binman: Report an error if test files fail to compile

At present any error from the 'make' command is silently swallowed by the
test system. Fix this by showing it when detected.

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

diff --git a/tools/binman/elf_test.py b/tools/binman/elf_test.py
index 7a128018d9f0b9488c72f354dac86930338bd547..bcccd78c0a131eabe586e9da9bec83e213c7d4b3 100644 (file)
--- a/tools/binman/elf_test.py
+++ b/tools/binman/elf_test.py
@@ -70,8 +70,12 @@ def BuildElfTestFiles(target_dir):
     # correctly. So drop any make flags here.
     if 'MAKEFLAGS' in os.environ:
         del os.environ['MAKEFLAGS']
-    tools.Run('make', '-C', target_dir, '-f',
-              os.path.join(testdir, 'Makefile'), 'SRC=%s/' % testdir)
+    try:
+        tools.Run('make', '-C', target_dir, '-f',
+                  os.path.join(testdir, 'Makefile'), 'SRC=%s/' % testdir)
+    except ValueError as e:
+        # The test system seems to suppress this in a strange way
+        print(e)
 
 
 class TestElf(unittest.TestCase):