attempt to fix compile error gcc lt 4.9

[proxmark3-svn] / client / cmdhfmfhard.c

diff --git a/client/cmdhfmfhard.c b/client/cmdhfmfhard.c
index ee46b79c86e181d262a293b9f50b015bd591cc18..01dcc35d928fc2851add3f4a4bd6a8d966c0768d 100644 (file)
--- a/client/cmdhfmfhard.c
+++ b/client/cmdhfmfhard.c
@@ -69,7 +69,7 @@ static float brute_force_per_second;
 
 
 static void get_SIMD_instruction_set(char* instruction_set) {
-       #if (__GNUC__ > 4) 
+       #if (__GNUC__ >= 5) && (__GNUC__ > 5 || __GNUC_MINOR__ > 2) 
        if (__builtin_cpu_supports("avx512f")) strcpy(instruction_set, "AVX512F");
        else if (__builtin_cpu_supports("avx2")) strcpy(instruction_set, "AVX2");
        #else