3 rel2abs = $(foreach f, $(1),$(shell cd $(f); pwd))
5 LIBUART_srcdir := $(strip $(call rel2abs, $(srcdir)))
6 LIBUART_VPATH_abs := $(call rel2abs, $(VPATH_LIBUART))
9 $(VERBOSE)if [ -e $(dir $@) ]; then true; else mkdir -p $(dir $@); fi
11 $(VERBOSE)$(MAKE) -C uart \
12 -f $(LIBUART_srcdir)/lib/uart/Makefile \
13 srcdir=$(LIBUART_srcdir) \
15 VERBOSE="$(VERBOSE)" \
16 OBJECTS="$(OBJECTS_LIBUART)" \
18 VPATH_LIBUART="$(LIBUART_VPATH_abs)" \
19 PRIVATE_INCDIR="$(LIBUART_srcdir)/lib/uart $(PRIVATE_INCDIR)"