[PATCH 1/4] MAKEALL: early exit if config specified, but no arch

[Ahmad Fatoum]

The behavior of MAKEALL to just build all configs and ignore the
specified config is confusing, so add a check guarding against this.

Signed-off-by: Ahmad Fatoum <a.fatoum at barebox.org>
---
 MAKEALL | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/MAKEALL b/MAKEALL
index 1e6d0c97b868..001b46a14726 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -461,6 +461,12 @@ else
 				echo "Skipping test due to failed build"
 			fi
 		else
+			if [ ! "${ARCH}" ]; then
+				echo "ARCH must be specified via the -a option or environment"
+				usage
+				exit 1
+			fi
+
 			do_build_defconfig ${ARCH} $config
 		fi
 	done
-- 
2.47.3