825 lines
34 KiB
Python
825 lines
34 KiB
Python
"""distutils.ccompiler
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Contains CCompiler, an abstract base class that defines the interface
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for the Distutils compiler abstraction model."""
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# created 1999/07/05, Greg Ward
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__revision__ = "$Id$"
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import sys, os
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from types import *
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from copy import copy
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from distutils.errors import *
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from distutils.spawn import spawn
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from distutils.util import move_file, mkpath, newer_pairwise, newer_group
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class CCompiler:
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"""Abstract base class to define the interface that must be implemented
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by real compiler abstraction classes. Might have some use as a
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place for shared code, but it's not yet clear what code can be
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shared between compiler abstraction models for different platforms.
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The basic idea behind a compiler abstraction class is that each
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instance can be used for all the compile/link steps in building
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a single project. Thus, attributes common to all of those compile
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and link steps -- include directories, macros to define, libraries
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to link against, etc. -- are attributes of the compiler instance.
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To allow for variability in how individual files are treated,
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most (all?) of those attributes may be varied on a per-compilation
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or per-link basis."""
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# 'compiler_type' is a class attribute that identifies this class. It
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# keeps code that wants to know what kind of compiler it's dealing with
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# from having to import all possible compiler classes just to do an
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# 'isinstance'. In concrete CCompiler subclasses, 'compiler_type'
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# should really, really be one of the keys of the 'compiler_class'
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# dictionary (see below -- used by the 'new_compiler()' factory
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# function) -- authors of new compiler interface classes are
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# responsible for updating 'compiler_class'!
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compiler_type = None
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# XXX things not handled by this compiler abstraction model:
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# * client can't provide additional options for a compiler,
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# e.g. warning, optimization, debugging flags. Perhaps this
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# should be the domain of concrete compiler abstraction classes
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# (UnixCCompiler, MSVCCompiler, etc.) -- or perhaps the base
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# class should have methods for the common ones.
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# * can't put output files (object files, libraries, whatever)
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# into a separate directory from their inputs. Should this be
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# handled by an 'output_dir' attribute of the whole object, or a
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# parameter to the compile/link_* methods, or both?
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# * can't completely override the include or library searchg
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# path, ie. no "cc -I -Idir1 -Idir2" or "cc -L -Ldir1 -Ldir2".
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# I'm not sure how widely supported this is even by Unix
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# compilers, much less on other platforms. And I'm even less
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# sure how useful it is; maybe for cross-compiling, but
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# support for that is a ways off. (And anyways, cross
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# compilers probably have a dedicated binary with the
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# right paths compiled in. I hope.)
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# * can't do really freaky things with the library list/library
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# dirs, e.g. "-Ldir1 -lfoo -Ldir2 -lfoo" to link against
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# different versions of libfoo.a in different locations. I
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# think this is useless without the ability to null out the
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# library search path anyways.
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# Subclasses that rely on the standard filename generation methods
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# implemented below should override these; see the comment near
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# those methods ('object_filenames()' et. al.) for details:
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src_extensions = None # list of strings
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obj_extension = None # string
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static_lib_extension = None
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shared_lib_extension = None # string
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static_lib_format = None # format string
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shared_lib_format = None # prob. same as static_lib_format
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exe_extension = None # string
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def __init__ (self,
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verbose=0,
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dry_run=0,
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force=0):
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self.verbose = verbose
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self.dry_run = dry_run
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self.force = force
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# 'output_dir': a common output directory for object, library,
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# shared object, and shared library files
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self.output_dir = None
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# 'macros': a list of macro definitions (or undefinitions). A
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# macro definition is a 2-tuple (name, value), where the value is
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# either a string or None (no explicit value). A macro
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# undefinition is a 1-tuple (name,).
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self.macros = []
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# 'include_dirs': a list of directories to search for include files
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self.include_dirs = []
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# 'libraries': a list of libraries to include in any link
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# (library names, not filenames: eg. "foo" not "libfoo.a")
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self.libraries = []
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# 'library_dirs': a list of directories to search for libraries
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self.library_dirs = []
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# 'runtime_library_dirs': a list of directories to search for
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# shared libraries/objects at runtime
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self.runtime_library_dirs = []
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# 'objects': a list of object files (or similar, such as explicitly
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# named library files) to include on any link
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self.objects = []
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# __init__ ()
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def _find_macro (self, name):
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i = 0
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for defn in self.macros:
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if defn[0] == name:
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return i
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i = i + 1
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return None
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def _check_macro_definitions (self, definitions):
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"""Ensures that every element of 'definitions' is a valid macro
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definition, ie. either (name,value) 2-tuple or a (name,)
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tuple. Do nothing if all definitions are OK, raise
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TypeError otherwise."""
