Re: [Bug-wget] bootstrap problem

[Ángel González]

On 06/05/15 01:33, Jim Meyering wrote:
> On Tue, May 5, 2015 at 2:50 PM, Ángel González<address@hidden>  wrote:
> > I don't think that we should spend any effort attempting to support
> > non-POSIX shells
> > (Solaris sh seems the only midly common under that category).
> > That said, it would be nice to have a nicer error message.
> Happy to reiterate :-)
> Please don't waste time on shells that don't support $(...).
> I agree that it is important to die early when the selected shell is inadequate.
> I prefer to use the approach taken in gnulib's init.sh, which is used in most
> of coreutils' tests:
> http://git.savannah.gnu.org/cgit/gnulib.git/tree/tests/init.sh

A really clean solution :)
> test $(echo y) = y || exit 1

It would be simple to add to bootstrap a line like
> test $(echo y) = y || die 'No $() support. Please use a POSIX shell.'

Although Dagobert reports that the error happens *earlier*, inside warnf_
-it already uses $()- which makes the fix a bit unpleasant:

>   bootstrap: syntax error at line 88: `me_=$’ unexpected



FWIW the OP problem -solved by using bash- was

./bootstrap: 1: eval: Bad substitution ./bootstrap: Please install the 
prerequisite programs

I still wonder what /bin/sh he has on his Ubuntu box.