Refactored the HIDDEN macro into its own header

src/macros.h

@@ -0,0 +1,22 @@
+// Collection of macros used in sinqMotor and derived classes
+
+#ifndef macros_H
+#define macros_H
+
+/*
+The macro "HIDDEN" hides the symbol of the annotated class / function. This is
+useful to avoid symbol clashes when loading multiple shared libraries in a
+single IOC. To override the hiding, add `-DHIDDEN= ` to your compiler
+flags (in this case, the symbols will be exported with their default
+visibility).
+*/
+#ifndef HIDDEN
+#if defined(_WIN32) || defined(__CYGWIN__)
+#define HIDDEN
+#else
+#define HIDDEN __attribute__((visibility("hidden")))
+#endif
+#endif
+
+// macros_H
+#endif

src/msgPrintControl.h

@@ -6,25 +6,11 @@
 #define DefaultMaxRepetitions 4
 
 #include <asynDriver.h>
+#include <macros.h>
 #include <string.h>
 #include <string>
 #include <unordered_map>
 
-/*
-The macro "HIDDEN" hides the symbol of the annotated class / function. This is
-useful to avoid symbol clashes when loading multiple shared libraries in a
-single IOC. To override the hiding, add `-DHIDDEN= ` to your compiler
-flags (in this case, the symbols will be exported with their default
-visibility).
-*/
-#ifndef HIDDEN
-#if defined(_WIN32) || defined(__CYGWIN__)
-#define HIDDEN
-#else
-#define HIDDEN __attribute__((visibility("hidden")))
-#endif
-#endif
-
 /**
  * @brief Class to identify a message print location. See the docstring of
  * `msgPrintControl` on how to use this key.

src/sinqAxis.h

@@ -9,7 +9,7 @@ Stefan Mathis, November 2024
 #ifndef sinqAxis_H
 #define sinqAxis_H
 #include "asynMotorAxis.h"
-#include "msgPrintControl.h"
+#include <macros.h>
 #include <memory>
 #include <type_traits>
 

src/sinqController.h

@@ -12,6 +12,7 @@ Stefan Mathis, November 2024
 #include "asynMotorController.h"
 #include "msgPrintControl.h"
 #include <initHooks.h>
+#include <macros.h>
 #include <memory>
 
 #define motorMessageIsFromDriverString "MOTOR_MESSAGE_DRIVER"