to_log(
"\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n"
)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in python_LIBPL' %
name)
if not result:
path = [os.path.join(dct['prefix'], "libs")]
conf.to_log(
"\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n"
)
result = conf.check(lib=name,
uselib='PYEMBED',
libpath=path,
mandatory=False,
msg='Checking for library %s in $prefix/libs' %
name)
if result:
break # do not forget to set LIBPATH_PYEMBED
if result:
env['LIBPATH_PYEMBED'] = path
env.append_value('LIB_PYEMBED', [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
# under certain conditions, python extensions must link to
# python libraries, not just python embedding programs.
if (Utils.is_win32 or sys.platform.startswith('os2')
or sys.platform == 'darwin' or dct['Py_ENABLE_SHARED']):
env['LIBPATH_PYEXT'] = env['LIBPATH_PYEMBED']
env['LIB_PYEXT'] = env['LIB_PYEMBED']
# We check that pythonX.Y-config exists, and if it exists we
# use it to get only the includes, else fall back to distutils.
num = '.'.join(env['PYTHON_VERSION'].split('.')[:2])
conf.find_program([
'python%s-config' % num,
'python-config-%s' % num,
'python%sm-config' % num
],
var='PYTHON_CONFIG',
mandatory=False)
includes = []
if conf.env.PYTHON_CONFIG:
for incstr in conf.cmd_and_log([conf.env.PYTHON_CONFIG,
'--includes']).strip().split():
# strip the -I or /I
if (incstr.startswith('-I') or incstr.startswith('/I')):
incstr = incstr[2:]
# append include path, unless already given
if incstr not in includes:
includes.append(incstr)
conf.to_log("Include path for Python extensions "
"(found via python-config --includes): %r\n" %
(includes, ))
env['INCLUDES_PYEXT'] = includes
env['INCLUDES_PYEMBED'] = includes
else:
conf.to_log("Include path for Python extensions "
"(found via distutils module): %r\n" %
(dct['INCLUDEPY'], ))
env['INCLUDES_PYEXT'] = [dct['INCLUDEPY']]
env['INCLUDES_PYEMBED'] = [dct['INCLUDEPY']]
# Code using the Python API needs to be compiled with -fno-strict-aliasing
if env['CC_NAME'] == 'gcc':
env.append_value('CFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env['CXX_NAME'] == 'gcc':
env.append_value('CXXFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT', ['-fno-strict-aliasing'])
# See if it compiles
try:
conf.check(header_name='Python.h',
define_name='HAVE_PYTHON_H',
uselib='PYEMBED',
fragment=FRAG,
errmsg='Could not find the python development headers')
except conf.errors.ConfigurationError:
# python3.2, oh yeah
conf.check_cfg(path=conf.env.PYTHON_CONFIG,
package='',
uselib_store='PYEMBED',
args=['--cflags', '--libs'])
conf.check(
header_name='Python.h',
define_name='HAVE_PYTHON_H',
msg='Getting the python flags from python-config',
uselib='PYEMBED',
fragment=FRAG,
errmsg='Could not find the python development headers elsewhere')
def check_python_headers(conf):
env = conf.env
if not env["CC_NAME"] and not env["CXX_NAME"]:
conf.fatal("load a compiler first (gcc, g++, ..)")
