Refactor compile() method implementations.

Always use _setup_compile() to do the grunt work of processing
arguments, figuring out which files to compile, and emitting debug
messages for files that are up-to-date.

Use _get_cc_args() when possible.

Lib/distutils/bcppcompiler.py

@@ -80,23 +80,13 @@ class BCPPCompiler(CCompiler) :
 
     # -- Worker methods ------------------------------------------------
 
-    def compile (self,
-                 sources,
-                 output_dir=None,
-                 macros=None,
-                 include_dirs=None,
-                 debug=0,
-                 extra_preargs=None,
-                 extra_postargs=None):
+    def compile(self, sources,
+                output_dir=None, macros=None, include_dirs=None, debug=0,
+                extra_preargs=None, extra_postargs=None, depends=None):
         
-        (output_dir, macros, include_dirs) = \
-            self._fix_compile_args (output_dir, macros, include_dirs)
-        (objects, skip_sources) = self._prep_compile (sources, output_dir)
-
-        if extra_postargs is None:
-            extra_postargs = []
-
-        pp_opts = gen_preprocess_options (macros, include_dirs)
+        macros, objects, extra_postargs, pp_opts, build = \
+                self._setup_compile(output_dir, macros, include_dirs, sources,
+                                    depends, extra_postargs)
         compile_opts = extra_preargs or []
         compile_opts.append ('-c')
         if debug:
@@ -104,15 +94,12 @@ class BCPPCompiler(CCompiler) :
         else:
             compile_opts.extend (self.compile_options)
 
-        for i in range (len (sources)):
-            src = sources[i] ; obj = objects[i]
-            ext = (os.path.splitext (src))[1]
-
-            if skip_sources[src]:
-                log.debug("skipping %s (%s up-to-date)", src, obj)
-            else:
+        for obj, (src, ext) in build.items():
+            # XXX why do the normpath here?
             src = os.path.normpath(src)
             obj = os.path.normpath(obj)
+            # XXX _setup_compile() did a mkpath() too but before the normpath.
+            # Is it possible to skip the normpath?
             self.mkpath(os.path.dirname(obj))
 
             if ext == '.res':

Lib/distutils/cygwinccompiler.py

@@ -62,10 +62,7 @@ class CygwinCCompiler (UnixCCompiler):
     shared_lib_format = "%s%s"
     exe_extension = ".exe"
 
-    def __init__ (self,
-                  verbose=0,
-                  dry_run=0,
-                  force=0):
+    def __init__ (self, verbose=0, dry_run=0, force=0):
 
         UnixCCompiler.__init__ (self, verbose, dry_run, force)
 
@@ -74,11 +71,12 @@ class CygwinCCompiler (UnixCCompiler):
                          (status, details))
         if status is not CONFIG_H_OK:
             self.warn(
-                "Python's pyconfig.h doesn't seem to support your compiler.  " +
-                ("Reason: %s." % details) +
-                "Compiling may fail because of undefined preprocessor macros.")
+                "Python's pyconfig.h doesn't seem to support your compiler. " 
+                "Reason: %s. "
+                "Compiling may fail because of undefined preprocessor macros."
+                % details)
 
-        (self.gcc_version, self.ld_version, self.dllwrap_version) = \
+        self.gcc_version, self.ld_version, self.dllwrap_version = \
             get_versions()
         self.debug_print(self.compiler_type + ": gcc %s, ld %s, dllwrap %s\n" %
                          (self.gcc_version,
@@ -120,38 +118,16 @@ class CygwinCCompiler (UnixCCompiler):
     # we put here a adapted version of it.
     # (If we would call compile() in the base class, it would do some
     # initializations a second time, this is why all is done here.)
-    def compile (self,
-                 sources,
-                 output_dir=None,
-                 macros=None,
-                 include_dirs=None,
-                 debug=0,
-                 extra_preargs=None,
-                 extra_postargs=None):
+    def compile(self, sources,
+                output_dir=None, macros=None, include_dirs=None, debug=0,
+                extra_preargs=None, extra_postargs=None, depends=None):
         
-        (output_dir, macros, include_dirs) = \
-            self._fix_compile_args (output_dir, macros, include_dirs)
-        (objects, skip_sources) = self._prep_compile (sources, output_dir)
+        macros, objects, extra_postargs, pp_opts, build = \
+                self._setup_compile(output_dir, macros, include_dirs, sources,
+                                    depends, extra_postargs)
+        cc_args = self._get_cc_args(pp_opts, debug, extra_preargs)
 
-        # Figure out the options for the compiler command line.
-        pp_opts = gen_preprocess_options (macros, include_dirs)
-        cc_args = pp_opts + ['-c']
-        if debug:
-            cc_args[:0] = ['-g']
-        if extra_preargs:
-            cc_args[:0] = extra_preargs
-        if extra_postargs is None:
-            extra_postargs = []
-
-        # Compile all source files that weren't eliminated by
-        # '_prep_compile()'.
-        for i in range (len (sources)):
-            src = sources[i] ; obj = objects[i]
-            ext = (os.path.splitext (src))[1]
-            if skip_sources[src]:
-                log.debug("skipping %s (%s up-to-date)", src, obj)
-            else:
-                self.mkpath (os.path.dirname (obj))
+        for obj, (src, ext) in build.items():
             if ext == '.rc' or ext == '.res':
                 # gcc needs '.res' and '.rc' compiled to object files !!!
                 try:
@@ -169,9 +145,6 @@ class CygwinCCompiler (UnixCCompiler):
         # Return *all* object filenames, not just the ones we just built.
         return objects
 
