sip: fix build for unbrewed pythons

Homebrew · Jun 18, 2015 · d514826 · d514826
1 parent 27d2e08
commit d514826
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Formula/sip.rb b/Formula/sip.rb
@@ -41,7 +41,7 @@ def install
       system "make", "install"
       system "make", "clean"
 
-      if which(python).realpath == (Formula[python].bin/python).realpath
+      if Formula[python].installed? && which(python).realpath == (Formula[python].bin/python).realpath
         inreplace lib/"python#{version}/site-packages/sipconfig.py", Formula[python].prefix, Formula[python].opt_prefix
       end
     end