BUILDTEST: hack to only get failures in 'Makefile.include'

makefiles/buildtests.inc.mk

@@ -1,6 +1,6 @@
 .PHONY: buildtest
 
-BUILDTEST_MAKE_REDIRECT ?= >/dev/null 2>&1
+BUILDTEST_MAKE_REDIRECT ?= >/dev/null
 
 ifeq ($(BUILD_IN_DOCKER),1)
 buildtest: ..in-docker-container
@@ -9,19 +9,16 @@ buildtest:
 	@ \
 	RESULT=true ; \
 	for board in $(BOARDS); do \
-		if BOARD=$${board} $(MAKE) check-toolchain-supported > /dev/null 2>&1; then \
-			$(COLOR_ECHO) -n "Building for $$board ... " ; \
-			BOARD=$${board} RIOT_CI_BUILD=1 RIOT_VERSION_OVERRIDE=buildtest \
-				$(MAKE) clean all -j $(NPROC) $(BUILDTEST_MAKE_REDIRECT); \
-			RES=$$? ; \
-			if [ $$RES -eq 0 ]; then \
-				$(COLOR_ECHO) "$(COLOR_GREEN)success.$(COLOR_RESET)" ; \
-			else \
-				$(COLOR_ECHO) "$(COLOR_RED)failed!$(COLOR_RESET)" ; \
-				RESULT=false ; \
-			fi ; \
-			BOARD=$${board} $(MAKE) clean-intermediates >/dev/null 2>&1 || true; \
-		fi; \
+		$(COLOR_ECHO) -n "Building for $$board ... " ; \
+		BOARD=$${board} RIOT_CI_BUILD=1 RIOT_VERSION_OVERRIDE=buildtest \
+			$(MAKE) clean $(BUILDTEST_MAKE_REDIRECT); \
+		RES=$$? ; \
+		if [ $$RES -eq 0 ]; then \
+			$(COLOR_ECHO) "$(COLOR_GREEN)success.$(COLOR_RESET)" ; \
+		else \
+			$(COLOR_ECHO) "$(COLOR_RED)failed!$(COLOR_RESET)" ; \
+			RESULT=false ; \
+		fi ; \
 	done ; \
 	$${RESULT}
 endif # BUILD_IN_DOCKER