trivial: simplify make rule for binary config

... and it saves 60 bytes if CMD_CONFIG is set! Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

trivial: simplify make rule for binary config
... and it saves 60 bytes if CMD_CONFIG is set! Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
a15f8233 · Alessandro Rubini · Adam Wujek · a49cf395 · a15f8233
Commit a15f8233 authored Feb 20, 2017 by Alessandro Rubini Committed by Adam Wujek Feb 27, 2017
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Makefile Makefile +2 -3

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--- a/Makefile
+++ b/Makefile
@@ -173,10 +173,9 @@ OBJCOPY-TARGET-$(CONFIG_LM32) = -O elf32-lm32 -B lm32
 OBJCOPY-TARGET-$(CONFIG_HOST_PROCESS) = -O elf64-x86-64 -B i386

 config.o: .config
-	sed '1,3d' .config > .config.bin
+	grep CONFIG .config > .config.bin
 	dd bs=1 count=1 if=/dev/zero 2> /dev/null >> .config.bin
-	$(OBJCOPY) -I binary $(OBJCOPY-TARGET-y) \
-		--rename-section .data=.data.config  .config.bin $@
+	$(OBJCOPY) -I binary $(OBJCOPY-TARGET-y) .config.bin $@
 	rm -f .config.bin

 %.bin: %.elf