mirror of https://github.com/python/cpython
363 lines
15 KiB
Python
363 lines
15 KiB
Python
"""distutils.ccompiler
|
|
|
|
Contains CCompiler, an abstract base class that defines the interface
|
|
for the Distutils compiler abstraction model."""
|
|
|
|
# created 1999/07/05, Greg Ward
|
|
|
|
__rcsid__ = "$Id$"
|
|
|
|
import os
|
|
from types import *
|
|
from copy import copy
|
|
from distutils.errors import *
|
|
from distutils.spawn import spawn
|
|
|
|
|
|
class CCompiler:
|
|
"""Abstract base class to define the interface that must be implemented
|
|
by real compiler abstraction classes. Might have some use as a
|
|
place for shared code, but it's not yet clear what code can be
|
|
shared between compiler abstraction models for different platforms.
|
|
|
|
The basic idea behind a compiler abstraction class is that each
|
|
instance can be used for all the compile/link steps in building
|
|
a single project. Thus, attributes common to all of those compile
|
|
and link steps -- include directories, macros to define, libraries
|
|
to link against, etc. -- are attributes of the compiler instance.
|
|
To allow for variability in how individual files are treated,
|
|
most (all?) of those attributes may be varied on a per-compilation
|
|
or per-link basis."""
|
|
|
|
|
|
# XXX things not handled by this compiler abstraction model:
|
|
# * client can't provide additional options for a compiler,
|
|
# e.g. warning, optimization, debugging flags. Perhaps this
|
|
# should be the domain of concrete compiler abstraction classes
|
|
# (UnixCCompiler, MSVCCompiler, etc.) -- or perhaps the base
|
|
# class should have methods for the common ones.
|
|
# * can't put output files (object files, libraries, whatever)
|
|
# into a separate directory from their inputs. Should this be
|
|
# handled by an 'output_dir' attribute of the whole object, or a
|
|
# parameter to the compile/link_* methods, or both?
|
|
# * can't completely override the include or library searchg
|
|
# path, ie. no "cc -I -Idir1 -Idir2" or "cc -L -Ldir1 -Ldir2".
|
|
# I'm not sure how widely supported this is even by Unix
|
|
# compilers, much less on other platforms. And I'm even less
|
|
# sure how useful it is; maybe for cross-compiling, but
|
|
# support for that is a ways off. (And anyways, cross
|
|
# compilers probably have a dedicated binary with the
|
|
# right paths compiled in. I hope.)
|
|
# * can't do really freaky things with the library list/library
|
|
# dirs, e.g. "-Ldir1 -lfoo -Ldir2 -lfoo" to link against
|
|
# different versions of libfoo.a in different locations. I
|
|
# think this is useless without the ability to null out the
|
|
# library search path anyways.
|
|
|
|
|
|
def __init__ (self,
|
|
verbose=0,
|
|
dry_run=0):
|
|
|
|
self.verbose = verbose
|
|
self.dry_run = dry_run
|
|
|
|
# 'macros': a list of macro definitions (or undefinitions). A
|
|
# macro definition is a 2-tuple (name, value), where the value is
|
|
# either a string or None (no explicit value). A macro
|
|
# undefinition is a 1-tuple (name,).
|
|
self.macros = []
|
|
|
|
# 'include_dirs': a list of directories to search for include files
|
|
self.include_dirs = []
|
|
|
|
# 'libraries': a list of libraries to include in any link
|
|
# (library names, not filenames: eg. "foo" not "libfoo.a")
|
|
self.libraries = []
|
|
|
|
# 'library_dirs': a list of directories to search for libraries
|
|
self.library_dirs = []
|
|
|
|
# 'runtime_library_dirs': a list of directories to search for
|
|
# shared libraries/objects at runtime
|
|
self.runtime_library_dirs = []
|
|
|
|
# 'objects': a list of object files (or similar, such as explicitly
|
|
# named library files) to include on any link
|
|
self.objects = []
|
|
|
|
# __init__ ()
|
|
|
|
|
|
def _find_macro (self, name):
|
|
i = 0
|
|
for defn in self.macros:
|
|
if defn[0] == name:
|
|
return i
|
|
i = i + 1
|
|
|
|
return None
|
|
|
|
|
|
def _check_macro_definitions (self, definitions):
|
|
"""Ensures that every element of 'definitions' is a valid macro
|
|
definition, ie. either (name,value) 2-tuple or a (name,)
|
|
tuple. Do nothing if all definitions are OK, raise
|
|
TypeError otherwise."""
