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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 sys/prctl.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)] |
| 6 | ) |
10 | ) |
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11 | |
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12 | AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([[ |
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13 | #include <sys/types.h> |
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14 | #include <sys/time.h> |
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15 | #include <utime.h> |
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16 | struct timeval tv[2]; |
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17 | int res; |
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18 | int main (void) |
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19 | { |
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20 | res = utimes ("/", tv); |
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21 | return 0; |
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22 | } |
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23 | ]],ac_cv_utimes=yes,ac_cv_utimes=no)]) |
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24 | test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) |
| 7 | |
25 | |
| 8 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
26 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
| 9 | #include <sys/types.h> |
27 | #include <sys/types.h> |
| 10 | #include <sys/time.h> |
28 | #include <sys/time.h> |
| 11 | #include <utime.h> |
29 | #include <utime.h> |
| … | |
… | |
| 103 | return 0; |
121 | return 0; |
| 104 | } |
122 | } |
| 105 | ],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)]) |
| 106 | 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) |
| 107 | |
125 | |
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126 | AC_CACHE_CHECK(for fallocate, ac_cv_linux_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_linux_fallocate=yes,ac_cv_linux_fallocate=no)]) |
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139 | test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_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 | AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([ |
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152 | #include <sys/prctl.h> |
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153 | int main (void) |
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154 | { |
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155 | char name[] = "test123"; |
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156 | int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); |
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157 | } |
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158 | ],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) |
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159 | test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) |
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160 | |
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161 | dnl ############################################################################# |
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162 | dnl # these checks exist for the benefit of IO::AIO |
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163 | |
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164 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
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165 | dnl functionality actually being present. ugh. |
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166 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ |
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167 | #include <sys/mman.h> |
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168 | int main (void) |
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169 | { |
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170 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
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171 | int a = POSIX_MADV_SEQUENTIAL; |
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172 | int b = POSIX_MADV_RANDOM; |
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173 | int c = POSIX_MADV_WILLNEED; |
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174 | int d = POSIX_MADV_DONTNEED; |
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175 | return 0; |
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176 | } |
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177 | ],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
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178 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
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179 | |
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180 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ |
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181 | #define _XOPEN_SOURCE 600 |
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182 | #include <fcntl.h> |
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183 | int main (void) |
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184 | { |
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185 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
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186 | int a = POSIX_FADV_SEQUENTIAL; |
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187 | int b = POSIX_FADV_NOREUSE; |
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188 | int c = POSIX_FADV_RANDOM; |
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189 | int d = POSIX_FADV_WILLNEED; |
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190 | int e = POSIX_FADV_DONTNEED; |
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191 | return 0; |
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192 | } |
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193 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
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194 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
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195 | |
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196 | dnl lots of linux specifics |
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197 | AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h]) |
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198 | |
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199 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([ |
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200 | #include <fcntl.h> |
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201 | int main (void) |
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202 | { |
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203 | ssize_t res; |
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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); |
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205 | res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); |
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206 | res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); |
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207 | return 0; |
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208 | } |
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209 | ],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
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210 | test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
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211 | |
