On Thu, Feb 08, 2007 at 12:56:17AM -0500, Mike Frysinger wrote:
> On 2/8/07, Oleg Verych <[email protected]> wrote:
> >> Check to see if `${CROSS_COMPILE}mkimage` exists and if not, fall back to
> >> the standard `mkimage`
> >
> >Why this can't be done by
> >
> > PATH=$CROSS_COMPILE:$PATH
> >
> >in your environment?
>
> because it wouldnt matter ? the tool is called
> "$CROSS_COMPILE-mkimage", it isnt $CROSS_COMPILE_PATH/mkimage
Well, i mean search for your `mkimage'.
Let's see how all this used in Makefiles (avr32, ppc, sh are same)
../arch/arm/boot/Makefile:
MKIMAGE := $(srctree)/scripts/mkuboot.sh
...
quiet_cmd_uimage = UIMAGE $@
cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \
-C none -a $(ZRELADDR) -e $(ZRELADDR) \
-n 'Linux-$(KERNELRELEASE)' -d $< $@
type, which with bash or whatever, doesn't matter. All they need *your*
toolchain in $PATH, why not just to put "$CROSS_COMPILE-mkimage" instead
of $(CONFIG_SHELL) $(MKIMAGE) here? mkuboot.sh just searches $PATH for
mkimage and run it. Double overkill, no?
> >> The Blackfin toolchain includes mkimage, but we dont want to namespace
> >> collide with any of the user's system setup, so we prefix it with our
> >> toolchain name.
> >
> >If that matter, `type -path' is bashizm (BloAted SHell), and "blackbox"
> >with "dash" (very good `sh' equivalents) will fail. I would recomend to
> >use "which" command (btw, Debian has `sh' version of it), if you
> >concerned about size and performance.
> >
> >Nack + proposition to move from `bash' to `sh'.
>
> the script already uses "#!/bin/bash" and the patch doesnt change any
> of the existing conventions ... so if you want to rewrite the existing
> code to be POSIX compliant, then do so so i can add back in support
> for $CROSS_COMPILE-mkimage
To run faster, but let me stop here.
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