Add note reminding folks to remove config.cache after changing

environmental variables.

diff --git a/INSTALL b/INSTALL
index c679fe2c68ae325dae2ce380c03d8f1ac8fbf11c..33dd5ed5c3982a0f3930ba68ce59c1898d1fb39e 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -145,6 +145,9 @@ The configure script will also use your environmental
 variables for determining compiler/linker options.   This can
 be used to manual specify features and compilation options.
 
+NOTE: If you change environment setting, be sure to remove
+       any config.cache before running ./configure.
+
 Supported Environmental Variables
        CC                      C compiler              (cc, egcc)
        CFLAGS          C flags                 (-ansi)