doc: dfu: describe more DFU function

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

diff --git a/tools/env/Makefile b/tools/env/Makefile
index d47fe16c074cd3c9010a03d42898c8a7273e626a..b627796e949ebbd8f6b421cfd949c34d49474292 100644 (file)
--- a/tools/env/Makefile
+++ b/tools/env/Makefile
@@ -1,13 +1,17 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # (C) Copyright 2002-2006
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier:     GPL-2.0+
-#
+
+# 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)
 
 # Compile for a hosted environment on the target
-HOST_EXTRACFLAGS  = $(patsubst -I%,-idirafter%, $(UBOOTINCLUDE)) \
-               -idirafter $(SRCTREE)/tools/env \
+HOST_EXTRACFLAGS  = -I$(srctree)/tools \
+               $(patsubst -I%,-idirafter%, $(filter -I%, $(UBOOTINCLUDE))) \
+               -idirafter $(srctree)/tools/env \
                -DUSE_HOSTCC \
                -DTEXT_BASE=$(TEXT_BASE)
 
@@ -15,9 +19,19 @@ ifeq ($(MTD_VERSION),old)
 HOST_EXTRACFLAGS += -DMTD_OLD
 endif
 
+always := fw_printenv
 hostprogs-y := fw_printenv
-always := $(hostprogs-y)
 
-fw_printenv-objs := fw_env.o fw_env_main.o \
+lib-y += fw_env.o \
        crc32.o ctype.o linux_string.o \
        env_attr.o env_flags.o
+
+fw_printenv-objs := fw_env_main.o $(lib-y)
+
+quiet_cmd_crosstools_strip = STRIP   $^
+      cmd_crosstools_strip = $(STRIP) $^; touch $@
+
+$(obj)/.strip: $(obj)/fw_printenv
+       $(call cmd,crosstools_strip)
+
+always += .strip