| 1 | AC_INIT |
1 | AC_INIT |
| 2 | AC_CONFIG_SRCDIR([libeio/eio.h]) |
2 | AC_CONFIG_SRCDIR([libeio/eio.h]) |
| 3 | AC_CONFIG_HEADERS([libeio/config.h]) |
3 | AC_CONFIG_HEADERS([config.h]) |
| 4 | |
4 | |
| 5 | AC_PREREQ(2.60) |
5 | AC_PREREQ(2.60) |
| 6 | AC_USE_SYSTEM_EXTENSIONS |
6 | AC_USE_SYSTEM_EXTENSIONS |
| 7 | |
7 | |
| 8 | AC_PROG_CC |
8 | AC_PROG_CC |
| 9 | |
9 | |
| 10 | m4_include([libeio/libeio.m4]) |
10 | m4_include([libeio/libeio.m4]) |
| 11 | |
11 | |
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12 | # for these to work, you need to run autoheader in IO::AIO, not libeio :( |
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13 | |
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14 | AC_CACHE_CHECK(for set/getrlimit, ac_cv_rlimits, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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15 | #include <sys/time.h> |
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16 | #include <sys/resource.h> |
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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 | struct rlimit srl; |
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21 | srl.rlim_cur = srl.rlim_max = RLIM_INFINITY; |
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22 | res = getrlimit (RLIMIT_NOFILE, &srl); |
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23 | res = setrlimit (RLIMIT_NOFILE, &srl); |
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24 | return 0; |
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25 | } |
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26 | ]])],ac_cv_rlimits=yes,ac_cv_rlimits=no)]) |
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27 | test $ac_cv_rlimits = yes && AC_DEFINE(HAVE_RLIMITS, 1, setrlimit/getrlimit is available) |
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28 | |
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29 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
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30 | dnl functionality actually being present. ugh. |
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31 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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32 | #include <sys/mman.h> |
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33 | int main (void) |
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34 | { |
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35 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
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36 | int a = POSIX_MADV_SEQUENTIAL; |
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37 | int b = POSIX_MADV_RANDOM; |
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38 | int c = POSIX_MADV_WILLNEED; |
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39 | int d = POSIX_MADV_DONTNEED; |
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40 | return 0; |
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41 | } |
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42 | ])],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
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43 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
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44 | |
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45 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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46 | #define _XOPEN_SOURCE 600 |
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47 | #include <fcntl.h> |
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48 | int main (void) |
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49 | { |
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50 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
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51 | int a = POSIX_FADV_SEQUENTIAL; |
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52 | int b = POSIX_FADV_NOREUSE; |
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53 | int c = POSIX_FADV_RANDOM; |
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54 | int d = POSIX_FADV_WILLNEED; |
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55 | int e = POSIX_FADV_DONTNEED; |
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56 | return 0; |
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57 | } |
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58 | ])],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
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59 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
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60 | |
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61 | dnl lots of linux specifics |
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62 | AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h]) |
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63 | |
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64 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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65 | #include <fcntl.h> |
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66 | int main (void) |
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67 | { |
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68 | ssize_t res; |
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69 | 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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70 | res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); |
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71 | res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); |
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72 | return 0; |
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73 | } |
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74 | ])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
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75 | test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
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76 | |
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77 | AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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78 | #include <fcntl.h> |
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79 | #include <unistd.h> |
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80 | int res; |
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81 | int main (void) |
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82 | { |
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83 | res = pipe2 (0, 0); |
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84 | return 0; |
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85 | } |
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86 | ]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)]) |
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87 | test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available) |
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88 | |
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89 | AC_CACHE_CHECK(for eventfd, ac_cv_eventfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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90 | #include <sys/eventfd.h> |
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91 | int res; |
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92 | int main (void) |
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93 | { |
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94 | res = eventfd (1, EFD_CLOEXEC | EFD_NONBLOCK); |
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95 | return 0; |
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96 | } |
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97 | ]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)]) |
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98 | test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available) |
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99 | |
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100 | AC_CACHE_CHECK(for timerfd, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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101 | #include <sys/timerfd.h> |
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102 | int res; |
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103 | int main (void) |
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104 | { |
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105 | struct itimerspec its; |
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106 | res = timerfd_create (CLOCK_REALTIME, TFD_CLOEXEC | TFD_NONBLOCK); |
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107 | res = timerfd_settime (res, TFD_TIMER_ABSTIME /*| TFD_TIMER_CANCEL_ON_SET*/, &its, 0); |
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108 | res = timerfd_gettime (res, &its); |
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109 | return 0; |
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110 | } |
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111 | ]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)]) |
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112 | test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available) |
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113 | |
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114 | AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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115 | #include <unistd.h> |
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116 | #include <sys/syscall.h> |
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117 | /*#include <linux/copy.h>*/ |
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118 | int res; |
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119 | int main (void) |
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120 | { |
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121 | /*res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK | COPY_FR_DEDUP | COPY_FR_COPY);*/ |
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122 | res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0); |
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123 | return 0; |
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124 | } |
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125 | ]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)]) |
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126 | test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available) |
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127 | |
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128 | AC_CACHE_CHECK(for st_xtimensec, ac_cv_xtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
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129 | #include "EXTERN.h" |
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130 | #include "perl.h" |
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131 | #include "XSUB.h" |
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132 | |
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133 | int res; |
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134 | int main (void) |
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135 | { |
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136 | return PL_statcache.st_atimensec |
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137 | + PL_statcache.st_mtimensec |
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138 | + PL_statcache.st_ctimensec; |
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139 | return 0; |
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140 | } |
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141 | ]])],ac_cv_xtimensec=yes,ac_cv_xtimensec=no)]) |
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142 | test $ac_cv_xtimensec = yes && AC_DEFINE(HAVE_ST_XTIMENSEC, 1, stat nanosecond access by st_xtimensec) |
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143 | |
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144 | AC_CACHE_CHECK(for st_xtimespec, ac_cv_xtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
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145 | #include "EXTERN.h" |
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146 | #include "perl.h" |
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147 | #include "XSUB.h" |
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148 | |
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149 | int res; |
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150 | int main (void) |
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151 | { |
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152 | return PL_statcache.st_atim.tv_nsec |
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153 | + PL_statcache.st_mtim.tv_nsec |
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154 | + PL_statcache.st_ctim.tv_nsec; |
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155 | } |
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156 | ]])],ac_cv_xtimespec=yes,ac_cv_xtimespec=no)]) |
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157 | test $ac_cv_xtimespec = yes && AC_DEFINE(HAVE_ST_XTIMESPEC, 1, stat nanosecond access by st_xtimespec) |
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158 | |
| 12 | AC_OUTPUT |
159 | AC_OUTPUT |
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160 | |
