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Comparing IO-AIO/configure.ac (file contents):
Revision 1.13 by root, Mon Mar 18 23:52:09 2019 UTC vs.
Revision 1.20 by root, Wed Sep 28 08:24:25 2022 UTC

… …
68AC_CHECK_HEADERS([sys/mkdev.h]) 68AC_CHECK_HEADERS([sys/mkdev.h])
69 69
70dnl readv / preadv, vmsplice 70dnl readv / preadv, vmsplice
71AC_CHECK_HEADERS([sys/uio.h]) 71AC_CHECK_HEADERS([sys/uio.h])
72 72
73dnl fexecve has always been in the single unix specification
74dnl but some atrocities (like opsnbsd and osx) claim implementing it
75dnl but then not definining it. ugh. garbage. and fexecve would be
76dnl useful for security, but, no, not on openbsd. we'd rather lie
77dnl about it.
78AC_CACHE_CHECK(for fexecve, ac_cv_fexecve, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
79#include <fcntl.h>
80#include <unistd.h>
81int main (void)
82{
83 int res = fexecve (-1, "argv", 0);
84 return 0;
85}
86]])],ac_cv_fexecve=yes,ac_cv_fexecve=no)])
87test $ac_cv_fexecve = yes && AC_DEFINE(HAVE_FEXECVE, 1, fexecve(2) is available)
88
89AC_CACHE_CHECK([for siginfo_t], ac_cv_siginfo_t, [AC_LINK_IFELSE([AC_LANG_SOURCE([
90#include <signal.h>
91int main (void)
92{
93 siginfo_t si;
94 si.si_code;
95 si.si_pid;
96 si.si_uid;
97 si.si_value.sival_int;
98 si.si_value.sival_ptr;
99 return 0;
100}
101])],ac_cv_siginfo_t=yes,ac_cv_siginfo_t=no)])
102test $ac_cv_siginfo_t = yes && AC_DEFINE(HAVE_SIGINFO_T, 1, have siginfo_t in signal.h)
103
104AC_CACHE_CHECK([for unix-style syscall interface], ac_cv_syscall, [AC_LINK_IFELSE([AC_LANG_SOURCE([
105#include <unistd.h>
106#include <sys/syscall.h>
107int main (void)
108{
109 long res = syscall (SYS_exit, 0);
110 return 0;
111}
112])],ac_cv_syscall=yes,ac_cv_syscall=no)])
113test $ac_cv_syscall = yes && AC_DEFINE(HAVE_SYSCALL, 1, unix syscall interface)
73 114
74AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ 115AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([
75#include <sys/types.h> 116#include <sys/types.h>
76#include <fcntl.h> 117#include <fcntl.h>
77#include <sys/uio.h> 118#include <sys/uio.h>
… …
107 return 0; 148 return 0;
108} 149}
109]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)]) 150]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)])
110test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available) 151test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available)
111 152
112AC_CACHE_CHECK(for timerfd, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ 153AC_CACHE_CHECK(for timerfd_*, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
113#include <sys/timerfd.h> 154#include <sys/timerfd.h>
114int main (void) 155int main (void)
115{ 156{
116 struct itimerspec its; 157 struct itimerspec its;
117 int res; 158 int res;
… …
120 res = timerfd_gettime (res, &its); 161 res = timerfd_gettime (res, &its);
121 return 0; 162 return 0;
122} 163}
123]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)]) 164]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)])
124test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available) 165test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available)
166
167AC_CACHE_CHECK(for memfd_create, ac_cv_memfd_create, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
168#include <sys/mman.h>
169int main (void)
170{
171 int res = memfd_create ("name", MFD_CLOEXEC | MFD_ALLOW_SEALING);
172 return 0;
173}
174]])],ac_cv_memfd_create=yes,ac_cv_memfd_create=no)])
175test $ac_cv_memfd_create = yes && AC_DEFINE(HAVE_MEMFD_CREATE, 1, memfd_create(2) is available)
125 176
126AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ 177AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
127#include <unistd.h> 178#include <unistd.h>
128#include <sys/syscall.h> 179#include <sys/syscall.h>
129/*#include <linux/copy.h>*/ 180/*#include <linux/copy.h>*/
… …
222 return 0; 273 return 0;
223} 274}
224]])],ac_cv_statx=yes,ac_cv_statx=no)]) 275]])],ac_cv_statx=yes,ac_cv_statx=no)])
225test $ac_cv_statx = yes && AC_DEFINE(HAVE_STATX, 1, statx(2) is available) 276test $ac_cv_statx = yes && AC_DEFINE(HAVE_STATX, 1, statx(2) is available)
226 277
278AC_CACHE_CHECK(for accept4, ac_cv_accept4, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
279#include <sys/types.h>
280#include <sys/socket.h>
281int main (void)
282{
283 int res = accept4 (1, (struct sockaddr *)0, (socklen_t)0, SOCK_NONBLOCK | SOCK_CLOEXEC);
284 return 0;
285}
286]])],ac_cv_accept4=yes,ac_cv_accept4=no)])
287test $ac_cv_accept4 = yes && AC_DEFINE(HAVE_ACCEPT4, 1, accept4(2) is available)
288
289AC_CHECK_HEADERS([sys/mount.h])
290AC_CACHE_CHECK(for mount, ac_cv_mount, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
291#include <sys/mount.h>
292int main (void)
293{
294 int res = mount ("path", "path", "fstype", MS_RDONLY, 0);
295 return 0;
296}
297]])],ac_cv_mount=yes,ac_cv_mount=no)])
298test $ac_cv_mount = yes && AC_DEFINE(HAVE_MOUNT, 1, mount is available)
299AC_CACHE_CHECK(for umount, ac_cv_umount, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
300#include <sys/mount.h>
301int main (void)
302{
303 int res = umount ("path");
304 return 0;
305}
306]])],ac_cv_umount=yes,ac_cv_umount=no)])
307test $ac_cv_umount = yes && AC_DEFINE(HAVE_UMOUNT, 1, umount is available)
308AC_CACHE_CHECK(for umount2, ac_cv_umount2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
309#include <sys/mount.h>
310int main (void)
311{
312 int res = umount2 ("path", MNT_FORCE|MNT_DETACH);
313 return 0;
314}
315]])],ac_cv_umount2=yes,ac_cv_umount2=no)])
316test $ac_cv_umount2 = yes && AC_DEFINE(HAVE_UMOUNT2, 1, umount2 is available)
317
227AC_OUTPUT 318AC_OUTPUT
228 319

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