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ff19f974 JH |
1 | ?RCS: $Id: d_getpgrp.U,v 3.0.1.1 1997/02/28 15:34:28 ram Exp $ |
2 | ?RCS: | |
3 | ?RCS: Copyright (c) 1991-1993, Raphael Manfredi | |
0065f4af | 4 | ?RCS: |
65a32477 | 5 | ?RCS: You may redistribute only under the terms of the Artistic License, |
ff19f974 JH |
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 | |
65a32477 | 8 | ?RCS: that same Artistic License; a copy of which may be found at the root |
ff19f974 JH |
9 | ?RCS: of the source tree for dist 3.0. |
10 | ?RCS: | |
11 | ?RCS: $Log: d_getpgrp.U,v $ | |
12 | ?RCS: Revision 3.0.1.1 1997/02/28 15:34:28 ram | |
65a32477 | 13 | ?RCS: patch61: new USE_BSD_GETPGRP to detect the getpgrp() flavor |
ff19f974 JH |
14 | ?RCS: |
15 | ?RCS: Revision 3.0 1993/08/18 12:06:15 ram | |
16 | ?RCS: Baseline for dist 3.0 netwide release. | |
17 | ?RCS: | |
2cb64bf6 | 18 | ?MAKE:d_getpgrp d_bsdgetpgrp: Guess Inlibc Setvar cat rm_try \ |
1273bb5e | 19 | +cc +ccflags +ldflags +libs i_unistd i_stdlib run |
ff19f974 JH |
20 | ?MAKE: -pick add $@ %< |
21 | ?S:d_getpgrp: | |
22 | ?S: This variable conditionally defines HAS_GETPGRP if getpgrp() is | |
23 | ?S: available to get the current process group. | |
24 | ?S:. | |
25 | ?S:d_bsdgetpgrp: | |
26 | ?S: This variable conditionally defines USE_BSD_GETPGRP if | |
27 | ?S: getpgrp needs one arguments whereas USG one needs none. | |
28 | ?S:. | |
29 | ?C:HAS_GETPGRP (GETPGRP): | |
30 | ?C: This symbol, if defined, indicates that the getpgrp routine is | |
31 | ?C: available to get the current process group. | |
32 | ?C:. | |
33 | ?C:USE_BSD_GETPGRP: | |
34 | ?C: This symbol, if defined, indicates that getpgrp needs one | |
35 | ?C: arguments whereas USG one needs none. | |
36 | ?C:. | |
37 | ?H:#$d_getpgrp HAS_GETPGRP /**/ | |
38 | ?H:#$d_bsdgetpgrp USE_BSD_GETPGRP /**/ | |
39 | ?H:. | |
40 | ?T:xxx | |
0065f4af | 41 | ?F:!try |
ff19f974 JH |
42 | ?LINT:set d_getpgrp d_bsdgetpgrp |
43 | : see if getpgrp exists | |
44 | set getpgrp d_getpgrp | |
45 | eval $inlibc | |
46 | ||
47 | @if USE_BSD_GETPGRP || d_bsdgetpgrp | |
48 | case "$d_getpgrp" in | |
49 | "$define") | |
50 | echo " " | |
51 | echo "Checking to see which flavor of getpgrp is in use..." | |
0f00356b | 52 | $cat >try.c <<EOP |
27b21fc9 | 53 | #include <stdio.h> |
ff19f974 JH |
54 | #$i_unistd I_UNISTD |
55 | #include <sys/types.h> | |
56 | #ifdef I_UNISTD | |
57 | # include <unistd.h> | |
58 | #endif | |
1273bb5e JH |
59 | #$i_stdlib I_STDLIB |
60 | #ifdef I_STDLIB | |
61 | #include <stdlib.h> | |
62 | #endif | |
ff19f974 JH |
63 | int main() |
64 | { | |
65 | if (getuid() == 0) { | |
66 | printf("(I see you are running Configure as super-user...)\n"); | |
67 | setuid(1); | |
68 | } | |
69 | #ifdef TRY_BSD_PGRP | |
70 | if (getpgrp(1) == 0) | |
71 | exit(0); | |
72 | #else | |
73 | if (getpgrp() > 0) | |
74 | exit(0); | |
75 | #endif | |
76 | exit(1); | |
77 | } | |
78 | EOP | |
0f00356b | 79 | if $cc -o try -DTRY_BSD_PGRP $ccflags $ldflags try.c $libs >/dev/null 2>&1 && $run ./try; then |
ff19f974 JH |
80 | echo "You have to use getpgrp(pid) instead of getpgrp()." >&4 |
81 | val="$define" | |
0f00356b | 82 | elif $cc -o try $ccflags $ldflags try.c $libs >/dev/null 2>&1 && $run ./try; then |
ff19f974 JH |
83 | echo "You have to use getpgrp() instead of getpgrp(pid)." >&4 |
84 | val="$undef" | |
85 | else | |
86 | echo "I can't seem to compile and run the test program." | |
87 | if ./usg; then | |
88 | xxx="a USG one, i.e. you use getpgrp()." | |
89 | else | |
90 | # SVR4 systems can appear rather BSD-ish. | |
91 | case "$i_unistd" in | |
92 | $undef) | |
93 | xxx="a BSD one, i.e. you use getpgrp(pid)." | |
94 | val="$define" | |
95 | ;; | |
96 | $define) | |
97 | xxx="probably a USG one, i.e. you use getpgrp()." | |
98 | val="$undef" | |
99 | ;; | |
100 | esac | |
101 | fi | |
102 | echo "Assuming your getpgrp is $xxx" >&4 | |
103 | fi | |
104 | ;; | |
105 | *) val="$undef";; | |
106 | esac | |
107 | set d_bsdgetpgrp | |
108 | eval $setvar | |
2cb64bf6 | 109 | $rm_try |
ff19f974 JH |
110 | @end |
111 |