diff --git a/src/gallium/auxiliary/util/u_cpu_detect.c b/src/gallium/auxiliary/util/u_cpu_detect.c
index 23d33af4e41..879643463fb 100644
--- a/src/gallium/auxiliary/util/u_cpu_detect.c
+++ b/src/gallium/auxiliary/util/u_cpu_detect.c
@@ -75,7 +75,10 @@
 
 struct util_cpu_caps util_cpu_caps;
 
+#if defined(PIPE_ARCH_X86) || defined(PIPE_ARCH_X86_64)
 static int has_cpuid(void);
+#endif
+
 
 #if defined(PIPE_ARCH_X86)