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33a01fd2 | 1 | ?RCS: $Id$ |
d8875586 | 2 | ?RCS: |
33a01fd2 | 3 | ?RCS: Copyright (c) 1991-1997, 2004-2006, 2012 Raphael Manfredi |
d8875586 | 4 | ?RCS: |
33a01fd2 | 5 | ?RCS: You may redistribute only under the terms of the Artistic License, |
d8875586 MBT |
6 | ?RCS: as specified in the README file that comes with the distribution. |
7 | ?RCS: You may reuse parts of this distribution only within the terms of | |
33a01fd2 | 8 | ?RCS: that same Artistic License; a copy of which may be found at the root |
d8875586 MBT |
9 | ?RCS: of the source tree for dist 4.0. |
10 | ?RCS: | |
d8875586 MBT |
11 | ?MAKE:ptrsize: cat rm Myread +cc +ccflags |
12 | ?MAKE: -pick add $@ %< | |
13 | ?S:ptrsize: | |
14 | ?S: This variable contains the value of the PTRSIZE symbol, which | |
15 | ?S: indicates to the C program how many bytes there are in a pointer. | |
16 | ?S:. | |
17 | ?C:PTRSIZE: | |
18 | ?C: This symbol contains the size of a pointer, so that the C preprocessor | |
19 | ?C: can make decisions based on it. | |
20 | ?C:. | |
21 | ?H:#define PTRSIZE $ptrsize /**/ | |
22 | ?H:. | |
23 | ?F:!try | |
24 | : check for length of pointer | |
25 | echo " " | |
26 | case "$ptrsize" in | |
27 | '') | |
28 | echo "Checking to see how big your pointers are..." >&4 | |
29 | $cat >try.c <<'EOCP' | |
30 | #include <stdio.h> | |
31 | int main() | |
32 | { | |
33 | printf("%d\n", sizeof(char *)); | |
34 | } | |
35 | EOCP | |
36 | if $cc $ccflags -o try try.c >/dev/null 2>&1 ; then | |
37 | dflt=`./try` | |
38 | else | |
39 | dflt='4' | |
40 | echo "(I can't seem to compile the test program. Guessing...)" | |
41 | fi | |
42 | ;; | |
43 | *) | |
44 | dflt="$ptrsize" | |
45 | ;; | |
46 | esac | |
47 | rp="What is the size of a pointer (in bytes)?" | |
48 | . ./myread | |
49 | ptrsize="$ans" | |
50 | $rm -f try.c try | |
51 |