5 files changed, 23 insertions, 6 deletions
diff --git a/common/debug.c b/common/debug.c
new file mode 100644
index 000000000..c4fa3a05b
--- /dev/null
+++ b/common/debug.c
@@ -0,0 +1,12 @@
+#include <stdbool.h>
+#include "debug.h"
+
+
+//debug_config_t debug_config = { .enable = false, .matrix = false };
+debug_config_t debug_config = {
+    .enable = false,
+    .matrix = false,
+    .keyboard = false,
+    .mouse = false,
+};
+
diff --git a/common/debug_config.h b/common/debug_config.h
index e00fd1033..43e4c5c55 100644
--- a/common/debug_config.h
+++ b/common/debug_config.h
@@ -36,7 +36,7 @@ typedef union {
         uint8_t reserved:4;
     };
 } debug_config_t;
-debug_config_t debug_config;
+extern debug_config_t debug_config;
 
 /* for backward compatibility */
 #define debug_enable    (debug_config.enable)
diff --git a/common/host.h b/common/host.h
index a56e6c3b0..918af69e8 100644
--- a/common/host.h
+++ b/common/host.h
@@ -32,8 +32,8 @@ extern "C" {
 extern bool keyboard_nkro;
 #endif
 
-uint8_t keyboard_idle;
-uint8_t keyboard_protocol;
+extern uint8_t keyboard_idle;
+extern uint8_t keyboard_protocol;
 
 
 /* host driver */
diff --git a/common/print.h b/common/print.h
index 930e84be9..779932891 100644
--- a/common/print.h
+++ b/common/print.h
@@ -34,10 +34,7 @@
 
 // this macro allows you to write print("some text") and
 // the string is automatically placed into flash memory :)
-// TODO: avoid collision with arduino/Print.h
-#ifndef __cplusplus
 #define print(s)                print_P(PSTR(s))
-#endif
 #define println(s)              print_P(PSTR(s "\n"))
 
 /* for old name */
diff --git a/common/xprintf.h b/common/xprintf.h
index f58bca817..59c6f2531 100644
--- a/common/xprintf.h
+++ b/common/xprintf.h
@@ -8,6 +8,10 @@
 #include <inttypes.h>
 #include <avr/pgmspace.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 extern void (*xfunc_out)(uint8_t);
 #define xdev_out(func) xfunc_out = (void(*)(uint8_t))(func)
 
@@ -99,5 +103,9 @@ char xatoi(char **str, long *ret);
     Pointer to return value
 */
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif