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Comparing libeio/libeio.m4 (file contents):
Revision 1.23 by root, Thu Jun 25 13:34:28 2015 UTC vs.
Revision 1.34 by root, Thu Feb 29 18:02:43 2024 UTC

1dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t, 1dnl openbsd in its neverending brokenness requires stdint.h for intptr_t,
2dnl but that header isn't very portable... 2dnl but that header isn't very portable...
3AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h]) 3AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h])
4 4
5AC_SEARCH_LIBS( 5AC_SEARCH_LIBS(
6 pthread_create, 6 pthread_create,
… …
37} 37}
38]])],ac_cv_futimes=yes,ac_cv_futimes=no)]) 38]])],ac_cv_futimes=yes,ac_cv_futimes=no)])
39test $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)
40 40
41AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([AC_LANG_SOURCE([ 41AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([AC_LANG_SOURCE([
42#include <sys/types.h>
42#include <fcntl.h> 43#include <fcntl.h>
43int main (void) 44int main (void)
44{ 45{
45 int fd = 0; 46 int fd = 0;
46 size_t count = 2; 47 size_t count = 2;
… …
79 int fd = 0; 80 int fd = 0;
80 off_t offset = 1; 81 off_t offset = 1;
81 size_t count = 2; 82 size_t count = 2;
82 ssize_t res; 83 ssize_t res;
83#if __linux 84#if __linux
84 res = sendfile (fd, fd, offset, count); 85 res = sendfile (fd, fd, &offset, count);
85#elif __FreeBSD__ 86#elif __FreeBSD__
86 res = sendfile (fd, fd, offset, count, 0, &offset, 0); 87 res = sendfile (fd, fd, offset, count, 0, &offset, 0);
87#elif __hpux 88#elif __hpux
88 res = sendfile (fd, fd, offset, count, 0, 0); 89 res = sendfile (fd, fd, offset, count, 0, 0);
89#endif 90#endif
… …
91} 92}
92])],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) 93])],ac_cv_sendfile=yes,ac_cv_sendfile=no)])
93test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) 94test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported)
94 95
95AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([ 96AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([
97#include <sys/types.h>
96#include <fcntl.h> 98#include <fcntl.h>
97int main (void) 99int main (void)
98{ 100{
99 int fd = 0; 101 int fd = 0;
100 off64_t offset = 1; 102 off64_t offset = 1;
… …
104 res = sync_file_range (fd, offset, nbytes, flags); 106 res = sync_file_range (fd, offset, nbytes, flags);
105 return 0; 107 return 0;
106} 108}
107])],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) 109])],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)])
108test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) 110test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available)
111
112AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
113#include <unistd.h>
114int main (void)
115{
116 off64_t o1, o2;
117 int res = copy_file_range (0, &o1, 1, &o2, 99, 0);
118 return 0;
119}
120]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)])
121test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available)
109 122
110AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([AC_LANG_SOURCE([ 123AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([AC_LANG_SOURCE([
111#include <fcntl.h> 124#include <fcntl.h>
112int main (void) 125int main (void)
113{ 126{
… …
134 147
135AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([ 148AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([
136#include <sys/prctl.h> 149#include <sys/prctl.h>
137int main (void) 150int main (void)
138{ 151{
139 char name[] = "test123"; 152 char *name = "test123";
140 int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); 153 int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0);
141} 154}
142])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) 155])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)])
143test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) 156test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available)
144 157
145dnl #############################################################################
146dnl # these checks exist for the benefit of IO::AIO
147
148dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required
149dnl functionality actually being present. ugh.
150AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ 158AC_CACHE_CHECK(for posix_close, ac_cv_posix_close, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
151#include <sys/mman.h>
152int main (void)
153{
154 int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL);
155 int a = POSIX_MADV_SEQUENTIAL;
156 int b = POSIX_MADV_RANDOM;
157 int c = POSIX_MADV_WILLNEED;
158 int d = POSIX_MADV_DONTNEED;
159 return 0;
160}
161])],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)])
162test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available)
163
164AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([
165#define _XOPEN_SOURCE 600
166#include <fcntl.h>
167int main (void)
168{
169 int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL);
170 int a = POSIX_FADV_SEQUENTIAL;
171 int b = POSIX_FADV_NOREUSE;
172 int c = POSIX_FADV_RANDOM;
173 int d = POSIX_FADV_WILLNEED;
174 int e = POSIX_FADV_DONTNEED;
175 return 0;
176}
177])],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)])
178test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available)
179
180dnl lots of linux specifics
181AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h])
182
183AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([
184#include <fcntl.h>
185int main (void)
186{
187 ssize_t res;
188 res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE);
189 res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK);
190 res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT);
191 return 0;
192}
193])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)])
194test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available)
195
196AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
197#include <fcntl.h>
198#include <unistd.h> 159#include <unistd.h>
199int res; 160int res;
200int main (void) 161int main (void)
201{ 162{
202 res = pipe2 (0, 0); 163 res = posix_close (0, 0); /* we do not need any flags */
203 return 0; 164 return 0;
204} 165}
205]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)]) 166]])],ac_cv_posix_close=yes,ac_cv_posix_close=no)])
206test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available) 167test $ac_cv_posix_close = yes && AC_DEFINE(HAVE_POSIX_CLOSE, 1, posix_close(2) is available)
207 168
169AC_CACHE_CHECK(for renameat2, ac_cv_renameat2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
170#include <unistd.h>
171#include <sys/syscall.h>
172#include <linux/fs.h>
173int res;
174int main (void)
175{
176 res = syscall (SYS_renameat2, 0, 0, 0, 0, RENAME_EXCHANGE | RENAME_NOREPLACE);
177 return 0;
178}
179]])],ac_cv_renameat2=yes,ac_cv_renameat2=no)])
180test $ac_cv_renameat2 = yes && AC_DEFINE(HAVE_RENAMEAT2, 1, renameat2(2) is available)
181

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