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Maciej Fijalkowski committed 1325866

Another missing file from mergex

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Files changed (1)

pypy/config/support.py

+
+""" Some support code
+"""
+
+import re, sys, os
+
+def detect_number_of_processors(filename_or_file='/proc/cpuinfo'):
+    if sys.platform != 'linux2':
+        return 1    # implement me
+    if os.environ.get('MAKEFLAGS'):
+        return 1    # don't override MAKEFLAGS.  This will call 'make' without any '-j' option
+    try:
+        if isinstance(filename_or_file, str):
+            f = open(filename_or_file, "r")
+        else:
+            f = filename_or_file
+        return max([int(re.split('processor.*(\d+)', line)[1])
+                    for line in f.readlines()
+                    if line.startswith('processor')]) + 1
+    except:
+        return 1 # we really don't want to explode here, at worst we have 1