libxc: fix build (introduce _AC())

Signed-off-by: Jan Beulich <jbeulich@suse.com>

diff --git a/tools/libxc/xc_cpuid_x86.c b/tools/libxc/xc_cpuid_x86.c
index 5c209e4c15670e2f87df1cb178daf0b9f6920cf7..4afafce1a1ad18e9ed611693e720a83d6ac9d2fc 100644 (file)
--- a/tools/libxc/xc_cpuid_x86.c
+++ b/tools/libxc/xc_cpuid_x86.c
@@ -26,6 +26,9 @@
 #include "xc_bitops.h"
 #include <xen/hvm/params.h>
 
+#define __AC(X,Y) (X##Y)
+#define _AC(X,Y)  __AC(X,Y)
+
 enum {
 #define XEN_CPUFEATURE(name, value) X86_FEATURE_##name = value,
 #include <xen/arch-x86/cpufeatureset.h>