IO-AIO/configure.ac

AC_INIT
AC_CONFIG_SRCDIR([libeio/eio.h])
AC_CONFIG_HEADERS([config.h])

AC_PREREQ(2.60)
AC_USE_SYSTEM_EXTENSIONS

AC_PROG_CC

m4_include([libeio/libeio.m4])

# for these to work, you need to run autoheader in IO::AIO, not libeio :(

AC_CACHE_CHECK(for set/getrlimit, ac_cv_rlimits, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <sys/time.h>
#include <sys/resource.h>
int res;
int main (void)
{
   struct rlimit srl;
   srl.rlim_cur = srl.rlim_max = RLIM_INFINITY;
   res = getrlimit (RLIMIT_NOFILE, &srl);
   res = setrlimit (RLIMIT_NOFILE, &srl);
   return 0;
}
]])],ac_cv_rlimits=yes,ac_cv_rlimits=no)])
test $ac_cv_rlimits = yes && AC_DEFINE(HAVE_RLIMITS, 1, setrlimit/getrlimit is available)

dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required
dnl functionality actually being present. ugh.
AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <sys/mman.h>
int main (void)
{
   int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL);
   int a = POSIX_MADV_SEQUENTIAL;
   int b = POSIX_MADV_RANDOM;
   int c = POSIX_MADV_WILLNEED;
   int d = POSIX_MADV_DONTNEED;
   return 0;
}
])],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)])
test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available)

AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([
#define _XOPEN_SOURCE 600
#include <fcntl.h>
int main (void)
{
   int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL);
   int a = POSIX_FADV_SEQUENTIAL;
   int b = POSIX_FADV_NOREUSE;
   int c = POSIX_FADV_RANDOM;
   int d = POSIX_FADV_WILLNEED;
   int e = POSIX_FADV_DONTNEED;
   return 0;
}
])],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)])
test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available)

dnl lots of linux specifics
AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h])

dnl glibc major/minor macros
AC_CHECK_HEADERS([sys/sysmacros.h])

dnl solaris major/minor
AC_CHECK_HEADERS([sys/mkdev.h])

AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <fcntl.h>
int main (void)
{
   ssize_t res;
   res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE);
   res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK);
   res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT);
   return 0;
}
])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)])
test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available)

AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <fcntl.h>
#include <unistd.h>
int res;
int main (void)
{
   res = pipe2 (0, 0);
   return 0;
}
]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)])
test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available)

AC_CACHE_CHECK(for eventfd, ac_cv_eventfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <sys/eventfd.h>
int res;
int main (void)
{
   res = eventfd (1, EFD_CLOEXEC | EFD_NONBLOCK);
   return 0;
}
]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)])
test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available)

AC_CACHE_CHECK(for timerfd, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <sys/timerfd.h>
int res;
int main (void)
{
   struct itimerspec its;
   res = timerfd_create (CLOCK_REALTIME, TFD_CLOEXEC | TFD_NONBLOCK);
   res = timerfd_settime (res, TFD_TIMER_ABSTIME /*| TFD_TIMER_CANCEL_ON_SET*/, &its, 0);
   res = timerfd_gettime (res, &its);
   return 0;
}
]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)])
test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available)

AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
#include <sys/syscall.h>
/*#include <linux/copy.h>*/
int res;
int main (void)
{
   /*res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK | COPY_FR_DEDUP | COPY_FR_COPY);*/
   res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0);
   return 0;
}
]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)])
test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available)

AC_CACHE_CHECK(for st_xtimensec, ac_cv_xtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

int res;
int main (void)
{
   return PL_statcache.st_atimensec
        + PL_statcache.st_mtimensec
        + PL_statcache.st_ctimensec;
   return 0;
}
]])],ac_cv_xtimensec=yes,ac_cv_xtimensec=no)])
test $ac_cv_xtimensec = yes && AC_DEFINE(HAVE_ST_XTIMENSEC, 1, stat nanosecond access by st_xtimensec)

