def checkCompiler(env):
conf = Configure(env.Clone(), custom_tests = {'CheckComplexAcos': CheckComplexAcos})
if 'CheckCXX' in dir(conf): # exists since scons 1.1.0
if not conf.CheckCXX():
print("Cannot run C++ compiler '%s' (check config.log)" % (env['CXX']))
env.Exit(1)
else:
if not conf.CheckFunc('printf', language='c++'):
print("Cannot run C++ compiler '%s' (check config.log)" % (env['CXX']))
env.Exit(1)
conf.env['buildvars']['cxx']=conf.env['CXX']
if conf.CheckFunc('gethostname', language='c++'):
conf.env.Append(CPPDEFINES = ['HAVE_GETHOSTNAME'])
if conf.CheckCXXHeader('byteswap.h'):
checkhdr="""#include <byteswap.h>
#define SCbswap32() {int x=0;bswap_32(x);}"""
if conf.CheckFunc('SCbswap32', header=checkhdr, language='c++'):
conf.env.Append(CPPDEFINES = ['HAVE_BYTESWAP_H'])
if conf.CheckCXXHeader('sys/endian.h'):
conf.env.Append(CPPDEFINES = ['HAVE_SYS_ENDIAN_H'])
if conf.CheckCXXHeader('libkern/OSByteOrder.h'):
conf.env.Append(CPPDEFINES = ['HAVE_OSBYTEORDER_H'])
if not conf.CheckComplexAcos():
conf.env.Append(CPPDEFINES = ['ESYS_USE_BOOST_ACOS'])
return conf.Finish()
def checkPython(env):
# First we check to see if the config file has specified
# where to find the file. Ideally, this should be automatic
# but we need to deal with the case where python is not in its INSTALL
# directory.
# Use the python scons is running
if env['pythoncmd'] == sys.executable:
if env['IS_WINDOWS']:
python_inc_path=sysconfig.get_python_inc()
python_lib_path=os.path.join(sysconfig.get_config_var('prefix'), 'libs')
python_libs=['python%s%s'%(sys.version_info[0], sys.version_info[1])]
verstring=".".join([str(i) for i in sys.version_info[:3]])
else:
(python_lib_path, python_libs,verstring, python_inc_path)=call_python_config()
# if we want to use a python other than the one scons is running
# Note: we assume scons is running python 2 in the following.
else:
(python_lib_path, python_libs,verstring, python_inc_path)=call_python_config(env['pythoncmd'])
env['python_version'] = verstring
ispython3 = (verstring[0] == '3')
if ispython3:
env.Append(CPPDEFINES=['ESPYTHON3'])
env['buildvars']['python_version'] = verstring
env['buildvars']['python'] = env['pythoncmd']
# Check for an override from the config file.
# Ideally, this should be automatic but we need to deal with the case
# where python is not in its INSTALL directory
if env['pythonlibpath'] != '':
python_lib_path = env['pythonlibpath']
if env['pythonincpath'] != '':
python_inc_path = env['pythonincpath']
if env['pythonlibname'] != '':
python_libs = env['pythonlibname']
conf = Configure(env.Clone())
if env['sysheaderopt'] == '':
conf.env.AppendUnique(CPPPATH = [python_inc_path])
else:
conf.env.Append(CCFLAGS = [env['sysheaderopt'], python_inc_path])
conf.env.AppendUnique(LIBPATH = [python_lib_path])
conf.env.AppendUnique(LIBS = python_libs)
# The wrapper script needs to find the libs
conf.env.PrependENVPath(env['LD_LIBRARY_PATH_KEY'], python_lib_path)
if not conf.CheckCXXHeader('Python.h'):
print("Cannot find python include files (tried 'Python.h' in directory %s)" % (python_inc_path))
env.Exit(1)
if not conf.CheckFunc('Py_Exit', language='c++'):
print("Cannot find python library method Py_Exit (tried %s in directory %s)" % (python_libs, python_lib_path))
env.Exit(1)
return conf.Finish()
def checkPython(env):
# First we check to see if the config file has specified
# where to find the file. Ideally, this should be automatic
# but we need to deal with the case where python is not in its INSTALL
# directory.
# Use the python scons is running
if env['pythoncmd'] == sys.executable:
if env['IS_WINDOWS']:
python_inc_path = sysconfig.get_python_inc()
python_lib_path = os.path.join(sysconfig.get_config_var('prefix'),
'libs')
python_libs = [
'python%s%s' % (sys.version_info[0], sys.version_info[1])
]
verstring = ".".join([str(i) for i in sys.version_info[:3]])
else:
(python_lib_path, python_libs, verstring,
python_inc_path) = call_python_config(env['pythoncmd'])
# if we want to use a python other than the one scons is running
# Note: we assume scons is running python 2 in the following.
else:
if env['IS_WINDOWS']:
cmd = "import os, sys\n"
cmd += "from distutils import sysconfig\n"
cmd += "print(sysconfig.get_python_inc())\n"
cmd += "print(os.path.join(sysconfig.get_config_var('prefix'), 'libs'))\n"
cmd += "print('python%s%s'%(sys.version_info[0], sys.version_info[1]))\n"
cmd += "print('.'.join([str(i) for i in sys.version_info[:3]]))"
pout = subprocess.Popen([env['pythoncmd'], '-c', cmd],
stdout=subprocess.PIPE).stdout.read()
if isinstance(pout, bytes):
pout = pout.decode(sys.stdout.encoding)
lines = pout.split('\n')
python_inc_path = lines[0].strip()
python_lib_path = lines[1].strip()
python_libs = [lines[2].strip()]
verstring = lines[3].strip()
else:
(python_lib_path, python_libs, verstring,
python_inc_path) = call_python_config(env['pythoncmd'])
if sys.version_info[0] == 3:
if isinstance(verstring, str) is False:
verstring = str(verstring, 'utf-8')
else:
if isinstance(verstring, basestring) is False:
verstring = str(verstring, 'utf-8')
env['python_version'] = verstring
try:
ispython3 = (verstring[0] == '3')
except:
ispython3 = sys.version_info[0] == 3
if ispython3:
env.Append(CPPDEFINES=['ESPYTHON3'])
env['buildvars']['python_version'] = verstring
env['buildvars']['python'] = env['pythoncmd']
# Check for an override from the config file.
# Ideally, this should be automatic but we need to deal with the case
# where python is not in its INSTALL directory
if env['pythonlibpath'] != '':
python_lib_path = env['pythonlibpath']
if env['pythonincpath'] != '':
python_inc_path = env['pythonincpath']
if env['pythonlibname'] != '':
python_libs = env['pythonlibname']
conf = Configure(env.Clone())
if env['sysheaderopt'] == '':
conf.env.AppendUnique(CPPPATH=[python_inc_path])
else:
conf.env.Append(CCFLAGS=[env['sysheaderopt'], python_inc_path])
conf.env.AppendUnique(LIBPATH=[python_lib_path])
conf.env.AppendUnique(LIBS=python_libs)
# The wrapper script needs to find the libs
conf.env.PrependENVPath(env['LD_LIBRARY_PATH_KEY'], python_lib_path)
if not conf.CheckCXXHeader('Python.h'):
print(
"Cannot find python include files (tried 'Python.h' in directory %s)"
% (python_inc_path))
env.Exit(1)
if not conf.CheckFunc('Py_Exit', language='c++'):
print(
"Cannot find python library method Py_Exit (tried %s in directory %s)"
% (python_libs, python_lib_path))
env.Exit(1)
return conf.Finish()