scons.patch

diff --git a/engine/SCons/Platform/__init__.py b/engine/SCons/Platform/__init__.py
index d8be160..201ac42 100644
--- a/engine/SCons/Platform/__init__.py
+++ b/engine/SCons/Platform/__init__.py
@@ -62,6 +62,9 @@ def platform_default():
     files.  Since we're architecture independent, though, we don't
     care about the machine architecture.
     """
+    if 'HOMEBREW_BREW_FILE' in os.environ:
+        return 'homebrew'
+
     osname = os.name
     if osname == 'java':
         osname = os._osType
diff --git a/engine/SCons/Platform/homebrew.py b/engine/SCons/Platform/homebrew.py
new file mode 100644
index 0000000..34f8ee1
--- /dev/null
+++ b/engine/SCons/Platform/homebrew.py
@@ -0,0 +1,11 @@
+import posix
+import darwin
+import os
+import sys
+
+def generate(env):
+    if sys.platform.find('darwin') != -1:
+        darwin.generate(env)
+    else:
+        posix.generate(env)
+    env['PATH'] = os.environ['PATH']