Re: PPC uImage build not reporting correctly

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On May 6, 2005, at 4:45 PM, Sam Ravnborg wrote:

> Sam,
 >
 > Tom pointed me at you to look at a makefile issue with
 > arch/ppc/boot/images/Makefile.  When I do the following:
 >
 > $ make uImage
 >    CHK     include/linux/version.h
> make[1]: `arch/ppc/kernel/asm-offsets.s' is up to date.
 >    CHK     include/linux/compile.h
>    CHK     usr/initramfs_list
>    UIMAGE  arch/ppc/boot/images/uImage
> Image Name:   Linux-2.6.12-rc3
 > Created:      Fri May  6 10:19:28 2005
> Image Type:   PowerPC Linux Kernel Image (gzip compressed)
 > Data Size:    993322 Bytes = 970.04 kB = 0.95 MB
 > Load Address: 0x00000000
 > Entry Point:  0x00000000
 >    Image: arch/ppc/boot/images/uImage not made
 >
> The issue is that the file arch/ppc/boot/images/uImage does exit (the
 > 'not made' is not correct).
 >
 > $(obj)/uImage: $(obj)/vmlinux.gz
>          $(Q)rm -f $@
 >          $(call if_changed,uimage)
>          @echo '  Image: $@' $(if $(wildcard $@),'is ready','not made')
 >
 > It seems the $(wildcard $@) expands at the start of the rule.  Any
 > ideas?

It probarly uses the build-in cache in make - and I see no easy way to
 tell make not to use the cache in this case.
 Could you try to replace "$(wildcard $@)" with something like:
$(shell if -f $@ echo Y; fi)

Untested - I'm not on a Linux box right now.

I tried the following w/o success:

$(obj)/uImage: $(obj)/vmlinux.gz
        $(Q)rm -f $@
        $(call if_changed,uimage)
@echo ' Image: $@' $(shell if [ -f $@ ]; then echo 'is ready'; else echo 'not made'; fi)

- kumar
-
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