From 63dc56155108b284542b73664a16b24ef2403ec2 Mon Sep 17 00:00:00 2001
From: Steven Knight <knight@baldmt.com>
Date: Thu, 10 Jan 2002 03:44:53 +0000
Subject: In the Object Builder, use a single Action instance for all of the
 C++ file suffixes.

---
 src/CHANGES.txt              |  3 +++
 src/engine/SCons/Defaults.py | 15 +++++++++------
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/CHANGES.txt b/src/CHANGES.txt
index 2d29028..8717bcf 100644
--- a/src/CHANGES.txt
+++ b/src/CHANGES.txt
@@ -42,6 +42,9 @@ RELEASE 0.03 -
 
   - Put the Action factory and classes into their own module.
 
+  - Use one CPlusPlusAction in the Object Builder's action dictionary,
+    instead of letting it create multiple identical instances.
+
   From Anthony Roach:
 
   - Add a "duplicate" keyword argument to BuildDir() that can be set
diff --git a/src/engine/SCons/Defaults.py b/src/engine/SCons/Defaults.py
index 2e11c37..5b98595 100644
--- a/src/engine/SCons/Defaults.py
+++ b/src/engine/SCons/Defaults.py
@@ -37,6 +37,7 @@ __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
 
 
 import os
+import SCons.Action
 import SCons.Builder
 import SCons.Scanner.C
 import SCons.Scanner.Prog
@@ -49,14 +50,16 @@ CFile = SCons.Builder.Builder(name = 'CFile',
                                        },
                               suffix = '.c')
 
+CPlusPlusAction = SCons.Action.Action('$CXXCOM')
+
 Object = SCons.Builder.Builder(name = 'Object',
                                action = { '.c'   : '$CCCOM',
-                                          '.C'   : '$CXXCOM',
-                                          '.cc'  : '$CXXCOM',
-                                          '.cpp' : '$CXXCOM',
-                                          '.cxx' : '$CXXCOM',
-                                          '.c++' : '$CXXCOM',
-                                          '.C++' : '$CXXCOM',
+                                          '.C'   : CPlusPlusAction,
+                                          '.cc'  : CPlusPlusAction,
+                                          '.cpp' : CPlusPlusAction,
+                                          '.cxx' : CPlusPlusAction,
+                                          '.c++' : CPlusPlusAction,
+                                          '.C++' : CPlusPlusAction,
                                         },
                                prefix = '$OBJPREFIX',
                                suffix = '$OBJSUFFIX',
-- 
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