allow for _SQUID_EXTERNNEW_ predefine

diff --git a/compat/os/macosx.h b/compat/os/macosx.h
index 049dafdac61840d4ef120f6f2f49b9857d876daa..a98e441ba2e0958f487ca82f80f253e03d2db346 100644 (file)
--- a/compat/os/macosx.h
+++ b/compat/os/macosx.h
@@ -21,7 +21,7 @@
 #include "compat/cmsg.h"
 
 // MacOS GCC 4.0.1 and 4.2.1 supply __GNUC_GNU_INLINE__ but do not actually define  __attribute__((gnu_inline))
-#if defined(__cplusplus)
+#if defined(__cplusplus) && !defined(_SQUID_EXTERNNEW_)
 #define _SQUID_EXTERNNEW_ extern inline
 #endif