Add member to cpu_features struct if empty

When WITH_OPTIM is off, the cpu_features struct is empty. This is not
allowed in standard C and causes a build failure with various compilers,
including MSVC.

This adds a dummy char member to the struct if it would otherwise be
empty.

diff --git a/cpu_features.h b/cpu_features.h
index 14eb19a751023d632922009f11db070db741fe81..462671a187ee264a01bcb8c86f1f5d1d7457f6c5 100644 (file)
--- a/cpu_features.h
+++ b/cpu_features.h
@@ -29,6 +29,8 @@ struct cpu_features {
     struct power_cpu_features power;
 #elif defined(S390_FEATURES)
     struct s390_cpu_features s390;
+#else
+    char empty;
 #endif
 };