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for defn in definitions:
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if not (type (defn) is TupleType and
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(len (defn) == 1 or
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(len (defn) == 2 and
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(type (defn[1]) is StringType or defn[1] is None))) and
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type (defn[0]) is StringType):
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raise TypeError, \
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("invalid macro definition '%s': " % defn) + \
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"must be tuple (string,), (string, string), or " + \
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"(string, None)"
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# -- Bookkeeping methods -------------------------------------------
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def define_macro (self, name, value=None):
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"""Define a preprocessor macro for all compilations driven by
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this compiler object. The optional parameter 'value' should be
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a string; if it is not supplied, then the macro will be defined
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without an explicit value and the exact outcome depends on the
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compiler used (XXX true? does ANSI say anything about this?)"""
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# Delete from the list of macro definitions/undefinitions if
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# already there (so that this one will take precedence).
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i = self._find_macro (name)
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if i is not None:
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del self.macros[i]
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defn = (name, value)
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self.macros.append (defn)
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def undefine_macro (self, name):
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"""Undefine a preprocessor macro for all compilations driven by
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this compiler object. If the same macro is defined by
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'define_macro()' and undefined by 'undefine_macro()' the last
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call takes precedence (including multiple redefinitions or
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undefinitions). If the macro is redefined/undefined on a
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per-compilation basis (ie. in the call to 'compile()'), then
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that takes precedence."""
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# Delete from the list of macro definitions/undefinitions if
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# already there (so that this one will take precedence).
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i = self._find_macro (name)
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if i is not None:
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del self.macros[i]
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undefn = (name,)
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self.macros.append (undefn)
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def add_include_dir (self, dir):
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"""Add 'dir' to the list of directories that will be searched
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for header files. The compiler is instructed to search
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directories in the order in which they are supplied by
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successive calls to 'add_include_dir()'."""
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self.include_dirs.append (dir)
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def set_include_dirs (self, dirs):
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"""Set the list of directories that will be searched to 'dirs'
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(a list of strings). Overrides any preceding calls to
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'add_include_dir()'; subsequence calls to 'add_include_dir()'
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add to the list passed to 'set_include_dirs()'. This does
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not affect any list of standard include directories that
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the compiler may search by default."""
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self.include_dirs = copy (dirs)
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def add_library (self, libname):
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"""Add 'libname' to the list of libraries that will be included
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in all links driven by this compiler object. Note that
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'libname' should *not* be the name of a file containing a
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library, but the name of the library itself: the actual filename
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will be inferred by the linker, the compiler, or the compiler
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abstraction class (depending on the platform).
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The linker will be instructed to link against libraries in the
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order they were supplied to 'add_library()' and/or
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'set_libraries()'. It is perfectly valid to duplicate library
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names; the linker will be instructed to link against libraries
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as many times as they are mentioned."""
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self.libraries.append (libname)
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def set_libraries (self, libnames):
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"""Set the list of libraries to be included in all links driven
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by this compiler object to 'libnames' (a list of strings).
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This does not affect any standard system libraries that the
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linker may include by default."""
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self.libraries = copy (libnames)
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def add_library_dir (self, dir):
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"""Add 'dir' to the list of directories that will be searched for
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libraries specified to 'add_library()' and 'set_libraries()'.
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The linker will be instructed to search for libraries in the
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order they are supplied to 'add_library_dir()' and/or
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'set_library_dirs()'."""
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self.library_dirs.append (dir)
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def set_library_dirs (self, dirs):
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"""Set the list of library search directories to 'dirs' (a list
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of strings). This does not affect any standard library
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search path that the linker may search by default."""
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self.library_dirs = copy (dirs)
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def add_runtime_library_dir (self, dir):
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"""Add 'dir' to the list of directories that will be searched for
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shared libraries at runtime."""
