Bazaar - don't use Intel flags when building against system Python.

Formula/bazaar.rb

@@ -8,6 +8,12 @@ class Bazaar <Formula
   aka :bzr
 
   def install
+    # Find the archs of the Python we are building against.
+    # If the python includes PPC support, then don't use Intel-
+    # specific compiler flags
+    archs = archs_for_command("python")
+    ENV.minimal_optimization if archs.include? :ppc64 or archs.include? :ppc7400
+
     # Make the manual before we install (mv) bzrlib
     system "make man1/bzr.1"
     man1.install gzip('man1/bzr.1')