readme: document ./build -s

2026-01-25 19:21:35 +01:00 · 2018-05-18 18:14:58 +01:00
parent 0c44329b0e
commit d9df5f97fd
2 changed files with 10 additions and 2 deletions
--- a/build-usage.adoc
+++ b/build-usage.adoc
@@ -28,6 +28,10 @@
 |`-p` |                     |Pass extra arguments to the `rootfs_post_build_script`.
 |`-S` |                     |Don't build QEMU with SDL support.
                             Graphics such as X11 won't work, only the terminal.
+|`-s` |                     |Add a custom suffix to the build.
+                             E.g., doing `./build -s mysuf` puts all the build output
+                             into `out/x86_64-mysuf`. This allows keep multiple builds around
+                             when you checkout between branches.
 |`-v` |                     |Do a verbose build.
 |===