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Comparing libeio/libeio.m4 (file contents):
Revision 1.11 by root, Wed Dec 1 07:30:39 2010 UTC vs.
Revision 1.34 by root, Thu Feb 29 18:02:43 2024 UTC

1dnl openbsd in its neverending brokenness requires stdint.h for intptr_t,
2dnl but that header isn't very portable...
3AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h])
4
1AC_SEARCH_LIBS( 5AC_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)
7 11
8AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([[ 12AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
9#include <sys/types.h> 13#include <sys/types.h>
10#include <sys/time.h> 14#include <sys/time.h>
11#include <utime.h> 15#include <utime.h>
12struct timeval tv[2]; 16struct timeval tv[2];
13int res; 17int res;
14int main (void) 18int main (void)
15{ 19{
16 res = utimes ("/", tv); 20 res = utimes ("/", tv);
17 return 0; 21 return 0;
18} 22}
19]],ac_cv_utimes=yes,ac_cv_utimes=no)]) 23]])],ac_cv_utimes=yes,ac_cv_utimes=no)])
20test $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)
21 25
22AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ 26AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
23#include <sys/types.h> 27#include <sys/types.h>
24#include <sys/time.h> 28#include <sys/time.h>
25#include <utime.h> 29#include <utime.h>
26struct timeval tv[2]; 30struct timeval tv[2];
27int res; 31int res;
… …
29int main (void) 33int main (void)
30{ 34{
31 res = futimes (fd, tv); 35 res = futimes (fd, tv);
32 return 0; 36 return 0;
33} 37}
34]],ac_cv_futimes=yes,ac_cv_futimes=no)]) 38]])],ac_cv_futimes=yes,ac_cv_futimes=no)])
35test $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)
36 40
37AC_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 <sys/types.h>
38#include <fcntl.h> 43#include <fcntl.h>
39int main (void) 44int main (void)
40{ 45{
41 int fd = 0; 46 int fd = 0;
42 size_t count = 2; 47 size_t count = 2;
43 ssize_t res; 48 ssize_t res;
44 res = readahead (fd, 0, count); 49 res = readahead (fd, 0, count);
45 return 0; 50 return 0;
46} 51}
47],ac_cv_readahead=yes,ac_cv_readahead=no)]) 52])],ac_cv_readahead=yes,ac_cv_readahead=no)])
48test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) 53test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux))
49 54
50AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ 55AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([AC_LANG_SOURCE([
51#include <unistd.h> 56#include <unistd.h>
52int main (void) 57int main (void)
53{ 58{
54 int fd = 0; 59 int fd = 0;
55 fdatasync (fd); 60 fdatasync (fd);
56 return 0; 61 return 0;
57} 62}
58],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) 63])],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)])
59test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) 64test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available)
60 65
61AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([
62#include <unistd.h>
63int main (void)
64{
65 int fd = 0;
66 size_t count = 1;
67 char buf;
68 off_t offset = 1;
69 ssize_t res;
70 res = pread (fd, &buf, count, offset);
71 res = pwrite (fd, &buf, count, offset);
72 return 0;
73}
74],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)])
75test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available)
76
77AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ 66AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([AC_LANG_SOURCE([
78# include <sys/types.h> 67# include <sys/types.h>
79#if __linux 68#if __linux
80# include <sys/sendfile.h> 69# include <sys/sendfile.h>
81#elif __FreeBSD__ || defined __APPLE__ 70#elif __FreeBSD__ || defined __APPLE__
82# include <sys/socket.h> 71# include <sys/socket.h>
… …
91 int fd = 0; 80 int fd = 0;
92 off_t offset = 1; 81 off_t offset = 1;
93 size_t count = 2; 82 size_t count = 2;
94 ssize_t res; 83 ssize_t res;
95#if __linux 84#if __linux
96 res = sendfile (fd, fd, offset, count); 85 res = sendfile (fd, fd, &offset, count);
97#elif __FreeBSD__ 86#elif __FreeBSD__
98 res = sendfile (fd, fd, offset, count, 0, &offset, 0); 87 res = sendfile (fd, fd, offset, count, 0, &offset, 0);
99#elif __hpux 88#elif __hpux
100 res = sendfile (fd, fd, offset, count, 0, 0); 89 res = sendfile (fd, fd, offset, count, 0, 0);
101#endif 90#endif
102 return 0; 91 return 0;
103} 92}
104],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) 93])],ac_cv_sendfile=yes,ac_cv_sendfile=no)])
105test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) 94test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported)
106 95
107AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([ 96AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([
97#include <sys/types.h>
108#include <fcntl.h> 98#include <fcntl.h>
109int main (void) 99int main (void)
110{ 100{
111 int fd = 0; 101 int fd = 0;
112 off64_t offset = 1; 102 off64_t offset = 1;
… …
114 unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; 104 unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER;
115 ssize_t res; 105 ssize_t res;
116 res = sync_file_range (fd, offset, nbytes, flags); 106 res = sync_file_range (fd, offset, nbytes, flags);
117 return 0; 107 return 0;
118} 108}
119],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) 109])],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)])
120test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) 110test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available)
121 111
112AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
113#include <unistd.h>
114int main (void)
115{
116 off64_t o1, o2;
117 int res = copy_file_range (0, &o1, 1, &o2, 99, 0);
118 return 0;
119}
120]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)])
121test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available)
122
123AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([AC_LANG_SOURCE([
124#include <fcntl.h>
125int main (void)
126{
127 int fd = 0;
128 int mode = 0;
129 off_t offset = 1;
130 off_t len = 1;
131 int res;
132 res = fallocate (fd, mode, offset, len);
133 return 0;
134}
135])],ac_cv_linux_fallocate=yes,ac_cv_linux_fallocate=no)])
136test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_FALLOCATE, 1, fallocate(2) is available)
137
138AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([AC_LANG_SOURCE([
139#include <unistd.h>
140#include <sys/syscall.h>
141int main (void)
142{
143 int res = syscall (__NR_syncfs, (int)0);
144}
145])],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)])
146test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available)
147
148AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([
149#include <sys/prctl.h>
150int main (void)
151{
152 char *name = "test123";
153 int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0);
154}
155])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)])
156test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available)
157
158AC_CACHE_CHECK(for posix_close, ac_cv_posix_close, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
159#include <unistd.h>
160int res;
161int main (void)
162{
163 res = posix_close (0, 0); /* we do not need any flags */
164 return 0;
165}
166]])],ac_cv_posix_close=yes,ac_cv_posix_close=no)])
167test $ac_cv_posix_close = yes && AC_DEFINE(HAVE_POSIX_CLOSE, 1, posix_close(2) is available)
168
169AC_CACHE_CHECK(for renameat2, ac_cv_renameat2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
170#include <unistd.h>
171#include <sys/syscall.h>
172#include <linux/fs.h>
173int res;
174int main (void)
175{
176 res = syscall (SYS_renameat2, 0, 0, 0, 0, RENAME_EXCHANGE | RENAME_NOREPLACE);
177 return 0;
178}
179]])],ac_cv_renameat2=yes,ac_cv_renameat2=no)])
180test $ac_cv_renameat2 = yes && AC_DEFINE(HAVE_RENAMEAT2, 1, renameat2(2) is available)
181

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