|
|
|
|
for defn in definitions:
|
|
if not (type (defn) is TupleType and
|
|
(len (defn) == 1 or
|
|
(len (defn) == 2 and
|
|
(type (defn[1]) is StringType or defn[1] is None))) and
|
|
type (defn[0]) is StringType):
|
|
raise TypeError, \
|
|
("invalid macro definition '%s': " % defn) + \
|
|
"must be tuple (string,), (string, string), or " + \
|
|
"(string, None)"
|
|
|
|
|
|
# -- Bookkeeping methods -------------------------------------------
|
|
|
|
def define_macro (self, name, value=None):
|
|
"""Define a preprocessor macro for all compilations driven by
|
|
this compiler object. The optional parameter 'value' should be
|
|
a string; if it is not supplied, then the macro will be defined
|
|
without an explicit value and the exact outcome depends on the
|
|
compiler used (XXX true? does ANSI say anything about this?)"""
|
|
|
|
# Delete from the list of macro definitions/undefinitions if
|
|
# already there (so that this one will take precedence).
|
|
i = self._find_macro (name)
|
|
if i is not None:
|
|
del self.macros[i]
|
|
|
|
defn = (name, value)
|
|
self.macros.append (defn)
|
|
|
|
|
|
def undefine_macro (self, name):
|
|
"""Undefine a preprocessor macro for all compilations driven by
|
|
this compiler object. If the same macro is defined by
|
|
'define_macro()' and undefined by 'undefine_macro()' the last
|
|
call takes precedence (including multiple redefinitions or
|
|
undefinitions). If the macro is redefined/undefined on a
|
|
per-compilation basis (ie. in the call to 'compile()'), then
|
|
that takes precedence."""
|
|
|
|
# Delete from the list of macro definitions/undefinitions if
|
|
# already there (so that this one will take precedence).
|
|
i = self._find_macro (name)
|
|
if i is not None:
|
|
del self.macros[i]
|
|
|
|
undefn = (name,)
|
|
self.macros.append (undefn)
|
|
|
|
|
|
def add_include_dir (self, dir):
|
|
"""Add 'dir' to the list of directories that will be searched
|
|
for header files. The compiler is instructed to search
|
|
directories in the order in which they are supplied by
|
|
successive calls to 'add_include_dir()'."""
|
|
self.include_dirs.append (dir)
|
|
|
|
def set_include_dirs (self, dirs):
|
|
"""Set the list of directories that will be searched to 'dirs'
|
|
(a list of strings). Overrides any preceding calls to
|
|
'add_include_dir()'; subsequence calls to 'add_include_dir()'
|
|
add to the list passed to 'set_include_dirs()'. This does
|
|
not affect any list of standard include directories that
|
|
the compiler may search by default."""
|
|
self.include_dirs = copy (dirs)
|
|
|
|
|
|
def add_library (self, libname):
|
|
"""Add 'libname' to the list of libraries that will be included
|
|
in all links driven by this compiler object. Note that
|
|
'libname' should *not* be the name of a file containing a
|
|
library, but the name of the library itself: the actual filename
|
|
will be inferred by the linker, the compiler, or the compiler
|
|
abstraction class (depending on the platform).
|
|
|
|
The linker will be instructed to link against libraries in the
|
|
order they were supplied to 'add_library()' and/or
|
|
'set_libraries()'. It is perfectly valid to duplicate library
|
|
names; the linker will be instructed to link against libraries
|
|
as many times as they are mentioned."""
|
|
self.libraries.append (libname)
|
|
|
|
def set_libraries (self, libnames):
|
|
"""Set the list of libraries to be included in all links driven
|
|
by this compiler object to 'libnames' (a list of strings).
|
|
This does not affect any standard system libraries that the
|
|
linker may include by default."""
|
|
|
|
self.libraries = copy (libnames)
|
|
|
|
|
|
def add_library_dir (self, dir):
|
|
"""Add 'dir' to the list of directories that will be searched for
|
|
libraries specified to 'add_library()' and 'set_libraries()'.
|
|
The linker will be instructed to search for libraries in the
|
|
order they are supplied to 'add_library_dir()' and/or
|
|
'set_library_dirs()'."""
|
|
self.library_dirs.append (dir)
|
|
|
|
def set_library_dirs (self, dirs):
|
|
"""Set the list of library search directories to 'dirs' (a list
|
|
of strings). This does not affect any standard library
|
|
search path that the linker may search by default."""
|
|
self.library_dirs = copy (dirs)
|
|
|
|
|
|
def add_runtime_library_dir (self, dir):
|
|
"""Add 'dir' to the list of directories that will be searched for
|
|
shared libraries at runtime."""
|
|
self.runtime_library_dirs.append (dir)
|
|
|
|
def set_runtime_library_dirs (self, dirs):
|
|
"""Set the list of directories to search for shared libraries
|
|
at runtime to 'dirs' (a list of strings). This does not affect
|
|
any standard search path that the runtime linker may search by
|
|
default."""
|
|
self.runtime_library_dirs = copy (dirs)
|
|
|
|
|
|
def add_link_object (self, object):
|
|
"""Add 'object' to the list of object files (or analogues, such
|
|
as explictly named library files or the output of "resource
|
|
compilers") to be included in every link driven by this
|
|
compiler object."""
