1 files changed, 1 insertions, 0 deletions
diff --git a/INSTALL b/INSTALL
index 9f6ed520..e4dbca5d 100644
--- a/INSTALL
+++ b/INSTALL
@@ -125,6 +125,7 @@ Options for configure script
   --disable-gtkspell  disable spell checking feature (requires GtkSpell)
   --enable-jpilot     enable JPilot support
   --enable-ldap       enable LDAP support
+  --enable-oniguruma  use Oniguruma instead of system's regex
 
 For other options, refer to ./configure --help .