1 |
AC_INIT |
2 |
AC_CONFIG_SRCDIR([libeio/eio.h]) |
3 |
AC_CONFIG_HEADERS([config.h]) |
4 |
|
5 |
AC_PREREQ(2.60) |
6 |
AC_USE_SYSTEM_EXTENSIONS |
7 |
|
8 |
AC_PROG_CC |
9 |
|
10 |
m4_include([libeio/libeio.m4]) |
11 |
|
12 |
# for these to work, you need to run autoheader in IO::AIO, not libeio :( |
13 |
|
14 |
AC_CACHE_CHECK(for set/getrlimit, ac_cv_rlimits, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
15 |
#include <sys/time.h> |
16 |
#include <sys/resource.h> |
17 |
int main (void) |
18 |
{ |
19 |
struct rlimit srl; |
20 |
int res; |
21 |
srl.rlim_cur = srl.rlim_max = RLIM_INFINITY; |
22 |
res = getrlimit (RLIMIT_NOFILE, &srl); |
23 |
res = setrlimit (RLIMIT_NOFILE, &srl); |
24 |
return 0; |
25 |
} |
26 |
]])],ac_cv_rlimits=yes,ac_cv_rlimits=no)]) |
27 |
test $ac_cv_rlimits = yes && AC_DEFINE(HAVE_RLIMITS, 1, setrlimit/getrlimit is available) |
28 |
|
29 |
dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
30 |
dnl functionality actually being present. ugh. |
31 |
AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
32 |
#include <sys/mman.h> |
33 |
int main (void) |
34 |
{ |
35 |
int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
36 |
int a = POSIX_MADV_SEQUENTIAL; |
37 |
int b = POSIX_MADV_RANDOM; |
38 |
int c = POSIX_MADV_WILLNEED; |
39 |
int d = POSIX_MADV_DONTNEED; |
40 |
return 0; |
41 |
} |
42 |
])],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
43 |
test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
44 |
|
45 |
AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
46 |
#define _XOPEN_SOURCE 600 |
47 |
#include <fcntl.h> |
48 |
int main (void) |
49 |
{ |
50 |
int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
51 |
int a = POSIX_FADV_SEQUENTIAL; |
52 |
int b = POSIX_FADV_NOREUSE; |
53 |
int c = POSIX_FADV_RANDOM; |
54 |
int d = POSIX_FADV_WILLNEED; |
55 |
int e = POSIX_FADV_DONTNEED; |
56 |
return 0; |
57 |
} |
58 |
])],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
59 |
test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
60 |
|
61 |
dnl lots of linux specifics |
62 |
AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h]) |
63 |
|
64 |
dnl glibc major/minor macros |
65 |
AC_CHECK_HEADERS([sys/sysmacros.h]) |
66 |
|
67 |
dnl solaris major/minor |
68 |
AC_CHECK_HEADERS([sys/mkdev.h]) |
69 |
|
70 |
dnl readv / preadv, vmsplice |
71 |
AC_CHECK_HEADERS([sys/uio.h]) |
72 |
|
73 |
dnl fexecve has always been in the single unix specification |
74 |
dnl but some atrocities (like opsnbsd and osx) claim implementing it |
75 |
dnl but then not definining it. ugh. garbage. and fexecve would be |
76 |
dnl useful for security, but, no, not on openbsd. we'd rather lie |
77 |
dnl about it. |
78 |
AC_CACHE_CHECK(for fexecve, ac_cv_fexecve, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
79 |
#include <fcntl.h> |
80 |
#include <unistd.h> |
81 |
int main (void) |
82 |
{ |
83 |
char *const argv[] = { "foo", "bar", 0 }; |
84 |
int res = fexecve (-1, argv, 0); |
85 |
return 0; |
86 |
} |
87 |
]])],ac_cv_fexecve=yes,ac_cv_fexecve=no)]) |
88 |
