fdc: fix FD_SR0_SEEK for non-DMA transfers and multi sectors transfers

[qemu.git] / compiler.h

diff --git a/compiler.h b/compiler.h
index f76921e5b059f16857e3cc136089358c275681be..55d7d74775e02f7d3b30c2d771d0292b3779620d 100644 (file)
--- a/compiler.h
+++ b/compiler.h
@@ -44,11 +44,26 @@
    /* Use gnu_printf when supported (qemu uses standard format strings). */
 #  define GCC_ATTR __attribute__((__unused__, format(gnu_printf, 1, 2)))
 #  define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m)))
+#  if defined(_WIN32)
+    /* Map __printf__ to __gnu_printf__ because we want standard format strings
+     * even when MinGW or GLib include files use __printf__. */
+#   define __printf__ __gnu_printf__
+#  endif
+# endif
+# if defined(__APPLE__)
+#  define QEMU_WEAK_ALIAS(newname, oldname) \
+        static typeof(oldname) weak_##newname __attribute__((unused, weakref(#oldname)))
+#  define QEMU_WEAK_REF(newname, oldname) (weak_##newname ? weak_##newname : oldname)
+# else
+#  define QEMU_WEAK_ALIAS(newname, oldname) \
+        typeof(oldname) newname __attribute__((weak, alias (#oldname)))
+#  define QEMU_WEAK_REF(newname, oldname) newname
 # endif
-#define GCC_WEAK __attribute__((weak))
 #else
 #define GCC_ATTR /**/
 #define GCC_FMT_ATTR(n, m)
+#define QEMU_WEAK_ALIAS(newname, oldname) \
+        _Pragma("weak " #newname "=" #oldname)
 #endif
 
 #endif /* COMPILER_H */