X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=compiler%2Fcompiler.h;h=ddfbcc124e77ac2b1a5d7aea1640ccbc4577a331;hb=4d2707ef027cc5b2418ab5de622318e0f70c096a;hp=4d92ac4949c4a5111df6ae5ba0fd36325281be49;hpb=c473a9bd8fadf0b8e7521edcabb2204d87f35b04;p=fio.git

diff --git a/compiler/compiler.h b/compiler/compiler.h
index 4d92ac49..ddfbcc12 100644
--- a/compiler/compiler.h
+++ b/compiler/compiler.h
@@ -2,12 +2,10 @@
 #define FIO_COMPILER_H
 
 /* IWYU pragma: begin_exports */
-#if __GNUC__ >= 4
+#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
 #include "compiler-gcc4.h"
-#elif __GNUC__ == 3
-#include "compiler-gcc3.h"
 #else
-#error Compiler too old, need gcc at least gcc 3.x
+#error Compiler too old, need at least gcc 4.1.0
 #endif
 /* IWYU pragma: end_exports */
 
@@ -30,7 +28,7 @@
  */
 #define typecheck(type,x) \
 ({	type __dummy; \
-	typeof(x) __dummy2; \
+	__typeof__(x) __dummy2; \
 	(void)(&__dummy == &__dummy2); \
 	1; \
 })
@@ -72,7 +70,7 @@
 
 #ifdef FIO_INTERNAL
 #define ARRAY_SIZE(x)    (sizeof((x)) / (sizeof((x)[0])))
-#define FIELD_SIZE(s, f) (sizeof(((typeof(s))0)->f))
+#define FIELD_SIZE(s, f) (sizeof(((__typeof__(s))0)->f))
 #endif
 
 #endif