--- ./bin/rbenv-install.orig	2013-02-18 22:12:22.000000000 -0800
+++ ./bin/rbenv-install	2013-02-18 22:16:04.000000000 -0800
@@ -28,6 +28,10 @@
   RBENV_ROOT="${HOME}/.rbenv"
 fi
 
+if [ `uname -s` = "FreeBSD" ]; then
+  export MAKE="gmake"
+fi
+
 # Load shared library functions
 eval "$(ruby-build --lib)"