[sr #110319] autoconf incompatible change not fixed by autoupdate

[Per Bothner]

URL:
  <https://savannah.gnu.org/support/?110319>

                 Summary: autoconf incompatible change not fixed by autoupdate
                 Project: Autoconf
            Submitted by: bothner
            Submitted on: Fri 25 Sep 2020 08:21:43 PM UTC
                Category: None
                Priority: 5 - Normal
                Severity: 3 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
        Operating System: GNU/Linux

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Details:

The following works with 2.69, but breaks with 2.69c:

AS_IF([test -z "$with_asciidoctor"],
    AC_CHECK_PROG(with_asciidoctor, asciidoctor, "yes", "no"))

Adding brackets seems to work:

AS_IF([test -z "$with_asciidoctor"],
    [AC_CHECK_PROG(with_asciidoctor, asciidoctor, "yes", "no")])

Autoupdate does not deal with this case.





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