libeio/libeio.m4

dnl openbsd in its neverending brokenness requires stdint.h for intptr_t,
dnl but that header isn't very portable...
AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h])

AC_SEARCH_LIBS(
   pthread_create,
   [pthread pthreads pthreadVC2],
   ,
   [AC_MSG_ERROR(pthread functions not found)]
)

AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <sys/time.h>
#include <utime.h>
struct timeval tv[2];
int res;
int main (void)
{
   res = utimes ("/", tv);
   return 0;
}
]])],ac_cv_utimes=yes,ac_cv_utimes=no)])
test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available)

AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <sys/types.h>
#include <sys/time.h>
#include <utime.h>
struct timeval tv[2];
int res;
int fd;
int main (void)
{
   res = futimes (fd, tv);
   return 0;
}
]])],ac_cv_futimes=yes,ac_cv_futimes=no)])
test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available)

AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <fcntl.h>
int main (void)
{
   int fd = 0;
   size_t count = 2;
   ssize_t res;
   res = readahead (fd, 0, count);
   return 0;
}
])],ac_cv_readahead=yes,ac_cv_readahead=no)])
test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux))

AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <unistd.h>
int main (void)
{
   int fd = 0;
   fdatasync (fd);
   return 0;
}
])],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)])
test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available)

AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([AC_LANG_SOURCE([
# include <sys/types.h>
#if __linux
# include <sys/sendfile.h>
#elif __FreeBSD__ || defined __APPLE__
# include <sys/socket.h>
# include <sys/uio.h>
#elif __hpux
# include <sys/socket.h>
#else
# error unsupported architecture
#endif
int main (void)
{
   int fd = 0;
   off_t offset = 1;
   size_t count = 2;
   ssize_t res;
#if __linux
   res = sendfile (fd, fd, &offset, count);
#elif __FreeBSD__
   res = sendfile (fd, fd, offset, count, 0, &offset, 0);
#elif __hpux
   res = sendfile (fd, fd, offset, count, 0, 0);
#endif
   return 0;
}
])],ac_cv_sendfile=yes,ac_cv_sendfile=no)])
test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported)

AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <fcntl.h>
int main (void)
{
   int fd = 0;
   off64_t offset = 1;
   off64_t nbytes = 1;
   unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER;
   ssize_t res;
   res = sync_file_range (fd, offset, nbytes, flags);
   return 0;
}
])],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)])
test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available)

AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <fcntl.h>
int main (void)
{
   int fd = 0;
   int mode = 0;
   off_t offset = 1;
   off_t len = 1;
   int res;
   res = fallocate (fd, mode, offset, len);
   return 0;
}
])],ac_cv_linux_fallocate=yes,ac_cv_linux_fallocate=no)])
test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_FALLOCATE, 1, fallocate(2) is available)

AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <unistd.h>
#include <sys/syscall.h>
int main (void)
{
  int res = syscall (__NR_syncfs, (int)0);
}
])],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)])
test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available)

AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([
#include <sys/prctl.h>
int main (void)
{
  char *name = "test123";
  int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0);
}
])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)])
test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available)

AC_CACHE_CHECK(for posix_close, ac_cv_posix_close, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
int res;
int main (void)
{
   res = posix_close (0, 0); /* we do not need any flags */
   return 0;
}
]])],ac_cv_posix_close=yes,ac_cv_posix_close=no)])
test $ac_cv_posix_close = yes && AC_DEFINE(HAVE_POSIX_CLOSE, 1, posix_close(2) is available)

AC_CACHE_CHECK(for renameat2, ac_cv_renameat2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
#include <unistd.h>
#include <sys/syscall.h>
#include <linux/fs.h>
int res;
int main (void)
{
   res = syscall (SYS_renameat2, 0, 0, 0, 0, RENAME_EXCHANGE | RENAME_NOREPLACE);
   return 0;
}
]])],ac_cv_renameat2=yes,ac_cv_renameat2=no)])
test $ac_cv_renameat2 = yes && AC_DEFINE(HAVE_RENAMEAT2, 1, renameat2(2) is available)

