[Bug sim/13160] bfin simulator does not build on Darwin

["vapier at gentoo dot org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=13160

--- Comment #5 from Mike Frysinger <vapier at gentoo dot org> ---
(In reply to Chris Johns from comment #4)

my guess is you're copying & pasting the command from your terminal and that
isn't preserving the tabs.  instead you're pasting a command that uses spaces. 
you want something like:
bfin-elf-objdump -d -z linux-fixed-code.o | \
  sed -n -e 's:^[^\t]*\t:0x:' -e '/^0x/{s:\t.*::;s: *$:,:;s: :, 0x:g;p}'

i don't know why that's failing as, afaict, the code is POSIX compliant.  maybe
Darwin has a crappy implementation ?  i've tried `sed --posix` and `minised`
and `busybox sed` and they all work (well, almost ... minised doesn't handle
tabs correctly).

maybe it can't handle a nested print ?  what if you combine it with the s:
bfin-elf-objdump -d -z linux-fixed-code.o | \
  sed -n -e 's:^[^\t]*\t:0x:' -e '/^0x/{s:\t.*::;s: *$:,:;s: :, 0x:gp}'

if that still fails, try unrolling it:
bfin-elf-objdump -d -z linux-fixed-code.o | \
  sed -n -e 's:^[^\t]*\t:0x:' -e '/^0x/{s:\t.*::;s: *$:,:;s: :, 0x:g;
p
}'

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