|
|
self.objects.append (object)
|
|
|
|
def set_link_objects (self, objects):
|
|
"""Set the list of object files (or analogues) to be included
|
|
in every link to 'objects'. This does not affect any
|
|
standard object files that the linker may include by default
|
|
(such as system libraries)."""
|
|
self.objects = copy (objects)
|
|
|
|
|
|
# -- Worker methods ------------------------------------------------
|
|
# (must be implemented by subclasses)
|
|
|
|
def compile (self,
|
|
sources,
|
|
macros=None,
|
|
includes=None):
|
|
"""Compile one or more C/C++ source files. 'sources' must be
|
|
a list of strings, each one the name of a C/C++ source
|
|
file. Return a list of the object filenames generated
|
|
(one for each source filename in 'sources').
|
|
|
|
'macros', if given, must be a list of macro definitions. A
|
|
macro definition is either a (name, value) 2-tuple or a (name,)
|
|
1-tuple. The former defines a macro; if the value is None, the
|
|
macro is defined without an explicit value. The 1-tuple case
|
|
undefines a macro. Later definitions/redefinitions/
|
|
undefinitions take precedence.
|
|
|
|
'includes', if given, must be a list of strings, the directories
|
|
to add to the default include file search path for this
|
|
compilation only."""
|
|
pass
|
|
|
|
|
|
# XXX this is kind of useless without 'link_binary()' or
|
|
# 'link_executable()' or something -- or maybe 'link_static_lib()'
|
|
# should not exist at all, and we just have 'link_binary()'?
|
|
def link_static_lib (self,
|
|
objects,
|
|
output_libname,
|
|
libraries=None,
|
|
library_dirs=None):
|
|
"""Link a bunch of stuff together to create a static library
|
|
file. The "bunch of stuff" consists of the list of object
|
|
files supplied as 'objects', the extra object files supplied
|
|
to 'add_link_object()' and/or 'set_link_objects()', the
|
|
libraries supplied to 'add_library()' and/or
|
|
'set_libraries()', and the libraries supplied as 'libraries'
|
|
(if any).
|
|
|
|
'output_libname' should be a library name, not a filename;
|
|
the filename will be inferred from the library name.
|
|
|
|
'library_dirs', if supplied, should be a list of additional
|
|
directories to search on top of the system default and those
|
|
supplied to 'add_library_dir()' and/or 'set_library_dirs()'."""
|
|
|
|
pass
|
|
|
|
|
|
def link_shared_lib (self,
|
|
objects,
|
|
output_libname,
|
|
libraries=None,
|
|
library_dirs=None):
|
|
"""Link a bunch of stuff together to create a shared library
|
|
file. Has the same effect as 'link_static_lib()' except
|
|
that the filename inferred from 'output_libname' will most
|
|
likely be different, and the type of file generated will
|
|
almost certainly be different."""
|
|
pass
|
|
|
|
def link_shared_object (self,
|
|
objects,
|
|
output_filename,
|
|
libraries=None,
|
|
library_dirs=None):
|
|
"""Link a bunch of stuff together to create a shared object
|
|
file. Much like 'link_shared_lib()', except the output
|
|
filename is explicitly supplied as 'output_filename'."""
|
|
pass
|
|
|
|
|
|
# -- Filename mangling methods -------------------------------------
|
|
|
|
def object_filenames (source_filenames):
|
|
"""Return the list of object filenames corresponding to each
|
|
specified source filename."""
|
|
pass
|
|
|
|
def shared_object_filename (source_filename):
|
|
"""Return the shared object filename corresponding to a
|
|
specified source filename."""
|
|
pass
|
|
|
|
def library_filename (libname):
|
|
"""Return the static library filename corresponding to the
|
|
specified library name."""
|
|
|
|
pass
|
|
|
|
def shared_library_filename (libname):
|
|
"""Return the shared library filename corresponding to the
|
|
specified library name."""
|
|
pass
|
|
|
|
|
|
# -- Utility methods -----------------------------------------------
|
|
|
|
def spawn (self, cmd):
|
|
spawn (cmd, verbose=self.verbose, dry_run=self.dry_run)
|
|
|
|
|
|
# class CCompiler
|
|
|
|
|
|
def new_compiler (plat=None,
|
|
verbose=0,
|
|
dry_run=0):
|
|
"""Generate a CCompiler instance for platform 'plat' (or the
|
|
current platform, if 'plat' not supplied). Really instantiates
|
|
some concrete subclass of CCompiler, of course."""
|
|
|
|
if plat is None: plat = os.name
|
|
if plat == 'posix':
|
|
from unixccompiler import UnixCCompiler
|
|
return UnixCCompiler (verbose, dry_run)
|
|
else:
|
|
raise DistutilsPlatformError, \
|
|
"don't know how to compile C/C++ code on platform %s" % plat
|