| 1 | dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t, |
1 | dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t, |
| 2 | dnl but that header isn't very portable... |
2 | dnl but that header isn't very portable... |
| 3 | AC_CHECK_HEADERS([stdint.h]) |
3 | AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h]) |
| 4 | |
4 | |
| 5 | AC_SEARCH_LIBS( |
5 | AC_SEARCH_LIBS( |
| 6 | pthread_create, |
6 | pthread_create, |
| 7 | [pthread pthreads pthreadVC2], |
7 | [pthread pthreads pthreadVC2], |
| 8 | , |
8 | , |
| … | |
… | |
| 121 | return 0; |
121 | return 0; |
| 122 | } |
122 | } |
| 123 | ],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
123 | ],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
| 124 | test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
124 | test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
| 125 | |
125 | |
|
|
126 | AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([ |
|
|
127 | #include <fcntl.h> |
|
|
128 | int main (void) |
|
|
129 | { |
|
|
130 | int fd = 0; |
|
|
131 | int mode = 0; |
|
|
132 | off_t offset = 1; |
|
|
133 | off_t len = 1; |
|
|
134 | int res; |
|
|
135 | res = fallocate (fd, mode, offset, len); |
|
|
136 | return 0; |
|
|
137 | } |
|
|
138 | ],ac_cv_linux_fallocate=yes,ac_cv_linux_fallocate=no)]) |
|
|
139 | test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_FALLOCATE, 1, fallocate(2) is available) |
|
|
140 | |
|
|
141 | AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([ |
|
|
142 | #include <unistd.h> |
|
|
143 | #include <sys/syscall.h> |
|
|
144 | int main (void) |
|
|
145 | { |
|
|
146 | int res = syscall (__NR_syncfs, (int)0); |
|
|
147 | } |
|
|
148 | ],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)]) |
|
|
149 | test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available) |
|
|
150 | |
|
|
151 | AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([ |
|
|
152 | #include <sys/prctl.h> |
|
|
153 | int main (void) |
|
|
154 | { |
|
|
155 | char name[] = "test123"; |
|
|
156 | int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); |
|
|
157 | } |
|
|
158 | ],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) |
|
|
159 | test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) |
|
|
160 | |
| 126 | dnl ############################################################################# |
161 | dnl ############################################################################# |
| 127 | dnl # these checks exist for the benefit of IO::AIO |
162 | dnl # these checks exist for the benefit of IO::AIO |
| 128 | |
163 | |
| 129 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
164 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
| 130 | dnl functionality actually being present. ugh. |
165 | dnl functionality actually being present. ugh. |
| … | |
… | |
| 156 | return 0; |
191 | return 0; |
| 157 | } |
192 | } |
| 158 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
193 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
| 159 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
194 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
| 160 | |
195 | |
|
|
196 | dnl lots of linux specifics |
|
|
197 | AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h]) |
|
|
198 | |
|
|
199 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([ |
|
|
200 | #include <fcntl.h> |
|
|
201 | int main (void) |
|
|
202 | { |
|
|
203 | ssize_t res; |
|
|
204 | res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE); |
|
|
205 | res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); |
|
|
206 | res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); |
|
|
207 | return 0; |
|
|
208 | } |
|
|
209 | ],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
|
|
210 | test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
|
|
211 | |