if not env["PYTHON_VERSION"]:
conf.check_python_version()
pybin = conf.env.PYTHON
if not pybin:
conf.fatal("Could not find the python executable")
v = "prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS".split()
try:
lst = conf.get_python_variables(["get_config_var('%s') or ''" % x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ["%s = %r" % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%r\n" % (pybin, "\n".join(vals)))
dct = dict(zip(v, lst))
x = "MACOSX_DEPLOYMENT_TARGET"
if dct[x]:
conf.env[x] = conf.environ[x] = dct[x]
env["pyext_PATTERN"] = "%s" + dct["SO"]
all_flags = dct["LDFLAGS"] + " " + dct["CFLAGS"]
conf.parse_flags(all_flags, "PYEMBED")
all_flags = dct["LDFLAGS"] + " " + dct["LDSHARED"] + " " + dct["CFLAGS"]
conf.parse_flags(all_flags, "PYEXT")
result = None
for name in (
"python" + env["PYTHON_VERSION"],
"python" + env["PYTHON_VERSION"] + "m",
"python" + env["PYTHON_VERSION"].replace(".", ""),
):
if not result and env["LIBPATH_PYEMBED"]:
path = env["LIBPATH_PYEMBED"]
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in LIBPATH_PYEMBED" % name,
)
if not result and dct["LIBDIR"]:
path = [dct["LIBDIR"]]
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in LIBDIR" % name,
)
if not result and dct["LIBPL"]:
path = [dct["LIBPL"]]
conf.to_log(
"\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n"
)
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in python_LIBPL" % name,
)
if not result:
path = [os.path.join(dct["prefix"], "libs")]
conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in $prefix/libs" % name,
)
if result:
break
if result:
env["LIBPATH_PYEMBED"] = path
env.append_value("LIB_PYEMBED", [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
if Utils.is_win32 or sys.platform.startswith("os2") or dct["Py_ENABLE_SHARED"]:
env["LIBPATH_PYEXT"] = env["LIBPATH_PYEMBED"]
env["LIB_PYEXT"] = env["LIB_PYEMBED"]
num = ".".join(env["PYTHON_VERSION"].split(".")[:2])
conf.find_program(
["".join(pybin) + "-config", "python%s-config" % num, "python-config-%s" % num, "python%sm-config" % num],
var="PYTHON_CONFIG",
display_name="python-config",
mandatory=False,
)
includes = []
if conf.env.PYTHON_CONFIG:
for incstr in conf.cmd_and_log([conf.env.PYTHON_CONFIG, "--includes"]).strip().split():
if incstr.startswith("-I") or incstr.startswith("/I"):
incstr = incstr[2:]
if incstr not in includes:
includes.append(incstr)
conf.to_log("Include path for Python extensions (found via python-config --includes): %r\n" % (includes,))
env["INCLUDES_PYEXT"] = includes
env["INCLUDES_PYEMBED"] = includes
else:
conf.to_log("Include path for Python extensions " "(found via distutils module): %r\n" % (dct["INCLUDEPY"],))
env["INCLUDES_PYEXT"] = [dct["INCLUDEPY"]]
env["INCLUDES_PYEMBED"] = [dct["INCLUDEPY"]]
if env["CC_NAME"] == "gcc":
env.append_value("CFLAGS_PYEMBED", ["-fno-strict-aliasing"])
env.append_value("CFLAGS_PYEXT", ["-fno-strict-aliasing"])
if env["CXX_NAME"] == "gcc":
env.append_value("CXXFLAGS_PYEMBED", ["-fno-strict-aliasing"])
env.append_value("CXXFLAGS_PYEXT", ["-fno-strict-aliasing"])
if env.CC_NAME == "msvc":
from distutils.msvccompiler import MSVCCompiler
dist_compiler = MSVCCompiler()
dist_compiler.initialize()
env.append_value("CFLAGS_PYEXT", dist_compiler.compile_options)
env.append_value("CXXFLAGS_PYEXT", dist_compiler.compile_options)
env.append_value("LINKFLAGS_PYEXT", dist_compiler.ldflags_shared)
try:
conf.check(header_name="Python.h", define_name="HAVE_PYTHON_H", uselib="PYEMBED", fragment=FRAG, errmsg=":-(")
except conf.errors.ConfigurationError:
xx = conf.env.CXX_NAME and "cxx" or "c"
flags = ["--cflags", "--libs", "--ldflags"]
for f in flags:
conf.check_cfg(
msg="Asking python-config for pyembed %s flags" % f,
path=conf.env.PYTHON_CONFIG,
package="",
uselib_store="PYEMBED",
args=[f],
)
conf.check(
header_name="Python.h",
define_name="HAVE_PYTHON_H",
msg="Getting pyembed flags from python-config",
fragment=FRAG,
errmsg="Could not build a python embedded interpreter",
features="%s %sprogram pyembed" % (xx, xx),
)
for f in flags:
conf.check_cfg(
msg="Asking python-config for pyext %s flags" % f,
path=conf.env.PYTHON_CONFIG,
package="",
uselib_store="PYEXT",
args=[f],
)
conf.check(
header_name="Python.h",
define_name="HAVE_PYTHON_H",
msg="Getting pyext flags from python-config",
features="%s %sshlib pyext" % (xx, xx),
fragment=FRAG,
errmsg="Could not build python extensions",
)
def check_python_version(conf, minver=None):
"""
Check if the python interpreter is found matching a given minimum version.
