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Diffstat (limited to 'mcon/U/d_system.U')
| -rw-r--r-- | mcon/U/d_system.U | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/mcon/U/d_system.U b/mcon/U/d_system.U new file mode 100644 index 0000000..f803f01 --- /dev/null +++ b/mcon/U/d_system.U @@ -0,0 +1,44 @@ +?RCS: $Id$ +?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_system.U,v $ +?RCS: Revision 3.0 1993/08/18 12:07:44 ram +?RCS: Baseline for dist 3.0 netwide release. +?RCS: +?MAKE:d_system: Trylink cat i_stdlib +?MAKE: -pick add $@ %< +?S:d_system: +?S: This variable conditionally defines HAS_SYSTEM if system() is +?S: available to issue a shell command. +?S:. +?C:HAS_SYSTEM (SYSTEM): +?C: This symbol, if defined, indicates that the system routine is +?C: available to issue a shell command. +?C:. +?H:#$d_system HAS_SYSTEM /**/ +?H:. +?LINT:set d_system +: see if system exists +$cat >try.c <<EOC +#$i_stdlib I_STDLIB +#ifdef I_STDLIB +#include <stdlib.h> +#endif +int main(void) +{ + static int ret; + ret |= system("command"); + return ret ? 0 : 1; +} +EOC +cyn=system +set d_system +eval $trylink + |