Index: deps/hiredis/Makefile
--- deps/hiredis/Makefile.orig
+++ deps/hiredis/Makefile
@@ -76,7 +76,7 @@ ifeq ($(USE_SSL),1)
   CFLAGS+=-DHIREDIS_TEST_SSL
 endif
 
-ifeq ($(uname_S),Linux)
+ifneq (,filter Linux OpenBSD,$(uname_S))
   ifdef OPENSSL_PREFIX
     CFLAGS+=-I$(OPENSSL_PREFIX)/include
     SSL_LDFLAGS+=-L$(OPENSSL_PREFIX)/lib -lssl -lcrypto
