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Comparing libeio/libeio.m4 (file contents):
Revision 1.20 by root, Sat Jun 2 20:13:26 2012 UTC vs.
Revision 1.31 by root, Tue Feb 20 05:23:47 2018 UTC

… …
7 [pthread pthreads pthreadVC2], 7 [pthread pthreads pthreadVC2],
8 , 8 ,
9 [AC_MSG_ERROR(pthread functions not found)] 9 [AC_MSG_ERROR(pthread functions not found)]
10) 10)
11 11
12AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([[ 12AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
13#include <sys/types.h> 13#include <sys/types.h>
14#include <sys/time.h> 14#include <sys/time.h>
15#include <utime.h> 15#include <utime.h>
16struct timeval tv[2]; 16struct timeval tv[2];
17int res; 17int res;
18int main (void) 18int main (void)
19{ 19{
20 res = utimes ("/", tv); 20 res = utimes ("/", tv);
21 return 0; 21 return 0;
22} 22}
23]],ac_cv_utimes=yes,ac_cv_utimes=no)]) 23]])],ac_cv_utimes=yes,ac_cv_utimes=no)])
24test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) 24test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available)
25 25
26AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ 26AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
27#include <sys/types.h> 27#include <sys/types.h>
28#include <sys/time.h> 28#include <sys/time.h>
29#include <utime.h> 29#include <utime.h>
30struct timeval tv[2]; 30struct timeval tv[2];
31int res; 31int res;
… …
33int main (void) 33int main (void)
34{ 34{
35 res = futimes (fd, tv); 35 res = futimes (fd, tv);
36 return 0; 36 return 0;
37} 37}
38]],ac_cv_futimes=yes,ac_cv_futimes=no)]) 38]])],ac_cv_futimes=yes,ac_cv_futimes=no)])
39test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) 39test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available)
40 40
41AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ 41AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([AC_LANG_SOURCE([
42#include <fcntl.h> 42#include <fcntl.h>
43int main (void) 43int main (void)
44{ 44{
45 int fd = 0; 45 int fd = 0;
46 size_t count = 2; 46 size_t count = 2;
47 ssize_t res; 47 ssize_t res;
48 res = readahead (fd, 0, count); 48 res = readahead (fd, 0, count);
49 return 0; 49 return 0;
50} 50}
51],ac_cv_readahead=yes,ac_cv_readahead=no)]) 51])],ac_cv_readahead=yes,ac_cv_readahead=no)])
52test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) 52test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux))
53 53
54AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ 54AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([AC_LANG_SOURCE([
55#include <unistd.h> 55#include <unistd.h>
56int main (void) 56int main (void)
57{ 57{
58 int fd = 0; 58 int fd = 0;
59 fdatasync (fd); 59 fdatasync (fd);
60 return 0; 60 return 0;
61} 61}
62],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) 62])],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)])
63test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) 63test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available)
64 64
65AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ 65AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([AC_LANG_SOURCE([
66# include <sys/types.h> 66# include <sys/types.h>
67#if __linux 67#if __linux
68# include <sys/sendfile.h> 68# include <sys/sendfile.h>
69#elif __FreeBSD__ || defined __APPLE__ 69#elif __FreeBSD__ || defined __APPLE__
70# include <sys/socket.h> 70# include <sys/socket.h>
… …
79 int fd = 0; 79 int fd = 0;
80 off_t offset = 1; 80 off_t offset = 1;
81 size_t count = 2; 81 size_t count = 2;
82 ssize_t res; 82 ssize_t res;
83#if __linux 83#if __linux
84 res = sendfile (fd, fd, offset, count); 84 res = sendfile (fd, fd, &offset, count);
85#elif __FreeBSD__ 85#elif __FreeBSD__
86 res = sendfile (fd, fd, offset, count, 0, &offset, 0); 86 res = sendfile (fd, fd, offset, count, 0, &offset, 0);
87#elif __hpux 87#elif __hpux
88 res = sendfile (fd, fd, offset, count, 0, 0); 88 res = sendfile (fd, fd, offset, count, 0, 0);
89#endif 89#endif
90 return 0; 90 return 0;
91} 91}
92],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) 92])],ac_cv_sendfile=yes,ac_cv_sendfile=no)])
