diff --git a/binding.gyp b/binding.gyp
index f324c30..a77ecee 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -21,14 +21,14 @@
                     "-lboost_date_time",
                 ]
             },
-            "cflags_cc!": [ "-fno-exceptions", "-fno-rtti" ],
+            "cflags_c":  [
+                "-std=gnu11 -march=native -fPIC -m64 -DNDEBUG -Ofast -funroll-loops -fvariable-expansion-in-unroller -ftree-loop-if-convert-stores -fmerge-all-constants -fbranch-target-load-optimize2"
+            ],
             "cflags_cc": [
-                  "-std=c++0x",
-                  "-fexceptions",
-                  "-frtti",
+                "-std=gnu++11 -march=native -fPIC -m64 -DNDEBUG -Ofast -s -funroll-loops -fvariable-expansion-in-unroller -ftree-loop-if-convert-stores -fmerge-all-constants -fbranch-target-load-optimize2"
             ],
             "xcode_settings": {
-              "OTHER_CFLAGS": ["-fexceptions", "-frtti"]
+                "OTHER_CFLAGS": [ "-fexceptions -frtti" ]
             }
         }
     ]