Add c++11 build python binding package

paddle/api/paddle_ld_flags.py

@@ -141,9 +141,12 @@ try:
 
         def c_flag(self):
             if self.with_coverage:
-                return ["-fprofile-arcs", "-ftest-coverage", "-O0", "-g"]
+                return [
+                    "-fprofile-arcs", "-ftest-coverage", "-O0", "-g",
+                    "-std=c++11"
+                ]
             else:
-                return None
+                return ["-std=c++11"]
 except ImportError:
 
     class PaddleLDFlag(object):

paddle/setup.py.in

@@ -30,8 +30,10 @@ is_lin = (system == 'linux')
 # The extra links will passed from COMAKE
 #   because generate paddle LDFLAGS is too complicated to do in setup.py
 #   it just read COMAKE generated LDFLAGS.
+extra_comps = []
 extra_links = []
 obj = api.paddle_ld_flags.PaddleLDFlag()
+extra_comps = obj.c_flag()
 ldflags = obj.ldflag_str()
 if ldflags is not None:
   extra_links.extend(ldflags.split(" "))
@@ -51,20 +53,15 @@ elif is_osx == True:
 
 include_dirs = [np.get_include(), "../"]    # include numpy and paddle.
 
-extra_c = obj.c_flag()
-
-attr=dict()
-if extra_c is not None:
-  attr["extra_compile_args"] = extra_c
-
 setup(name="py_paddle",
   version="@PADDLE_VERSION@",
   ext_modules=[
     Extension('py_paddle._swig_paddle',      # Build SWIG Extension.
        ['Paddle_wrap.cxx'],
+       language = "c++",
        include_dirs = include_dirs,
        extra_link_args = extra_links,
-       **attr
+       extra_compile_args = extra_comps
     )
   ],
   packages=['py_paddle'],