Merge pull request #2653 from pypa/distutils-refresh

Distutils refresh

changelog.d/2653.change.rst

@@ -0,0 +1 @@
+Incorporated assorted changes from pypa/distutils.

setuptools/_distutils/_msvccompiler.py

@@ -248,7 +248,7 @@ def initialize(self, plat_name=None):
         # Future releases of Python 3.x will include all past
         # versions of vcruntime*.dll for compatibility.
         self.compile_options = [
-            '/nologo', '/Ox', '/W3', '/GL', '/DNDEBUG', '/MD'
+            '/nologo', '/O2', '/W3', '/GL', '/DNDEBUG', '/MD'
         ]
 
         self.compile_options_debug = [

setuptools/_distutils/ccompiler.py

@@ -792,13 +792,20 @@ def has_function(self, funcname, includes=None, include_dirs=None,
             objects = self.compile([fname], include_dirs=include_dirs)
         except CompileError:
             return False
+        finally:
+            os.remove(fname)
 
         try:
             self.link_executable(objects, "a.out",
                                  libraries=libraries,
                                  library_dirs=library_dirs)
         except (LinkError, TypeError):
             return False
+        else:
+            os.remove("a.out")
+        finally:
+            for fn in objects:
+                os.remove(fn)
         return True
 
     def find_library_file (self, dirs, lib, debug=0):

setuptools/_distutils/msvc9compiler.py

@@ -399,13 +399,13 @@ def initialize(self, plat_name=None):
 
         self.preprocess_options = None
         if self.__arch == "x86":
-            self.compile_options = [ '/nologo', '/Ox', '/MD', '/W3',
+            self.compile_options = [ '/nologo', '/O2', '/MD', '/W3',
                                      '/DNDEBUG']
             self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3',
                                           '/Z7', '/D_DEBUG']
         else:
             # Win64
-            self.compile_options = [ '/nologo', '/Ox', '/MD', '/W3', '/GS-' ,
+            self.compile_options = [ '/nologo', '/O2', '/MD', '/W3', '/GS-' ,
                                      '/DNDEBUG']
             self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3', '/GS-',
                                           '/Z7', '/D_DEBUG']

setuptools/_distutils/msvccompiler.py

@@ -283,13 +283,13 @@ def initialize(self):
 
         self.preprocess_options = None
         if self.__arch == "Intel":
-            self.compile_options = [ '/nologo', '/Ox', '/MD', '/W3', '/GX' ,
+            self.compile_options = [ '/nologo', '/O2', '/MD', '/W3', '/GX' ,
                                      '/DNDEBUG']
             self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3', '/GX',
                                           '/Z7', '/D_DEBUG']
         else:
             # Win64
-            self.compile_options = [ '/nologo', '/Ox', '/MD', '/W3', '/GS-' ,
+            self.compile_options = [ '/nologo', '/O2', '/MD', '/W3', '/GS-' ,
                                      '/DNDEBUG']
             self.compile_options_debug = ['/nologo', '/Od', '/MDd', '/W3', '/GS-',
                                           '/Z7', '/D_DEBUG']

setuptools/_distutils/spawn.py

@@ -40,7 +40,7 @@ def spawn(cmd, search_path=1, verbose=0, dry_run=0, env=None):
     # in, protect our %-formatting code against horrible death
     cmd = list(cmd)
 
-    log.info(' '.join(cmd))
+    log.info(subprocess.list2cmdline(cmd))
     if dry_run:
         return
 
@@ -60,13 +60,17 @@ def spawn(cmd, search_path=1, verbose=0, dry_run=0, env=None):
             if _cfg_target:
                 _cfg_target_split = [int(x) for x in _cfg_target.split('.')]
         if _cfg_target:
-            # ensure that the deployment target of build process is not less
-            # than that used when the interpreter was built. This ensures
-            # extension modules are built with correct compatibility values
+            # Ensure that the deployment target of the build process is not
+            # less than 10.3 if the interpreter was built for 10.3 or later.
+            # This ensures extension modules are built with correct
+            # compatibility values, specifically LDSHARED which can use
+            # '-undefined dynamic_lookup' which only works on >= 10.3.
             cur_target = os.environ.get('MACOSX_DEPLOYMENT_TARGET', _cfg_target)
-            if _cfg_target_split > [int(x) for x in cur_target.split('.')]:
+            cur_target_split = [int(x) for x in cur_target.split('.')]
+            if _cfg_target_split[:2] >= [10, 3] and cur_target_split[:2] < [10, 3]:
                 my_msg = ('$MACOSX_DEPLOYMENT_TARGET mismatch: '
-                          'now "%s" but "%s" during configure'
+                          'now "%s" but "%s" during configure;'
+                          'must use 10.3 or later'
                                 % (cur_target, _cfg_target))
                 raise DistutilsPlatformError(my_msg)
             env.update(MACOSX_DEPLOYMENT_TARGET=cur_target)