[U-Boot] [PATCH v2] tools/env: use lib/crc32.c directly

[Andreas Bießmann]

Instead of linking the file into $(obj) tree use directly the source file.
This also prevents littered source tree if building not out-of-tree.

Signed-off-by: Andreas Bießmann <biessmann at corscience.de>
Acked-by: Mike Frysinger <vapier at gentoo.org>
---
total: 0 errors, 0 warnings, 27 lines checked

0001-tools-env-use-lib-crc32.c-directly.patch has no obvious style problems and is ready for submission.

changes since v1:
 - also remove deletion of $(obj)/tools/crc32.c from Makefile which is not
   longer necessary

 Makefile           |    2 +-
 tools/env/Makefile |    7 ++-----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index e9a153c..081e975 100644
--- a/Makefile
+++ b/Makefile
@@ -973,7 +973,7 @@ clobber:	clean
 	@rm -f $(obj)u-boot.kwb
 	@rm -f $(obj)u-boot.imx
 	@rm -f $(obj)u-boot.ubl
-	@rm -f $(obj)tools/{env/crc32.c,inca-swap-bytes}
+	@rm -f $(obj)tools/inca-swap-bytes
 	@rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
 	@rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
 	@rm -fr $(obj)include/generated
diff --git a/tools/env/Makefile b/tools/env/Makefile
index 2f7a59c..28b73da 100644
--- a/tools/env/Makefile
+++ b/tools/env/Makefile
@@ -23,7 +23,7 @@
 
 include $(TOPDIR)/config.mk
 
-HOSTSRCS := $(obj)crc32.c  fw_env.c  fw_env_main.c
+HOSTSRCS := $(SRCTREE)/lib/crc32.c  fw_env.c  fw_env_main.c
 HEADERS	:= fw_env.h
 
 # Compile for a hosted environment on the target
@@ -43,10 +43,7 @@ $(obj)fw_printenv:	$(HOSTSRCS) $(HEADERS)
 	$(HOSTCC) $(HOSTCFLAGS_NOPED) $(HOSTLDFLAGS) -o $@ $(HOSTSRCS)
 
 clean:
-	rm -f $(obj)fw_printenv $(obj)crc32.c
-
-$(obj)crc32.c:
-	ln -s $(src)../../lib/crc32.c $(obj)crc32.c
+	rm -f $(obj)fw_printenv
 
 #########################################################################
 
-- 
1.7.6.3