diff --git a/cryptlib/gccversion-3431.patch b/cryptlib/gccversion-3431.patch
new file mode 100644
index 0000000..0457ea9
--- /dev/null
+++ b/cryptlib/gccversion-3431.patch
@@ -0,0 +1,30 @@
+--- cryptlib-3.4.3.1/tools/ccopts.sh.orig	2022-12-30 17:40:57.093303975 +0100
++++ cryptlib-3.4.3.1/tools/ccopts.sh	2022-12-30 17:41:51.230634217 +0100
+@@ -385,7 +385,17 @@
+ # worked since at least 2.7.2 although it wasn't actually documented until
+ # the first 3.x releases).
+ 
+-GCC_VER="$(gcc -dumpversion | tr -d  '.' | cut -c 1-2)"
++GCC_VER="$($CC -dumpversion)"
++case $GCC_VER in
++        [0-9])
++                GCC_VER="${GCC_VER}0" ;;
++
++        [0-9][0-9]*)
++                GCC_VER="$(echo $GCC_VER | tr -d  '.' | cut -c 1-3)" ;;
++
++        *)
++                GCC_VER="$(echo $GCC_VER | tr -d  '.' | cut -c 1-2)" ;;
++esac
+ 
+ # Try and determine the CPU type.  This is made more complex by a pile of
+ # *BSE's which, along with antideluvian tools like an as that doesn't
+@@ -471,7 +481,7 @@
+ 				CCARGS="$CCARGS -march=pentium" ;;
+ 		esac ;
+ 	else
+-		CCARGS="$CCARGS -mcpu=pentium" ;
++		CCARGS="$CCARGS -march=native" ;
+ 	fi ;
+ fi
+