|
|
1 | dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t, |
|
|
2 | dnl but that header isn't very portable... |
|
|
3 | AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h]) |
|
|
4 | |
1 | AC_SEARCH_LIBS( |
5 | AC_SEARCH_LIBS( |
2 | pthread_create, |
6 | pthread_create, |
3 | [pthread pthreads pthreadVC2], |
7 | [pthread pthreads pthreadVC2], |
4 | , |
8 | , |
5 | [AC_MSG_ERROR(pthread functions not found)] |
9 | [AC_MSG_ERROR(pthread functions not found)] |
6 | ) |
10 | ) |
|
|
11 | |
|
|
12 | AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([[ |
|
|
13 | #include <sys/types.h> |
|
|
14 | #include <sys/time.h> |
|
|
15 | #include <utime.h> |
|
|
16 | struct timeval tv[2]; |
|
|
17 | int res; |
|
|
18 | int main (void) |
|
|
19 | { |
|
|
20 | res = utimes ("/", tv); |
|
|
21 | return 0; |
|
|
22 | } |
|
|
23 | ]],ac_cv_utimes=yes,ac_cv_utimes=no)]) |
|
|
24 | test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) |
7 | |
25 | |
8 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
26 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
9 | #include <sys/types.h> |
27 | #include <sys/types.h> |
10 | #include <sys/time.h> |
28 | #include <sys/time.h> |
11 | #include <utime.h> |
29 | #include <utime.h> |
12 | struct timeval tv[2]; |
30 | struct timeval tv[2]; |
13 | int res; |
31 | int res; |
14 | int fd; |
32 | int fd; |
15 | int main(void) |
33 | int main (void) |
16 | { |
34 | { |
17 | res = futimes (fd, tv); |
35 | res = futimes (fd, tv); |
18 | return 0; |
36 | return 0; |
19 | } |
37 | } |
20 | ]],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
38 | ]],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
21 | test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) |
39 | test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) |
22 | |
40 | |
23 | AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ |
41 | AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ |
24 | #include <fcntl.h> |
42 | #include <fcntl.h> |
25 | int main(void) |
43 | int main (void) |
26 | { |
44 | { |
27 | int fd = 0; |
45 | int fd = 0; |
28 | off64_t offset = 1; |
|
|
29 | size_t count = 2; |
46 | size_t count = 2; |
30 | ssize_t res; |
47 | ssize_t res; |
31 | res = readahead (fd, offset, count); |
48 | res = readahead (fd, 0, count); |
32 | return 0; |
49 | return 0; |
33 | } |
50 | } |
34 | ],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
51 | ],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
35 | test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) |
52 | test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) |
36 | |
53 | |
37 | AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
54 | AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
38 | #include <unistd.h> |
55 | #include <unistd.h> |
39 | int main(void) |
56 | int main (void) |
40 | { |
57 | { |
41 | int fd = 0; |
58 | int fd = 0; |
42 | fdatasync (fd); |
59 | fdatasync (fd); |
43 | return 0; |
60 | return 0; |
44 | } |
61 | } |
45 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
62 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
46 | test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
63 | test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
47 | |
64 | |
48 | AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
65 | AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
49 | #include <unistd.h> |
66 | #include <unistd.h> |
50 | int main(void) |
67 | int main (void) |
51 | { |
68 | { |
52 | int fd = 0; |
69 | int fd = 0; |
53 | size_t count = 1; |
70 | size_t count = 1; |
54 | char buf; |
71 | char buf; |
55 | off_t offset = 1; |
72 | off_t offset = 1; |
… | |
… | |
58 | res = pwrite (fd, &buf, count, offset); |
75 | res = pwrite (fd, &buf, count, offset); |
59 | return 0; |
76 | return 0; |
60 | } |
77 | } |
61 | ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
78 | ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
62 | test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
79 | test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
63 | |
|
|
64 | AC_CACHE_CHECK(for readdir_r, ac_cv_readdir_r, [AC_LINK_IFELSE([ |
|
|
65 | #include <dirent.h> |
|
|
66 | int main(void) |
|
|
67 | { |
|
|
68 | DIR *dir = 0; |
|
|
69 | struct dirent ent, *eres; |
|
|
70 | int res = readdir_r (dir, &ent, &eres); |
|
|
71 | return 0; |
|
|
72 | } |
|
|
73 | ],ac_cv_readdir_r=yes,ac_cv_readdir_r=no)]) |
|
|
74 | test $ac_cv_readdir_r = yes && AC_DEFINE(HAVE_READDIR_R, 1, readdir_r is available) |
|
|
75 | |
80 | |
76 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
81 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
77 | # include <sys/types.h> |
82 | # include <sys/types.h> |
78 | #if __linux |
83 | #if __linux |
79 | # include <sys/sendfile.h> |
84 | # include <sys/sendfile.h> |
80 | #elif __freebsd |
85 | #elif __FreeBSD__ || defined __APPLE__ |
81 | # include <sys/socket.h> |
86 | # include <sys/socket.h> |
82 | # include <sys/uio.h> |
87 | # include <sys/uio.h> |
83 | #elif __hpux |
88 | #elif __hpux |
84 | # include <sys/socket.h> |
89 | # include <sys/socket.h> |
85 | #else |
90 | #else |
86 | # error unsupported architecture |
