?RCS: $Id: d_csh.U 167 2013-05-08 17:58:00Z rmanfredi $ ?RCS: ?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi ?RCS: ?RCS: You may redistribute only under the terms of the Artistic License, ?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 License; a copy of which may be found at the root ?RCS: of the source tree for dist 4.0. ?RCS: ?RCS: $Log: d_csh.U,v $ ?RCS: Revision 3.0.1.1 1997/02/28 15:32:18 ram ?RCS: patch61: added full_csh to preserve the full path even when portable ?RCS: ?RCS: Revision 3.0 1993/08/18 12:05:53 ram ?RCS: Baseline for dist 3.0 netwide release. ?RCS: ?MAKE:d_csh full_csh: csh Setvar ?MAKE: -pick add $@ %< ?S:d_csh: ?S: This variable conditionally defines the CSH symbol, which ?S: indicates to the C program that the C-shell exists. ?S:. ?S:full_csh: ?S: This variable contains the full pathname to 'csh', whether or ?S: not the user has specified 'portability'. This is only used ?S: in the compiled C program, and we assume that all systems which ?S: can share this executable will have the same full pathname to ?S: 'csh.' ?S:. ?C:HAS_CSH: ?C: This symbol, if defined, indicates that the C-shell exists. ?C:. ?C:CSH: ?C: This symbol, if defined, contains the full pathname of csh. ?C:. ?X: Previously, I just did $d_csh CSH "$full_csh", but that caused ?X: problems on VMS where the config.sh extraction program changes ?X: $undef to a real cpp undef, and they then had #undef CSH "" ?X: which the compiler didn't like. It's easy to work around this, ?X: so I did. --AD 3/1998. ?X: And we don't want to define CSH if !HAS_CSH, but we don't want ?X: those lines in config.h if they don't need CSH, so protect with ?CSH ?X: and not ?%<. --RAM, 15/02/2004 ?H:?%<:#$d_csh HAS_CSH /**/ ?H:?CSH:#ifdef HAS_CSH ?H:?CSH:#define CSH "$full_csh" /**/ ?H:?CSH:#endif ?H:. ?LINT:set d_csh : get csh whereabouts case "$csh" in 'csh') val="$undef" ;; *) val="$define" ;; esac set d_csh eval $setvar : Respect a hint or command line value for full_csh. case "$full_csh" in '') full_csh=$csh ;; esac