| 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]) |
| 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 | |
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126 | AC_CACHE_CHECK(for fallocate, ac_cv_fallocate, [AC_LINK_IFELSE([ |
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127 | #include <fcntl.h> |
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128 | int main (void) |
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129 | { |
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130 | int fd = 0; |
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131 | int mode = 0; |
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132 | off_t offset = 1; |
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133 | off_t len = 1; |
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134 | int res; |
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135 | res = fallocate (fd, mode, offset, len); |
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136 | return 0; |
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137 | } |
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138 | ],ac_cv_fallocate=yes,ac_cv_fallocate=no)]) |
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139 | test $ac_cv_fallocate = yes && AC_DEFINE(HAVE_FALLOCATE, 1, fallocate(2) is available) |
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140 | |
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141 | AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([ |
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142 | #include <unistd.h> |
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143 | #include <sys/syscall.h> |
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144 | int main (void) |
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145 | { |
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146 | int res = syscall (__NR_syncfs, (int)0); |
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147 | } |
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148 | ],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)]) |
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149 | test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available) |
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150 | |
| 126 | dnl ############################################################################# |
151 | dnl ############################################################################# |
| 127 | dnl # these checks exist for the benefit of IO::AIO |
152 | dnl # these checks exist for the benefit of IO::AIO |
| 128 | |
153 | |
| 129 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
154 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
| 130 | dnl functionality actually being present. ugh. |
155 | dnl functionality actually being present. ugh. |
