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Comparing libeio/libeio.m4 (file contents):
Revision 1.2 by root, Sun May 11 01:00:03 2008 UTC vs.
Revision 1.4 by root, Sun May 11 01:08:05 2008 UTC

… …
19} 19}
20]],ac_cv_futimes=yes,ac_cv_futimes=no)]) 20]],ac_cv_futimes=yes,ac_cv_futimes=no)])
21test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) 21test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available)
22 22
23AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ 23AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([
24#define _GNU_SOURCE
25#include <fcntl.h> 24#include <fcntl.h>
26int main(void) 25int main(void)
27{ 26{
28 int fd = 0; 27 int fd = 0;
29 off64_t offset = 1; 28 off64_t offset = 1;
… …
32 res = readahead (fd, offset, count); 31 res = readahead (fd, offset, count);
33 return 0; 32 return 0;
34} 33}
35],ac_cv_readahead=yes,ac_cv_readahead=no)]) 34],ac_cv_readahead=yes,ac_cv_readahead=no)])
36test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) 35test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux))
37test $ac_cv_readahead = yes && AC_DEFINE(_GNU_SOURCE, 1, _GNU_SOURCE required for readahead (linux))
38 36
39AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ 37AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([
40#include <unistd.h> 38#include <unistd.h>
41int main(void) 39int main(void)
42{ 40{

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