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self.runtime_library_dirs.append (dir)
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def set_runtime_library_dirs (self, dirs):
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"""Set the list of directories to search for shared libraries
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at runtime to 'dirs' (a list of strings). This does not affect
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any standard search path that the runtime linker may search by
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default."""
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self.runtime_library_dirs = copy (dirs)
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def add_link_object (self, object):
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"""Add 'object' to the list of object files (or analogues, such
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as explictly named library files or the output of "resource
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compilers") to be included in every link driven by this
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compiler object."""
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self.objects.append (object)
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def set_link_objects (self, objects):
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"""Set the list of object files (or analogues) to be included
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in every link to 'objects'. This does not affect any
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standard object files that the linker may include by default
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(such as system libraries)."""
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self.objects = copy (objects)
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# -- Priviate utility methods --------------------------------------
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# (here for the convenience of subclasses)
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def _fix_compile_args (self, output_dir, macros, include_dirs):
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"""Typecheck and fix-up some of the arguments to the 'compile()' method,
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and return fixed-up values. Specifically: if 'output_dir' is
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None, replaces it with 'self.output_dir'; ensures that 'macros'
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is a list, and augments it with 'self.macros'; ensures that
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'include_dirs' is a list, and augments it with
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'self.include_dirs'. Guarantees that the returned values are of
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the correct type, i.e. for 'output_dir' either string or None,
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and for 'macros' and 'include_dirs' either list or None."""
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if output_dir is None:
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output_dir = self.output_dir
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elif type (output_dir) is not StringType:
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raise TypeError, "'output_dir' must be a string or None"
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if macros is None:
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macros = self.macros
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elif type (macros) is ListType:
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macros = macros + (self.macros or [])
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else:
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raise TypeError, \
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"'macros' (if supplied) must be a list of tuples"
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if include_dirs is None:
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include_dirs = self.include_dirs
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elif type (include_dirs) in (ListType, TupleType):
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include_dirs = list (include_dirs) + (self.include_dirs or [])
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else:
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raise TypeError, \
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"'include_dirs' (if supplied) must be a list of strings"
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return (output_dir, macros, include_dirs)
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# _fix_compile_args ()
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def _prep_compile (self, sources, output_dir):
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"""Determine the list of object files corresponding to 'sources', and
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figure out which ones really need to be recompiled. Return a list
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of all object files and a dictionary telling which source files can
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be skipped."""
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# Get the list of expected output (object) files
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objects = self.object_filenames (sources,
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output_dir=output_dir)
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if self.force:
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skip_source = {} # rebuild everything
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for source in sources:
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skip_source[source] = 0
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else:
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# Figure out which source files we have to recompile according
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# to a simplistic check -- we just compare the source and
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# object file, no deep dependency checking involving header
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# files.
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skip_source = {} # rebuild everything
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for source in sources: # no wait, rebuild nothing
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skip_source[source] = 1
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(n_sources, n_objects) = newer_pairwise (sources, objects)
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for source in n_sources: # no really, only rebuild what's out-of-date
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skip_source[source] = 0
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return (objects, skip_source)
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# _prep_compile ()
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def _fix_object_args (self, objects, output_dir):
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"""Typecheck and fix up some arguments supplied to various
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methods. Specifically: ensure that 'objects' is a list; if
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output_dir is None, replace with self.output_dir. Return fixed
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versions of 'objects' and 'output_dir'."""
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if type (objects) not in (ListType, TupleType):
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raise TypeError, \
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"'objects' must be a list or tuple of strings"
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objects = list (objects)
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if output_dir is None:
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output_dir = self.output_dir
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elif type (output_dir) is not StringType:
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raise TypeError, "'output_dir' must be a string or None"
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return (objects, output_dir)
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def _fix_lib_args (self, libraries, library_dirs, runtime_library_dirs):
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"""Typecheck and fix up some of the arguments supplied to the
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'link_*' methods. Specifically: ensure that all arguments are
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lists, and augment them with their permanent versions
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(eg. 'self.libraries' augments 'libraries'). Return a tuple
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with fixed versions of all arguments."""
