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AC_PROG_MKDIR_P documentation

From: Stepan Kasal
Subject: AC_PROG_MKDIR_P documentation
Date: Mon, 22 May 2006 19:09:39 +0200
User-agent: Mutt/

  the documentation says:

+[...] Also, @code{AS_MKDIR_P} does not accept options,
+but if you are willing to assume Posix 1003.2-1992 or later, a
address@hidden can use the @option{-m} option,

That sounds weird, considering the fact that MKDIR_P refers either to
GNU mkdir or to the install-sh script delivered together with the

Option -m is not handled if the system contains a version of GNU mkdir
which doesn't have it.  (Haven't checked the history of fileutils.)

The documentation also says:
+[..] The program is checked to make
+sure that it is thread-safe (@pxref{Limitations of Usual Tools}).

Ouch!  We do not check anything, we just _know_ that if install-sh is
current, it is probably thread-safe.  (The most ugly race condition
was removed, and we don't know about other problem.)

And are we really sure that ancient versions of GNU mkdir were thread

I suggest to simply say

... but you can use @code{MKDIR_P} with the @option{-m} option, ...


... On recent system, the program is thread-safe.

Well, I have probably missed something.

Have a nice day,

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