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Re: Portability of AC_ARG_PROGRAM

From: Pavel Roskin
Subject: Re: Portability of AC_ARG_PROGRAM
Date: Wed, 20 Jun 2001 17:03:44 -0400 (EDT)

Hi. Akim!

> I'm in favor of removing AC_ARG_PROGRAM and considering it as part of
> the standard ./configure interface.  The worse part being that without
> AC_ARG_PROGRAM, --program-prefix etc. are accepted, but ignored.

I agree.

As a side note, it would be nice to modify AC_DEFUN_ONCE (used to define
AC_ARG_PROGRAM) so that it only warns about unneeded calls in the
top-level code, but not in the macros defined with AC_DEFUN.
Otherwise users will be annoyed by the warnings they cannot fix. The same
story as with AC_PROG_LEX.

>       * acgeneral.m4 (AC_ARG_VAR): Be sure not to leave extra `;'.

Fine with me.

> +cat <<\EOF >conftest.sed
> +s/\\/\\\\/g;
> +s/\$/$$/g
> +s/;*$//
> +s/^$/s,x,x/
> +EOF

I'm impressed :-)

Pavel Roskin

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