Check WIRE_INTERFACES_COUNT and SPI_INTERFACES_COUNT

libraries/SPI/SPI.cpp

@@ -244,4 +244,6 @@ void SPIClass::detachInterrupt() {
   // Should be disableInterrupt()
 }
 
+#if SPI_INTERFACES_COUNT > 0
 SPIClass SPI (NRF_SPI0,  PIN_SPI_MISO,  PIN_SPI_SCK,  PIN_SPI_MOSI);
+#endif

libraries/SPI/SPI.h

@@ -133,9 +133,9 @@ void SPIClass::transfer(void *buf, size_t count)
     buffer[i] = transfer(buffer[i]);
 }
 
+#if SPI_INTERFACES_COUNT > 0
 extern SPIClass SPI;
-extern SPIClass SPI1;
-extern SPIClass SPI2;
+#endif
 
 // For compatibility with sketches designed for AVR @ 16 MHz
 // New programs should use SPI.beginTransaction to set the SPI clock

libraries/Wire/Wire.h

@@ -103,6 +103,8 @@ class TwoWire : public Stream
     static const uint32_t TWI_CLOCK = 100000;
 };
 
+#if WIRE_INTERFACES_COUNT > 0
 extern TwoWire Wire;
+#endif
 
 #endif

libraries/Wire/Wire_nRF51.cpp

@@ -281,6 +281,7 @@ void TwoWire::onService(void)
 {
 }
 
+#if WIRE_INTERFACES_COUNT > 0
 TwoWire Wire(NRF_TWI1, SPI1_TWI1_IRQn, PIN_WIRE_SDA, PIN_WIRE_SCL);
 
 extern "C"
@@ -290,5 +291,6 @@ extern "C"
     Wire.onService();
   }
 }
+#endif
 
 #endif

libraries/Wire/Wire_nRF52.cpp

@@ -386,6 +386,7 @@ void TwoWire::onService(void)
 
 TwoWire Wire(NRF_TWIM1, NRF_TWIS1, SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQn, PIN_WIRE_SDA, PIN_WIRE_SCL);
 
+#if WIRE_INTERFACES_COUNT > 0
 extern "C"
 {
   void SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler(void)
@@ -393,5 +394,6 @@ extern "C"
     Wire.onService();
   }
 }
+#endif
 
 #endif