xref: /unit/auto/unix (revision 676:24e245cc1d4e)
1
2# Copyright (C) Igor Sysoev
3# Copyright (C) NGINX, Inc.
4
5
6# getrandom().
7
8nxt_feature="getrandom()"
9nxt_feature_name=NXT_HAVE_GETRANDOM
10nxt_feature_run=yes
11nxt_feature_incs=
12nxt_feature_libs=
13nxt_feature_test="#include <unistd.h>
14                  #include <sys/random.h>
15
16                  int main() {
17                      char  buf[4];
18
19                      if (getrandom(buf, 4, 0) < 0) {
20                          return 1;
21                      }
22
23                      return 0;
24                  }"
25. auto/feature
26
27
28if [ $nxt_found = no ]; then
29
30    # Linux 3.17 SYS_getrandom.
31
32    nxt_feature="SYS_getrandom in Linux"
33    nxt_feature_name=NXT_HAVE_LINUX_SYS_GETRANDOM
34    nxt_feature_test="#include <unistd.h>
35                      #include <sys/syscall.h>
36                      #include <linux/random.h>
37
38                      int main() {
39                          char  buf[4];
40
41                          if (syscall(SYS_getrandom, buf, 4, 0) < 0) {
42                              return 1;
43                          }
44
45                          return 0;
46                      }"
47    . auto/feature
48fi
49
50
51nxt_feature="ucontext"
52nxt_feature_name=NXT_HAVE_UCONTEXT
53nxt_feature_run=
54nxt_feature_incs=
55nxt_feature_libs=
56nxt_feature_test="#include <stdlib.h>
57                  #include <ucontext.h>
58
59                  int main() {
60                      ucontext_t  uc;
61
62                      if (getcontext(&uc) == 0) {
63                          makecontext(&uc, NULL, 0);
64                          setcontext(&uc);
65                      }
66
67                      return 0;
68                  }"
69. auto/feature
70
71
72if [ $nxt_found = no ]; then
73
74    # MacOSX 10.6 (Snow Leopard) has deprecated ucontext
75    # and requires _XOPEN_SOURCE to be defined.
76
77    nxt_feature="_XOPEN_SOURCE ucontext"
78    nxt_feature_name=NXT_HAVE_UCONTEXT
79    nxt_feature_run=
80    nxt_feature_incs=
81    nxt_feature_libs=
82    nxt_feature_test="#define _XOPEN_SOURCE
83                      #include <stdlib.h>
84                      #include <ucontext.h>
85
86                      int main() {
87                          ucontext_t  uc;
88
89                          if (getcontext(&uc) == 0) {
90                              makecontext(&uc, NULL, 0);
91                              setcontext(&uc);
92                          }
93
94                          return 0;
95                      }"
96    . auto/feature
97fi
98
99
100# FreeBSD dlopen() is in libc.
101# MacOSX libdl.dylib is a symlink to libSystem.dylib.
102# GCC5 AddressSanitizer intercepts dlopen() and dlclose() but not dlsym()
103# so all dynamic linker functions should be tested.
104
105NXT_LIBDL=
106
107nxt_feature="dlopen()"
108nxt_feature_name=NXT_HAVE_DLOPEN
109nxt_feature_run=
110nxt_feature_incs=
111nxt_feature_libs=
112nxt_feature_test="#include <stdlib.h>
113                  #include <dlfcn.h>
114
115                  int main() {
116                      void *h = dlopen(NULL, RTLD_NOW | RTLD_GLOBAL);
117                      dlsym(h, \"\");
118                      dlclose(h);
119                      return 0;
120                  }"
121. auto/feature
122
123if [ $nxt_found = no ]; then
124
125    # Linux and Solaris prior to 10 require libdl.
126    # Solaris 10 libdl.so.1 is a filter to /usr/lib/ld.so.1.
127
128    nxt_feature="dlopen() in libdl"
129    nxt_feature_libs="-ldl"
130    . auto/feature
131
132    if [ $nxt_found = yes ]; then
133        NXT_LIBDL="-ldl"
134    fi
135fi
136
137
138nxt_feature="posix_spawn()"
139nxt_feature_name=NXT_HAVE_POSIX_SPAWN
140nxt_feature_run=
141nxt_feature_incs=
142nxt_feature_libs=
143nxt_feature_test="#include <spawn.h>
144                  #include <unistd.h>
145
146                  int main() {
147                      (void) posix_spawn(NULL, NULL, NULL, NULL, NULL, NULL);
148                      return 0;
149                  }"
150. auto/feature
151
152
153# NetBSD 1.0, OpenBSD 1.0, FreeBSD 2.2 setproctitle().
154
155nxt_feature="setproctitle()"
156nxt_feature_name=NXT_HAVE_SETPROCTITLE
157nxt_feature_run=
158nxt_feature_incs=
159nxt_feature_libs=
160nxt_feature_test="#include <stdlib.h>
161                  #include <unistd.h>
162
163                  int main() {
164                      setproctitle(\"%s\", \"title\");
165                      return 0;
166                  }"
167. auto/feature
168