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

# SPDX-License-Identifier: GPL-2.0
# scripts/dtc makefile

hostprogs			:= dtc
always-$(CONFIG_DTC)		+= $(hostprogs)
always-$(CHECK_DT_BINDING)	+= $(hostprogs)

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 $(srctree)/$(src)/libfdt

ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
ifneq ($(CHECK_DT_BINDING)$(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
# To include <yaml.h> installed in a non-default path
HOSTCFLAGS_yamltree.o := $(shell pkg-config --cflags yaml-0.1)
# To link libyaml installed in a non-default path
HOSTLDLIBS_dtc	:= $(shell pkg-config yaml-0.1 --libs)
endif

# Generated files need one more search path to include headers in source tree
HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)

# dependencies on generated files need to be listed explicitly
$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h
Commit	Line	Data
b2441318	1	# SPDX-License-Identifier: GPL-2.0
9fffb55f DG	2	# scripts/dtc makefile
9fffb55f DG	3
9dffecc1 MY	4	hostprogs := dtc
	5	always-$(CONFIG_DTC) += $(hostprogs)
	6	always-$(CHECK_DT_BINDING) += $(hostprogs)
9fffb55f DG	7
9fffb55f DG	8	dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
658f29a5	9	srcpos.o checks.o util.o
9fffb55f DG	10	dtc-objs += dtc-lexer.lex.o dtc-parser.tab.o
	11
	12	# Source files need to get at the userspace version of libfdt_env.h to compile
9cc342f6	13	HOST_EXTRACFLAGS := -I $(srctree)/$(src)/libfdt
9fffb55f	14
067c650c	15	ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
0903060f	16	ifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),)
4f0e3a57 RH	17	$(error dtc needs libyaml for DT schema validation support. \
	18	Install the necessary libyaml development package.)
	19	endif
f858927f RH	20	HOST_EXTRACFLAGS += -DNO_YAML
	21	else
	22	dtc-objs += yamltree.o
f8d8b46c MY	23	# To include <yaml.h> installed in a non-default path
	24	HOSTCFLAGS_yamltree.o := $(shell pkg-config --cflags yaml-0.1)
	25	# To link libyaml installed in a non-default path
067c650c	26	HOSTLDLIBS_dtc := $(shell pkg-config yaml-0.1 --libs)
f858927f RH	27	endif
f858927f RH	28
e3fd9b53	29	# Generated files need one more search path to include headers in source tree
9cc342f6 MY	30	HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
9cc342f6 MY	31	HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
9fffb55f DG	32
9fffb55f DG	33	# dependencies on generated files need to be listed explicitly
95abef88	34	$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h