test $ac_cv_fexecve = yes && AC_DEFINE(HAVE_FEXECVE, 1, fexecve(2) is available) |
89 |
|
90 |
AC_CACHE_CHECK([for siginfo_t], ac_cv_siginfo_t, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
91 |
#include <signal.h> |
92 |
int main (void) |
93 |
{ |
94 |
siginfo_t si; |
95 |
si.si_code; |
96 |
si.si_pid; |
97 |
si.si_uid; |
98 |
si.si_value.sival_int; |
99 |
si.si_value.sival_ptr; |
100 |
return 0; |
101 |
} |
102 |
])],ac_cv_siginfo_t=yes,ac_cv_siginfo_t=no)]) |
103 |
test $ac_cv_siginfo_t = yes && AC_DEFINE(HAVE_SIGINFO_T, 1, have siginfo_t in signal.h) |
104 |
|
105 |
AC_CACHE_CHECK([for unix-style syscall interface], ac_cv_syscall, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
106 |
#include <unistd.h> |
107 |
#include <sys/syscall.h> |
108 |
int main (void) |
109 |
{ |
110 |
long res = syscall (SYS_exit, 0); |
111 |
return 0; |
112 |
} |
113 |
])],ac_cv_syscall=yes,ac_cv_syscall=no)]) |
114 |
test $ac_cv_syscall = yes && AC_DEFINE(HAVE_SYSCALL, 1, unix syscall interface) |
115 |
|
116 |
AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
117 |
#include <sys/types.h> |
118 |
#include <fcntl.h> |
119 |
#include <sys/uio.h> |
120 |
int main (void) |
121 |
{ |
122 |
ssize_t res; |
123 |
res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE); |
124 |
res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); |
125 |
res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); |
126 |
return 0; |
127 |
} |
128 |
])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
129 |
test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
130 |
|
131 |
AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
132 |
#include <fcntl.h> |
133 |
#include <unistd.h> |
134 |
int main (void) |
135 |
{ |
136 |
int res; |
137 |
res = pipe2 (0, 0); |
138 |
return 0; |
139 |
} |
140 |
]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)]) |
141 |
test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available) |
142 |
|
143 |
AC_CACHE_CHECK(for eventfd, ac_cv_eventfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
144 |
#include <sys/eventfd.h> |
145 |
int main (void) |
146 |
{ |
147 |
int res; |
148 |
res = eventfd (1, EFD_CLOEXEC | EFD_NONBLOCK); |
149 |
return 0; |
150 |
} |
151 |
]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)]) |
152 |
test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available) |
153 |
|
154 |
AC_CACHE_CHECK(for timerfd_*, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
155 |
#include <sys/timerfd.h> |
156 |
int main (void) |
157 |
{ |
158 |
struct itimerspec its; |
159 |
int res; |
160 |
res = timerfd_create (CLOCK_REALTIME, TFD_CLOEXEC | TFD_NONBLOCK); |
161 |
res = timerfd_settime (res, TFD_TIMER_ABSTIME /*| TFD_TIMER_CANCEL_ON_SET*/, &its, 0); |
162 |
res = timerfd_gettime (res, &its); |
163 |
return 0; |
164 |
} |
165 |
]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)]) |
166 |
test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available) |
167 |
|
168 |
AC_CACHE_CHECK(for memfd_create, ac_cv_memfd_create, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
169 |
#include <sys/mman.h> |
