diff -ur openssl-1.0.2x/Configure openssl-1.0.2x.new/Configure
--- openssl-1.0.2x/Configure	2020-12-08 13:23:12.000000000 +0000
+++ openssl-1.0.2x.new/Configure	2021-01-12 08:24:27.000000000 +0000
@@ -156,6 +156,7 @@
 
 my $x86_elf_asm="$x86_asm:elf";
 
+my $arm64_asm="arm64cpuid.o:arm64-gcc.o arm64-mont.o arm64-mont5.o arm64-gf2m.o modexp512-arm64.o::aes-arm64.o vpaes-arm64.o bsaes-arm64.o aesni-arm64.o aesni-sha1-arm64.o::md5-arm64.o:sha1-arm64.o sha256-arm64.o sha512-arm64.o::rc4-arm64.o rc4-md5-arm64.o:::wp-arm64.o:cmll-arm64.o cmll_misc.o:ghash-arm64.o:";
 my $x86_64_asm="x86_64cpuid.o:x86_64-gcc.o x86_64-mont.o x86_64-mont5.o x86_64-gf2m.o rsaz_exp.o rsaz-x86_64.o rsaz-avx2.o:ecp_nistz256.o ecp_nistz256-x86_64.o::aes-x86_64.o vpaes-x86_64.o bsaes-x86_64.o aesni-x86_64.o aesni-sha1-x86_64.o aesni-sha256-x86_64.o aesni-mb-x86_64.o::md5-x86_64.o:sha1-x86_64.o sha256-x86_64.o sha512-x86_64.o sha1-mb-x86_64.o sha256-mb-x86_64.o::rc4-x86_64.o rc4-md5-x86_64.o:::wp-x86_64.o:cmll-x86_64.o cmll_misc.o:ghash-x86_64.o aesni-gcm-x86_64.o:";
 my $ia64_asm="ia64cpuid.o:bn-ia64.o ia64-mont.o:::aes_core.o aes_cbc.o aes-ia64.o::md5-ia64.o:sha1-ia64.o sha256-ia64.o sha512-ia64.o::rc4-ia64.o rc4_skey.o:::::ghash-ia64.o::void";
 my $sparcv9_asm="sparcv9cap.o sparccpuid.o:bn-sparcv9.o sparcv9-mont.o sparcv9a-mont.o vis3-mont.o sparct4-mont.o sparcv9-gf2m.o::des_enc-sparc.o fcrypt_b.o dest4-sparcv9.o:aes_core.o aes_cbc.o aes-sparcv9.o aest4-sparcv9.o::md5-sparcv9.o:sha1-sparcv9.o sha256-sparcv9.o sha512-sparcv9.o::::::camellia.o cmll_misc.o cmll_cbc.o cmllt4-sparcv9.o:ghash-sparcv9.o::void";
@@ -649,6 +650,7 @@
 "darwin64-ppc-cc","cc:-arch ppc64 -O3 -DB_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${ppc64_asm}:osx64:dlfcn:darwin-shared:-fPIC -fno-common:-arch ppc64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 "darwin-i386-cc","cc:-arch i386 -O3 -fomit-frame-pointer -DL_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:BN_LLONG RC4_INT RC4_CHUNK DES_UNROLL BF_PTR:".eval{my $asm=$x86_asm;$asm=~s/cast\-586\.o//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch i386 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 "debug-darwin-i386-cc","cc:-arch i386 -g3 -DL_ENDIAN::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:BN_LLONG RC4_INT RC4_CHUNK DES_UNROLL BF_PTR:${x86_asm}:macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch i386 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
+"darwin64-arm64-cc","cc:-arch arm64 -O3 -DL_ENDIAN -Wall::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL:".eval{my $asm=$arm64_asm;$asm=~s/rc4\-[^:]+//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch arm64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 "darwin64-x86_64-cc","cc:-arch x86_64 -O3 -DL_ENDIAN -Wall::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:".eval{my $asm=$x86_64_asm;$asm=~s/rc4\-[^:]+//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch x86_64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 "debug-darwin64-x86_64-cc","cc:-arch x86_64 -ggdb -g2 -O0 -DL_ENDIAN -Wall::-D_REENTRANT:MACOSX:-Wl,-search_paths_first%:SIXTY_FOUR_BIT_LONG RC4_CHUNK DES_INT DES_UNROLL:".eval{my $asm=$x86_64_asm;$asm=~s/rc4\-[^:]+//;$asm}.":macosx:dlfcn:darwin-shared:-fPIC -fno-common:-arch x86_64 -dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
 "debug-darwin-ppc-cc","cc:-DBN_DEBUG -DREF_CHECK -DCONF_DEBUG -DCRYPTO_MDEBUG -DB_ENDIAN -g -Wall -O::-D_REENTRANT:MACOSX::BN_LLONG RC4_CHAR RC4_CHUNK DES_UNROLL BF_PTR:${ppc32_asm}:osx32:dlfcn:darwin-shared:-fPIC:-dynamiclib:.\$(SHLIB_MAJOR).\$(SHLIB_MINOR).dylib",
diff -ur openssl-1.0.2x/config openssl-1.0.2x.new/config
--- openssl-1.0.2x/config	2020-12-08 13:23:12.000000000 +0000
+++ openssl-1.0.2x.new/config	2021-01-12 08:39:17.000000000 +0000
@@ -274,6 +274,9 @@
 
     Darwin:*)
 	case "$MACHINE" in
+	    arm*)
+		echo "arm-apple-darwin${VERSION}"
+		;;
 	    Power*)
 		echo "ppc-apple-darwin${VERSION}"
 		;;
@@ -560,6 +563,21 @@
 	else
 	    OUT="darwin-ppc-cc"
 	fi ;;
+  arm-apple-darwin*)
+        ISA64=`(sysctl -n hw.optional.arm64) 2>/dev/null`
+        if [ "$ISA64" = "1" -a -z "$KERNEL_BITS" ]; then
+            echo "WARNING! If you wish to build M1 ARM 64-bit library, then you have to"
+            echo "         invoke './Configure darwin64-arm64-cc' *manually*."
+            if [ "$TEST" = "false" -a -t 1 ]; then
+              echo "         You have about 5 seconds to press Ctrl-C to abort."
+              (trap "stty `stty -g`" 2 0; stty -icanon min 0 time 50; read waste) <&1
+            fi
+        fi
+        if [ "$ISA64" = "1" -a "$KERNEL_BITS" = "64" ]; then
+            OUT="darwin64-arm64-cc"
+        else
+            OUT="darwin-arm64-cc"
+        fi ;;
   i?86-apple-darwin*)
 	ISA64=`(sysctl -n hw.optional.x86_64) 2>/dev/null`
 	if [ "$ISA64" = "1" -a -z "$KERNEL_BITS" ]; then