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Re: ^M in gstep-make
From: |
Nicola Pero |
Subject: |
Re: ^M in gstep-make |
Date: |
Fri, 5 Apr 2002 16:50:43 +0100 (BST) |
<Cc:ing gnustep-dev list>
> Actually, If it wasn't for performance considerations within the make
> package, I'd say we
> should remove the GNUSTEP_USER_ROOT environment variable entirely, to
> avoid any possible
> confusion (libFoundation could define it itsself of course).
Yes - currently gnustep-base can determine the gnustep user root (and user
defaults root) without using shell variables. It uses ~/GNUstep, and that
is configurable by each user by editing ~/.GNUsteprc. This is much more
flexible, powerful and portable. It doesn't depend on configuration
scripts (GNUstep.sh) being run at startup. [Btw - we also ignore
GNUSTEP_PATHPREFIX_LIST, and try to guess GNUSTEP_SYSTEM_ROOT,
GNUSTEP_LOCAL_ROOT and GNUSTEP_NETWORK_ROOT when starting up - if they're
not in the shell env -, so that potentially you could run gnustpe-base
programs without even having set up those shell variables (ie, without
running GNUstep.sh), or with trivial definitions. That is generally good
in helping portability.]
But because gnustep-make needs access to that directory too, and because
we can't have gnsutep-make depend on gnustep-base, we have extracted the
little bit of gnustep-base determining the directory from gnustep-base and
put it into user_home.
Basically, gnustep-make should call 'user_home' each time it is run to
determine that user-specific directory. user_home reads that from
.GNUsteprc.
So - GNUSTEP_USER_ROOT is totally unused and useless ... except for
performance reasons we don't want to call 'user_home' each time 'make' is
run: gnustep-make caches it inside the GNUSTEP_USER_ROOT variable at
startup time inside GNUstep.sh. But the GNUSTEP_USER_ROOT variable is
just a cache in the shell environment, for that specific user, of the
results of calling user_home username. You no longer configure the user
gnustep user root by changing GNUSTEP_USER_ROOT, but rather by editing
~/.GNUsteprc (which causes user_home username to return something
different), then resetting your gnustep env to match.
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