minver should be a tuple, eg. to check for python >= 2.4.2 pass (2,4,2) as minver.
If successful, PYTHON_VERSION is defined as 'MAJOR.MINOR'
(eg. '2.4') of the actual python version found, and PYTHONDIR is
defined, pointing to the site-packages directory appropriate for
this python version, where modules/packages/extensions should be
installed.
:param minver: minimum version
:type minver: tuple of int
"""
assert minver is None or isinstance(minver, tuple)
pybin = conf.env.PYTHON
if not pybin:
conf.fatal('could not find the python executable')
# Get python version string
cmd = pybin + [
'-c', 'import sys\nfor x in sys.version_info: print(str(x))'
]
Logs.debug('python: Running python command %r', cmd)
lines = conf.cmd_and_log(cmd).split()
assert len(lines) == 5, "found %r lines, expected 5: %r" % (len(lines),
lines)
pyver_tuple = (int(lines[0]), int(lines[1]), int(lines[2]), lines[3],
int(lines[4]))
# Compare python version with the minimum required
result = (minver is None) or (pyver_tuple >= minver)
if result:
# define useful environment variables
pyver = '.'.join([str(x) for x in pyver_tuple[:2]])
conf.env.PYTHON_VERSION = pyver
if 'PYTHONDIR' in conf.env:
# Check if --pythondir was specified
pydir = conf.env.PYTHONDIR
elif 'PYTHONDIR' in conf.environ:
# Check environment for PYTHONDIR
pydir = conf.environ['PYTHONDIR']
else:
# Finally, try to guess
if Utils.is_win32:
(python_LIBDEST, pydir) = conf.get_python_variables([
"get_config_var('LIBDEST') or ''",
"get_python_lib(standard_lib=0) or ''"
])
else:
python_LIBDEST = None
(pydir, ) = conf.get_python_variables([
"get_python_lib(standard_lib=0, prefix=%r) or ''" %
conf.env.PREFIX
])
if python_LIBDEST is None:
if conf.env.LIBDIR:
python_LIBDEST = os.path.join(conf.env.LIBDIR,
'python' + pyver)
else:
python_LIBDEST = os.path.join(conf.env.PREFIX, 'lib',
'python' + pyver)
if 'PYTHONARCHDIR' in conf.env:
# Check if --pythonarchdir was specified
pyarchdir = conf.env.PYTHONARCHDIR
elif 'PYTHONARCHDIR' in conf.environ:
# Check environment for PYTHONDIR
pyarchdir = conf.environ['PYTHONARCHDIR']
else:
# Finally, try to guess
(pyarchdir, ) = conf.get_python_variables([
"get_python_lib(plat_specific=1, standard_lib=0, prefix=%r) or ''"
% conf.env.PREFIX
])
if not pyarchdir:
pyarchdir = pydir
if hasattr(conf, 'define'
): # conf.define is added by the C tool, so may not exist
conf.define('PYTHONDIR', pydir)
conf.define('PYTHONARCHDIR', pyarchdir)
conf.env.PYTHONDIR = pydir
conf.env.PYTHONARCHDIR = pyarchdir
# Feedback
pyver_full = '.'.join(map(str, pyver_tuple[:3]))
if minver is None:
conf.msg('Checking for python version', pyver_full)
else:
minver_str = '.'.join(map(str, minver))
conf.msg('Checking for python version >= %s' % (minver_str, ),
pyver_full,
color=result and 'GREEN' or 'YELLOW')
if not result:
conf.fatal('The python version is too old, expecting %r' % (minver, ))
def check_python_headers(conf, features="pyembed pyext"):
"""
Check for headers and libraries necessary to extend or embed python by using the module *distutils*.