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if libraries is None:
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libraries = self.libraries
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elif type (libraries) in (ListType, TupleType):
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libraries = list (libraries) + (self.libraries or [])
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else:
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raise TypeError, \
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"'libraries' (if supplied) must be a list of strings"
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if library_dirs is None:
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library_dirs = self.library_dirs
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elif type (library_dirs) in (ListType, TupleType):
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library_dirs = list (library_dirs) + (self.library_dirs or [])
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else:
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raise TypeError, \
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"'library_dirs' (if supplied) must be a list of strings"
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if runtime_library_dirs is None:
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runtime_library_dirs = self.runtime_library_dirs
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elif type (runtime_library_dirs) in (ListType, TupleType):
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runtime_library_dirs = (list (runtime_library_dirs) +
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(self.runtime_library_dirs or []))
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else:
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raise TypeError, \
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"'runtime_library_dirs' (if supplied) " + \
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"must be a list of strings"
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return (libraries, library_dirs, runtime_library_dirs)
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# _fix_lib_args ()
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def _need_link (self, objects, output_file):
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"""Return true if we need to relink the files listed in 'objects' to
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recreate 'output_file'."""
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if self.force:
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return 1
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else:
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if self.dry_run:
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newer = newer_group (objects, output_file, missing='newer')
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else:
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newer = newer_group (objects, output_file)
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return newer
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# _need_link ()
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# -- Worker methods ------------------------------------------------
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# (must be implemented by subclasses)
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def compile (self,
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sources,
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output_dir=None,
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macros=None,
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include_dirs=None,
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debug=0,
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extra_preargs=None,
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extra_postargs=None):
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"""Compile one or more C/C++ source files. 'sources' must be
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a list of strings, each one the name of a C/C++ source
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file. Return a list of object filenames, one per source
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filename in 'sources'. Depending on the implementation,
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not all source files will necessarily be compiled, but
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all corresponding object filenames will be returned.
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If 'output_dir' is given, object files will be put under it,
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while retaining their original path component. That is,
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"foo/bar.c" normally compiles to "foo/bar.o" (for a Unix
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implementation); if 'output_dir' is "build", then it would
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compile to "build/foo/bar.o".
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'macros', if given, must be a list of macro definitions. A
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macro definition is either a (name, value) 2-tuple or a (name,)
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1-tuple. The former defines a macro; if the value is None, the
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macro is defined without an explicit value. The 1-tuple case
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undefines a macro. Later definitions/redefinitions/
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undefinitions take precedence.
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'include_dirs', if given, must be a list of strings, the
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directories to add to the default include file search path for
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this compilation only.
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'debug' is a boolean; if true, the compiler will be instructed
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to output debug symbols in (or alongside) the object file(s).
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'extra_preargs' and 'extra_postargs' are implementation-
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dependent. On platforms that have the notion of a command-line
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(e.g. Unix, DOS/Windows), they are most likely lists of strings:
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extra command-line arguments to prepand/append to the compiler
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command line. On other platforms, consult the implementation
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class documentation. In any event, they are intended as an
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escape hatch for those occasions when the abstract compiler
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framework doesn't cut the mustard."""
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pass
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def create_static_lib (self,
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objects,
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output_libname,
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output_dir=None,
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debug=0):
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"""Link a bunch of stuff together to create a static library
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file. The "bunch of stuff" consists of the list of object
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files supplied as 'objects', the extra object files supplied
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to 'add_link_object()' and/or 'set_link_objects()', the
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libraries supplied to 'add_library()' and/or
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'set_libraries()', and the libraries supplied as 'libraries'
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(if any).
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'output_libname' should be a library name, not a filename; the
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filename will be inferred from the library name. 'output_dir'
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is the directory where the library file will be put.
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'debug' is a boolean; if true, debugging information will be
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included in the library (note that on most platforms, it is the
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compile step where this matters: the 'debug' flag is included
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here just for consistency)."""
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pass
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def link_shared_lib (self,
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objects,
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output_libname,
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output_dir=None,
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libraries=None,
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library_dirs=None,
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runtime_library_dirs=None,
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debug=0,
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extra_preargs=None,
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extra_postargs=None):
|
|
"""Link a bunch of stuff together to create a shared library
|
|
file. Similar semantics to 'create_static_lib()', with the
|
|
addition of other libraries to link against and directories to
|
|
search for them. Also, of course, the type and name of
|
|
the generated file will almost certainly be different, as will
|
|
the program used to create it.
|
|
|
|
'libraries' is a list of libraries to link against. These are
|
|
library names, not filenames, since they're translated into
|
|
filenames in a platform-specific way (eg. "foo" becomes
|
|
"libfoo.a" on Unix and "foo.lib" on DOS/Windows). However, they
|
|
can include a directory component, which means the linker will
|
|
look in that specific directory rather than searching all the
|
|
normal locations.