93test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) 93test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported)
94 94
95AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([ 95AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([
96#include <fcntl.h> 96#include <fcntl.h>
97int main (void) 97int main (void)
98{ 98{
99 int fd = 0; 99 int fd = 0;
100 off64_t offset = 1; 100 off64_t offset = 1;
… …
102 unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; 102 unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER;
103 ssize_t res; 103 ssize_t res;
104 res = sync_file_range (fd, offset, nbytes, flags); 104 res = sync_file_range (fd, offset, nbytes, flags);
105 return 0; 105 return 0;
106} 106}
107],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) 107])],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)])
108test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) 108test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available)
109 109
110AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([ 110AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([AC_LANG_SOURCE([
111#include <fcntl.h> 111#include <fcntl.h>
112int main (void) 112int main (void)
113{ 113{
114 int fd = 0; 114 int fd = 0;
115 int mode = 0; 115 int mode = 0;
… …
117 off_t len = 1; 117 off_t len = 1;
118 int res; 118 int res;
119 res = fallocate (fd, mode, offset, len); 119 res = fallocate (fd, mode, offset, len);
120 return 0; 120 return 0;
121} 121}
122],ac_cv_linux_fallocate=yes,ac_cv_linux_fallocate=no)]) 122])],ac_cv_linux_fallocate=yes,ac_cv_linux_fallocate=no)])
123test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_FALLOCATE, 1, fallocate(2) is available) 123test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_FALLOCATE, 1, fallocate(2) is available)
124 124
125AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([ 125AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([AC_LANG_SOURCE([
126#include <unistd.h> 126#include <unistd.h>
127#include <sys/syscall.h> 127#include <sys/syscall.h>
128int main (void) 128int main (void)
129{ 129{
130 int res = syscall (__NR_syncfs, (int)0); 130 int res = syscall (__NR_syncfs, (int)0);
131} 131}
132],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)]) 132])],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)])
133test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available) 133test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available)
134 134
135AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([ 135AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([
136#include <sys/prctl.h> 136#include <sys/prctl.h>
137int main (void) 137int main (void)
138{ 138{
139 char name[] = "test123"; 139 char *name = "test123";
140 int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); 140 int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0);
141} 141}
142],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) 142])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)])
143test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) 143test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available)
144 144
145dnl ############################################################################# 145dnl #############################################################################
146dnl # these checks exist for the benefit of IO::AIO 146dnl # these checks exist for the benefit of IO::AIO
147 147
148AC_CACHE_CHECK(for set/getrlimit, ac_cv_rlimits, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
149#include <sys/time.h>
150#include <sys/resource.h>
151int res;
152int main (void)
153{
154 struct rlimit srl;
155 srl.rlim_cur = srl.rlim_max = RLIM_INFINITY;
156 res = getrlimit (RLIMIT_NOFILE, &srl);
157 res = setrlimit (RLIMIT_NOFILE, &srl);
158 return 0;
159}
160]])],ac_cv_rlimits=yes,ac_cv_rlimits=no)])
161test $ac_cv_rlimits = yes && AC_DEFINE(HAVE_RLIMITS, 1, setrlimit/getrlimit is available)
162
148dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required 163dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required
149dnl functionality actually being present. ugh. 164dnl functionality actually being present. ugh.
150AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ 165AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([
151#include <sys/mman.h> 166#include <sys/mman.h>
152int main (void) 167int main (void)
153{ 168{
154 int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); 169 int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL);
155 int a = POSIX_MADV_SEQUENTIAL; 170 int a = POSIX_MADV_SEQUENTIAL;
156 int b = POSIX_MADV_RANDOM; 171 int b = POSIX_MADV_RANDOM;
157 int c = POSIX_MADV_WILLNEED; 172 int c = POSIX_MADV_WILLNEED;
158 int d = POSIX_MADV_DONTNEED; 173 int d = POSIX_MADV_DONTNEED;
159 return 0; 174 return 0;
160} 175}
161],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) 176])],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)])
162test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) 177test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available)
163 178
164AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ 179AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([
165#define _XOPEN_SOURCE 600 180#define _XOPEN_SOURCE 600
166#include <fcntl.h> 181#include <fcntl.h>
167int main (void) 182int main (void)
168{ 183{
169 int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); 184 int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL);
… …
172 int c = POSIX_FADV_RANDOM; 187 int c = POSIX_FADV_RANDOM;
173 int d = POSIX_FADV_WILLNEED; 188 int d = POSIX_FADV_WILLNEED;
174 int e = POSIX_FADV_DONTNEED; 189 int e = POSIX_FADV_DONTNEED;
175 return 0; 190 return 0;
176} 191}
177],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) 192])],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)])
178test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) 193test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available)
179 194
180dnl lots of linux specifics 195dnl lots of linux specifics
181AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h]) 196AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h])
182 197
183AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([ 198AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([
184#include <fcntl.h> 199#include <fcntl.h>
185int main (void) 200int main (void)
186{ 201{
187 ssize_t res; 202 ssize_t res;
188 res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE); 203 res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE);
189 res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); 204 res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK);
190 res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); 205 res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT);
191 return 0; 206 return 0;
192} 207}
193],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) 208])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)])
194test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) 209test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available)
195 210
211AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
212#include <fcntl.h>
213#include <unistd.h>
214int res;
215int main (void)
216{
217 res = pipe2 (0, 0);
218 return 0;
219}
220]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)])
221test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available)
222
223AC_CACHE_CHECK(for eventfd, ac_cv_eventfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
224#include <sys/eventfd.h>
225int res;
226int main (void)
227{
228 res = eventfd (1, EFD_CLOEXEC | EFD_NONBLOCK);
229 return 0;
230}
231]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)])
232test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available)
233
234AC_CACHE_CHECK(for timerfd, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
235#include <sys/timerfd.h>
236int res;
237int main (void)
238{
239 struct itimerspec its;
240 res = timerfd_create (CLOCK_REALTIME, TFD_CLOEXEC | TFD_NONBLOCK);
241 res = timerfd_settime (res, TFD_TIMER_ABSTIME /*| TFD_TIMER_CANCEL_ON_SET*/, &its, 0);
242 res = timerfd_gettime (res, &its);
243 return 0;
244}
245]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)])
246test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available)
247
248AC_CACHE_CHECK(for renameat2, ac_cv_renameat2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
249#include <unistd.h>
250#include <sys/syscall.h>
251#include <linux/fs.h>
252int res;
253int main (void)
254{
255 res = syscall (SYS_renameat2, 0, 0, 0, 0, RENAME_EXCHANGE | RENAME_NOREPLACE);
256 return 0;
257}
258]])],ac_cv_renameat2=yes,ac_cv_renameat2=no)])
259test $ac_cv_renameat2 = yes && AC_DEFINE(HAVE_RENAMEAT2, 1, renameat2(2) is available)
260
261AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
262#include <unistd.h>
263#include <sys/syscall.h>
264/*#include <linux/copy.h>*/
265int res;
266int main (void)
267{
268 /*res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK | COPY_FR_DEDUP | COPY_FR_COPY);*/
269 res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0);
270 return 0;
271}
272]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)])
273test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available)
274
275AC_CACHE_CHECK(for posix_close, ac_cv_posix_close, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
276#include <unistd.h>
277int res;
278int main (void)
279{
280 res = posix_close (0, 0); /* we do not need any flags */
281 return 0;
282}
283]])],ac_cv_posix_close=yes,ac_cv_posix_close=no)])
284test $ac_cv_posix_close = yes && AC_DEFINE(HAVE_POSIX_CLOSE, 1, posix_close(2) is available)
285

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