On success the environment variables xxx_PYEXT and xxx_PYEMBED are added:
* PYEXT: for compiling python extensions
* PYEMBED: for embedding a python interpreter
"""
features = Utils.to_list(features)
assert ("pyembed" in features) or (
"pyext" in features
), "check_python_headers features must include 'pyembed' and/or 'pyext'"
env = conf.env
if not env["CC_NAME"] and not env["CXX_NAME"]:
conf.fatal("load a compiler first (gcc, g++, ..)")
# bypass all the code below for cross-compilation
if conf.python_cross_compile(features):
return
if not env["PYTHON_VERSION"]:
conf.check_python_version()
pybin = env.PYTHON
if not pybin:
conf.fatal("Could not find the python executable")
# so we actually do all this for compatibility reasons and for obtaining pyext_PATTERN below
v = "prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS LDVERSION".split()
try:
lst = conf.get_python_variables(["get_config_var('%s') or ''" % x for x in v])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ["%s = %r" % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%s\n" % (pybin, "\n".join(vals)))
dct = dict(zip(v, lst))
x = "MACOSX_DEPLOYMENT_TARGET"
if dct[x]:
env[x] = conf.environ[x] = dct[x]
env["pyext_PATTERN"] = "%s" + dct["SO"] # not a mistake
# Try to get pythonX.Y-config
num = ".".join(env["PYTHON_VERSION"].split(".")[:2])
conf.find_program(
["".join(pybin) + "-config", "python%s-config" % num, "python-config-%s" % num, "python%sm-config" % num],
var="PYTHON_CONFIG",
msg="python-config",
mandatory=False,
)
if env.PYTHON_CONFIG:
# python2.6-config requires 3 runs
all_flags = [["--cflags", "--libs", "--ldflags"]]
if sys.hexversion < 0x2070000:
all_flags = [[k] for k in all_flags[0]]
xx = env.CXX_NAME and "cxx" or "c"
if "pyembed" in features:
for flags in all_flags:
conf.check_cfg(
msg="Asking python-config for pyembed %r flags" % " ".join(flags),
path=env.PYTHON_CONFIG,
package="",
uselib_store="PYEMBED",
args=flags,
)
conf.check(
header_name="Python.h",
define_name="HAVE_PYEMBED",
msg="Getting pyembed flags from python-config",
fragment=FRAG,
errmsg="Could not build a python embedded interpreter",
features="%s %sprogram pyembed" % (xx, xx),
)
if "pyext" in features:
for flags in all_flags:
conf.check_cfg(
msg="Asking python-config for pyext %r flags" % " ".join(flags),
path=env.PYTHON_CONFIG,
package="",
uselib_store="PYEXT",
args=flags,
)
conf.check(
header_name="Python.h",
define_name="HAVE_PYEXT",
msg="Getting pyext flags from python-config",
features="%s %sshlib pyext" % (xx, xx),
fragment=FRAG,
errmsg="Could not build python extensions",
)
conf.define("HAVE_PYTHON_H", 1)
return
# No python-config, do something else on windows systems
all_flags = dct["LDFLAGS"] + " " + dct["CFLAGS"]
conf.parse_flags(all_flags, "PYEMBED")
all_flags = dct["LDFLAGS"] + " " + dct["LDSHARED"] + " " + dct["CFLAGS"]
conf.parse_flags(all_flags, "PYEXT")
result = None
if not dct["LDVERSION"]:
dct["LDVERSION"] = env["PYTHON_VERSION"]
# further simplification will be complicated
for name in (
"python" + dct["LDVERSION"],
"python" + env["PYTHON_VERSION"] + "m",
"python" + env["PYTHON_VERSION"].replace(".", ""),
):
