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Re: ensure that generated files are read-only
From: |
Ralf Wildenhues |
Subject: |
Re: ensure that generated files are read-only |
Date: |
Thu, 7 Sep 2006 18:45:55 +0200 |
User-agent: |
Mutt/1.5.13 (2006-09-01) |
Hello Paul,
* Paul Eggert wrote on Thu, Sep 07, 2006 at 06:13:11PM CEST:
>
> Here's another thought: how about this even-shorter version instead?
>
> alloca.h: alloca_.h
> $(LN_F_S) $(srcdir)/alloca_.h $@
>
> where $(LN_FS) expands to "ln -fs" in the typical case, or to
> "rm -f $@ && cp" on hosts where "ln -fs" doesn't work (e.g., Solaris 9
> and earlier).
I like it, but it runs a bit contrary to command optimization; for
example, the HP-UX make I tested will try to update the symlink target
upon every invocation, not just the first one. (Not analyzed further.)
Cheers,
Ralf
Re: ensure that generated files are read-only, Jim Meyering, 2006/09/08
Re: [bug-gnulib] ensure that generated files are read-only, Bruno Haible, 2006/09/07