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Comparing IO-AIO/configure.ac (file contents):
Revision 1.3 by root, Thu Dec 2 10:04:47 2010 UTC vs.
Revision 1.16 by root, Tue Dec 29 15:16:28 2020 UTC

1AC_PREREQ(2.59)
2AC_INIT 1AC_INIT
3AC_CONFIG_SRCDIR([libeio/eio.h]) 2AC_CONFIG_SRCDIR([libeio/eio.h])
4AC_CONFIG_HEADERS([libeio/config.h]) 3AC_CONFIG_HEADERS([config.h])
4
5AC_PREREQ(2.60)
6AC_USE_SYSTEM_EXTENSIONS
5 7
6AC_PROG_CC 8AC_PROG_CC
7 9
8m4_include([libeio/libeio.m4]) 10m4_include([libeio/libeio.m4])
9 11
12# for these to work, you need to run autoheader in IO::AIO, not libeio :(
13
14AC_CACHE_CHECK(for set/getrlimit, ac_cv_rlimits, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
15#include <sys/time.h>
16#include <sys/resource.h>
17int 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)])
27test $ac_cv_rlimits = yes && AC_DEFINE(HAVE_RLIMITS, 1, setrlimit/getrlimit is available)
28
29dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required
30dnl functionality actually being present. ugh.
31AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([
32#include <sys/mman.h>
33int 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)])
43test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available)
44
45AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([
46#define _XOPEN_SOURCE 600
47#include <fcntl.h>
48int 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)])
59test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available)
60
61dnl lots of linux specifics
62AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h])
63
64dnl glibc major/minor macros
65AC_CHECK_HEADERS([sys/sysmacros.h])
66
67dnl solaris major/minor
68AC_CHECK_HEADERS([sys/mkdev.h])
69
70dnl readv / preadv, vmsplice
71AC_CHECK_HEADERS([sys/uio.h])
72
73AC_CACHE_CHECK([for unix-style syscall interface], ac_cv_syscall, [AC_LINK_IFELSE([AC_LANG_SOURCE([
74#include <unistd.h>
75#include <sys/syscall.h>
76int main (void)
77{
78 long res = syscall (SYS_exit, 0);
79 return 0;
80}
81])],ac_cv_syscall=yes,ac_cv_syscall=no)])
82test $ac_cv_syscall = yes && AC_DEFINE(HAVE_SYSCALL, 1, unix syscall interface)
83
84AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([
85#include <sys/types.h>
86#include <fcntl.h>
87#include <sys/uio.h>
88int main (void)
89{
90 ssize_t res;
91 res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE);
92 res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK);
93 res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT);
94 return 0;
95}
96])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)])
97test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available)
98
99AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
100#include <fcntl.h>
101#include <unistd.h>
102int main (void)
103{
104 int res;
105 res = pipe2 (0, 0);
106 return 0;
107}
108]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)])
109test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available)
110
111AC_CACHE_CHECK(for eventfd, ac_cv_eventfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
112#include <sys/eventfd.h>
113int main (void)
114{
115 int res;
116 res = eventfd (1, EFD_CLOEXEC | EFD_NONBLOCK);
117 return 0;
118}
119]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)])
120test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available)
121
122AC_CACHE_CHECK(for timerfd_*, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
123#include <sys/timerfd.h>
124int main (void)
125{
126 struct itimerspec its;
127 int res;
128 res = timerfd_create (CLOCK_REALTIME, TFD_CLOEXEC | TFD_NONBLOCK);
129 res = timerfd_settime (res, TFD_TIMER_ABSTIME /*| TFD_TIMER_CANCEL_ON_SET*/, &its, 0);
130 res = timerfd_gettime (res, &its);
131 return 0;
132}
133]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)])
134test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available)
135
136AC_CACHE_CHECK(for memfd_create, ac_cv_memfd_create, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
137#include <sys/mman.h>
138int main (void)
139{
140 int res = memfd_create ("name", MFD_CLOEXEC | MFD_ALLOW_SEALING);
141 return 0;
142}
143]])],ac_cv_memfd_create=yes,ac_cv_memfd_create=no)])
144test $ac_cv_memfd_create = yes && AC_DEFINE(HAVE_MEMFD_CREATE, 1, memfd_create(2) is available)
145
146AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
147#include <unistd.h>
148#include <sys/syscall.h>
149/*#include <linux/copy.h>*/
150int main (void)
151{
152 int res;
153 /*res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK | COPY_FR_DEDUP | COPY_FR_COPY);*/
154 res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0);
155 return 0;
156}
157]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)])
158test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available)
159
160AC_CACHE_CHECK(for st_xtimensec, ac_cv_xtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
161#include "EXTERN.h"
162#include "perl.h"
163#include "XSUB.h"
164
165int main (void)
166{
167 return PL_statcache.st_atimensec
168 + PL_statcache.st_mtimensec
169 + PL_statcache.st_ctimensec;
170}
171]])],ac_cv_xtimensec=yes,ac_cv_xtimensec=no)])
172test $ac_cv_xtimensec = yes && AC_DEFINE(HAVE_ST_XTIMENSEC, 1, stat nanosecond access by st_xtimensec)
173
174AC_CACHE_CHECK(for st_xtimespec, ac_cv_xtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
175#include "EXTERN.h"
176#include "perl.h"
177#include "XSUB.h"
178
179int main (void)
180{
181 return PL_statcache.st_atim.tv_nsec
182 + PL_statcache.st_mtim.tv_nsec
183 + PL_statcache.st_ctim.tv_nsec;
184}
185]])],ac_cv_xtimespec=yes,ac_cv_xtimespec=no)])
186test $ac_cv_xtimespec = yes && AC_DEFINE(HAVE_ST_XTIMESPEC, 1, stat nanosecond access by st_xtimespec)
187
188# apparently, True64 uses st_u[amc]time, aix uses at_[amc]time_n and apple uses st_[amc,birth]timespec?
