bug#14042: configure error for guile 2.0.7

[Ludovic Courtès]

Marc Girod <address@hidden> skribis:

> ./test-language: !: not found
> FAIL: test-language

I believe the faulty line is this:

  ! guile -c "(= (funcall (symbol-function '+) 1 2) 3)" 2> /dev/null

Does it work if rewritten this way?

  if guile -c "(= (funcall (symbol-function '+) 1 2) 3)" 2> /dev/null
  then false
  else true

TIA,
Ludo’.