Mark: It should be noted that, according to his launchpad profile, sparr
is not actually an Ubuntu dev. I think the last actual dev to comment on
this thread was Matthew Garrett (mjg59), with a "no plans to fix this".
Since then, the bug has been rejected (or WONTFIX, to use the more
accurate Bugzilla parlance), so I suspect that any comment here is
actually being ignored.

Stephen: glibc has been fixed upstream; unfortunately, the real world contains 
reasons to still use old versions (e.g. funky, cross-compiling build 
environments). Specifically, 2.3 and down contain this (partial) line in 
csu/Makefile:
  linux*) version=`(echo -e "#include <linux/version.h>\nUTS_RELEASE"\
Which eventually results in a compile error due to a malformed autogenerated 
header file. The easy, GNU-specific, fix is to change echo to /bin/echo, which 
supports the old POSIX flags; the fix the glibc devs have taken is to use 
printf.

(All "Makefile" breakages I've encountered from this are due to assuming
that echo supports flags. Given that GNU echo does, shell builtins which
behave differently [and this includes bash's support for "-n", actually]
are unhelpfully misleading. Especially as "which echo" won't tell you
that it's a builtin in either bash or dash [score one for tcsh there,
which does].)

So, sorry if that was misleading. I didn't notice that it was quite such
an antiquated version at the time, because the setup process for the
environment is, itself, another shell script. (Hurrah. I love digging
through tons of script to find out why I can't just get a working ARM
compiler.)

-- 
Script that are using bash could be broken with the new symlink
https://launchpad.net/bugs/61463

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