support building out-of-tree

[uclinux-h8/uClibc.git] / Makefile.help

diff --git a/Makefile.help b/Makefile.help
index 3a84328..586cccd 100644 (file)
--- a/Makefile.help
+++ b/Makefile.help
@@ -42,6 +42,7 @@ help:
        @echo '  release                - create a distribution tarball'
        @echo
        @echo 'Environment variables:'
+       @echo '  O=<abspath>            - Use <abspath> as object directory'
        @echo '  V=""                   - Quiet build (default)'
        @echo '  V=1                    - Verbose build'
        @echo '  V=2                    - Very verbose build'