diff --git a/cores/arduino/Arduino.h b/cores/arduino/Arduino.h
index c06201cfe..aba9e504e 100644
--- a/cores/arduino/Arduino.h
+++ b/cores/arduino/Arduino.h
@@ -56,11 +56,12 @@ extern "C"{
 #define NOT_A_PORT 255
 #define NOT_AN_INTERRUPT 255
 
+// make it c++ 17 happy 
 // undefine stdlib's abs if encountered
-#ifdef abs
-#undef abs
-#endif // abs
-#define abs(x) ((x)>0?(x):-(x))
+// #ifdef abs
+// #undef abs
+// #endif // abs
+// #define abs(x) ((x)>0?(x):-(x))
 
 #define interrupts()        __enable_irq()
 #define noInterrupts()      __disable_irq()
diff --git a/package.json b/package.json
new file mode 100644
index 000000000..288ebb91e
--- /dev/null
+++ b/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "framework-arduino-mbed",
+  "version": "3.1.1",
+  "description": "Arduino framework supporting mbed-enabled boards",
+  "keywords": [
+    "framework",
+    "arduino",
+    "mbed"
+  ],
+  "homepage": "https://www.arduino.cc/reference/en",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/arduino/ArduinoCore-mbed"
+  }
+}