buildman: Add options to get the arch and toolchain info
Sometimes it is useful for external tools to use buildman to provide the
toolchain information. Add an -a option which shows the value to use for
the ARCH environment variable, and -A which does the same for
CROSS_COMPILE
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/buildman/README b/tools/buildman/README
index e366192..c1ac0d0 100644
--- a/tools/buildman/README
+++ b/tools/buildman/README
@@ -1061,6 +1061,9 @@
Buildman has various other command line options. Try --help to see them.
+To find out what architecture or toolchain prefix buildman will use for a build,
+see the -a and -A options.
+
When doing builds, Buildman's return code will reflect the overall result:
0 (success) No errors or warnings found