mirror of
https://github.com/lcn2/calc.git
synced 2025-08-16 01:03:29 +03:00
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/*
|
|
* have_const - Determine if we want or can support ansi const
|
|
*
|
|
* usage:
|
|
* have_const
|
|
*
|
|
* Not all compilers support const, so this may not compile on your system.
|
|
*
|
|
* This prog outputs several defines:
|
|
*
|
|
* HAVE_CONST
|
|
* defined ==> ok to use const
|
|
* undefined ==> do not use const
|
|
*
|
|
* CONST
|
|
* const ==> use const
|
|
* (nothing) ==> const not used
|
|
*/
|
|
/*
|
|
* Copyright (c) 1995 by Landon Curt Noll. All Rights Reserved.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software and
|
|
* its documentation for any purpose and without fee is hereby granted,
|
|
* provided that the above copyright, this permission notice and text
|
|
* this comment, and the disclaimer below appear in all of the following:
|
|
*
|
|
* supporting documentation
|
|
* source copies
|
|
* source works derived from this source
|
|
* binaries derived from this source or from derived source
|
|
*
|
|
* LANDON CURT NOLL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
|
|
* EVENT SHALL LANDON CURT NOLL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
|
|
* USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
|
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
* chongo was here /\../\
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
|
|
MAIN
|
|
main(void)
|
|
{
|
|
#if defined(HAVE_NO_CONST)
|
|
printf("#undef HAVE_CONST /* no */\n");
|
|
printf("#undef CONST\n");
|
|
printf("#define CONST /* no */\n");
|
|
#else /* HAVE_NO_CONST */
|
|
const char * const str = "const";
|
|
|
|
printf("#define HAVE_CONST /* yes */\n");
|
|
printf("#undef CONST\n");
|
|
printf("#define CONST %s /* yes */\n", str);
|
|
#endif /* HAVE_NO_CONST */
|
|
exit(0);
|
|
}
|