Re: [PATCH V2 2/2] scripts: dtc: Build fdtoverlay and fdtdump tools
From: Masahiro Yamada <masahiroy@kernel.org>
Date: 2021-01-07 05:47:07
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linux-kbuild, lkml
On Thu, Jan 7, 2021 at 2:16 PM Viresh Kumar [off-list ref] wrote:
We will start building overlays for platforms soon in the kernel and would need these tools going forward. Lets start building them.
The commit log should explain how fdtdump and fdtoverlay are used while building the kernel tree.
quoted hunk ↗ jump to hunk
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- scripts/dtc/Makefile | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)diff --git a/scripts/dtc/Makefile b/scripts/dtc/Makefile index 4852bf44e913..c607980a5c17 100644 --- a/scripts/dtc/Makefile +++ b/scripts/dtc/Makefile@@ -1,12 +1,18 @@ # SPDX-License-Identifier: GPL-2.0 # scripts/dtc makefile -hostprogs-always-$(CONFIG_DTC) += dtc +hostprogs-always-$(CONFIG_DTC) += dtc fdtdump fdtoverlay hostprogs-always-$(CHECK_DT_BINDING) += dtc 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 +fdtdump-objs := fdtdump.o util.o + +libfdt_dir = libfdt
Adding 'libfdt_dir' is not helpful except increasing the amount of code. Please hard-code 'libfdt'
+libfdt-objs := fdt.o fdt_ro.o fdt_wip.o fdt_sw.o fdt_rw.o fdt_strerror.o fdt_empty_tree.o fdt_addresses.o fdt_overlay.o +libfdt = $(addprefix $(libfdt_dir)/,$(libfdt-objs)) +fdtoverlay-objs := $(libfdt) fdtoverlay.o util.o # Source files need to get at the userspace version of libfdt_env.h to compile HOST_EXTRACFLAGS += -I $(srctree)/$(src)/libfdt -- 2.25.0.rc1.19.g042ed3e048af
-- Best Regards Masahiro Yamada