--- src/libs/openssl-1.1.1g/Config.kmk.orig	2020-07-10 02:58:31.000000000 +1000
+++ src/libs/openssl-1.1.1g/Config.kmk	2020-08-21 00:57:42.143230000 +1000
@@ -17,7 +17,7 @@
 
 # Figure out openssl perl asm style for the target
 VBOX_CRYPTO_ASM_SCHEME := portme
-if1of ($(KBUILD_TARGET), freebsd linux netbsd openbsd solaris)
+if1of ($(KBUILD_TARGET), bsdsunix freebsd linux netbsd openbsd solaris)
   VBOX_CRYPTO_ASM_SCHEME := elf
 else ifeq ($(KBUILD_TARGET), darwin)
   VBOX_CRYPTO_ASM_SCHEME := macosx
@@ -255,6 +255,7 @@
  TEMPLATE_LIBCRYPTO_CFLAGS.win += -wd4005 # sdk\v7.1\include\sal_supp.h(57) : warning C4005: '__useHeader' : macro redefinition
 endif
 TEMPLATE_LIBCRYPTO_CFLAGS.freebsd = -std=gnu99
+TEMPLATE_LIBCRYPTO_CFLAGS.bsdsunix = -std=gnu99
 
 TEMPLATE_LIBCRYPTO_INCS := \
 	$(VBOX_PATH_OPENSSL) \