[linux-2.6-block.git] / scripts / dtc / Makefile

# 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 ($(wildcard /usr/include/yaml.h),)
ifneq ($(CHECK_DTBS),)
$(error dtc needs libyaml for DT schema validation support. \
	Install the necessary libyaml development package.)
endif
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: $(obj)/dtc-parser.tab.h
Commit	Line	Data
	1	# SPDX-License-Identifier: GPL-2.0
	2	# scripts/dtc makefile
	3
	4	hostprogs-$(CONFIG_DTC) := dtc
	5	always := $(hostprogs-y)
	6
	7	dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
	8	srcpos.o checks.o util.o
	9	dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o
	10
	11	# Source files need to get at the userspace version of libfdt_env.h to compile
	12	HOST_EXTRACFLAGS := -I$(src)/libfdt
	13
	14	ifeq ($(wildcard /usr/include/yaml.h),)
	15	ifneq ($(CHECK_DTBS),)
	16	$(error dtc needs libyaml for DT schema validation support. \
	17	Install the necessary libyaml development package.)
	18	endif
	19	HOST_EXTRACFLAGS += -DNO_YAML
	20	else
	21	dtc-objs += yamltree.o
	22	HOSTLDLIBS_dtc := -lyaml
	23	endif
	24
	25	# Generated files need one more search path to include headers in source tree
	26	HOSTCFLAGS_dtc-lexer.lex.o := -I$(src)
	27	HOSTCFLAGS_dtc-parser.tab.o := -I$(src)
	28
	29	# dependencies on generated files need to be listed explicitly
	30	$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h