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Re: [Bug-gnulib] Re: getline AC_LIBOBJs

From: Derek Robert Price
Subject: Re: [Bug-gnulib] Re: getline AC_LIBOBJs
Date: Fri, 24 Oct 2003 09:10:31 -0400
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Bruno Haible wrote:

| dnl Can be used inside if. Can also be invoked multiple times.
|  if test -z "$foo_done"; then
|    foo_done=yes
|    gl_FOO_GUTS
|  fi

Maybe I'm missing something.  Is there some programmatic reason the
above macro is not requirable?

|dnl Undocumented, not an entry point.
|AC_DEFUN([gl_FOO_GUTS], [...Here comes the shell code...])
|Now one can even create a macro AC_DEFUN_TWICE, in such a way that all
|the code above is expanded from
|    [...Here comes the shell code...])

If you can just use the AC_DEFUN_TWICE macro, then why even bother
having two entrance points?  Are you simply not listing cases where it
is necessary to define the two functions differently?  If so, could you
please provide me with an example?


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