doc: dfu: describe more DFU function

[oweals/u-boot.git] / tools / env / Makefile

diff --git a/tools/env/Makefile b/tools/env/Makefile
index 7da1d2b7b0f46d4a6adbf258decc3c921a2d475f..b627796e949ebbd8f6b421cfd949c34d49474292 100644 (file)
--- a/tools/env/Makefile
+++ b/tools/env/Makefile
@@ -1,46 +1,37 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
-# (C) Copyright 2002
+# (C) Copyright 2002-2006
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-
-SOURCES := crc32.c  fw_env.c  fw_env_main.c
-HEADERS := fw_env.h
 
-all:   fw_printenv
+# fw_printenv is supposed to run on the target system, which means it should be
+# built with cross tools. Although it may look weird, we only replace "HOSTCC"
+# with "CC" here for the maximum code reuse of scripts/Makefile.host.
+override HOSTCC = $(CC)
 
-fw_printenv:   $(SOURCES) $(HEADERS)
-       $(CROSS_COMPILE)gcc -Wall -DUSE_HOSTCC $(SOURCES) -o fw_printenv
+# Compile for a hosted environment on the target
+HOST_EXTRACFLAGS  = -I$(srctree)/tools \
+               $(patsubst -I%,-idirafter%, $(filter -I%, $(UBOOTINCLUDE))) \
+               -idirafter $(srctree)/tools/env \
+               -DUSE_HOSTCC \
+               -DTEXT_BASE=$(TEXT_BASE)
 
-clean:
-       rm -f fw_printenv crc32.c
+ifeq ($(MTD_VERSION),old)
+HOST_EXTRACFLAGS += -DMTD_OLD
+endif
 
-crc32.c:
-       ln -s ../../lib_generic/crc32.c crc32.c
+always := fw_printenv
+hostprogs-y := fw_printenv
 
-#########################################################################
+lib-y += fw_env.o \
+       crc32.o ctype.o linux_string.o \
+       env_attr.o env_flags.o
 
-.depend:       Makefile $(SOURCES)
-               $(CC) -M $(HOST_CFLAGS) $(CPPFLAGS) -DUSE_HOSTCC $(SOURCES) > $@
+fw_printenv-objs := fw_env_main.o $(lib-y)
 
-sinclude .depend
+quiet_cmd_crosstools_strip = STRIP   $^
+      cmd_crosstools_strip = $(STRIP) $^; touch $@
 
-#########################################################################
+$(obj)/.strip: $(obj)/fw_printenv
+       $(call cmd,crosstools_strip)
 
+always += .strip