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1 | dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t, |
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2 | dnl but that header isn't very portable... |
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3 | AC_CHECK_HEADERS([stdint.h sys/syscall.h]) |
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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)] |
| … | |
… | |
| 117 | return 0; |
121 | return 0; |
| 118 | } |
122 | } |
| 119 | ],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)]) |
| 120 | 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) |
| 121 | |
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 | |
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151 | dnl ############################################################################# |
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152 | dnl # these checks exist for the benefit of IO::AIO |
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153 | |
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154 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
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155 | dnl functionality actually being present. ugh. |
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156 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ |
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157 | #include <sys/mman.h> |
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158 | int main (void) |
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159 | { |
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160 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
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161 | int a = POSIX_MADV_SEQUENTIAL; |
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162 | int b = POSIX_MADV_RANDOM; |
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163 | int c = POSIX_MADV_WILLNEED; |
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164 | int d = POSIX_MADV_DONTNEED; |
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165 | return 0; |
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166 | } |
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167 | ],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
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168 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
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169 | |
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170 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ |
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171 | #define _XOPEN_SOURCE 600 |
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172 | #include <fcntl.h> |
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173 | int main (void) |
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174 | { |
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175 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
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176 | int a = POSIX_FADV_SEQUENTIAL; |
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177 | int b = POSIX_FADV_NOREUSE; |
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178 | int c = POSIX_FADV_RANDOM; |
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179 | int d = POSIX_FADV_WILLNEED; |
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180 | int e = POSIX_FADV_DONTNEED; |
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181 | return 0; |
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182 | } |
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183 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
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184 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
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185 | |
