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Re: Use "$(MKDIR_P) sys", not race-prone "test -d sys || mkdir sys".


From: Paul Eggert
Subject: Re: Use "$(MKDIR_P) sys", not race-prone "test -d sys || mkdir sys".
Date: Mon, 22 Jan 2007 15:00:35 -0800
User-agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux)

Ralf Wildenhues <address@hidden> writes:

>       * lib/autoconf/programs.m4 (AC_PROG_MKDIR_P): Also
>       AC_SUBST([MKDIR_P]), so that Automake < 1.10 will pick up its
>       trace, if a package uses AC_PROG_MKDIR_P explicitly.  The actual
>       substitution will still be done by the special code.
>       Report by Jim Meyering.

Thanks, please apply, except please change this comment:

> +dnl In status.m4, we di special magic for MKDIR_P instead of AC_SUBST,
> +dnl to get relative names right.  However, here we also AC_SUBST, so
> +dnl that Automake versions before 1.10 will pick it up (they do not
> +dnl trace AC_SUBST_TRACE).

to this (just rewording):

dnl status.m4 does special magic for MKDIR_P instead of AC_SUBST,
dnl to get relative names right.  However, also AC_SUBST here so
dnl that Automake versions before 1.10 will pick it up (they do not
dnl trace AC_SUBST_TRACE).




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