added ccache for freebsd install recommendations

diff --git a/README.md b/README.md
index 2f5da86eb9913fcb631aa9ff2f4869918fc27b19..1baeaac87f74085fa7f1d107f3531bc1d16b71df 100644 (file)
--- a/README.md
+++ b/README.md
@@ -156,6 +156,7 @@ pkg install ragel
 pkg install cmake
 pkg install sqlite
 pkg install libpcap
+pkg install ccache
 ```
 and then before beginning the cmake and build process, set
 the environment variables to point to this compiler: