scripts/dtc/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 # scripts/dtc makefile
   3
   4 # *** Also keep .gitignore in sync when changing ***
   5 hostprogs-always-$(CONFIG_DTC)          += dtc fdtoverlay
   6 hostprogs-always-$(CHECK_DTBS)          += dtc
   7
   8 dtc-objs        := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
   9                    srcpos.o checks.o util.o
  10 dtc-objs        += dtc-lexer.lex.o dtc-parser.tab.o
  11
  12 # The upstream project builds libfdt as a separate library.  We are choosing to
  13 # instead directly link the libfdt object files into fdtoverlay.
  14 libfdt-objs     := fdt.o fdt_ro.o fdt_wip.o fdt_sw.o fdt_rw.o fdt_strerror.o fdt_empty_tree.o fdt_addresses.o fdt_overlay.o
  15 libfdt          = $(addprefix libfdt/,$(libfdt-objs))
  16 fdtoverlay-objs := $(libfdt) fdtoverlay.o util.o
  17
  18 # Source files need to get at the userspace version of libfdt_env.h to compile
  19 HOST_EXTRACFLAGS += -I $(src)/libfdt
  20 HOST_EXTRACFLAGS += -DNO_YAML
  21
  22 # Generated files need one more search path to include headers in source tree
  23 HOSTCFLAGS_dtc-lexer.lex.o := -I $(src)
  24 HOSTCFLAGS_dtc-parser.tab.o := -I $(src)
  25
  26 # dependencies on generated files need to be listed explicitly
  27 $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h