-# Need to special-case building without a per-project object directory
-ifeq ($(OBJDIR),)
- # If no target specified, force "clean all" and disallow parallel build
- ifeq ($(MAKECMDGOALS),)
- MAKECMDGOALS := clean all
- .NOTPARALLEL:
- endif
-
- # If one of the targets is to build, force "clean" beforehand and disallow parallel build
- ifneq ($(findstring all, $(MAKECMDGOALS)),)
- MAKECMDGOALS := clean $(MAKECMDGOALS)
- .NOTPARALLEL:
- endif
-endif
+# Build each directory sequentially, even if we are building using multiple
+# cores within each project
+.NOTPARALLEL: