ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libeio/libeio.m4
(Generate patch)

Comparing libeio/libeio.m4 (file contents):
Revision 1.1 by root, Sun May 11 00:06:25 2008 UTC vs.
Revision 1.15 by root, Thu Jul 7 22:37:11 2011 UTC

1dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t,
2dnl but that header isn't very portable...
3AC_CHECK_HEADERS([stdint.h])
4
5AC_SEARCH_LIBS(
6 pthread_create,
7 [pthread pthreads pthreadVC2],
8 ,
9 [AC_MSG_ERROR(pthread functions not found)]
10)
11
12AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([[
13#include <sys/types.h>
14#include <sys/time.h>
15#include <utime.h>
16struct timeval tv[2];
17int res;
18int main (void)
19{
20 res = utimes ("/", tv);
21 return 0;
22}
23]],ac_cv_utimes=yes,ac_cv_utimes=no)])
24test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available)
25
1AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ 26AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[
2#include <sys/types.h> 27#include <sys/types.h>
3#include <sys/time.h> 28#include <sys/time.h>
4#include <utime.h> 29#include <utime.h>
5struct timeval tv[2]; 30struct timeval tv[2];
6int res; 31int res;
7int fd; 32int fd;
8int main(void) 33int main (void)
9{ 34{
10 res = futimes (fd, tv); 35 res = futimes (fd, tv);
11 return 0; 36 return 0;
12} 37}
13]],ac_cv_futimes=yes,ac_cv_futimes=no)]) 38]],ac_cv_futimes=yes,ac_cv_futimes=no)])
14test $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)
15 40
16AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ 41AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([
17#include <fcntl.h> 42#include <fcntl.h>
18int main(void) 43int main (void)
19{ 44{
20 int fd = 0; 45 int fd = 0;
21 off64_t offset = 1;
22 size_t count = 2; 46 size_t count = 2;
23 ssize_t res; 47 ssize_t res;
24 res = readahead (fd, offset, count); 48 res = readahead (fd, 0, count);
25 return 0; 49 return 0;
26} 50}
27],ac_cv_readahead=yes,ac_cv_readahead=no)]) 51],ac_cv_readahead=yes,ac_cv_readahead=no)])
28test $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))
29 53
30AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ 54AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([
31#include <unistd.h> 55#include <unistd.h>
32int main(void) 56int main (void)
33{ 57{
34 int fd = 0; 58 int fd = 0;
35 fdatasync (fd); 59 fdatasync (fd);
36 return 0; 60 return 0;
37} 61}
38],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) 62],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)])
39test $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)
40 64
41AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ 65AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([
42#include <unistd.h> 66#include <unistd.h>
43int main(void) 67int main (void)
44{ 68{
45 int fd = 0; 69 int fd = 0;
46 size_t count = 1; 70 size_t count = 1;
47 char buf; 71 char buf;
48 off_t offset = 1; 72 off_t offset = 1;
… …
52 return 0; 76 return 0;
53} 77}
54],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) 78],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) 79test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available)
56 80
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([ 81AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([
70# include <sys/types.h> 82# include <sys/types.h>
71#if __linux 83#if __linux
72# include <sys/sendfile.h> 84# include <sys/sendfile.h>
73#elif __freebsd 85#elif __FreeBSD__ || defined __APPLE__
74# include <sys/socket.h> 86# include <sys/socket.h>
75# include <sys/uio.h> 87# include <sys/uio.h>
76#elif __hpux 88#elif __hpux
77# include <sys/socket.h> 89# include <sys/socket.h>
78#else 90#else
79# error unsupported architecture 91# error unsupported architecture
80#endif 92#endif
81int main(void) 93int main (void)
82{ 94{
83 int fd = 0; 95 int fd = 0;
84 off_t offset = 1; 96 off_t offset = 1;
85 size_t count = 2; 97 size_t count = 2;
86 ssize_t res; 98 ssize_t res;
87#if __linux 99#if __linux
88 res = sendfile (fd, fd, offset, count); 100 res = sendfile (fd, fd, offset, count);
89#elif __freebsd 101#elif __FreeBSD__
90 res = sendfile (fd, fd, offset, count, 0, &offset, 0); 102 res = sendfile (fd, fd, offset, count, 0, &offset, 0);
91#elif __hpux 103#elif __hpux
92 res = sendfile (fd, fd, offset, count, 0, 0); 104 res = sendfile (fd, fd, offset, count, 0, 0);
93#endif 105#endif
94 return 0; 106 return 0;
95} 107}
96],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) 108],ac_cv_sendfile=yes,ac_cv_sendfile=no)])
97test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) 109test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported)
98 110
111AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([
112#include <fcntl.h>
113int 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)])
124test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available)
125
126AC_CACHE_CHECK(for fallocate, ac_cv_fallocate, [AC_LINK_IFELSE([
127#include <fcntl.h>
128int 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_fallocate=yes,ac_cv_fallocate=no)])
139test $ac_cv_fallocate = yes && AC_DEFINE(HAVE_FALLOCATE, 1, fallocate(2) is available)
140
141dnl #############################################################################
142dnl # these checks exist for the benefit of IO::AIO
143
144dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required
145dnl functionality actually being present. ugh.
146AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([
147#include <sys/mman.h>
148int main (void)
149{
150 int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL);
151 int a = POSIX_MADV_SEQUENTIAL;
152 int b = POSIX_MADV_RANDOM;
153 int c = POSIX_MADV_WILLNEED;
154 int d = POSIX_MADV_DONTNEED;
155 return 0;
156}
157],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)])
158test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available)
159
160AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([
161#define _XOPEN_SOURCE 600
162#include <fcntl.h>
163int main (void)
164{
165 int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL);
166 int a = POSIX_FADV_SEQUENTIAL;
167 int b = POSIX_FADV_NOREUSE;
168 int c = POSIX_FADV_RANDOM;
169 int d = POSIX_FADV_WILLNEED;
170 int e = POSIX_FADV_DONTNEED;
171 return 0;
172}
173],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)])
174test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available)
175

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines