Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2# scripts/dtc makefile
3
4hostprogs := dtc
5always-$(CONFIG_DTC) := $(hostprogs)
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
12HOST_EXTRACFLAGS := -I $(srctree)/$(src)/libfdt
13
14ifeq ($(shell pkg-config --exists yaml-0.1 2>/dev/null && echo yes),)
15ifneq ($(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 := $(shell pkg-config yaml-0.1 --libs)
23endif
24
25# Generated files need one more search path to include headers in source tree
26HOSTCFLAGS_dtc-lexer.lex.o := -I $(srctree)/$(src)
27HOSTCFLAGS_dtc-parser.tab.o := -I $(srctree)/$(src)
28
29# dependencies on generated files need to be listed explicitly
30$(obj)/dtc-lexer.lex.o: $(obj)/dtc-parser.tab.h