buildman: Make sure that -o is given with -w

[oweals/u-boot.git] / tools / buildman / README

diff --git a/tools/buildman/README b/tools/buildman/README
index f3a0dc7288dbdcbe17941d2e3bd8355929c6670f..b2f983c715d7428965b7b329f0413728889d24dd 100644 (file)
--- a/tools/buildman/README
+++ b/tools/buildman/README
@@ -1091,7 +1091,8 @@ the -w option, for example:
 
    buildman -o /tmp/build --board sandbox -w
 
-This will write the full build into /tmp/build including object files.
+This will write the full build into /tmp/build including object files. You must
+specify the output directory with -o when using -w.
 
 
 Other options