Fix intel compiler to sort versions >9 correctly (esp. on Linux)

1 files changed, 5 insertions, 1 deletions

diff --git a/src/engine/SCons/Tool/intelc.py b/src/engine/SCons/Tool/intelc.py
index dea5b92..b4a3c90 100644
--- a/src/engine/SCons/Tool/intelc.py
+++ b/src/engine/SCons/Tool/intelc.py
@@ -245,7 +245,11 @@ def get_all_compiler_versions():
             m = re.search(r'([0-9][0-9.]*)$', d)
             if m:
                 versions.append(m.group(1))
-    return sorted(uniquify(versions))       # remove dups
+    def keyfunc(str):
+        """Given a dot-separated version string, return a tuple of ints representing it."""
+        return [int(x) for x in str.split('.')]
+    # split into ints, sort, then remove dups
+    return sorted(uniquify(versions), key=keyfunc, reverse=True)
 
 def get_intel_compiler_top(version, abi):
     """