From f21b657f27965beacd2a3134aafbf66d4db60930 Mon Sep 17 00:00:00 2001 From: Patrick Georgi Date: Fri, 17 Apr 2015 14:32:34 +0200 Subject: [PATCH] build system: improve portability by not relying on extraordinary dd options Change-Id: Ibc7fe38ae11e9d477f85fdcf760b27abc6013f94 Signed-off-by: Patrick Georgi Reviewed-on: http://review.coreboot.org/9791 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- Makefile.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile.inc b/Makefile.inc index 204e5185a7..9ef29d6c0f 100644 --- a/Makefile.inc +++ b/Makefile.inc @@ -560,7 +560,7 @@ $(obj)/coreboot.rom: $(obj)/coreboot.pre $(objcbfs)/ramstage.elf $(CBFSTOOL) $(c @printf " CBFS $(subst $(obj)/,,$(@))\n" # The full ROM may be larger than the CBFS part, so create an empty # file (filled with \377 = 0xff) and copy the CBFS image over it. - tr '\000' '\377' < /dev/zero 2> /dev/null | dd of=$@.tmp bs=8192 iflag=fullblock count=$$(($(CONFIG_ROM_SIZE) / 8192)) 2> /dev/null + dd if=/dev/zero bs=$(CONFIG_ROM_SIZE) count=1 | tr '\000' '\377' > $@.tmp dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null $(CBFSTOOL) $@.tmp add-stage -f $(objcbfs)/ramstage.elf -n $(CONFIG_CBFS_PREFIX)/ramstage -c $(CBFS_COMPRESS_FLAG) ifeq ($(CONFIG_PAYLOAD_NONE),y)