|
|
|
|
'library_dirs', if supplied, should be a list of directories to
|
|
search for libraries that were specified as bare library names
|
|
(ie. no directory component). These are on top of the system
|
|
default and those supplied to 'add_library_dir()' and/or
|
|
'set_library_dirs()'.
|
|
|
|
'debug' is as for 'compile()' and 'create_static_lib()', with the
|
|
slight distinction that it actually matters on most platforms
|
|
(as opposed to 'create_static_lib()', which includes a 'debug'
|
|
flag mostly for form's sake).
|
|
|
|
'extra_preargs' and 'extra_postargs' are as for 'compile()'
|
|
(except of course that they supply command-line arguments
|
|
for the particular linker being used)."""
|
|
|
|
pass
|
|
|
|
|
|
def link_shared_object (self,
|
|
objects,
|
|
output_filename,
|
|
output_dir=None,
|
|
libraries=None,
|
|
library_dirs=None,
|
|
runtime_library_dirs=None,
|
|
debug=0,
|
|
extra_preargs=None,
|
|
extra_postargs=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'. If 'output_dir' is
|
|
supplied, 'output_filename' is relative to it
|
|
(i.e. 'output_filename' can provide directory components if
|
|
needed)."""
|
|
pass
|
|
|
|
|
|
def link_executable (self,
|
|
objects,
|
|
output_progname,
|
|
output_dir=None,
|
|
libraries=None,
|
|
library_dirs=None,
|
|
runtime_library_dirs=None,
|
|
debug=0,
|
|
extra_preargs=None,
|
|
extra_postargs=None):
|
|
"""Link a bunch of stuff together to create a binary executable
|
|
file. The "bunch of stuff" is as for 'link_shared_lib()'.
|
|
'output_progname' should be the base name of the executable
|
|
program--e.g. on Unix the same as the output filename, but
|
|
on DOS/Windows ".exe" will be appended."""
|
|
pass
|
|
|
|
|
|
|
|
# -- Filename generation methods -----------------------------------
|
|
|
|
# The default implementation of the filename generating methods are
|
|
# prejudiced towards the Unix/DOS/Windows view of the world:
|
|
# * object files are named by replacing the source file extension
|
|
# (eg. .c/.cpp -> .o/.obj)
|
|
# * library files (shared or static) are named by plugging the
|
|
# library name and extension into a format string, eg.
|
|
# "lib%s.%s" % (lib_name, ".a") for Unix static libraries
|
|
# * executables are named by appending an extension (possibly
|
|
# empty) to the program name: eg. progname + ".exe" for
|
|
# Windows
|
|
#
|
|
# To reduce redundant code, these methods expect to find
|
|
# several attributes in the current object (presumably defined
|
|
# as class attributes):
|
|
# * src_extensions -
|
|
# list of C/C++ source file extensions, eg. ['.c', '.cpp']
|
|
# * obj_extension -
|
|
# object file extension, eg. '.o' or '.obj'
|
|
# * static_lib_extension -
|
|
# extension for static library files, eg. '.a' or '.lib'
|
|
# * shared_lib_extension -
|
|
# extension for shared library/object files, eg. '.so', '.dll'
|
|
# * static_lib_format -
|
|
# format string for generating static library filenames,
|
|
# eg. 'lib%s.%s' or '%s.%s'
|
|
# * shared_lib_format
|
|
# format string for generating shared library filenames
|
|
# (probably same as static_lib_format, since the extension
|
|
# is one of the intended parameters to the format string)
|
|
# * exe_extension -
|
|
# extension for executable files, eg. '' or '.exe'
|
|
|
|
def object_filenames (self,
|
|
source_filenames,
|
|
strip_dir=0,
|
|
output_dir=''):
|
|
if output_dir is None: output_dir = ''
|
|
obj_names = []
|
|
for src_name in source_filenames:
|
|
(base, ext) = os.path.splitext (src_name)
|
|
if ext not in self.src_extensions:
|
|
continue
|
|
if strip_dir:
|
|
base = os.path.basename (base)
|
|
obj_names.append (os.path.join (output_dir,
|
|
base + self.obj_extension))
|
|
return obj_names
|
|
|
|
# object_filenames ()
|
|
|
|
|
|
def shared_object_filename (self,
|
|
basename,
|
|
strip_dir=0,
|
|
output_dir=''):
|
|
if output_dir is None: output_dir = ''
