bpo-33692: Update pythoninfo from master (GH-7301)

* bpo-33717: pythoninfo: add CC --version (GH-7290)

Author: vstinner

Lib/test/pythoninfo.py

@@ -497,6 +497,34 @@ def collect_test_support(info_add):
  call_func(info_add, 'test_support.python_is_optimized', support, 'python_is_optimized')
 
 
+def collect_cc(info_add):
+ import subprocess
+ import sysconfig
+
+ CC = sysconfig.get_config_var('CC')
+ if not CC:
+ return
+
+ try:
+ import shlex
+ args = shlex.split(CC)
+ except ImportError:
+ args = CC.split()
+ args.append('--version')
+ proc = subprocess.Popen(args,
+ stdout=subprocess.PIPE,
+ stderr=subprocess.STDOUT,
+ universal_newlines=True)
+ stdout = proc.communicate()[0]
+ if proc.returncode:
+ # CC --version failed: ignore error
+ return
+
+ text = stdout.splitlines()[0]
+ text = normalize_text(text)
+ info_add('CC.version', text)
+
+
 def collect_info(info):
  error = False
  info_add = info.add
@@ -523,6 +551,7 @@ def collect_info(info):
  collect_decimal,
  collect_testcapi,
  collect_resource,
+ collect_cc,
 
  # Collecting from tests should be last as they have side effects.
  collect_test_socket,