AC_CACHE_CHECK(for st_xtimespec, ac_cv_xtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"

int res;
int main (void)
{
   return PL_statcache.st_atim.tv_nsec
        + PL_statcache.st_mtim.tv_nsec
        + PL_statcache.st_ctim.tv_nsec;
}
]])],ac_cv_xtimespec=yes,ac_cv_xtimespec=no)])
test $ac_cv_xtimespec = yes && AC_DEFINE(HAVE_ST_XTIMESPEC, 1, stat nanosecond access by st_xtimespec)

# apparently, True64 uses st_u[amc]time, aix uses at_[amc]time_n and apple uses st_[amc,birth]timespec?

AC_OUTPUT

Revision:	1.9
Committed:	Tue Aug 14 11:50:43 2018 UTC (5 years, 9 months ago) by root
Branch:	MAIN
CVS Tags:	rel-4_54
Changes since 1.8:	+3 -0 lines
Log Message:	* empty log message *
#	Content
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 res;
18	int main (void)
19	{
20	struct rlimit srl;
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	AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([
71	#include <fcntl.h>
72	int main (void)
73	{
74	ssize_t res;
75	res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE \| SPLICE_F_NONBLOCK \| SPLICE_F_MORE);
76	res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK);
77	res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK \| SPLICE_F_GIFT);
78	return 0;
79	}
80	])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)])
81	test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available)
82
83	AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
84	#include <fcntl.h>
85	#include <unistd.h>
86	int res;
87	int main (void)
88	{
89	res = pipe2 (0, 0);
90	return 0;
91	}
92	]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)])
93	test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available)
94
95	AC_CACHE_CHECK(for eventfd, ac_cv_eventfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
96	#include <sys/eventfd.h>
97	int res;
98	int main (void)
99	{
100	res = eventfd (1, EFD_CLOEXEC \| EFD_NONBLOCK);
101	return 0;
102	}
103	]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)])
104	test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available)
105
106	AC_CACHE_CHECK(for timerfd, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
107	#include <sys/timerfd.h>
108	int res;
109	int main (void)
110	{
111	struct itimerspec its;
112	res = timerfd_create (CLOCK_REALTIME, TFD_CLOEXEC \| TFD_NONBLOCK);
113	res = timerfd_settime (res, TFD_TIMER_ABSTIME /\| TFD_TIMER_CANCEL_ON_SET/, &its, 0);
114	res = timerfd_gettime (res, &its);
115	return 0;
116	}
117	]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)])
118	test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available)
119
120	AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
121	#include <unistd.h>
122	#include <sys/syscall.h>
123	/#include <linux/copy.h>/
124	int res;
125	int main (void)
126	{
127	/res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK \| COPY_FR_DEDUP \| COPY_FR_COPY);/
128	res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0);
129	return 0;
130	}
131	]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)])
132	test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available)
133
134	AC_CACHE_CHECK(for st_xtimensec, ac_cv_xtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
135	#include "EXTERN.h"
136	#include "perl.h"
137	#include "XSUB.h"
138
139	int res;
140	int main (void)
141	{
142	return PL_statcache.st_atimensec
143	+ PL_statcache.st_mtimensec
144	+ PL_statcache.st_ctimensec;
145	return 0;
146	}
147	]])],ac_cv_xtimensec=yes,ac_cv_xtimensec=no)])
148	test $ac_cv_xtimensec = yes && AC_DEFINE(HAVE_ST_XTIMENSEC, 1, stat nanosecond access by st_xtimensec)
149
150	AC_CACHE_CHECK(for st_xtimespec, ac_cv_xtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
151	#include "EXTERN.h"
152	#include "perl.h"
153	#include "XSUB.h"
154
155	int res;
156	int main (void)
157	{
158	return PL_statcache.st_atim.tv_nsec
159	+ PL_statcache.st_mtim.tv_nsec
160	+ PL_statcache.st_ctim.tv_nsec;
161	}
162	]])],ac_cv_xtimespec=yes,ac_cv_xtimespec=no)])
163	test $ac_cv_xtimespec = yes && AC_DEFINE(HAVE_ST_XTIMESPEC, 1, stat nanosecond access by st_xtimespec)
164
165	# apparently, True64 uses st_u[amc]time, aix uses at_[amc]time_n and apple uses st_[amc,birth]timespec?
166
167	AC_OUTPUT
168