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 |
|
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# 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> |
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#include <sys/resource.h> |
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int main (void) |
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{ |
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struct rlimit srl; |
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int res; |
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srl.rlim_cur = srl.rlim_max = RLIM_INFINITY; |
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res = getrlimit (RLIMIT_NOFILE, &srl); |
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res = setrlimit (RLIMIT_NOFILE, &srl); |
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return 0; |
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} |
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. |
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AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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#include <sys/mman.h> |
33 |
int main (void) |
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{ |
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int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
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int a = POSIX_MADV_SEQUENTIAL; |
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int b = POSIX_MADV_RANDOM; |
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int c = POSIX_MADV_WILLNEED; |
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int d = POSIX_MADV_DONTNEED; |
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return 0; |
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} |
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([ |
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#define _XOPEN_SOURCE 600 |
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#include <fcntl.h> |
48 |
int main (void) |
49 |
{ |
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int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
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int a = POSIX_FADV_SEQUENTIAL; |
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int b = POSIX_FADV_NOREUSE; |
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int c = POSIX_FADV_RANDOM; |
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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 |
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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 |
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AC_CHECK_HEADERS([sys/uio.h]) |
72 |
|
73 |
|
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AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
75 |
#include <sys/types.h> |
76 |
#include <fcntl.h> |
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#include <sys/uio.h> |
78 |
int main (void) |
79 |
{ |
80 |
ssize_t res; |
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res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE); |
82 |
res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); |
83 |
res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); |
84 |
return 0; |
85 |
} |
86 |
])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
87 |
test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
88 |
|
89 |
AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
90 |
#include <fcntl.h> |
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#include <unistd.h> |
92 |
int main (void) |
93 |
{ |
94 |
int res; |
95 |
res = pipe2 (0, 0); |
96 |
return 0; |
97 |
} |
98 |
]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)]) |
99 |
test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available) |
100 |
|
101 |
AC_CACHE_CHECK(for eventfd, ac_cv_eventfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
102 |
#include <sys/eventfd.h> |
103 |
int main (void) |
104 |
{ |
105 |
int res; |
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res = eventfd (1, EFD_CLOEXEC | EFD_NONBLOCK); |
107 |
return 0; |
108 |
} |
109 |
]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)]) |
110 |
test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available) |
111 |
|
112 |
AC_CACHE_CHECK(for timerfd, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
113 |
#include <sys/timerfd.h> |
114 |
int main (void) |
115 |
{ |
116 |
struct itimerspec its; |
117 |
int res; |
