compiler.h: Use glue() in QEMU_BUILD_BUG_ON define

Rather than rolling custom concatenate-strings macros for the QEMU_BUILD_BUG_ON macro to use, use the glue() macro we already have (since it's now available to us in this header). Signed-off-by: Peter Maydell <[email protected]> Reviewed-by: Daniel P. Berrange <[email protected]>
Mutinifni · Aug 19, 2015 · 24134c4 · 24134c4
1 parent 4912086
commit 24134c4
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h
@@ -89,10 +89,8 @@
 #define inline always_inline
 #endif
 
-#define cat(x,y) x ## y
-#define cat2(x,y) cat(x,y)
 #define QEMU_BUILD_BUG_ON(x) \
-    typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused));
+    typedef char glue(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused));
 
 #if defined __GNUC__
 # if !QEMU_GNUC_PREREQ(4, 4)