170 |
int main (void) |
171 |
{ |
172 |
int res = memfd_create ("name", MFD_CLOEXEC | MFD_ALLOW_SEALING); |
173 |
return 0; |
174 |
} |
175 |
]])],ac_cv_memfd_create=yes,ac_cv_memfd_create=no)]) |
176 |
test $ac_cv_memfd_create = yes && AC_DEFINE(HAVE_MEMFD_CREATE, 1, memfd_create(2) is available) |
177 |
|
178 |
AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
179 |
#include <unistd.h> |
180 |
#include <sys/syscall.h> |
181 |
/*#include <linux/copy.h>*/ |
182 |
int main (void) |
183 |
{ |
184 |
int res; |
185 |
/*res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK | COPY_FR_DEDUP | COPY_FR_COPY);*/ |
186 |
res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0); |
187 |
return 0; |
188 |
} |
189 |
]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)]) |
190 |
test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available) |
191 |
|
192 |
AC_CACHE_CHECK(for st_xtimensec, ac_cv_xtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
193 |
#include "EXTERN.h" |
194 |
#include "perl.h" |
195 |
#include "XSUB.h" |
196 |
|
197 |
int main (void) |
198 |
{ |
199 |
return PL_statcache.st_atimensec |
200 |
+ PL_statcache.st_mtimensec |
201 |
+ PL_statcache.st_ctimensec; |
202 |
} |
203 |
]])],ac_cv_xtimensec=yes,ac_cv_xtimensec=no)]) |
204 |
test $ac_cv_xtimensec = yes && AC_DEFINE(HAVE_ST_XTIMENSEC, 1, stat nanosecond access by st_xtimensec) |
205 |
|
206 |
AC_CACHE_CHECK(for st_xtimespec, ac_cv_xtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
207 |
#include "EXTERN.h" |
208 |
#include "perl.h" |
209 |
#include "XSUB.h" |
210 |
|
211 |
int main (void) |
212 |
{ |
213 |
return PL_statcache.st_atim.tv_nsec |
214 |
+ PL_statcache.st_mtim.tv_nsec |
215 |
+ PL_statcache.st_ctim.tv_nsec; |
216 |
} |
217 |
]])],ac_cv_xtimespec=yes,ac_cv_xtimespec=no)]) |
218 |
test $ac_cv_xtimespec = yes && AC_DEFINE(HAVE_ST_XTIMESPEC, 1, stat nanosecond access by st_xtimespec) |
219 |
|
220 |
# apparently, True64 uses st_u[amc]time, aix uses at_[amc]time_n and apple uses st_[amc,birth]timespec? |
221 |
|
222 |
AC_CACHE_CHECK(for st_birthtimensec, ac_cv_birthtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
223 |
#include "EXTERN.h" |
224 |
#include "perl.h" |
225 |
#include "XSUB.h" |
226 |
|
227 |
int main (void) |
228 |
{ |
229 |
return PL_statcache.st_birthtime + PL_statcache.st_birthtimensec; |
230 |
} |
231 |
]])],ac_cv_birthtimensec=yes,ac_cv_birthtimensec=no)]) |
232 |
test $ac_cv_birthtimensec = yes && AC_DEFINE(HAVE_ST_BIRTHTIMENSEC, 1, birthtime nanosecond access by st_birthtimensec) |
233 |
|
234 |
AC_CACHE_CHECK(for st_birthtimespec, ac_cv_birthtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
235 |
#include "EXTERN.h" |
236 |
#include "perl.h" |
237 |
#include "XSUB.h" |
238 |
|
239 |
int main (void) |
240 |
{ |
241 |
return PL_statcache.st_birthtim.tv_sec + PL_statcache.st_birthtim.tv_nsec; |
242 |
} |
243 |
]])],ac_cv_birthtimespec=yes,ac_cv_birthtimespec=no)]) |
244 |
test $ac_cv_birthtimespec = yes && AC_DEFINE(HAVE_ST_BIRTHTIMESPEC, 1, birthtime nanosecond access by st_birthtimespec) |
