On Tue, May 13, 2025 at 11:05:54PM +0800, Yang Kun wrote: [...] > diff --git a/lib/compile b/lib/compile > index c404e89..a2afc93 100755 > --- a/lib/compile > +++ b/lib/compile > @@ -28,12 +28,8 @@ scriptversion=2025-02-03.05; # UTC > # bugs to <bug-automake@gnu.org> or send patches to > # <automake-patc...@gnu.org>. > > -nl=' > -' > - > -# We need space, tab and new line, in precisely that order. Quoting is > -# there to prevent tools from complaining about whitespace usage. > -IFS=" "" $nl" > +# We need space, tab and new line, in precisely that order. > +IFS=$' \t\n'
IFS=$' \t\n' is a bashism which is not supported in most other shells. The original code is portable. This seems to have nothing to do with the rest of your change, so why change it at all? Cheers, Nick