Move helper macros to single point of use

src/internal.h

@@ -330,13 +330,6 @@ typedef VkResult (APIENTRY * PFN_vkEnumerateInstanceExtensionProperties)(const c
 
 #include "platform.h"
 
-// Constructs a version number string from the public header macros
-#define _GLFW_CONCAT_VERSION(m, n, r) #m "." #n "." #r
-#define _GLFW_MAKE_VERSION(m, n, r) _GLFW_CONCAT_VERSION(m, n, r)
-#define _GLFW_VERSION_NUMBER _GLFW_MAKE_VERSION(GLFW_VERSION_MAJOR, \
-                                                GLFW_VERSION_MINOR, \
-                                                GLFW_VERSION_REVISION)
-
 // Checks for whether the library has been initialized
 #define _GLFW_REQUIRE_INIT()                         \
     if (!_glfw.initialized)                          \

src/platform.c

@@ -29,6 +29,10 @@
 
 #include "internal.h"
 
+// These construct a string literal from individual numeric constants
+#define _GLFW_CONCAT_VERSION(m, n, r) #m "." #n "." #r
+#define _GLFW_MAKE_VERSION(m, n, r) _GLFW_CONCAT_VERSION(m, n, r)
+
 //////////////////////////////////////////////////////////////////////////
 //////                       GLFW internal API                      //////
 //////////////////////////////////////////////////////////////////////////
@@ -146,7 +150,9 @@ GLFWAPI int glfwPlatformSupported(int platformID)
 
 GLFWAPI const char* glfwGetVersionString(void)
 {
-    return _GLFW_VERSION_NUMBER
+    return _GLFW_MAKE_VERSION(GLFW_VERSION_MAJOR,
+                              GLFW_VERSION_MINOR,
+                              GLFW_VERSION_REVISION)
 #if defined(_GLFW_WIN32)
         " Win32 WGL"
 #endif