Modifications to support iOS as a development platform

Lib/test/test_gdb.py

 # Verify that gdb can pretty-print the various PyObject* types
 #
 # The code for testing gdb was adapted from similar work in Unladen Swallow's
 # Lib/test/test_jit_gdb.py
 
 import os
 import re
 import pprint
 import subprocess
 import sys
@@ skipping 14 matching lines @@
     try:
         proc = subprocess.Popen(["gdb", "-nx", "--version"],
                                 stdout=subprocess.PIPE,
                                 universal_newlines=True)
         with proc:
             version = proc.communicate()[0]
     except OSError:
         # This is what "no gdb" looks like.  There may, however, be other
         # errors that manifest this way too.
         raise unittest.SkipTest("Couldn't find gdb on the path")
+    except AttributeError:
+        raise unittest.SkipTest("subprocess module doesn't provide Popen()")
 
     # Regex to parse:
     # 'GNU gdb (GDB; SUSE Linux Enterprise 12) 7.7\n' -> 7.7
     # 'GNU gdb (GDB) Fedora 7.9.1-17.fc22\n' -> 7.9
     # 'GNU gdb 6.1.1 [FreeBSD]\n' -> 6.1
     # 'GNU gdb (GDB) Fedora (7.5.1-37.fc18)\n' -> 7.5
     match = re.search(r"^GNU gdb.*?\b(\d+)\.(\d+)", version)
     if match is None:
         raise Exception("unable to parse GDB version: %r" % version)
     return (version, int(match.group(1)), int(match.group(2)))
@@ skipping 873 matching lines @@
     run_unittest(PrettyPrintTests,
                  PyListTests,
                  StackNavigationTests,
                  PyBtTests,
                  PyPrintTests,
                  PyLocalsTests
                  )
 
 if __name__ == "__main__":
     test_main()