[Python-checkins] CVS: distutils/distutils ccompiler.py,1.25,1.26

Greg Ward python-dev@python.org
Sat, 24 Jun 2000 11:10:51 -0700


Update of /cvsroot/python/distutils/distutils
In directory slayer.i.sourceforge.net:/tmp/cvs-serv8721

Modified Files:
	ccompiler.py 
Log Message:
Docstring reformatting/tweaking binge.
Fixed a few comments.

Index: ccompiler.py
===================================================================
RCS file: /cvsroot/python/distutils/distutils/ccompiler.py,v
retrieving revision 1.25
retrieving revision 1.26
diff -C2 -r1.25 -r1.26
*** ccompiler.py	2000/06/24 02:22:49	1.25
--- ccompiler.py	2000/06/24 18:10:48	1.26
***************
*** 18,34 ****
  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."""
  
      # 'compiler_type' is a class attribute that identifies this class.  It
      # keeps code that wants to know what kind of compiler it's dealing with
--- 18,33 ----
  class CCompiler:
      """Abstract base class to define the interface that must be implemented
!     by real compiler classes.  Also has some utility methods used by
!     several compiler classes.
  
+     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 of those
+     attributes may be varied on a per-compilation or per-link basis.
+     """
+ 
      # 'compiler_type' is a class attribute that identifies this class.  It
      # keeps code that wants to know what kind of compiler it's dealing with
***************
*** 47,54 ****
      #     (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".
--- 46,49 ----
***************
*** 130,137 ****
      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
--- 125,131 ----
      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
***************
*** 149,158 ****
  
      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).
--- 143,152 ----
  
      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).
***************
*** 167,177 ****
      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).
--- 161,171 ----
      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).
***************
*** 185,225 ****
  
      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)
  
--- 179,222 ----
  
      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 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)
  
***************
*** 227,240 ****
      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)
  
--- 224,238 ----
      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)
  
***************
*** 242,268 ****
      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)
  
--- 240,270 ----
      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)
  
***************
*** 272,284 ****
  
      def _fix_compile_args (self, output_dir, macros, include_dirs):
!         """Typecheck and fix-up some of the arguments to the 'compile()' method,
!            and return fixed-up values.  Specifically: if 'output_dir' is
!            None, replaces it with 'self.output_dir'; ensures that 'macros'
!            is a list, and augments it with 'self.macros'; ensures that
!            'include_dirs' is a list, and augments it with
!            'self.include_dirs'.  Guarantees that the returned values are of
!            the correct type, i.e. for 'output_dir' either string or None,
!            and for 'macros' and 'include_dirs' either list or None."""
! 
          if output_dir is None:
              output_dir = self.output_dir
--- 274,286 ----
  
      def _fix_compile_args (self, output_dir, macros, include_dirs):
!         """Typecheck and fix-up some of the arguments to the 'compile()'
!         method, and return fixed-up values.  Specifically: if 'output_dir'
!         is None, replaces it with 'self.output_dir'; ensures that 'macros'
!         is a list, and augments it with 'self.macros'; ensures that
!         'include_dirs' is a list, and augments it with 'self.include_dirs'.
!         Guarantees that the returned values are of the correct type,
!         i.e. for 'output_dir' either string or None, and for 'macros' and
!         'include_dirs' either list or None.
!         """
          if output_dir is None:
              output_dir = self.output_dir
***************
*** 308,316 ****
  
      def _prep_compile (self, sources, output_dir):
!         """Determine the list of object files corresponding to 'sources', and
!            figure out which ones really need to be recompiled.  Return a list
!            of all object files and a dictionary telling which source files can
!            be skipped."""
! 
          # Get the list of expected output (object) files 
          objects = self.object_filenames (sources,
--- 310,318 ----
  
      def _prep_compile (self, sources, output_dir):
!         """Determine the list of object files corresponding to 'sources',
!         and figure out which ones really need to be recompiled.  Return a
!         list of all object files and a dictionary telling which source
!         files can be skipped.
!         """
          # Get the list of expected output (object) files 
          objects = self.object_filenames (sources,
***************
*** 331,336 ****
  
