Update README

1 files changed, 8 insertions, 0 deletions

diff --git a/README.md b/README.md
index 08cd7b8..c326f9a 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,14 @@ build script:
 $ ./make --no-pcre
 ```
 
+If you want to build with optimizations enabled, you can pass the
+`--release` flag.  You can additionally pass the `--lto` flag to enable
+link-time optimizations:
+
+```sh
+$ ./make --release --lto
+```
+
 
 ## Description