Revision:	1.32
Committed:	Sun Aug 12 04:15:05 2018 UTC (5 years, 9 months ago) by root
Branch:	MAIN
CVS Tags:	rel-4_6, rel-4_7, rel-4_52, rel-4_53, rel-4_51, rel-4_54
Changes since 1.31:	+5 -122 lines
Log Message:	remove IO::AIO traces from configure, hopefully
#	User	Rev	Content
1	root	1.32	dnl openbsd in its neverending brokenness requires stdint.h for intptr_t,
2	root	1.13	dnl but that header isn't very portable...
3	root	1.17	AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h])
4	root	1.13
5	root	1.2	AC_SEARCH_LIBS(
6			pthread_create,
7			[pthread pthreads pthreadVC2],
8			,
9			[AC_MSG_ERROR(pthread functions not found)]
10			)
11
12	root	1.22	AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
13	root	1.11	#include <sys/types.h>
14			#include <sys/time.h>
15			#include <utime.h>
16			struct timeval tv[2];
17			int res;
18			int main (void)
19			{
20			res = utimes ("/", tv);
21			return 0;
22			}
23	root	1.22	]])],ac_cv_utimes=yes,ac_cv_utimes=no)])
24	root	1.11	test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available)
25
26	root	1.22	AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
27	root	1.1	#include <sys/types.h>
28			#include <sys/time.h>
29			#include <utime.h>
30			struct timeval tv[2];
31			int res;
32			int fd;
33	root	1.10	int main (void)
34	root	1.1	{
35			res = futimes (fd, tv);
36			return 0;
37			}
38	root	1.22	]])],ac_cv_futimes=yes,ac_cv_futimes=no)])
39	root	1.1	test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available)
40
41	root	1.21	AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([AC_LANG_SOURCE([
42	root	1.1	#include <fcntl.h>
43	root	1.10	int main (void)
44	root	1.1	{
45			int fd = 0;
46			size_t count = 2;
47			ssize_t res;
48	root	1.5	res = readahead (fd, 0, count);
49	root	1.1	return 0;
50			}
51	root	1.21	])],ac_cv_readahead=yes,ac_cv_readahead=no)])
52	root	1.1	test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux))
53
54	root	1.21	AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([AC_LANG_SOURCE([
55	root	1.1	#include <unistd.h>
56	root	1.10	int main (void)
57	root	1.1	{
58			int fd = 0;
59			fdatasync (fd);
60			return 0;
61			}
62	root	1.21	])],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)])
63	root	1.1	test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available)
64
65	root	1.21	AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([AC_LANG_SOURCE([
66	root	1.1	# include <sys/types.h>
67			#if __linux
68			# include <sys/sendfile.h>
69	root	1.9	#elif __FreeBSD__ \|\| defined __APPLE__
70	root	1.1	# include <sys/socket.h>
71			# include <sys/uio.h>
72			#elif __hpux
73			# include <sys/socket.h>
74			#else
75			# error unsupported architecture
76			#endif
77	root	1.10	int main (void)
78	root	1.1	{
79			int fd = 0;
80			off_t offset = 1;
81			size_t count = 2;
82			ssize_t res;
83			#if __linux
84	root	1.24	res = sendfile (fd, fd, &offset, count);
85	root	1.9	#elif __FreeBSD__
86	root	1.1	res = sendfile (fd, fd, offset, count, 0, &offset, 0);
87			#elif __hpux
88			res = sendfile (fd, fd, offset, count, 0, 0);
89			#endif
90			return 0;
91			}
92	root	1.21	])],ac_cv_sendfile=yes,ac_cv_sendfile=no)])
93	root	1.1	test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported)
94
95	root	1.21	AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([
96	root	1.7	#include <fcntl.h>
97	root	1.10	int main (void)
98	root	1.7	{
99			int fd = 0;
100			off64_t offset = 1;
101			off64_t nbytes = 1;
102			unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE\|SYNC_FILE_RANGE_WRITE\|SYNC_FILE_RANGE_WAIT_AFTER;
103			ssize_t res;
104			res = sync_file_range (fd, offset, nbytes, flags);
105			return 0;
106			}
107	root	1.21	])],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)])
108	root	1.7	test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available)
109
110	root	1.21	AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([AC_LANG_SOURCE([
111	root	1.14	#include <fcntl.h>
112			int main (void)
113			{
114			int fd = 0;
115	root	1.15	int mode = 0;
116	root	1.14	off_t offset = 1;
117			off_t len = 1;
118			int res;
119			res = fallocate (fd, mode, offset, len);
120			return 0;
121			}
122	root	1.21	])],ac_cv_linux_fallocate=yes,ac_cv_linux_fallocate=no)])
123	root	1.18	test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_FALLOCATE, 1, fallocate(2) is available)
124	root	1.14
125	root	1.21	AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([AC_LANG_SOURCE([
126	root	1.16	#include <unistd.h>
127			#include <sys/syscall.h>
128			int main (void)
129			{
130			int res = syscall (__NR_syncfs, (int)0);
131			}
132	root	1.21	])],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)])
133	root	1.16	test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available)
134
135	root	1.21	AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([
136	root	1.17	#include <sys/prctl.h>
137			int main (void)
138			{
139	root	1.24	char *name = "test123";
140	root	1.17	int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0);
141			}
142	root	1.21	])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)])
143	root	1.17	test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available)
144
145	root	1.32	AC_CACHE_CHECK(for posix_close, ac_cv_posix_close, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
146	root	1.23	#include <unistd.h>
147			int res;
148			int main (void)
149			{
150	root	1.32	res = posix_close (0, 0); /* we do not need any flags */
151	root	1.23	return 0;
152			}
153	root	1.32	]])],ac_cv_posix_close=yes,ac_cv_posix_close=no)])
154			test $ac_cv_posix_close = yes && AC_DEFINE(HAVE_POSIX_CLOSE, 1, posix_close(2) is available)
155	root	1.31
156	root	1.24	AC_CACHE_CHECK(for renameat2, ac_cv_renameat2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[
157			#include <unistd.h>
158			#include <sys/syscall.h>
159			#include <linux/fs.h>
160			int res;
161			int main (void)
162			{
163			res = syscall (SYS_renameat2, 0, 0, 0, 0, RENAME_EXCHANGE \| RENAME_NOREPLACE);
164			return 0;
165			}
166			]])],ac_cv_renameat2=yes,ac_cv_renameat2=no)])
167			test $ac_cv_renameat2 = yes && AC_DEFINE(HAVE_RENAMEAT2, 1, renameat2(2) is available)
168