| # SPDX-License-Identifier: GPL-2.0 |
| # scripts/dtc makefile |
| |
| hostprogs-$(CONFIG_DTC) := dtc |
| always := $(hostprogs-y) |
| |
| dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \ |
| srcpos.o checks.o util.o |
| dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o |
| |
| # Source files need to get at the userspace version of libfdt_env.h to compile |
| HOST_EXTRACFLAGS := -I$(src)/libfdt |
| |
| ifeq ($(wildcard /usr/include/yaml.h),) |
| HOST_EXTRACFLAGS += -DNO_YAML |
| else |
| dtc-objs += yamltree.o |
| HOSTLDLIBS_dtc := -lyaml |
| endif |
| |
| # Generated files need one more search path to include headers in source tree |
| HOSTCFLAGS_dtc-lexer.lex.o := -I$(src) |
| HOSTCFLAGS_dtc-parser.tab.o := -I$(src) |
| |
| # dependencies on generated files need to be listed explicitly |
| $(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h |