prefer to use openssl library from Ports Collection.

bin/ruby-build

@@ -920,15 +920,21 @@ use_homebrew_yaml() {
 }
 
 use_freebsd_pkg() {
-  # check if FreeBSD 11-R or later
+  # check if FreeBSD
   if [ "FreeBSD" = "$(uname -s)" ]; then
+      # use openssl if installed from Ports Collection
+      if [ -f /usr/local/include/openssl/ssl.h ]; then
+	  package_option ruby configure --with-openssl-dir="/usr/local"
+      fi
+
+      # check if 11-R or later
       if [ "$(uname -r | sed 's/[^[:digit:]].*//')" -ge 11 ]; then
 	  if $(pkg info -e libedit); then
-	      # use if libedit is installed
+	      # use libedit from Ports Collection
 	      package_option ruby configure --enable-libedit
 	      package_option ruby configure --with-libedit-dir="/usr/local"
 	  elif $(pkg info -e readline); then
-	      # use if readline is installed
+	      # use readline from Ports Collection
 	      package_option ruby configure --with-readline-dir="/usr/local"
 	  fi
       fi