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Comparing libeio/libeio.m4 (file contents):
Revision 1.3 by root, Sun May 11 01:03:33 2008 UTC vs.
Revision 1.12 by root, Thu Dec 2 10:04:48 2010 UTC

… …
2 pthread_create, 2 pthread_create,
3 [pthread pthreads pthreadVC2], 3 [pthread pthreads pthreadVC2],
4 , 4 ,
5 [AC_MSG_ERROR(pthread functions not found)] 5 [AC_MSG_ERROR(pthread functions not found)]
6) 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)
7 21
8AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ 22AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[
9#include <sys/types.h> 23#include <sys/types.h>
10#include <sys/time.h> 24#include <sys/time.h>
11#include <utime.h> 25#include <utime.h>
12struct timeval tv[2]; 26struct timeval tv[2];
13int res; 27int res;
14int fd; 28int fd;
15int main(void) 29int main (void)
16{ 30{
17 res = futimes (fd, tv); 31 res = futimes (fd, tv);
18 return 0; 32 return 0;
19} 33}
20]],ac_cv_futimes=yes,ac_cv_futimes=no)]) 34]],ac_cv_futimes=yes,ac_cv_futimes=no)])
21test $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)
22 36
23AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ 37AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([
24#include <fcntl.h> 38#include <fcntl.h>
25int main(void) 39int main (void)
26{ 40{
27 int fd = 0; 41 int fd = 0;
28 off64_t offset = 1;
29 size_t count = 2; 42 size_t count = 2;
30 ssize_t res; 43 ssize_t res;
31 res = readahead (fd, offset, count); 44 res = readahead (fd, 0, count);
32 return 0; 45 return 0;
33} 46}
34],ac_cv_readahead=yes,ac_cv_readahead=no)]) 47],ac_cv_readahead=yes,ac_cv_readahead=no)])
35test $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))
36test $ac_cv_readahead = yes && AC_DEFINE(_GNU_SOURCE, 1, _GNU_SOURCE required for readahead (linux))
37 49
38AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ 50AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([
39#include <unistd.h> 51#include <unistd.h>
40int main(void) 52int main (void)
41{ 53{
42 int fd = 0; 54 int fd = 0;
43 fdatasync (fd); 55 fdatasync (fd);
44 return 0; 56 return 0;
45} 57}
46],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) 58],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)])
47test $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)
48 60
49AC_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([
50#include <unistd.h> 62#include <unistd.h>
51int main(void) 63int main (void)
52{ 64{
53 int fd = 0; 65 int fd = 0;
54 size_t count = 1; 66 size_t count = 1;
55 char buf; 67 char buf;
56 off_t offset = 1; 68 off_t offset = 1;
… …
60 return 0; 72 return 0;
61} 73}
62],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) 74],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)])
63test $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)
64 76
65AC_CACHE_CHECK(for readdir_r, ac_cv_readdir_r, [AC_LINK_IFELSE([
66#include <dirent.h>
67int main(void)
68{
69 DIR *dir = 0;
70 struct dirent ent, *eres;
71 int res = readdir_r (dir, &ent, &eres);
72 return 0;
73}
74],ac_cv_readdir_r=yes,ac_cv_readdir_r=no)])
75test $ac_cv_readdir_r = yes && AC_DEFINE(HAVE_READDIR_R, 1, readdir_r is available)
76
77AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ 77AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([
78# include <sys/types.h> 78# include <sys/types.h>
79#if __linux 79#if __linux
80# include <sys/sendfile.h> 80# include <sys/sendfile.h>
81#elif __freebsd 81#elif __FreeBSD__ || defined __APPLE__
82# include <sys/socket.h> 82# include <sys/socket.h>
83# include <sys/uio.h> 83# include <sys/uio.h>
84#elif __hpux 84#elif __hpux
85# include <sys/socket.h> 85# include <sys/socket.h>
86#else 86#else
87# error unsupported architecture 87# error unsupported architecture
88#endif 88#endif
89int main(void) 89int main (void)
90{ 90{
91 int fd = 0; 91 int fd = 0;
92 off_t offset = 1; 92 off_t offset = 1;
93 size_t count = 2; 93 size_t count = 2;
94 ssize_t res; 94 ssize_t res;
95#if __linux 95#if __linux
96 res = sendfile (fd, fd, offset, count); 96 res = sendfile (fd, fd, offset, count);
97#elif __freebsd 97#elif __FreeBSD__
98 res = sendfile (fd, fd, offset, count, 0, &offset, 0); 98 res = sendfile (fd, fd, offset, count, 0, &offset, 0);
99#elif __hpux 99#elif __hpux
100 res = sendfile (fd, fd, offset, count, 0, 0); 100 res = sendfile (fd, fd, offset, count, 0, 0);
101#endif 101#endif
102 return 0; 102 return 0;
103} 103}
104],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) 104],ac_cv_sendfile=yes,ac_cv_sendfile=no)])
105test $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)
106 106
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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