blob: 82160808765c3ea475b30c41887810e44154a962 [file] [log] [blame]
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00001# SPDX-License-Identifier: GPL-2.0
2# scripts/dtc makefile
3
David Brazdil0f672f62019-12-10 10:32:29 +00004hostprogs-$(CONFIG_DTC) := dtc
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00005always := $(hostprogs-y)
6
7dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \
8 srcpos.o checks.o util.o
9dtc-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
David Brazdil0f672f62019-12-10 10:32:29 +000012HOST_EXTRACFLAGS := -I $(srctree)/$(src)/libfdt
13
14ifeq ($(wildcard /usr/include/yaml.h),)
15ifneq ($(CHECK_DTBS),)
16$(error dtc needs libyaml for DT schema validation support. \
17 Install the necessary libyaml development package.)
18endif
19HOST_EXTRACFLAGS += -DNO_YAML
20else
21dtc-objs += yamltree.o
22HOSTLDLIBS_dtc := -lyaml
23endif
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000024
25# Generated files need one more search path to include headers in source tree
David Brazdil0f672f62019-12-10 10:32:29 +000026HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
27HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000028
29# dependencies on generated files need to be listed explicitly
30$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h