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[metaconfig.git] / dist / U / d_portable.U

?RCS: $Id: d_portable.U 1 2006-08-24 12:32:52Z rmanfredi $
?RCS:
?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
?RCS: 
?RCS: You may redistribute only under the terms of the Artistic Licence,
?RCS: as specified in the README file that comes with the distribution.
?RCS: You may reuse parts of this distribution only within the terms of
?RCS: that same Artistic Licence; a copy of which may be found at the root
?RCS: of the source tree for dist 4.0.
?RCS:
?RCS: $Log: d_portable.U,v $
?RCS: Revision 3.0.1.2  1995/01/11  15:28:52  ram
?RCS: patch45: executable path stripping moved to the end in Config_sh.U
?RCS:
?RCS: Revision 3.0.1.1  1993/12/15  08:21:17  ram
?RCS: patch15: did not strip variables properly when needed
?RCS: patch15: now also strips down variables from trylist
?RCS:
?RCS: Revision 3.0  1993/08/18  12:06:48  ram
?RCS: Baseline for dist 3.0 netwide release.
?RCS:
?X:
?X: The Loc unit is wanted to get the definition of all the locating variables.
?X:
?MAKE:d_portable: cat Loc Myread Oldconfig
?MAKE:	-pick add $@ %<
?S:d_portable:
?S:	This variable conditionally defines the PORTABLE symbol, which
?S:	indicates to the C program that it should not assume that it is
?S:	running on the machine it was compiled on.
?S:.
?C:PORTABLE:
?C:	This symbol, if defined, indicates to the C program that it should
?C:	not assume that it is running on the machine it was compiled on.
?C:	The program should be prepared to look up the host name, translate
?C:	generic filenames, use PATH, etc.
?C:.
?H:#$d_portable PORTABLE	/**/
?H:.
?D:d_portable=''
: decide how portable to be
case "$d_portable" in
"$define") dflt=y;;
*)	dflt=n;;
esac
$cat <<'EOH'
 
I can set things up so that your shell scripts and binaries are more portable,
at what may be a noticable cost in performance.  In particular, if you
ask to be portable, the following happens:

     1) Shell scripts will rely on the PATH variable rather than using
	the paths derived above.
     2) ~username interpretations will be done at run time rather than
	by Configure.
@if PHOSTNAME
     3) The system name will be determined at run time, if at all possible.
@end

EOH
rp="Do you expect to run these scripts and binaries on multiple machines?"
. ./myread
case "$ans" in
	y*) d_portable="$define"
?X:
?X: Paths will be stripped down (/usr/bin/vi -> vi) in Config_sh.U if needed.
?X:
	;;
	*)  d_portable="$undef" ;;
esac