|
|
if strip_dir:
|
|
basename = os.path.basename (basename)
|
|
return os.path.join (output_dir, basename + self.shared_lib_extension)
|
|
|
|
|
|
def library_filename (self,
|
|
libname,
|
|
lib_type='static', # or 'shared'
|
|
strip_dir=0,
|
|
output_dir=''):
|
|
|
|
if output_dir is None: output_dir = ''
|
|
if lib_type not in ("static","shared"):
|
|
raise ValueError, "'lib_type' must be \"static\" or \"shared\""
|
|
fmt = getattr (self, lib_type + "_lib_format")
|
|
ext = getattr (self, lib_type + "_lib_extension")
|
|
|
|
(dir, base) = os.path.split (libname)
|
|
filename = fmt % (base, ext)
|
|
if strip_dir:
|
|
dir = ''
|
|
|
|
return os.path.join (output_dir, dir, filename)
|
|
|
|
|
|
# -- Utility methods -----------------------------------------------
|
|
|
|
def announce (self, msg, level=1):
|
|
if self.verbose >= level:
|
|
print msg
|
|
|
|
def warn (self, msg):
|
|
sys.stderr.write ("warning: %s\n" % msg)
|
|
|
|
def spawn (self, cmd):
|
|
spawn (cmd, verbose=self.verbose, dry_run=self.dry_run)
|
|
|
|
def move_file (self, src, dst):
|
|
return move_file (src, dst, verbose=self.verbose, dry_run=self.dry_run)
|
|
|
|
def mkpath (self, name, mode=0777):
|
|
mkpath (name, mode, self.verbose, self.dry_run)
|
|
|
|
|
|
# class CCompiler
|
|
|
|
|
|
# Map a platform ('posix', 'nt') to the default compiler type for
|
|
# that platform.
|
|
default_compiler = { 'posix': 'unix',
|
|
'nt': 'msvc',
|
|
}
|
|
|
|
# Map compiler types to (module_name, class_name) pairs -- ie. where to
|
|
# find the code that implements an interface to this compiler. (The module
|
|
# is assumed to be in the 'distutils' package.)
|
|
compiler_class = { 'unix': ('unixccompiler', 'UnixCCompiler'),
|
|
'msvc': ('msvccompiler', 'MSVCCompiler'),
|
|
}
|
|
|
|
|
|
def new_compiler (plat=None,
|
|
compiler=None,
|
|
verbose=0,
|
|
dry_run=0,
|
|
force=0):
|
|
|
|
"""Generate an instance of some CCompiler subclass for the supplied
|
|
platform/compiler combination. 'plat' defaults to 'os.name'
|
|
(eg. 'posix', 'nt'), and 'compiler' defaults to the default
|
|
compiler for that platform. Currently only 'posix' and 'nt'
|
|
are supported, and the default compilers are "traditional Unix
|
|
interface" (UnixCCompiler class) and Visual C++ (MSVCCompiler
|
|
class). Note that it's perfectly possible to ask for a Unix
|
|
compiler object under Windows, and a Microsoft compiler object
|
|
under Unix -- if you supply a value for 'compiler', 'plat'
|
|
is ignored."""
|
|
|
|
if plat is None:
|
|
plat = os.name
|
|
|
|
try:
|
|
if compiler is None:
|
|
compiler = default_compiler[plat]
|
|
|
|
(module_name, class_name) = compiler_class[compiler]
|
|
except KeyError:
|
|
msg = "don't know how to compile C/C++ code on platform '%s'" % plat
|
|
if compiler is not None:
|
|
msg = msg + " with '%s' compiler" % compiler
|
|
raise DistutilsPlatformError, msg
|
|
|
|
try:
|
|
module_name = "distutils." + module_name
|
|
__import__ (module_name)
|
|
module = sys.modules[module_name]
|
|
klass = vars(module)[class_name]
|
|
except ImportError:
|
|
raise DistutilsModuleError, \
|
|
"can't compile C/C++ code: unable to load module '%s'" % \
|
|
module_name
|
|
except KeyError:
|
|
raise DistutilsModuleError, \
|
|
("can't compile C/C++ code: unable to find class '%s' " +
|
|
"in module '%s'") % (class_name, module_name)
|
|
|
|
return klass (verbose, dry_run, force)
|
|
|
|
|
|
def gen_preprocess_options (macros, include_dirs):
|
|
"""Generate C pre-processor options (-D, -U, -I) as used by at
|
|
least two types of compilers: the typical Unix compiler and Visual
|
|
C++. 'macros' is the usual thing, a list of 1- or 2-tuples, where
|
|
(name,) means undefine (-U) macro 'name', and (name,value) means
|
|
define (-D) macro 'name' to 'value'. 'include_dirs' is just a list of
|
|
directory names to be added to the header file search path (-I).
