xref: /unit/auto/unix (revision 2151:fab207c6836c)
1
2# Copyright (C) Igor Sysoev
3# Copyright (C) NGINX, Inc.
4
5
6# Linux 3.17 with glibc 2.25, FreeBSD 12, Solaris 11.3.
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
51if [ $nxt_found = no ]; then
52
53    # OpenBSD 5.6 lacks <sys/random.h>.
54
55    nxt_feature="getentropy()"
56    nxt_feature_name=NXT_HAVE_GETENTROPY
57    nxt_feature_test="#include <unistd.h>
58
59                      int main() {
60                          char  buf[4];
61
62                          if (getentropy(buf, 4) == -1) {
63                              return 1;
64                          }
65
66                          return 0;
67                      }"
68    . auto/feature
69fi
70
71
72if [ $nxt_found = no ]; then
73
74    # macOS 10.12.
75
76    nxt_feature="getentropy() in sys/random.h"
77    nxt_feature_name=NXT_HAVE_GETENTROPY_SYS_RANDOM
78    nxt_feature_test="#include <unistd.h>
79                      #include <sys/random.h>
80
81                      int main() {
82                          char  buf[4];
83
84                          if (getentropy(buf, 4) == -1) {
85                              return 1;
86                          }
87
88                          return 0;
89                      }"
90    . auto/feature
91fi
92
93
94nxt_feature="ucontext"
95nxt_feature_name=NXT_HAVE_UCONTEXT
96nxt_feature_run=
97nxt_feature_incs=
98nxt_feature_libs=
99nxt_feature_test="#include <stdlib.h>
100                  #include <ucontext.h>
101
102                  int main() {
103                      ucontext_t  uc;
104
105                      if (getcontext(&uc) == 0) {
106                          makecontext(&uc, NULL, 0);
107                          setcontext(&uc);
108                      }
109
110                      return 0;
111                  }"
112. auto/feature
113
114
115if [ $nxt_found = no ]; then
116
117    # MacOSX 10.6 (Snow Leopard) has deprecated ucontext
118    # and requires _XOPEN_SOURCE to be defined.
119
120    nxt_feature="_XOPEN_SOURCE ucontext"
121    nxt_feature_name=NXT_HAVE_UCONTEXT
122    nxt_feature_run=
123    nxt_feature_incs=
124    nxt_feature_libs=
125    nxt_feature_test="#define _XOPEN_SOURCE
126                      #include <stdlib.h>
127                      #include <ucontext.h>
128
129                      int main() {
130                          ucontext_t  uc;
131
132                          if (getcontext(&uc) == 0) {
133                              makecontext(&uc, NULL, 0);
134                              setcontext(&uc);
135                          }
136
137                          return 0;
138                      }"
139    . auto/feature
140fi
141
142
143# FreeBSD dlopen() is in libc.
144# MacOSX libdl.dylib is a symlink to libSystem.dylib.
145# GCC5 AddressSanitizer intercepts dlopen() and dlclose() but not dlsym()
146# so all dynamic linker functions should be tested.
147
148NXT_LIBDL=
149
150nxt_feature="dlopen()"
151nxt_feature_name=NXT_HAVE_DLOPEN
152nxt_feature_run=
153nxt_feature_incs=
154nxt_feature_libs=
155nxt_feature_test="#include <stdlib.h>
156                  #include <dlfcn.h>
157
158                  int main() {
159                      void *h = dlopen(NULL, RTLD_NOW | RTLD_GLOBAL);
160                      dlsym(h, \"\");
161                      dlclose(h);
162                      return 0;
163                  }"
164. auto/feature
165
166if [ $nxt_found = no ]; then
167
168    # Linux and Solaris prior to 10 require libdl.
169    # Solaris 10 libdl.so.1 is a filter to /usr/lib/ld.so.1.
170
171    nxt_feature="dlopen() in libdl"
172    nxt_feature_libs="-ldl"
173    . auto/feature
174
175    if [ $nxt_found = yes ]; then
176        NXT_LIBDL="-ldl"
177    fi
178fi
179
180
181# NetBSD 1.0, OpenBSD 1.0, FreeBSD 2.2 setproctitle().
182
183nxt_feature="setproctitle()"
184nxt_feature_name=NXT_HAVE_SETPROCTITLE
185nxt_feature_run=
186nxt_feature_incs=
187nxt_feature_libs=
188nxt_feature_test="#include <stdlib.h>
189                  #include <unistd.h>
190
191                  int main() {
192                      setproctitle(\"%s\", \"title\");
193                      return 0;
194                  }"
195. auto/feature
196
197
198# Linux, FreeBSD, Solaris getgrouplist()
199nxt_feature="getgrouplist()"
200nxt_feature_name=NXT_HAVE_GETGROUPLIST
201nxt_feature_run=
202nxt_feature_incs=
203nxt_feature_libs=
204nxt_feature_test="#include <unistd.h>
205                  #include <grp.h>
206
207                  int main() {
208                      getgrouplist(\"root\", 0, NULL, NULL);
209                      return 0;
210                  }"
211. auto/feature
212