Index: modcargo-crates/v8-137.2.1/build/toolchain/toolchain.gni
--- modcargo-crates/v8-137.2.1/build/toolchain/toolchain.gni.orig
+++ modcargo-crates/v8-137.2.1/build/toolchain/toolchain.gni
@@ -75,7 +75,7 @@ if (host_os == "mac") {
   host_shlib_extension = ".dylib"
 } else if (host_os == "win") {
   host_shlib_extension = ".dll"
-} else if (host_os == "linux" || host_os == "aix" || host_os == "zos") {
+} else if (host_os == "linux" || host_os == "aix" || host_os == "zos" || host_os == "openbsd") {
   host_shlib_extension = ".so"
 } else {
   assert(false, "Host platform not supported")
