added option that, bu default, disables linking against -framework. Re-enable,…

theano/configdefaults.py

@@ -52,3 +52,7 @@ AddConfigVar('cuda.root',
 AddConfigVar('gpuelemwise.sync',
         "when true, wait that the gpu fct finished and check it error code.",
         BoolParam(True))
+
+AddConfigVar('cmodule.mac_framework_link',
+        "If set to true, breaks certain mac installations with the infamous Bus Error",
+        BoolParam(False))

theano/gof/cmodule.py

@@ -625,8 +625,11 @@ def gcc_module_compile_str(module_name, src_code, location=None, include_dirs=[]
     #DSE Patch 1 for supporting OSX frameworks; add -framework Python 
     if sys.platform=='darwin' :
         preargs.extend(['-undefined','dynamic_lookup'])
-        #if python_inc.count('Python.framework')>0 :
-        #    preargs.extend(['-framework','Python'])
+        # link with the framework library *if specifically requested*
+        # config.mac_framework_link is by default False, since on some mac
+        # installs linking with -framework causes a Bus Error
+        if python_inc.count('Python.framework')>0 and config.cmodule.mac_framework_link:
+            preargs.extend(['-framework','Python'])
 
     workdir = location