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/scripts/dtc/Makefile

http://github.com/mirrors/linux
Makefile | 31 lines | 20 code | 6 blank | 5 comment | 2 complexity | ef381795c375429ae90125b55306035f MD5 | raw file
 1# SPDX-License-Identifier: GPL-2.0
 2# scripts/dtc makefile
 3
 4hostprogs			:= dtc
 5always-$(CONFIG_DTC)		+= $(hostprogs)
 6always-$(CHECK_DT_BINDING)	+= $(hostprogs)
 7
 8dtc-objs	:= dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
 9		   srcpos.o checks.o util.o
10dtc-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
13HOST_EXTRACFLAGS := -I $(srctree)/$(src)/libfdt
14
15ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
16ifneq ($(CHECK_DT_BINDING)$(CHECK_DTBS),)
17$(error dtc needs libyaml for DT schema validation support. \
18	Install the necessary libyaml development package.)
19endif
20HOST_EXTRACFLAGS += -DNO_YAML
21else
22dtc-objs	+= yamltree.o
23HOSTLDLIBS_dtc	:= $(shell pkg-config yaml-0.1 --libs)
24endif
25
26# Generated files need one more search path to include headers in source tree
27HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
28HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
29
30# dependencies on generated files need to be listed explicitly
31$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h