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alpine.mk: maketarget for usb images

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This commit is contained in:
Natanael Copa 2009-05-25 14:33:49 +00:00
parent 2219b258cf
commit 989003baa2
1 changed files with 27 additions and 3 deletions
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30
alpine.mk
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@ -235,10 +235,34 @@ iso: $(ISO)
#
# SHA1 sum of ISO
#
SHA1 := $(ISO).sha1
ISO_SHA1 := $(ISO).sha1
$(SHA1): $(ISO)
$(ISO_SHA1): $(ISO)
@echo "==> Generating sha1 sum"
@sha1sum $(ISO) > $@ || rm -f $@
sha1: $(SHA1)
#
# USB image
#
USBIMG := $(ALPINE_NAME)-$(ALPINE_RELEASE)-$(ALPINE_ARCH).img
USBIMG_SIZE := 510
MBRPATH := /usr/share/syslinux/mbr.bin
# the offset where the frist partition is found
USBIMG_OFFSET := 16384
$(USBIMG): $(ISOFS_DIRSTAMP)
#Creating imagefile
dd if=/dev/zero of=$(USBIMG) bs=1000000 count=$(USBIMG_SIZE)
parted -s $(USBIMG) mklabel msdos
parted -s $(USBIMG) mkpartfs primary fat32 0 $(USBIMG_SIZE)
parted -s $(USBIMG) set 1 boot on
dd if=$(MBRPATH) of=$(USBIMG) oflags=notrunc
syslinux -o $(USBIMG_OFFSET) $(USBIMG)
mcopy -i $(USBIMG)@@$(USBIMG_OFFSET) $(ISO_DIR)/* $(ISO_DIR)/.[a-z]* ::
USBIMG_SHA1 := $(USBIMG).sha1
$(USBIMG_SHA1): $(USBIMG)
@echo "==> Generating sha1 sum"
@sha1sum $(USBIMG) > $@ || rm -f $@
sha1 release: $(ISO_SHA1) $(USBIMG_SHA1)