Re: echo vs. printf regression (darwin8)

[David Fang]

Actually, 'pogma' pointed out that this comes from the autoconf macros in 
libtool.m4, near AC_MSG_CHECKING([how to print strings]).
I'm using libtool-2.2.10 right now.

Fang

> On 08/15/2010 06:59 PM, David Fang wrote:
> > Hi,
> > The ECHO that is chosen by autoconf on darwin8 (printf %s\n) is buggy:
> >
> > fangism % printf %s\n foo
> > foonfangism% printf '%s\n' foo
> > foo
> >
> > Must be due to the version of the Bourne shell (2.05b).
> > Failure is similar with sh-3.2.
> > The 'correct' value of ECHO should be printf '%s\n' (note the extra
> > single quote protection).
> > I don't know yet whether that is forward-compatible with newer versions
> > of Bourne shell.
> >
> > Don't recall which version of autoconf broke this, betweem 2.63 and latest.
>
> The problem seems to be in the way that "printf '%s\n'" is assigned to 
> as_echo.
>
> Paolo

David Fang
http://www.csl.cornell.edu/~fang/
http://www.achronix.com/