--- /dev/null
+From ca3b8191510c1006d031d02c50edcf6b4f6a6e8f Mon Sep 17 00:00:00 2001
+From: R4SAS <r4sas@i2pmail.org>
+Date: Thu, 10 Dec 2020 18:32:41 +0300
+Subject: [PATCH] [avx] check ig c++ target supports AVX
+
+Signed-off-by: R4SAS <r4sas@i2pmail.org>
+---
+ libi2pd/Crypto.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/libi2pd/Crypto.cpp
++++ b/libi2pd/Crypto.cpp
+@@ -638,7 +638,7 @@ namespace crypto
+ {
+ uint64_t buf[256];
+ uint64_t hash[12]; // 96 bytes
+-#if defined(__x86_64__) || defined(__i386__)
++#if (defined(__x86_64__) || defined(__i386__)) && defined(__AVX__) // not all X86 targets supports AVX (like old Pentium, see #1600)
+ if(i2p::cpu::avx)
+ {
+ __asm__
+--- a/libi2pd/Identity.cpp
++++ b/libi2pd/Identity.cpp
+@@ -828,7 +828,7 @@ namespace data
+ XORMetric operator^(const IdentHash& key1, const IdentHash& key2)
+ {
+ XORMetric m;
+-#if defined(__x86_64__) || defined(__i386__)
++#if (defined(__x86_64__) || defined(__i386__)) && defined(__AVX__) // not all X86 targets supports AVX (like old Pentium, see #1600)
+ if(i2p::cpu::avx)
+ {
+ __asm__