              (n_sources, n_objects) = newer_pairwise (sources, objects)
!             for source in n_sources:    # no really, only rebuild what's out-of-date
!                 skip_source[source] = 0
  
          return (objects, skip_source)
--- 333,338 ----
  
              (n_sources, n_objects) = newer_pairwise (sources, objects)
!             for source in n_sources:    # no really, only rebuild what's
!                 skip_source[source] = 0 # out-of-date
  
          return (objects, skip_source)
***************
*** 340,348 ****
  
      def _fix_object_args (self, objects, output_dir):
!         """Typecheck and fix up some arguments supplied to various
!            methods.  Specifically: ensure that 'objects' is a list; if
!            output_dir is None, replace with self.output_dir.  Return fixed
!            versions of 'objects' and 'output_dir'."""
! 
          if type (objects) not in (ListType, TupleType):
              raise TypeError, \
--- 342,350 ----
  
      def _fix_object_args (self, objects, output_dir):
!         """Typecheck and fix up some arguments supplied to various methods.
!         Specifically: ensure that 'objects' is a list; if output_dir is
!         None, replace with self.output_dir.  Return fixed versions of
!         'objects' and 'output_dir'.
!         """
          if type (objects) not in (ListType, TupleType):
              raise TypeError, \
***************
*** 360,368 ****
      def _fix_lib_args (self, libraries, library_dirs, runtime_library_dirs):
          """Typecheck and fix up some of the arguments supplied to the
!            'link_*' methods.  Specifically: ensure that all arguments are
!            lists, and augment them with their permanent versions
!            (eg. 'self.libraries' augments 'libraries').  Return a tuple
!            with fixed versions of all arguments."""
! 
          if libraries is None:
              libraries = self.libraries
--- 362,370 ----
      def _fix_lib_args (self, libraries, library_dirs, runtime_library_dirs):
          """Typecheck and fix up some of the arguments supplied to the
!         'link_*' methods.  Specifically: ensure that all arguments are
!         lists, and augment them with their permanent versions
!         (eg. 'self.libraries' augments 'libraries').  Return a tuple with
!         fixed versions of all arguments.
!         """
          if libraries is None:
              libraries = self.libraries
***************
*** 397,403 ****
  
      def _need_link (self, objects, output_file):
!         """Return true if we need to relink the files listed in 'objects' to
!            recreate 'output_file'."""
! 
          if self.force:
              return 1
--- 399,405 ----
  
      def _need_link (self, objects, output_file):
!         """Return true if we need to relink the files listed in 'objects'
!         to recreate 'output_file'.
!         """
          if self.force:
              return 1
***************
*** 439,480 ****
                   extra_preargs=None,
                   extra_postargs=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 object filenames, one per source
!            filename in 'sources'.  Depending on the implementation,
!            not all source files will necessarily be compiled, but
!            all corresponding object filenames will be returned.
! 
!            If 'output_dir' is given, object files will be put under it,
!            while retaining their original path component.  That is,
!            "foo/bar.c" normally compiles to "foo/bar.o" (for a Unix
!            implementation); if 'output_dir' is "build", then it would
!            compile to "build/foo/bar.o".
! 
!            '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.
! 
!            'include_dirs', if given, must be a list of strings, the
!            directories to add to the default include file search path for
!            this compilation only.
! 
!            'debug' is a boolean; if true, the compiler will be instructed
!            to output debug symbols in (or alongside) the object file(s).
! 
!            'extra_preargs' and 'extra_postargs' are implementation-
!            dependent.  On platforms that have the notion of a command-line
!            (e.g. Unix, DOS/Windows), they are most likely lists of strings:
!            extra command-line arguments to prepand/append to the compiler
!            command line.  On other platforms, consult the implementation
!            class documentation.  In any event, they are intended as an
!            escape hatch for those occasions when the abstract compiler
!            framework doesn't cut the mustard.
  
!            Raises CompileError on failure."""
!            
          pass
  
--- 441,482 ----
                   extra_preargs=None,
                   extra_postargs=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 object filenames, one per source filename in 'sources'.
!         Depending on the implementation, not all source files will
!         necessarily be compiled, but all corresponding object filenames
!         will be returned.
! 
!         If 'output_dir' is given, object files will be put under it, while
!         retaining their original path component.  That is, "foo/bar.c"
!         normally compiles to "foo/bar.o" (for a Unix implementation); if
!         'output_dir' is "build", then it would compile to
!         "build/foo/bar.o".
! 
!         '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.
! 
!         'include_dirs', if given, must be a list of strings, the
!         directories to add to the default include file search path for this
!         compilation only.
! 
!         'debug' is a boolean; if true, the compiler will be instructed to
!         output debug symbols in (or alongside) the object file(s).
! 
!         'extra_preargs' and 'extra_postargs' are implementation- dependent.
!         On platforms that have the notion of a command-line (e.g. Unix,
!         DOS/Windows), they are most likely lists of strings: extra
!         command-line arguments to prepand/append to the compiler command
!         line.  On other platforms, consult the implementation class
!         documentation.  In any event, they are intended as an escape hatch
!         for those occasions when the abstract compiler framework doesn't
!         cut the mustard.
  