189
190AC_CACHE_CHECK(for st_birthtimensec, ac_cv_birthtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
191#include "EXTERN.h"
192#include "perl.h"
193#include "XSUB.h"
194
195int main (void)
196{
197 return PL_statcache.st_birthtime + PL_statcache.st_birthtimensec;
198}
199]])],ac_cv_birthtimensec=yes,ac_cv_birthtimensec=no)])
200test $ac_cv_birthtimensec = yes && AC_DEFINE(HAVE_ST_BIRTHTIMENSEC, 1, birthtime nanosecond access by st_birthtimensec)
201
202AC_CACHE_CHECK(for st_birthtimespec, ac_cv_birthtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
203#include "EXTERN.h"
204#include "perl.h"
205#include "XSUB.h"
206
207int main (void)
208{
209 return PL_statcache.st_birthtim.tv_sec + PL_statcache.st_birthtim.tv_nsec;
210}
211]])],ac_cv_birthtimespec=yes,ac_cv_birthtimespec=no)])
212test $ac_cv_birthtimespec = yes && AC_DEFINE(HAVE_ST_BIRTHTIMESPEC, 1, birthtime nanosecond access by st_birthtimespec)
213
214AC_CACHE_CHECK(for st_gen, ac_cv_st_gen, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
215#include "EXTERN.h"
216#include "perl.h"
217#include "XSUB.h"
218
219int main (void)
220{
221 return PL_statcache.st_gen;
222}
223]])],ac_cv_st_gen=yes,ac_cv_st_gen=no)])
224test $ac_cv_st_gen = yes && AC_DEFINE(HAVE_ST_GEN, 1, stat st_gen member)
225
226AC_CACHE_CHECK(for statx, ac_cv_statx, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
227#include <sys/types.h>
228#include <sys/stat.h>
229#include <unistd.h>
230#include <fcntl.h>
231int res;
232int main (void)
233{
234 struct statx sx;
235 int res;
236 res = statx (AT_FDCWD, ".",
237 AT_EMPTY_PATH | AT_NO_AUTOMOUNT | AT_SYMLINK_NOFOLLOW | AT_STATX_SYNC_AS_STAT | AT_STATX_FORCE_SYNC | AT_STATX_DONT_SYNC,
238 STATX_ALL, &sx);
239 STATX_TYPE; STATX_MODE; STATX_NLINK; STATX_UID; STATX_GID; STATX_ATIME; STATX_MTIME; STATX_CTIME;
240 STATX_INO; STATX_SIZE; STATX_BLOCKS; STATX_BASIC_STATS; STATX_BTIME; STATX_ALL;
241 STATX_ATTR_COMPRESSED; STATX_ATTR_IMMUTABLE; STATX_ATTR_APPEND; STATX_ATTR_NODUMP; STATX_ATTR_ENCRYPTED;
242 return 0;
243}
244]])],ac_cv_statx=yes,ac_cv_statx=no)])
245test $ac_cv_statx = yes && AC_DEFINE(HAVE_STATX, 1, statx(2) is available)
246
247AC_CACHE_CHECK(for accept4, ac_cv_accept4, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
248#include <sys/types.h>
249#include <sys/socket.h>
250int main (void)
251{
252 int res;
253 res = accept4 (1, (struct sockaddr *)0, (socklen_t)0, SOCK_NONBLOCK | SOCK_CLOEXEC);
254 return 0;
255}
256]])],ac_cv_accept4=yes,ac_cv_accept4=no)])
257test $ac_cv_accept4 = yes && AC_DEFINE(HAVE_ACCEPT4, 1, accept4(2) is available)
258
10AC_OUTPUT 259AC_OUTPUT
260

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