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res = timerfd_create (CLOCK_REALTIME, TFD_CLOEXEC | TFD_NONBLOCK); |
119 |
res = timerfd_settime (res, TFD_TIMER_ABSTIME /*| TFD_TIMER_CANCEL_ON_SET*/, &its, 0); |
120 |
res = timerfd_gettime (res, &its); |
121 |
return 0; |
122 |
} |
123 |
]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)]) |
124 |
test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available) |
125 |
|
126 |
AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
127 |
#include <unistd.h> |
128 |
#include <sys/syscall.h> |
129 |
/*#include <linux/copy.h>*/ |
130 |
int main (void) |
131 |
{ |
132 |
int res; |
133 |
/*res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK | COPY_FR_DEDUP | COPY_FR_COPY);*/ |
134 |
res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0); |
135 |
return 0; |
136 |
} |
137 |
]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)]) |
138 |
test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available) |
139 |
|
140 |
AC_CACHE_CHECK(for st_xtimensec, ac_cv_xtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
141 |
#include "EXTERN.h" |
142 |
#include "perl.h" |
143 |
#include "XSUB.h" |
144 |
|
145 |
int main (void) |
146 |
{ |
147 |
return PL_statcache.st_atimensec |
148 |
+ PL_statcache.st_mtimensec |
149 |
+ PL_statcache.st_ctimensec; |
150 |
} |
151 |
]])],ac_cv_xtimensec=yes,ac_cv_xtimensec=no)]) |
152 |
test $ac_cv_xtimensec = yes && AC_DEFINE(HAVE_ST_XTIMENSEC, 1, stat nanosecond access by st_xtimensec) |
153 |
|
154 |
AC_CACHE_CHECK(for st_xtimespec, ac_cv_xtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
155 |
#include "EXTERN.h" |
156 |
#include "perl.h" |
157 |
#include "XSUB.h" |
158 |
|
159 |
int main (void) |
160 |
{ |
161 |
return PL_statcache.st_atim.tv_nsec |
162 |
+ PL_statcache.st_mtim.tv_nsec |
163 |
+ PL_statcache.st_ctim.tv_nsec; |
164 |
} |
165 |
]])],ac_cv_xtimespec=yes,ac_cv_xtimespec=no)]) |
166 |
test $ac_cv_xtimespec = yes && AC_DEFINE(HAVE_ST_XTIMESPEC, 1, stat nanosecond access by st_xtimespec) |
167 |
|
168 |
# apparently, True64 uses st_u[amc]time, aix uses at_[amc]time_n and apple uses st_[amc,birth]timespec? |
169 |
|
170 |
AC_CACHE_CHECK(for st_birthtimensec, ac_cv_birthtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
171 |
#include "EXTERN.h" |
172 |
#include "perl.h" |
173 |
#include "XSUB.h" |
174 |
|
175 |
int main (void) |
176 |
{ |
177 |
return PL_statcache.st_birthtime + PL_statcache.st_birthtimensec; |
178 |
} |
179 |
]])],ac_cv_birthtimensec=yes,ac_cv_birthtimensec=no)]) |
180 |
test $ac_cv_birthtimensec = yes && AC_DEFINE(HAVE_ST_BIRTHTIMENSEC, 1, birthtime nanosecond access by st_birthtimensec) |
181 |
|
182 |
AC_CACHE_CHECK(for st_birthtimespec, ac_cv_birthtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
183 |
#include "EXTERN.h" |
184 |
#include "perl.h" |
185 |
#include "XSUB.h" |
186 |
|
187 |
int main (void) |
188 |
{ |
189 |
return PL_statcache.st_birthtim.tv_sec + PL_statcache.st_birthtim.tv_nsec; |
190 |
} |
191 |
]])],ac_cv_birthtimespec=yes,ac_cv_birthtimespec=no)]) |
192 |
test $ac_cv_birthtimespec = yes && AC_DEFINE(HAVE_ST_BIRTHTIMESPEC, 1, birthtime nanosecond access by st_birthtimespec) |
193 |
|
194 |
AC_CACHE_CHECK(for st_gen, ac_cv_st_gen, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
195 |
#include "EXTERN.h" |
196 |
#include "perl.h" |
197 |
#include "XSUB.h" |
198 |
|
199 |
int main (void) |
200 |
{ |
201 |
return PL_statcache.st_gen; |
202 |
} |
203 |
]])],ac_cv_st_gen=yes,ac_cv_st_gen=no)]) |
204 |
test $ac_cv_st_gen = yes && AC_DEFINE(HAVE_ST_GEN, 1, stat st_gen member) |
205 |
|
206 |
AC_CACHE_CHECK(for statx, ac_cv_statx, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
207 |
#include <sys/types.h> |
208 |
#include <sys/stat.h> |
209 |
#include <unistd.h> |
210 |
#include <fcntl.h> |
211 |
int res; |
212 |
int main (void) |
213 |
{ |
214 |
struct statx sx; |
215 |
int res; |
216 |
res = statx (AT_FDCWD, ".", |
217 |
AT_EMPTY_PATH | AT_NO_AUTOMOUNT | AT_SYMLINK_NOFOLLOW | AT_STATX_SYNC_AS_STAT | AT_STATX_FORCE_SYNC | AT_STATX_DONT_SYNC, |
218 |
STATX_ALL, &sx); |
219 |
STATX_TYPE; STATX_MODE; STATX_NLINK; STATX_UID; STATX_GID; STATX_ATIME; STATX_MTIME; STATX_CTIME; |
220 |
STATX_INO; STATX_SIZE; STATX_BLOCKS; STATX_BASIC_STATS; STATX_BTIME; STATX_ALL; |
221 |
STATX_ATTR_COMPRESSED; STATX_ATTR_IMMUTABLE; STATX_ATTR_APPEND; STATX_ATTR_NODUMP; STATX_ATTR_ENCRYPTED; |
222 |
return 0; |
223 |
} |
224 |
]])],ac_cv_statx=yes,ac_cv_statx=no)]) |
225 |
test $ac_cv_statx = yes && AC_DEFINE(HAVE_STATX, 1, statx(2) is available) |
226 |
|
227 |
AC_OUTPUT |
228 |
|