245 |
|
246 |
AC_CACHE_CHECK(for st_gen, ac_cv_st_gen, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
247 |
#include "EXTERN.h" |
248 |
#include "perl.h" |
249 |
#include "XSUB.h" |
250 |
|
251 |
int main (void) |
252 |
{ |
253 |
return PL_statcache.st_gen; |
254 |
} |
255 |
]])],ac_cv_st_gen=yes,ac_cv_st_gen=no)]) |
256 |
test $ac_cv_st_gen = yes && AC_DEFINE(HAVE_ST_GEN, 1, stat st_gen member) |
257 |
|
258 |
AC_CACHE_CHECK(for statx, ac_cv_statx, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
259 |
#include <sys/types.h> |
260 |
#include <sys/stat.h> |
261 |
#include <unistd.h> |
262 |
#include <fcntl.h> |
263 |
int res; |
264 |
int main (void) |
265 |
{ |
266 |
struct statx sx; |
267 |
int res; |
268 |
res = statx (AT_FDCWD, ".", |
269 |
AT_EMPTY_PATH | AT_NO_AUTOMOUNT | AT_SYMLINK_NOFOLLOW | AT_STATX_SYNC_AS_STAT | AT_STATX_FORCE_SYNC | AT_STATX_DONT_SYNC, |
270 |
STATX_ALL, &sx); |
271 |
STATX_TYPE; STATX_MODE; STATX_NLINK; STATX_UID; STATX_GID; STATX_ATIME; STATX_MTIME; STATX_CTIME; |
272 |
STATX_INO; STATX_SIZE; STATX_BLOCKS; STATX_BASIC_STATS; STATX_BTIME; STATX_ALL; |
273 |
STATX_ATTR_COMPRESSED; STATX_ATTR_IMMUTABLE; STATX_ATTR_APPEND; STATX_ATTR_NODUMP; STATX_ATTR_ENCRYPTED; |
274 |
return 0; |
275 |
} |
276 |
]])],ac_cv_statx=yes,ac_cv_statx=no)]) |
277 |
test $ac_cv_statx = yes && AC_DEFINE(HAVE_STATX, 1, statx(2) is available) |
278 |
|
279 |
AC_CACHE_CHECK(for accept4, ac_cv_accept4, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
280 |
#include <sys/types.h> |
281 |
#include <sys/socket.h> |
282 |
int main (void) |
283 |
{ |
284 |
int res = accept4 (1, (struct sockaddr *)0, (socklen_t)0, SOCK_NONBLOCK | SOCK_CLOEXEC); |
285 |
return 0; |
286 |
} |
287 |
]])],ac_cv_accept4=yes,ac_cv_accept4=no)]) |
288 |
test $ac_cv_accept4 = yes && AC_DEFINE(HAVE_ACCEPT4, 1, accept4(2) is available) |
289 |
|
290 |
AC_CHECK_HEADERS([sys/mount.h]) |
291 |
AC_CACHE_CHECK(for mount, ac_cv_mount, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
292 |
#include <sys/mount.h> |
293 |
int main (void) |
294 |
{ |
295 |
int res = mount ("path", "path", "fstype", MS_RDONLY, 0); |
296 |
return 0; |
297 |
} |
298 |
]])],ac_cv_mount=yes,ac_cv_mount=no)]) |
299 |
test $ac_cv_mount = yes && AC_DEFINE(HAVE_MOUNT, 1, mount is available) |
300 |
AC_CACHE_CHECK(for umount, ac_cv_umount, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
301 |
#include <sys/mount.h> |
302 |
int main (void) |
303 |
{ |
304 |
int res = umount ("path"); |
305 |
return 0; |
306 |
} |
307 |
]])],ac_cv_umount=yes,ac_cv_umount=no)]) |
308 |
test $ac_cv_umount = yes && AC_DEFINE(HAVE_UMOUNT, 1, umount is available) |
309 |
AC_CACHE_CHECK(for umount2, ac_cv_umount2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
310 |
#include <sys/mount.h> |
311 |
int main (void) |
312 |
{ |
313 |
int res = umount2 ("path", MNT_FORCE|MNT_DETACH); |
314 |
return 0; |
315 |
} |
316 |
]])],ac_cv_umount2=yes,ac_cv_umount2=no)]) |
317 |
test $ac_cv_umount2 = yes && AC_DEFINE(HAVE_UMOUNT2, 1, umount2 is available) |
318 |
|
319 |
AC_OUTPUT |
320 |
|