@ -119,7 +119,15 @@ class _PythonDependencyBase(_Base):
self . variables = python_holder . info [ ' variables ' ]
self . paths = python_holder . info [ ' paths ' ]
self . is_pypy = python_holder . info [ ' is_pypy ' ]
self . link_libpython = python_holder . info [ ' link_libpython ' ]
# The "-embed" version of python.pc / python-config was introduced in 3.8,
# and distutils extension linking was changed to be considered a non embed
# usage. Before then, this dependency always uses the embed=True handling
# because that is the only one that exists.
#
# On macOS and some Linux distros (Debian) distutils doesn't link extensions
# against libpython, even on 3.7 and below. We call into distutils and
# mirror its behavior. See https://github.com/mesonbuild/meson/issues/4117
self . link_libpython = python_holder . info [ ' link_libpython ' ] or embed
self . info : T . Optional [ T . Dict [ str , str ] ] = None
if mesonlib . version_compare ( self . version , ' >= 3.0 ' ) :
self . major_version = 3
@ -143,15 +151,8 @@ class PythonPkgConfigDependency(PkgConfigDependency, _PythonDependencyBase):
if libpc and not self . is_found :
mlog . debug ( f ' " python- { self . version } " could not be found in LIBPC, this is likely due to a relocated python installation ' )
# The "-embed" version of python.pc was introduced in 3.8, and distutils
# extension linking was changed to be considered a non embed usage. Before
# then, this dependency always uses the embed=True file because that is the
# only one that exists,
#
# On macOS and some Linux distros (Debian) distutils doesn't link extensions
# against libpython, even on 3.7 and below. We call into distutils and
# mirror its behavior. See https://github.com/mesonbuild/meson/issues/4117
if not self . embed and not self . link_libpython and mesonlib . version_compare ( self . version , ' < 3.8 ' ) :
# pkg-config files are usually accurate starting with python 3.8
if not self . link_libpython and mesonlib . version_compare ( self . version , ' < 3.8 ' ) :
self . link_args = [ ]
@ -170,11 +171,15 @@ class PythonSystemDependency(SystemDependency, _PythonDependencyBase):
SystemDependency . __init__ ( self , name , environment , kwargs )
_PythonDependencyBase . __init__ ( self , installation , kwargs . get ( ' embed ' , False ) )
# link args
if mesonlib . is_windows ( ) :
self . find_libpy_windows ( environment )
# match pkg-config behavior
if self . link_libpython :
# link args
if mesonlib . is_windows ( ) :
self . find_libpy_windows ( environment )
else :
self . find_libpy ( environment )
else :
self . find_libpy ( environment )
self . is_found = True
# compile args
inc_paths = mesonlib . OrderedSet ( [
@ -210,8 +215,7 @@ class PythonSystemDependency(SystemDependency, _PythonDependencyBase):
largs = self . clib_compiler . find_library ( libname , environment , libdirs )
if largs is not None :
self . link_args = largs
self . is_found = largs is not None or not self . link_libpython
self . is_found = True
def get_windows_python_arch ( self ) - > T . Optional [ str ] :
if self . platform == ' mingw ' :