+staging_dir/host/.prereq-build: include/prereq-build.mk
+ mkdir -p tmp
+ rm -f tmp/.host.mk
+ @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prereq-build.mk prereq 2>/dev/null || { \
+ echo "Prerequisite check failed. Use FORCE=1 to override."; \
+ false; \
+ }
+ ifneq ($(realpath $(TOPDIR)/include/prepare.mk),)
+ @$(_SINGLE)$(NO_TRACE_MAKE) -j1 -r -s -f $(TOPDIR)/include/prepare.mk prepare 2>/dev/null || { \
+ echo "Preparation failed."; \
+ false; \
+ }
+ endif
+ touch $@
+