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Comparing libeio/libeio.m4 (file contents):
Revision 1.1 by root, Sun May 11 00:06:25 2008 UTC vs.
Revision 1.12 by root, Thu Dec 2 10:04:48 2010 UTC

1AC_SEARCH_LIBS(
2 pthread_create,
3 [pthread pthreads pthreadVC2],
4 ,
5 [AC_MSG_ERROR(pthread functions not found)]
6)
7
8AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([[
9#include <sys/types.h>
10#include <sys/time.h>
11#include <utime.h>
12struct timeval tv[2];
13int res;
14int main (void)
15{
16 res = utimes ("/", tv);
17 return 0;
18}
19]],ac_cv_utimes=yes,ac_cv_utimes=no)])
20test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available)
21
1AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ 22AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[
2#include <sys/types.h> 23#include <sys/types.h>
3#include <sys/time.h> 24#include <sys/time.h>
4#include <utime.h> 25#include <utime.h>
5struct timeval tv[2]; 26struct timeval tv[2];
6int res; 27int res;
7int fd; 28int fd;
8int main(void) 29int main (void)
9{ 30{
10 res = futimes (fd, tv); 31 res = futimes (fd, tv);
11 return 0; 32 return 0;
12} 33}
13]],ac_cv_futimes=yes,ac_cv_futimes=no)]) 34]],ac_cv_futimes=yes,ac_cv_futimes=no)])
14test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) 35test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available)
15 36
16AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ 37AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([
17#include <fcntl.h> 38#include <fcntl.h>
18int main(void) 39int main (void)
19{ 40{
20 int fd = 0; 41 int fd = 0;
21 off64_t offset = 1;
22 size_t count = 2; 42 size_t count = 2;
23 ssize_t res; 43 ssize_t res;
24 res = readahead (fd, offset, count); 44 res = readahead (fd, 0, count);
25 return 0; 45 return 0;
26} 46}
27],ac_cv_readahead=yes,ac_cv_readahead=no)]) 47],ac_cv_readahead=yes,ac_cv_readahead=no)])
28test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) 48test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux))
29 49
30AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ 50AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([
31#include <unistd.h> 51#include <unistd.h>
32int main(void) 52int main (void)
33{ 53{
34 int fd = 0; 54 int fd = 0;
35 fdatasync (fd); 55 fdatasync (fd);
36 return 0; 56 return 0;
37} 57}
38],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) 58],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)])
39test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) 59test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available)
40 60
41AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ 61AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([
42#include <unistd.h> 62#include <unistd.h>
43int main(void) 63int main (void)
44{ 64{
45 int fd = 0; 65 int fd = 0;
46 size_t count = 1; 66 size_t count = 1;
47 char buf; 67 char buf;
48 off_t offset = 1; 68 off_t offset = 1;
… …
52 return 0; 72 return 0;
53} 73}
54],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) 74],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)])
55test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) 75test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available)
56 76
57AC_CACHE_CHECK(for readdir_r, ac_cv_readdir_r, [AC_LINK_IFELSE([
58#include <dirent.h>
59int main(void)
60{
61 DIR *dir = 0;
62 struct dirent ent, *eres;
63 int res = readdir_r (dir, &ent, &eres);
64 return 0;
65}
66],ac_cv_readdir_r=yes,ac_cv_readdir_r=no)])
67test $ac_cv_readdir_r = yes && AC_DEFINE(HAVE_READDIR_R, 1, readdir_r is available)
68
69AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ 77AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([
70# include <sys/types.h> 78# include <sys/types.h>
71#if __linux 79#if __linux
72# include <sys/sendfile.h> 80# include <sys/sendfile.h>
73#elif __freebsd 81#elif __FreeBSD__ || defined __APPLE__
74# include <sys/socket.h> 82# include <sys/socket.h>
75# include <sys/uio.h> 83# include <sys/uio.h>
76#elif __hpux 84#elif __hpux
77# include <sys/socket.h> 85# include <sys/socket.h>
78#else 86#else
79# error unsupported architecture 87# error unsupported architecture
80#endif 88#endif
81int main(void) 89int main (void)
82{ 90{
83 int fd = 0; 91 int fd = 0;
84 off_t offset = 1; 92 off_t offset = 1;
85 size_t count = 2; 93 size_t count = 2;
86 ssize_t res; 94 ssize_t res;
87#if __linux 95#if __linux
88 res = sendfile (fd, fd, offset, count); 96 res = sendfile (fd, fd, offset, count);
89#elif __freebsd 97#elif __FreeBSD__
90 res = sendfile (fd, fd, offset, count, 0, &offset, 0); 98 res = sendfile (fd, fd, offset, count, 0, &offset, 0);
91#elif __hpux 99#elif __hpux
92 res = sendfile (fd, fd, offset, count, 0, 0); 100 res = sendfile (fd, fd, offset, count, 0, 0);
93#endif 101#endif
94 return 0; 102 return 0;
95} 103}
96],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) 104],ac_cv_sendfile=yes,ac_cv_sendfile=no)])
97test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) 105test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported)
98 106
107AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([
108#include <fcntl.h>
109int main (void)
110{
111 int fd = 0;
112 off64_t offset = 1;
113 off64_t nbytes = 1;
114 unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER;
115 ssize_t res;
116 res = sync_file_range (fd, offset, nbytes, flags);
117 return 0;
118}
119],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)
121
122dnl #############################################################################
123dnl # these checks exist for the benefit of IO::AIO
124
125dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required
126dnl functionality actually being present. ugh.
127AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([
128#include <sys/mman.h>
129int main (void)
130{
131 int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL);
132 int a = POSIX_MADV_SEQUENTIAL;
133 int b = POSIX_MADV_RANDOM;
134 int c = POSIX_MADV_WILLNEED;
135 int d = POSIX_MADV_DONTNEED;
136 return 0;
137}
138],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)])
139test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available)
140
141AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([
142#define _XOPEN_SOURCE 600
143#include <fcntl.h>
144int main (void)
145{
146 int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL);
147 int a = POSIX_FADV_SEQUENTIAL;
148 int b = POSIX_FADV_NOREUSE;
149 int c = POSIX_FADV_RANDOM;
150 int d = POSIX_FADV_WILLNEED;
151 int e = POSIX_FADV_DONTNEED;
152 return 0;
153}
154],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)])
155test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available)
156

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