- Portability fixes for Irix 5.3 (now compiles OK!)
 - autoconf and other misc cleanups
diff --git a/INSTALL b/INSTALL
index 1521dc6..17353d9 100644
--- a/INSTALL
+++ b/INSTALL
@@ -105,6 +105,11 @@
 --with-md5-passwords will enable the use of MD5 passwords. Enable this
 if your operating system uses MD5 passwords without using PAM.
 
+If you need to pass special options to the compiler or linker, you
+can specify these as enviornment variables before running ./configure.
+For example:
+
+CFLAGS="-O -m486" LFLAGS="-s" ./configure
 
 3. Configuration
 ----------------