Add support for a saving build objects in a separate directory.

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

diff --git a/tools/env/Makefile b/tools/env/Makefile
index 9ce477c5421053614746b4d6c5297aad357c2a07..1f16768aaf72652e98fbcd9b40a9ea49a6a7d645 100644 (file)
--- a/tools/env/Makefile
+++ b/tools/env/Makefile
@@ -1,5 +1,5 @@
 #
-# (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
@@ -21,25 +21,28 @@
 # MA 02111-1307 USA
 #
 
-SOURCES := crc32.c  fw_env.c  fw_env_main.c
-HEADERS := fw_env.h
+include $(TOPDIR)/config.mk
 
-all:   fw_printenv
+SRCS   := $(obj)crc32.c  fw_env.c  fw_env_main.c
+HEADERS        := fw_env.h
 
-fw_printenv:   $(SOURCES) $(HEADERS)
-       $(CROSS_COMPILE)gcc -Wall -DUSE_HOSTCC $(SOURCES) -o fw_printenv
+CPPFLAGS := -Wall -DUSE_HOSTCC
+
+all:   $(obj)fw_printenv
+
+$(obj)fw_printenv:     $(SRCS) $(HEADERS)
+       $(CROSS_COMPILE)gcc $(CPPFLAGS) $(SRCS) -o $(obj)fw_printenv
 
 clean:
-       rm -f fw_printenv crc32.c
+       rm -f $(obj)fw_printenv $(obj)crc32.c
 
-crc32.c:
-       ln -s ../../lib_generic/crc32.c crc32.c
+$(obj)crc32.c:
+       ln -s $(src)../../lib_generic/crc32.c $(obj)crc32.c
 
 #########################################################################
 
-.depend:       Makefile $(SOURCES)
-               $(CC) -M $(HOST_CFLAGS) $(CPPFLAGS) -DUSE_HOSTCC $(SOURCES) > $@
+include $(TOPDIR)/rules.mk
 
-sinclude .depend
+sinclude $(obj).depend
 
 #########################################################################