README: Add a note on C99

diff --git a/README b/README
index 28a23b1b7cd5c11975c45ddfee025c978e29cbe6..abcdc8a80d6f07b74a9295b7594454435aa64654 100644 (file)
--- a/README
+++ b/README
@@ -49,7 +49,8 @@ The utilities include:  (See manual pages for more details)
 2. Compiling and (un)installing
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Just run "make" to compile the package and then "make install" to install it.
-Please note that GNU make is needed on most platforms.
+Please note that a C compiler supporting the C99 standard is required.
+Also, GNU make is needed on most platforms.
 
 If you want to change the default installation location, please override
 the PREFIX variable specified in the Makefile -- e.g., you can use