!         Raises CompileError on failure.
!         """
          pass
  
***************
*** 485,507 ****
                             output_dir=None,
                             debug=0):
!         """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.  'output_dir'
!            is the directory where the library file will be put.
! 
!            'debug' is a boolean; if true, debugging information will be
!            included in the library (note that on most platforms, it is the
!            compile step where this matters: the 'debug' flag is included
!            here just for consistency).
! 
!            Raises LibError on failure."""
  
          pass
      
--- 487,508 ----
                             output_dir=None,
                             debug=0):
!         """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.  'output_dir' is
!         the directory where the library file will be put.
! 
!         'debug' is a boolean; if true, debugging information will be
!         included in the library (note that on most platforms, it is the
!         compile step where this matters: the 'debug' flag is included here
!         just for consistency).
  
+         Raises LibError on failure.
+         """
          pass
      
***************
*** 518,559 ****
                           extra_preargs=None,
                           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()'.  'runtime_library_dirs' is a list of
-            directories that will be embedded into the shared library and
-            used to search for other shared libraries that *it* depends on
-            at run-time.  (This may only be relevant on Unix.)
- 
-            'export_symbols' is a list of symbols that the shared library
-            will export.  (This appears to be relevant only on Windows.)
- 
-            '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).
  
!            Raises LinkError on failure."""
  
          pass
      
--- 519,560 ----
                           extra_preargs=None,
                           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()'.  'runtime_library_dirs' is a list of
!         directories that will be embedded into the shared library and used
!         to search for other shared libraries that *it* depends on at
!         run-time.  (This may only be relevant on Unix.)
! 
!         'export_symbols' is a list of symbols that the shared library will
!         export.  (This appears to be relevant only on Windows.)
! 
!         '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).
  
+         Raises LinkError on failure.
+         """
          pass
      
***************
*** 570,581 ****
                              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).
  
!            Raises LinkError on failure."""
          pass
  
--- 571,583 ----
                              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).
  
!         Raises LinkError on failure.
!         """
          pass
  
***************
*** 592,601 ****
                           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.
  
!            Raises LinkError on failure."""
          pass
  
--- 594,604 ----
                           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.
  
!         Raises LinkError on failure.
!         """
          pass
  
***************
*** 608,629 ****
  
      def library_dir_option (self, dir):
!         """Return the compiler option to add 'dir' to the list of directories
!            searched for libraries."""
          raise NotImplementedError
  
      def runtime_library_dir_option (self, dir):
!         """Return the compiler option to add 'dir' to the list of directories
!            searched for runtime libraries."""
          raise NotImplementedError
  
      def library_option (self, lib):
          """Return the compiler option to add 'dir' to the list of libraries
!            linked into the shared library or executable."""
          raise NotImplementedError
  
      def find_library_file (self, dirs, lib):
          """Search the specified list of directories for a static or shared
!            library file 'lib' and return the full path to that file. Return
!            None if it wasn't found in any of the specified directories."""
          raise NotImplementedError
  
--- 611,636 ----
  
      def library_dir_option (self, dir):
!         """Return the compiler option to add 'dir' to the list of
!         directories searched for libraries.
!         """
          raise NotImplementedError
  
      def runtime_library_dir_option (self, dir):
!         """Return the compiler option to add 'dir' to the list of
!         directories searched for runtime libraries.
!         """
          raise NotImplementedError
  
      def library_option (self, lib):
          """Return the compiler option to add 'dir' to the list of libraries
!         linked into the shared library or executable.
!         """
          raise NotImplementedError
  
      def find_library_file (self, dirs, lib):
          """Search the specified list of directories for a static or shared
!         library file 'lib' and return the full path to that file. Return
!         None if it wasn't found in any of the specified directories.
!         """
          raise NotImplementedError
  
***************
*** 777,792 ****
                    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
--- 784,797 ----
                    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
***************
*** 821,833 ****
  
  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
--- 826,838 ----
  
  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
***************
*** 873,882 ****
  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 = []
  
--- 878,886 ----
  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 = []