--- configure.orig	2021-01-21 14:33:24 UTC
+++ configure
@@ -13533,7 +13533,7 @@ $as_echo "#define PNG_ARM_NEON_OPT 0" >>confdefs.h
 $as_echo "#define PNG_MIPS_MSA_OPT 0" >>confdefs.h
 
               ;;
-            i?86|x86_64)
+            i?86|x86_64|amd64)
               enable_intel_sse=yes
 
 $as_echo "#define PNG_INTEL_SSE_OPT 1" >>confdefs.h