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/cvs/libeio/configure.ac
Revision: 1.1
Committed: Sat May 10 17:16:39 2008 UTC (16 years, 6 months ago) by root
Branch: MAIN
Log Message:
initial check-in

File Contents

# Content
1 AC_PREREQ(2.59)
2 AC_INIT
3 AC_CONFIG_HEADERS([config.h])
4
5 AC_PROG_CC
6
7 AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[
8 #include <sys/types.h>
9 #include <sys/time.h>
10 #include <utime.h>
11 struct timeval tv[2];
12 int res;
13 int fd;
14 int main(void)
15 {
16 res = futimes (fd, tv);
17 return 0;
18 }
19 ]],ac_cv_futimes=yes,ac_cv_futimes=no)])
20 test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available)
21
22 AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([
23 #include <fcntl.h>
24 int main(void)
25 {
26 int fd = 0;
27 off64_t offset = 1;
28 size_t count = 2;
29 ssize_t res;
30 res = readahead (fd, offset, count);
31 return 0;
32 }
33 ],ac_cv_readahead=yes,ac_cv_readahead=no)])
34 test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux))
35
36 AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([
37 #include <unistd.h>
38 int main(void)
39 {
40 int fd = 0;
41 fdatasync (fd);
42 return 0;
43 }
44 ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)])
45 test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available)
46
47 AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([
48 #include <unistd.h>
49 int main(void)
50 {
51 int fd = 0;
52 size_t count = 1;
53 char buf;
54 off_t offset = 1;
55 ssize_t res;
56 res = pread (fd, &buf, count, offset);
57 res = pwrite (fd, &buf, count, offset);
58 return 0;
59 }
60 ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)])
61 test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available)
62
63 AC_CACHE_CHECK(for readdir_r, ac_cv_readdir_r, [AC_LINK_IFELSE([
64 #include <dirent.h>
65 int main(void)
66 {
67 DIR *dir = 0;
68 struct dirent ent, *eres;
69 int res = readdir_r (dir, &ent, &eres);
70 return 0;
71 }
72 ],ac_cv_readdir_r=yes,ac_cv_readdir_r=no)])
73 test $ac_cv_readdir_r = yes && AC_DEFINE(HAVE_READDIR_R, 1, readdir_r is available)
74
75 AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([
76 # include <sys/types.h>
77 #if __linux
78 # include <sys/sendfile.h>
79 #elif __freebsd
80 # include <sys/socket.h>
81 # include <sys/uio.h>
82 #elif __hpux
83 # include <sys/socket.h>
84 #else
85 # error unsupported architecture
86 #endif
87 int main(void)
88 {
89 int fd = 0;
90 off_t offset = 1;
91 size_t count = 2;
92 ssize_t res;
93 #if __linux
94 res = sendfile (fd, fd, offset, count);
95 #elif __freebsd
96 res = sendfile (fd, fd, offset, count, 0, &offset, 0);
97 #elif __hpux
98 res = sendfile (fd, fd, offset, count, 0, 0);
99 #endif
100 return 0;
101 }
102 ],ac_cv_sendfile=yes,ac_cv_sendfile=no)])
103 test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported)
104
105 AC_OUTPUT