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