# LIBPATH_PYEMBED is already set; see if it works.
if not result and env["LIBPATH_PYEMBED"]:
path = env["LIBPATH_PYEMBED"]
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in LIBPATH_PYEMBED" % name,
)
if not result and dct["LIBDIR"]:
path = [dct["LIBDIR"]]
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in LIBDIR" % name,
)
if not result and dct["LIBPL"]:
path = [dct["LIBPL"]]
conf.to_log(
"\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n"
)
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in python_LIBPL" % name,
)
if not result:
path = [os.path.join(dct["prefix"], "libs")]
conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
result = conf.check(
lib=name,
uselib="PYEMBED",
libpath=path,
mandatory=False,
msg="Checking for library %s in $prefix/libs" % name,
)
if result:
break # do not forget to set LIBPATH_PYEMBED
if result:
env["LIBPATH_PYEMBED"] = path
env.append_value("LIB_PYEMBED", [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
# under certain conditions, python extensions must link to
# python libraries, not just python embedding programs.
if Utils.is_win32 or dct["Py_ENABLE_SHARED"]:
env["LIBPATH_PYEXT"] = env["LIBPATH_PYEMBED"]
env["LIB_PYEXT"] = env["LIB_PYEMBED"]
conf.to_log("Include path for Python extensions (found via distutils module): %r\n" % (dct["INCLUDEPY"],))
env["INCLUDES_PYEXT"] = [dct["INCLUDEPY"]]
env["INCLUDES_PYEMBED"] = [dct["INCLUDEPY"]]
# Code using the Python API needs to be compiled with -fno-strict-aliasing
if env["CC_NAME"] == "gcc":
env.append_value("CFLAGS_PYEMBED", ["-fno-strict-aliasing"])
env.append_value("CFLAGS_PYEXT", ["-fno-strict-aliasing"])
if env["CXX_NAME"] == "gcc":
env.append_value("CXXFLAGS_PYEMBED", ["-fno-strict-aliasing"])
env.append_value("CXXFLAGS_PYEXT", ["-fno-strict-aliasing"])
if env.CC_NAME == "msvc":
from distutils.msvccompiler import MSVCCompiler
dist_compiler = MSVCCompiler()
dist_compiler.initialize()
env.append_value("CFLAGS_PYEXT", dist_compiler.compile_options)
env.append_value("CXXFLAGS_PYEXT", dist_compiler.compile_options)
env.append_value("LINKFLAGS_PYEXT", dist_compiler.ldflags_shared)
# See if it compiles
conf.check(
header_name="Python.h",
define_name="HAVE_PYTHON_H",
uselib="PYEMBED",
fragment=FRAG,
errmsg="Distutils not installed? Broken python installation? Get python-config now!",
)
def check_python_version(conf, minver=None):
"""
Check if the python interpreter is found matching a given minimum version.
minver should be a tuple, eg. to check for python >= 2.4.2 pass (2,4,2) as minver.
If successful, PYTHON_VERSION is defined as 'MAJOR.MINOR'
(eg. '2.4') of the actual python version found, and PYTHONDIR is
defined, pointing to the site-packages directory appropriate for
this python version, where modules/packages/extensions should be
installed.
