update readme

[urcu.git] / README

diff --git a/README b/README
index a2cc296a480fe768d0b318cf9dcdd32002b656f6..71eec3530465ebe2093093dce57b4871b0facd66 100644 (file)
--- a/README
+++ b/README
@@ -8,7 +8,12 @@ BUILDING
        ./configure
        make
        make install
-       
+
+       Note:   Forcing 32-bit build:
+               * CFLAGS=-m32 ./configure
+
+               Forcing 64-bit build:
+               * CFLAGS=-m64 ./configure
 
 QUICK START GUIDE
 -----------------