[PATCH 2/2] buildman: Fix CROSS_COMPILE output for sandbox

[Simon Glass]

The previous attempt at fixing this broke the normal usage of the -A
flag.

At present, 'buildman -A sandbox' adds the path containing the
toolchain. We can assume that this is in the path and we don't want to
set CROSS_COMPILE=/bin/

Change this to align with what MakeEnvironment() does, but only for
sandbox boards.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 tools/buildman/toolchain.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/tools/buildman/toolchain.py b/tools/buildman/toolchain.py
index 688f2e26872..241e8e69307 100644
--- a/tools/buildman/toolchain.py
+++ b/tools/buildman/toolchain.py
@@ -156,9 +156,10 @@ class Toolchain:
         Returns:
             Value of that environment variable or arguments
         """
-        wrapper = self.GetWrapper()
         if which == VAR_CROSS_COMPILE:
-            return wrapper + os.path.join(self.path, self.cross)
+            wrapper = self.GetWrapper()
+            base = '' if self.arch == 'sandbox' else self.path
+            return wrapper + os.path.join(base, self.cross)
         elif which == VAR_PATH:
             return self.path
         elif which == VAR_ARCH:
-- 
2.40.0.rc1.284.g88254d51c5-goog