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fdt: avoid bad MAKEALL status

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Current versions of  dtc  always print a message like

	DTC: dts->dtb  on file "dt.dtb.tmp"

which cannot even be suppressed with "-qqq".  To avoid incorrect
MAKEALL status, we manually filter out this message.  This is a bit
complicated, as we have to make sure to set a correct return code.

Also, get rid of the temp file: dtc accepts "-" for stdin.

Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Wolfgang Denk 2012-04-19 02:36:44 +00:00
parent 82f45866ee
commit 896bbb5316
1 changed files with 7 additions and 3 deletions
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10
dts/Makefile
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@ -46,9 +46,13 @@ all: $(obj).depend $(LIB)
DT_BIN := $(obj)dt.dtb
$(DT_BIN): $(TOPDIR)/board/$(VENDOR)/dts/$(DEVICE_TREE).dts
cat $< | $(CPP) -P $(DTS_CPPFLAGS) - >$@.tmp
$(DTC) -R 4 -p 0x1000 -O dtb -o ${DT_BIN} $@.tmp
rm $@.tmp
rc=$$( \
cat $< | $(CPP) -P $(DTS_CPPFLAGS) - | \
{ { $(DTC) -R 4 -p 0x1000 -O dtb -o ${DT_BIN} - 2>&1 ; \
echo $$? >&3 ; } | \
grep -v '^DTC: dts->dtb on file' ; \
} 3>&1 ) ; \
exit $$rc
process_lds = \
$(1) | sed -r -n 's/^OUTPUT_$(2)[ ("]*([^")]*).*/\1/p'