:param minver: minimum version
:type minver: tuple of int
"""
assert minver is None or isinstance(minver, tuple)
pybin = conf.env['PYTHON']
if not pybin:
conf.fatal('could not find the python executable')
# Get python version string
cmd = pybin + ['-c', 'import sys\nfor x in sys.version_info: print(str(x))']
Logs.debug('python: Running python command %r' % cmd)
lines = conf.cmd_and_log(cmd).split()
assert len(lines) == 5, "found %i lines, expected 5: %r" % (len(lines), lines)
pyver_tuple = (int(lines[0]), int(lines[1]), int(lines[2]), lines[3], int(lines[4]))
# compare python version with the minimum required
result = (minver is None) or (pyver_tuple >= minver)
if result:
# define useful environment variables
pyver = '.'.join([str(x) for x in pyver_tuple[:2]])
conf.env['PYTHON_VERSION'] = pyver
if 'PYTHONDIR' in conf.environ:
pydir = conf.environ['PYTHONDIR']
else:
if Utils.is_win32:
(python_LIBDEST, pydir) = conf.get_python_variables(
["get_config_var('LIBDEST') or ''",
"get_python_lib(standard_lib=0, prefix=%r) or ''" % conf.env['PREFIX']])
else:
python_LIBDEST = None
(pydir,) = conf.get_python_variables( ["get_python_lib(standard_lib=0, prefix=%r) or ''" % conf.env['PREFIX']])
if python_LIBDEST is None:
if conf.env['LIBDIR']:
python_LIBDEST = os.path.join(conf.env['LIBDIR'], "python" + pyver)
else:
python_LIBDEST = os.path.join(conf.env['PREFIX'], "lib", "python" + pyver)
if 'PYTHONARCHDIR' in conf.environ:
pyarchdir = conf.environ['PYTHONARCHDIR']
else:
(pyarchdir, ) = conf.get_python_variables( ["get_python_lib(plat_specific=1, standard_lib=0, prefix=%r) or ''" % conf.env['PREFIX']])
if not pyarchdir:
pyarchdir = pydir
if hasattr(conf, 'define'): # conf.define is added by the C tool, so may not exist
conf.define('PYTHONDIR', pydir)
conf.define('PYTHONARCHDIR', pyarchdir)
conf.env['PYTHONDIR'] = pydir
conf.env['PYTHONARCHDIR'] = pyarchdir
# Feedback
pyver_full = '.'.join(map(str, pyver_tuple[:3]))
if minver is None:
conf.msg('Checking for python version', pyver_full)
else:
minver_str = '.'.join(map(str, minver))
conf.msg('Checking for python version', pyver_tuple, ">= %s" % (minver_str,) and 'GREEN' or 'YELLOW')
if not result:
conf.fatal('The python version is too old, expecting %r' % (minver,))
def check_python_headers(conf):
"""Check for headers and libraries necessary to extend or embed python.
On success the environment variables xxx_PYEXT and xxx_PYEMBED are added for uselib
PYEXT: for compiling python extensions
PYEMBED: for embedding a python interpreter"""
if not conf.env['CC_NAME'] and not conf.env['CXX_NAME']:
conf.fatal('load a compiler first (gcc, g++, ..)')
if not conf.env['PYTHON_VERSION']:
conf.check_python_version()
env = conf.env
python = env['PYTHON']
if not python:
conf.fatal('could not find the python executable')
v = 'prefix SO LDFLAGS LIBDIR LIBPL INCLUDEPY Py_ENABLE_SHARED MACOSX_DEPLOYMENT_TARGET LDSHARED CFLAGS'.split()
try:
lst = conf.get_python_variables(python, ["get_config_var('%s')" % x for x in v],
['from distutils.sysconfig import get_config_var'])
except RuntimeError:
conf.fatal("Python development headers not found (-v for details).")
