def pkg_check_modules(conf,uselib_name,expression,mandatory=True):
pkg_config=conf.env['PKG_CONFIG']
if not pkg_config:
if mandatory:
conf.fatal("pkg-config is not available")
else:
return False
argv=[pkg_config,'--cflags','--libs',expression]
cmd=subprocess.Popen(argv,stdout=subprocess.PIPE)
out,dummy=cmd.communicate()
retval=cmd.wait()
msg_checking=("pkg-config flags for %s"%(uselib_name,))
if Options.options.verbose:
if retval==0:
conf.check_message_custom(msg_checking,('(%s)'%expression),out)
else:
conf.check_message(msg_checking,('(%s)'%expression),False)
else:
conf.check_message(msg_checking,'',(retval==0),'')
conf.log.write('%r: %r (exit code %i)\n'%(argv,out,retval))
if retval==0:
config_c.parse_flags(out,uselib_name,conf.env)
conf.env[uselib_name]=True
return True
else:
conf.env[uselib_name]=False
if mandatory:
raise Configure.ConfigurationError('pkg-config check failed')
else:
return False
def detect_ode(conf):
env = conf.env
opt = Options.options
ret = conf.find_program('ode-config')
conf.check_message_1('Checking for ODE (optional)')
if not ret:
conf.check_message_2('not found', 'YELLOW')
return 0
conf.check_message_2('ok')
res = commands.getoutput('ode-config --cflags --libs')
config_c.parse_flags(res, 'ODE', env)
return 1
def detect_ode(conf):
env = conf.env
opt = Options.options
ret = conf.find_program('ode-config')
conf.check_message_1('Checking for ODE')
if not ret:
conf.check_message_2('not found', 'RED')
return 0
conf.check_message_2('ok')
res = commands.getoutput('ode-config --cflags --libs')
config_c.parse_flags(res, 'ODE', env)
return 1
def check_python_headers(conf, mandatory=True):
"""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 LDVERSION'.split()
(python_prefix, python_SO, python_SYSLIBS, python_LDFLAGS, python_SHLIBS,
python_LIBDIR, python_LIBPL, INCLUDEPY, Py_ENABLE_SHARED,
python_MACOSX_DEPLOYMENT_TARGET, python_LDVERSION) = \
_get_python_variables(python, ["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).")
conf.log.write("""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
LDVERSION = %r
""" % (python, python_prefix, python_SO, python_SYSLIBS, python_LDFLAGS, python_SHLIBS,
python_LIBDIR, python_LIBPL, INCLUDEPY, Py_ENABLE_SHARED, python_MACOSX_DEPLOYMENT_TARGET,
python_LDVERSION))
# Allow some python overrides from env vars for cross-compiling
os_env = dict(os.environ)
override_python_LDFLAGS = os_env.get('python_LDFLAGS', None)
if override_python_LDFLAGS is not None:
conf.log.write("python_LDFLAGS override from environment = %r\n" % (override_python_LDFLAGS))
python_LDFLAGS = override_python_LDFLAGS
override_python_LIBDIR = os_env.get('python_LIBDIR', None)
if override_python_LIBDIR is not None:
conf.log.write("python_LIBDIR override from environment = %r\n" % (override_python_LIBDIR))
python_LIBDIR = override_python_LIBDIR
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'):
env.append_value('LIB_PYEMBED', lib[2:]) # strip '-l'
else:
env.append_value('LINKFLAGS_PYEMBED', lib)
if Options.platform != 'darwin' and python_LDFLAGS:
parse_flags(python_LDFLAGS, 'PYEMBED', env)
result = False
if not python_LDVERSION:
python_LDVERSION = env['PYTHON_VERSION']
name = 'python' + python_LDVERSION
if python_LIBDIR is not None:
path = [python_LIBDIR]
conf.log.write("\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.log.write("\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n")
path = [python_LIBPL]
result = conf.check(lib=name, uselib='PYEMBED', libpath=path)
if not result:
conf.log.write("\n\n# try again with -L$prefix/libs, and pythonXY name rather than pythonX.Y (win32)\n")
path = [os.path.join(python_prefix, "libs")]
name = 'python' + python_LDVERSION.replace('.', '')
result = conf.check(lib=name, uselib='PYEMBED', libpath=path)
if result:
env['LIBPATH_PYEMBED'] = path
env.append_value('LIB_PYEMBED', name)
else:
conf.log.write("\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 Utils.cmd_output("%s --includes" % (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.log.write("Include path for Python extensions "
"(found via python-config --includes): %r\n" % (includes,))
env['CPPPATH_PYEXT'] = includes
env['CPPPATH_PYEMBED'] = includes
else:
conf.log.write("Include path for Python extensions "
"(found via distutils module): %r\n" % (INCLUDEPY,))
env['CPPPATH_PYEXT'] = [INCLUDEPY]
env['CPPPATH_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(define_name='HAVE_PYTHON_H',
uselib='PYEMBED', fragment=FRAG_2,
errmsg='Could not find the python development headers', mandatory=mandatory)
def check_python_headers(conf, mandatory=True):
"""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) = \
_get_python_variables(python, ["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).")
conf.log.write("""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))
# Allow some python overrides from env vars for cross-compiling
os_env = dict(os.environ)
override_python_LDFLAGS = os_env.get('python_LDFLAGS', None)
if override_python_LDFLAGS is not None:
conf.log.write("python_LDFLAGS override from environment = %r\n" %
(override_python_LDFLAGS))
python_LDFLAGS = override_python_LDFLAGS
override_python_LIBDIR = os_env.get('python_LIBDIR', None)
if override_python_LIBDIR is not None:
conf.log.write("python_LIBDIR override from environment = %r\n" %
(override_python_LIBDIR))
python_LIBDIR = override_python_LIBDIR
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'):
env.append_value('LIB_PYEMBED', lib[2:]) # strip '-l'
else:
env.append_value('LINKFLAGS_PYEMBED', lib)
if Options.platform != 'darwin' and python_LDFLAGS:
parse_flags(python_LDFLAGS, 'PYEMBED', env)
result = False
name = 'python' + env['PYTHON_VERSION']
if python_LIBDIR is not None:
path = [python_LIBDIR]
conf.log.write("\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.log.write(
"\n\n# try again with -L$python_LIBPL (some systems don't install the python library in $prefix/lib)\n"
)
path = [python_LIBPL]
result = conf.check(lib=name, uselib='PYEMBED', libpath=path)
if not result:
conf.log.write(
"\n\n# try again with -L$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.log.write("\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 Utils.cmd_output("%s --includes" %
(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.log.write("Include path for Python extensions "
"(found via python-config --includes): %r\n" %
(includes, ))
env['CPPPATH_PYEXT'] = includes
env['CPPPATH_PYEMBED'] = includes
else:
conf.log.write("Include path for Python extensions "
"(found via distutils module): %r\n" % (INCLUDEPY, ))
env['CPPPATH_PYEXT'] = [INCLUDEPY]
env['CPPPATH_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(define_name='HAVE_PYTHON_H',
uselib='PYEMBED',
fragment=FRAG_2,
errmsg='Could not find the python development headers',
mandatory=mandatory)