|
|
Returns a list of command-line options suitable for either
|
|
Unix compilers or Visual C++."""
|
|
|
|
# XXX it would be nice (mainly aesthetic, and so we don't generate
|
|
# stupid-looking command lines) to go over 'macros' and eliminate
|
|
# redundant definitions/undefinitions (ie. ensure that only the
|
|
# latest mention of a particular macro winds up on the command
|
|
# line). I don't think it's essential, though, since most (all?)
|
|
# Unix C compilers only pay attention to the latest -D or -U
|
|
# mention of a macro on their command line. Similar situation for
|
|
# 'include_dirs'. I'm punting on both for now. Anyways, weeding out
|
|
# redundancies like this should probably be the province of
|
|
# CCompiler, since the data structures used are inherited from it
|
|
# and therefore common to all CCompiler classes.
|
|
|
|
pp_opts = []
|
|
for macro in macros:
|
|
|
|
if not (type (macro) is TupleType and
|
|
1 <= len (macro) <= 2):
|
|
raise TypeError, \
|
|
("bad macro definition '%s': " +
|
|
"each element of 'macros' list must be a 1- or 2-tuple") % \
|
|
macro
|
|
|
|
if len (macro) == 1: # undefine this macro
|
|
pp_opts.append ("-U%s" % macro[0])
|
|
elif len (macro) == 2:
|
|
if macro[1] is None: # define with no explicit value
|
|
pp_opts.append ("-D%s" % macro[0])
|
|
else:
|
|
# XXX *don't* need to be clever about quoting the
|
|
# macro value here, because we're going to avoid the
|
|
# shell at all costs when we spawn the command!
|
|
pp_opts.append ("-D%s=%s" % macro)
|
|
|
|
for dir in include_dirs:
|
|
pp_opts.append ("-I%s" % dir)
|
|
|
|
return pp_opts
|
|
|
|
# gen_preprocess_options ()
|
|
|
|
|
|
def gen_lib_options (compiler, library_dirs, runtime_library_dirs, libraries):
|
|
"""Generate linker options for searching library directories and
|
|
linking with specific libraries. 'libraries' and 'library_dirs'
|
|
are, respectively, lists of library names (not filenames!) and
|
|
search directories. Returns a list of command-line options suitable
|
|
for use with some compiler (depending on the two format strings
|
|
passed in)."""
|
|
|
|
lib_opts = []
|
|
|
|
for dir in library_dirs:
|
|
lib_opts.append (compiler.library_dir_option (dir))
|
|
|
|
for dir in runtime_library_dirs:
|
|
lib_opts.append (compiler.runtime_library_dir_option (dir))
|
|
|
|
# XXX it's important that we *not* remove redundant library mentions!
|
|
# sometimes you really do have to say "-lfoo -lbar -lfoo" in order to
|
|
# resolve all symbols. I just hope we never have to say "-lfoo obj.o
|
|
# -lbar" to get things to work -- that's certainly a possibility, but a
|
|
# pretty nasty way to arrange your C code.
|
|
|
|
for lib in libraries:
|
|
(lib_dir, lib_name) = os.path.split (lib)
|
|
if lib_dir:
|
|
lib_file = compiler.find_library_file ([lib_dir], lib_name)
|
|
if lib_file:
|
|
lib_opts.append (lib_file)
|
|
else:
|
|
compiler.warn ("no library file corresponding to "
|
|
"'%s' found (skipping)" % lib)
|
|
else:
|
|
lib_opts.append (compiler.library_option (lib))
|
|
|
|
return lib_opts
|
|
|
|
# gen_lib_options ()
|