91 | # error unsupported architecture |
87 | #endif |
92 | #endif |
88 | int main(void) |
93 | int main (void) |
89 | { |
94 | { |
90 | int fd = 0; |
95 | int fd = 0; |
91 | off_t offset = 1; |
96 | off_t offset = 1; |
92 | size_t count = 2; |
97 | size_t count = 2; |
93 | ssize_t res; |
98 | ssize_t res; |
94 | #if __linux |
99 | #if __linux |
95 | res = sendfile (fd, fd, offset, count); |
100 | res = sendfile (fd, fd, offset, count); |
96 | #elif __freebsd |
101 | #elif __FreeBSD__ |
97 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
102 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
98 | #elif __hpux |
103 | #elif __hpux |
99 | res = sendfile (fd, fd, offset, count, 0, 0); |
104 | res = sendfile (fd, fd, offset, count, 0, 0); |
100 | #endif |
105 | #endif |
101 | return 0; |
106 | return 0; |
102 | } |
107 | } |
103 | ],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
108 | ],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
104 | test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
109 | test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
105 | |
110 | |
|
|
111 | AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([ |
|
|
112 | #include <fcntl.h> |
|
|
113 | int main (void) |
|
|
114 | { |
|
|
115 | int fd = 0; |
|
|
116 | off64_t offset = 1; |
|
|
117 | off64_t nbytes = 1; |
|
|
118 | unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; |
|
|
119 | ssize_t res; |
|
|
120 | res = sync_file_range (fd, offset, nbytes, flags); |
|
|
121 | return 0; |
|
|
122 | } |
|
|
123 | ],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
|
|
124 | test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
|
|
125 | |
|
|
126 | AC_CACHE_CHECK(for fallocate, ac_cv_flinux_allocate, [AC_LINK_IFELSE([ |
|
|
127 | #include <fcntl.h> |
|
|
128 | int main (void) |
|
|
129 | { |
|
|
130 | int fd = 0; |
|
|
131 | int mode = 0; |
|
|
132 | off_t offset = 1; |
|
|
133 | off_t len = 1; |
|
|
134 | int res; |
|
|
135 | res = fallocate (fd, mode, offset, len); |
|
|
136 | return 0; |
|
|
137 | } |
|
|
138 | ],ac_cv_linux_fallocate=yes,ac_cv_linux_fallocate=no)]) |
|
|
139 | test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_FALLOCATE, 1, fallocate(2) is available) |
|
|
140 | |
|
|
141 | AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([ |
|
|
142 | #include <unistd.h> |
|
|
143 | #include <sys/syscall.h> |
|
|
144 | int main (void) |
|
|
145 | { |
|
|
146 | int res = syscall (__NR_syncfs, (int)0); |
|
|
147 | } |
|
|
148 | ],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)]) |
|
|
149 | test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available) |
|
|
150 | |
|
|
151 | AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([ |
|
|
152 | #include <sys/prctl.h> |
|
|
153 | int main (void) |
|
|
154 | { |
|
|
155 | char name[] = "test123"; |
|
|
156 | int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); |
|
|
157 | } |
|
|
158 | ],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) |
|
|
159 | test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) |
|
|
160 | |
|
|
161 | dnl ############################################################################# |
|
|
162 | dnl # these checks exist for the benefit of IO::AIO |
|
|
163 | |
|
|
164 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
|
|
165 | dnl functionality actually being present. ugh. |
|
|
166 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ |
|
|
167 | #include <sys/mman.h> |
|
|
168 | int main (void) |
|
|
169 | { |
|
|
170 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
|
|
171 | int a = POSIX_MADV_SEQUENTIAL; |
|
|
172 | int b = POSIX_MADV_RANDOM; |
|
|
173 | int c = POSIX_MADV_WILLNEED; |
|
|
174 | int d = POSIX_MADV_DONTNEED; |
|
|
175 | return 0; |
|
|
176 | } |
|
|
177 | ],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
|
|
178 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
|
|
179 | |
|
|
180 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ |
|
|
181 | #define _XOPEN_SOURCE 600 |
|
|
182 | #include <fcntl.h> |
|
|
183 | int main (void) |
|
|
184 | { |
|
|
185 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
|
|
186 | int a = POSIX_FADV_SEQUENTIAL; |
|
|
187 | int b = POSIX_FADV_NOREUSE; |
|
|
188 | int c = POSIX_FADV_RANDOM; |
|
|
189 | int d = POSIX_FADV_WILLNEED; |
|
|
190 | int e = POSIX_FADV_DONTNEED; |
|
|
191 | return 0; |
|
|
192 | } |
|
|
193 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
|
|
194 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
|
|
195 | |
|
|
196 | dnl lots of linux specifics |
|
|
197 | AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h]) |
|
|
198 | |
|
|
199 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([ |
|
|
200 | #include <fcntl.h> |
|
|
201 | int main (void) |
|
|
202 | { |
|
|
203 | ssize_t res; |
|
|
204 | res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE); |
|
|
205 | res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); |
|
|
206 | res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); |
|
|
207 | return 0; |
|
|
208 | } |
|
|
209 | ],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
|
|
210 | test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
|
|
211 | |