diff -ur hacl-star-raw-0.7.1/hacl-star-raw/Makefile hacl-star-raw-new/hacl-star-raw/Makefile
--- hacl-star-raw-0.7.1/hacl-star-raw/Makefile	2023-06-01 13:29:49.000000000 +0000
+++ hacl-star-raw-new/hacl-star-raw/Makefile	2024-01-27 13:32:29.252198742 +0000
@@ -33,6 +33,10 @@
   SO 		= so
   OCAML_SO	= so
   CFLAGS	+= -fPIC
+else ifeq ($(UNAME),NetBSD)
+  SO 		= so
+  OCAML_SO	= so
+  CFLAGS	+= -fPIC
 endif
 
 STATIC_C_LIB_NAME=hacl_static
diff -ur hacl-star-raw-0.7.1/hacl-star-raw.opam hacl-star-raw-new/hacl-star-raw.opam
--- hacl-star-raw-0.7.1/hacl-star-raw.opam	2023-06-01 13:29:49.000000000 +0000
+++ hacl-star-raw-new/hacl-star-raw.opam	2024-01-27 19:48:16.065305017 +0000
@@ -26,7 +26,7 @@
 ]
 available: [
   arch != "ppc64" & arch != "ppc32" & arch != "arm32" &
-  (os = "freebsd" | os-family != "bsd")
+  ( os = "freebsd" | os = "netbsd" | os-family != "bsd")
 ]
 build: [
   [make "-C" "hacl-star-raw" "build-c"]
diff -ur hacl-star-raw-0.7.1/hacl-star.opam hacl-star-raw-new/hacl-star.opam
--- hacl-star-raw-0.7.1/hacl-star.opam	2023-06-01 13:29:49.000000000 +0000
+++ hacl-star-raw-new/hacl-star.opam	2024-01-27 19:48:31.031026498 +0000
@@ -25,7 +25,7 @@
   "odoc" {with-doc}
 ]
 available: [
-  os = "freebsd" | os-family != "bsd"
+ os = "freebsd" |  os = "netbsd" | os-family != "bsd"
 ]
 build: [
   ["dune" "subst"] {dev}