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-rw-r--r--src/utils/cpuid.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/utils/cpuid.cpp b/src/utils/cpuid.cpp
index 8d801b75f..e4f5a1318 100644
--- a/src/utils/cpuid.cpp
+++ b/src/utils/cpuid.cpp
@@ -26,8 +26,10 @@
#include <ia32intrin.h>
#define CALL_CPUID(type, out) do { __cpuid(out, type); } while(0);
-#elif defined(BOTAN_BUILD_COMPILER_IS_GCC)
+#elif defined(BOTAN_BUILD_COMPILER_IS_GCC) && \
+ ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
+ // Only available starting in GCC 4.3
#include <cpuid.h>
#define CALL_CPUID(type, out) \
do { __get_cpuid(type, out, out+1, out+2, out+3); } while(0);