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--- gcc-3.4.6/libstdc++-v3/config/cpu/m68k/atomicity.h 2004-03-18 18:36:28.000000000 +0100
+++ libstdc++-v3/config/cpu/m68k/atomicity.h 2013-05-19 20:23:32.000000000 +0200
@@ -31,7 +31,21 @@
namespace __gnu_cxx
{
-#if ( defined(__mc68020__) || defined(__mc68030__) \
+#if defined(__amigaos__)
+
+ _Atomic_word
+ __attribute__ ((__unused__))
+ __exchange_and_add (volatile _Atomic_word *__mem, int __val)
+ {
+ _Atomic_word __result;
+
+ __result = *__mem;
+ *__mem = __result + __val;
+
+ return __result;
+ }
+
+#elif ( defined(__mc68020__) || defined(__mc68030__) \
|| defined(__mc68040__) || defined(__mc68060__) ) \
&& !defined(__mcpu32__)
// These variants support compare-and-swap.
|