vals = ['%s = %r' % (x, y) for (x, y) in zip(v, lst)]
conf.to_log("Configuration returned from %r:\n%r\n" % (python, '\n'.join(vals)))
dct = dict(zip(v, lst))
x = 'MACOSX_DEPLOYMENT_TARGET'
if dct[x]:
conf.env[x] = conf.environ[x] = dct[x]
env['pyext_PATTERN'] = '%s' + dct['SO'] # not a mistake
# Check for python libraries for embedding
all_flags = dct['LDFLAGS'] + ' ' + dct['LDSHARED'] + ' ' + dct['CFLAGS']
conf.parse_flags(all_flags, 'PYEMBED')
conf.parse_flags(all_flags, 'PYEXT')
result = None
name = 'python' + env['PYTHON_VERSION']
# LIBPATH_PYEMBED is already set; see if it works.
path = env['LIBPATH_PYEMBED']
conf.to_log("\n\n# Trying default LIBPATH_PYEMBED: %r\n" % path)
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False)
if not result:
conf.to_log("\n\n# try again with -L$python_LIBDIR: %r\n" % path)
path = [dct['LIBDIR'] or '']
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False)
if not result:
conf.to_log("\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n")
path = [dct['LIBPL'] or '']
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False)
if not result:
conf.to_log("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
path = [os.path.join(dct['prefix'], "libs")]
name = 'python' + env['PYTHON_VERSION'].replace('.', '')
result = conf.check(lib=name, uselib='PYEMBED', libpath=path, mandatory=False)
if result:
env['LIBPATH_PYEMBED'] = path
env.append_value('LIB_PYEMBED', [name])
else:
conf.to_log("\n\n### LIB NOT FOUND\n")
# under certain conditions, python extensions must link to
# python libraries, not just python embedding programs.
if (sys.platform == 'win32' or sys.platform.startswith('os2')
or sys.platform == 'darwin' or dct['Py_ENABLE_SHARED']):
env['LIBPATH_PYEXT'] = env['LIBPATH_PYEMBED']
env['LIB_PYEXT'] = env['LIB_PYEMBED']
# We check that pythonX.Y-config exists, and if it exists we
# use it to get only the includes, else fall back to distutils.
num = '.'.join(env['PYTHON_VERSION'].split('.')[:2])
try:
conf.find_program(
'python%s-config' % num,
var='PYTHON_CONFIG')
except conf.errors.ConfigurationError:
conf.find_program(
'python-config-%s' % num,
var='PYTHON_CONFIG', mandatory=False)
includes = []
if conf.env.PYTHON_CONFIG:
for incstr in conf.cmd_and_log("%s %s --includes" % (python, conf.env.PYTHON_CONFIG)).strip().split():
# strip the -I or /I
if (incstr.startswith('-I') or incstr.startswith('/I')):
incstr = incstr[2:]
# append include path, unless already given
if incstr not in includes:
includes.append(incstr)
conf.to_log("Include path for Python extensions "
"(found via python-config --includes): %r\n" % (includes,))
env['INCLUDES_PYEXT'] = includes
env['INCLUDES_PYEMBED'] = includes
else:
conf.to_log("Include path for Python extensions "
"(found via distutils module): %r\n" % (dct['INCLUDEPY'],))
env['INCLUDES_PYEXT'] = [dct['INCLUDEPY']]
env['INCLUDES_PYEMBED'] = [dct['INCLUDEPY']]
# Code using the Python API needs to be compiled with -fno-strict-aliasing
if env['CC_NAME'] == 'gcc':
env.append_value('CFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CFLAGS_PYEXT', ['-fno-strict-aliasing'])
if env['CXX_NAME'] == 'gcc':
env.append_value('CXXFLAGS_PYEMBED', ['-fno-strict-aliasing'])
env.append_value('CXXFLAGS_PYEXT', ['-fno-strict-aliasing'])
# See if it compiles
conf.check(header_name='Python.h', define_name='HAVE_PYTHON_H',
uselib='PYEMBED', fragment=FRAG,
errmsg='Could not find the python development headers')