|
|
1 | dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t, |
|
|
2 | dnl but that header isn't very portable... |
|
|
3 | AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h]) |
|
|
4 | |
1 | AC_SEARCH_LIBS( |
5 | AC_SEARCH_LIBS( |
2 | pthread_create, |
6 | pthread_create, |
3 | [pthread pthreads pthreadVC2], |
7 | [pthread pthreads pthreadVC2], |
4 | , |
8 | , |
5 | [AC_MSG_ERROR(pthread functions not found)] |
9 | [AC_MSG_ERROR(pthread functions not found)] |
… | |
… | |
56 | return 0; |
60 | return 0; |
57 | } |
61 | } |
58 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
62 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
59 | test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
63 | test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
60 | |
64 | |
61 | AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
|
|
62 | #include <unistd.h> |
|
|
63 | int main (void) |
|
|
64 | { |
|
|
65 | int fd = 0; |
|
|
66 | size_t count = 1; |
|
|
67 | char buf; |
|
|
68 | off_t offset = 1; |
|
|
69 | ssize_t res; |
|
|
70 | res = pread (fd, &buf, count, offset); |
|
|
71 | res = pwrite (fd, &buf, count, offset); |
|
|
72 | return 0; |
|
|
73 | } |
|
|
74 | ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
|
|
75 | test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
|
|
76 | |
|
|
77 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
65 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
78 | # include <sys/types.h> |
66 | # include <sys/types.h> |
79 | #if __linux |
67 | #if __linux |
80 | # include <sys/sendfile.h> |
68 | # include <sys/sendfile.h> |
81 | #elif __FreeBSD__ || defined __APPLE__ |
69 | #elif __FreeBSD__ || defined __APPLE__ |
… | |
… | |
117 | return 0; |
105 | return 0; |
118 | } |
106 | } |
119 | ],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
107 | ],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
120 | test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
108 | test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
121 | |
109 | |
|
|
110 | AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([ |
|
|
111 | #include <fcntl.h> |
|
|
112 | int main (void) |
|
|
113 | { |
|
|
114 | int fd = 0; |
|
|
115 | int mode = 0; |
|
|
116 | off_t offset = 1; |
|
|
117 | off_t len = 1; |
|
|
118 | int res; |
|
|
119 | res = fallocate (fd, mode, offset, len); |
|
|
120 | return 0; |
|
|
121 | } |
|
|
122 | ],ac_cv_linux_fallocate=yes,ac_cv_linux_fallocate=no)]) |
|
|
123 | test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_FALLOCATE, 1, fallocate(2) is available) |
|
|
124 | |
|
|
125 | AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([ |
|
|
126 | #include <unistd.h> |
|
|
127 | #include <sys/syscall.h> |
|
|
128 | int main (void) |
|
|
129 | { |
|
|
130 | int res = syscall (__NR_syncfs, (int)0); |
|
|
131 | } |
|
|
132 | ],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)]) |
|
|
133 | test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available) |
|
|
134 | |
|
|
135 | AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([ |
|
|
136 | #include <sys/prctl.h> |
|
|
137 | int main (void) |
|
|
138 | { |
|
|
139 | char name[] = "test123"; |
|
|
140 | int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); |
|
|
141 | } |
|
|
142 | ],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) |
|
|
143 | test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) |
|
|
144 | |
122 | dnl ############################################################################# |
145 | dnl ############################################################################# |
123 | dnl # these checks exist for the benefit of IO::AIO |
146 | dnl # these checks exist for the benefit of IO::AIO |
124 | |
147 | |
125 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
148 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
126 | dnl functionality actually being present. ugh. |
149 | dnl functionality actually being present. ugh. |
… | |
… | |
152 | return 0; |
175 | return 0; |
153 | } |
176 | } |
154 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
177 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
155 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
178 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
156 | |
179 | |
|
|
180 | dnl lots of linux specifics |
|
|
181 | AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h]) |
|
|
182 | |
|
|
183 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([ |
|
|
184 | #include <fcntl.h> |
|
|
185 | int main (void) |
|
|
186 | { |
|
|
187 | ssize_t res; |
|
|
188 | res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE); |
|
|
189 | res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); |
|
|
190 | res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); |
|
|
191 | return 0; |
|
|
192 | } |
|
|
193 | ],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
|
|
194 | test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
|
|
195 | |