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])

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:	1.7
Committed:	Sun Aug 12 06:03:20 2018 UTC (5 years, 9 months ago) by root
Branch:	MAIN
CVS Tags:	rel-4_52, rel-4_53, rel-4_51
Changes since 1.6:	+2 -0 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	AC_INIT
2			AC_CONFIG_SRCDIR([libeio/eio.h])
3	root	1.6	AC_CONFIG_HEADERS([config.h])
4	root	1.1
5	root	1.5	AC_PREREQ(2.60)
6			AC_USE_SYSTEM_EXTENSIONS
7
8	root	1.1	AC_PROG_CC
9
10			m4_include([libeio/libeio.m4])
11
12	root	1.6	# 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			AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([
65			#include <fcntl.h>
66			int main (void)
67			{
68			ssize_t res;
69			res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE \| SPLICE_F_NONBLOCK \| SPLICE_F_MORE);
70			res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK);
71			res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK \| SPLICE_F_GIFT);
72			return 0;
73			}
74			])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)])
75			test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available)
76
77			AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
78			#include <fcntl.h>
79			#include <unistd.h>
80			int res;
81			int main (void)
82			{
83			res = pipe2 (0, 0);
84			return 0;
85			}
86			]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)])
87			test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available)
88
89			AC_CACHE_CHECK(for eventfd, ac_cv_eventfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
90			#include <sys/eventfd.h>
91			int res;
92			int main (void)
93			{
94			res = eventfd (1, EFD_CLOEXEC \| EFD_NONBLOCK);
95			return 0;
96			}
97			]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)])
98			test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available)
99
100			AC_CACHE_CHECK(for timerfd, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
101			#include <sys/timerfd.h>
102			int res;
103			int main (void)
104			{
105			struct itimerspec its;
106			res = timerfd_create (CLOCK_REALTIME, TFD_CLOEXEC \| TFD_NONBLOCK);
107			res = timerfd_settime (res, TFD_TIMER_ABSTIME /\| TFD_TIMER_CANCEL_ON_SET/, &its, 0);
108			res = timerfd_gettime (res, &its);
109			return 0;
110			}
111			]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)])
112			test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available)
113
114			AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
115			#include <unistd.h>
116			#include <sys/syscall.h>
117			/#include <linux/copy.h>/
118			int res;
119			int main (void)
120			{
121			/res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK \| COPY_FR_DEDUP \| COPY_FR_COPY);/
122			res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0);
123			return 0;
124			}
125			]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)])
126			test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available)
127
128			AC_CACHE_CHECK(for st_xtimensec, ac_cv_xtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
129			#include "EXTERN.h"
130			#include "perl.h"
131			#include "XSUB.h"
132
133			int res;
134			int main (void)
135			{
136			return PL_statcache.st_atimensec
137			+ PL_statcache.st_mtimensec
138			+ PL_statcache.st_ctimensec;
139			return 0;
140			}
141			]])],ac_cv_xtimensec=yes,ac_cv_xtimensec=no)])
142			test $ac_cv_xtimensec = yes && AC_DEFINE(HAVE_ST_XTIMENSEC, 1, stat nanosecond access by st_xtimensec)
143
144			AC_CACHE_CHECK(for st_xtimespec, ac_cv_xtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
145			#include "EXTERN.h"
146			#include "perl.h"
147			#include "XSUB.h"
148
149			int res;
150			int main (void)
151			{
152			return PL_statcache.st_atim.tv_nsec
153			+ PL_statcache.st_mtim.tv_nsec
154			+ PL_statcache.st_ctim.tv_nsec;
155			}
156			]])],ac_cv_xtimespec=yes,ac_cv_xtimespec=no)])
157			test $ac_cv_xtimespec = yes && AC_DEFINE(HAVE_ST_XTIMESPEC, 1, stat nanosecond access by st_xtimespec)
158
159	root	1.7	# apparently, True64 uses st_u[amc]time, aix uses at_[amc]time_n and apple uses st_[amc,birth]timespec?
160
161	root	1.1	AC_OUTPUT
162	root	1.6