-    # compile ()
-
-
     def link (self,
               target_desc,
               objects,

Lib/distutils/emxccompiler.py

@@ -81,38 +81,17 @@ class EMXCCompiler (UnixCCompiler):
     # we put here a adapted version of it.
     # (If we would call compile() in the base class, it would do some 
     # initializations a second time, this is why all is done here.)
-    def compile (self,
-                 sources,
-                 output_dir=None,
-                 macros=None,
-                 include_dirs=None,
-                 debug=0,
-                 extra_preargs=None,
-                 extra_postargs=None):
 
-        (output_dir, macros, include_dirs) = \
-            self._fix_compile_args (output_dir, macros, include_dirs)
-        (objects, skip_sources) = self._prep_compile (sources, output_dir)
+    def compile(self, sources,
+                output_dir=None, macros=None, include_dirs=None, debug=0,
+                extra_preargs=None, extra_postargs=None, depends=None):
         
-        # Figure out the options for the compiler command line.
-        pp_opts = gen_preprocess_options (macros, include_dirs)
-        cc_args = pp_opts + ['-c']
-        if debug:
-            cc_args[:0] = ['-g']
-        if extra_preargs:
-            cc_args[:0] = extra_preargs
-        if extra_postargs is None:
-            extra_postargs = []
+        macros, objects, extra_postargs, pp_opts, build = \
+                self._setup_compile(output_dir, macros, include_dirs, sources,
+                                    depends, extra_postargs)
+        cc_args = self._get_cc_args(pp_opts, debug, extra_preargs)
 
-        # Compile all source files that weren't eliminated by
-        # '_prep_compile()'.        
-        for i in range (len (sources)):
-            src = sources[i] ; obj = objects[i]
-            ext = (os.path.splitext (src))[1]
-            if skip_sources[src]:
-                log.debug("skipping %s (%s up-to-date)", src, obj)
-            else:
-                self.mkpath (os.path.dirname (obj))
+        for obj, (src, ext) in build.items():
             if ext == '.rc':
                 # gcc requires '.rc' compiled to binary ('.res') files !!!
                 try:

Lib/distutils/msvccompiler.py

@@ -277,23 +277,14 @@ class MSVCCompiler (CCompiler) :
     # object_filenames ()
 
 
-    def compile (self,
-                 sources,
-                 output_dir=None,
-                 macros=None,
-                 include_dirs=None,
-                 debug=0,
-                 extra_preargs=None,
-                 extra_postargs=None):
+    def compile(self, sources,
+                output_dir=None, macros=None, include_dirs=None, debug=0,
+                extra_preargs=None, extra_postargs=None, depends=None):
 
-        (output_dir, macros, include_dirs) = \
-            self._fix_compile_args (output_dir, macros, include_dirs)
-        (objects, skip_sources) = self._prep_compile (sources, output_dir)
+        macros, objects, extra_postargs, pp_opts, build = \
+                self._setup_compile(output_dir, macros, include_dirs, sources,
+                                    depends, extra_postargs)
 
-        if extra_postargs is None:
-            extra_postargs = []
-
-        pp_opts = gen_preprocess_options (macros, include_dirs)
         compile_opts = extra_preargs or []
         compile_opts.append ('/c')
         if debug:
@@ -301,15 +292,7 @@ class MSVCCompiler (CCompiler) :
         else:
             compile_opts.extend(self.compile_options)
 
-        for i in range (len (sources)):
-            src = sources[i] ; obj = objects[i]
-            ext = (os.path.splitext (src))[1]
-
-            if skip_sources[src]:
-                log.debug("skipping %s (%s up-to-date)", src, obj)
-            else:
-                self.mkpath (os.path.dirname (obj))
-
+        for obj, (src, ext) in build.items():
             if debug:
                 # pass the full pathname to MSVC in debug mode,
                 # this allows the debugger to find the source file

Lib/distutils/unixccompiler.py

@@ -107,30 +107,14 @@ class UnixCCompiler(CCompiler):
 
     def compile(self, sources,
                 output_dir=None, macros=None, include_dirs=None, debug=0,
-                extra_preargs=None, extra_postargs=None):
-        output_dir, macros, include_dirs = \
-            self._fix_compile_args(output_dir, macros, include_dirs)
-        objects, skip_sources = self._prep_compile(sources, output_dir)
+                extra_preargs=None, extra_postargs=None, depends=None):
         
-        # Figure out the options for the compiler command line.
-        pp_opts = gen_preprocess_options(macros, include_dirs)
-        cc_args = pp_opts + ['-c']
-        if debug:
-            cc_args[:0] = ['-g']
-        if extra_preargs:
-            cc_args[:0] = extra_preargs
-        if extra_postargs is None:
-            extra_postargs = []
+        macros, objects, extra_postargs, pp_opts, build = \
+                self._setup_compile(output_dir, macros, include_dirs, sources,
+                                    depends, extra_postargs)
+        cc_args = self._get_cc_args(pp_opts, debug, extra_preargs)
 
-        # Compile all source files that weren't eliminated by
-        # '_prep_compile()'.
-        for i in range(len(sources)):
-            src = sources[i]
-            obj = objects[i]
-            if skip_sources[src]:
-                log.debug("skipping %s (%s up-to-date)", src, obj)
-            else:
-                self.mkpath(os.path.dirname(obj))
+        for obj, (src, ext) in build.items():
             try:
                 self.spawn(self.compiler_so + cc_args +
                            [src, '-o', obj] + extra_postargs)