m4/package_libcdev.m4

   1 #
   2 # Check if we have a working fadvise system call
   3 #
   4 AC_DEFUN([AC_HAVE_FADVISE],
   5   [ AC_MSG_CHECKING([for fadvise ])
   6     AC_TRY_COMPILE([
   7 #define _GNU_SOURCE
   8 #define _FILE_OFFSET_BITS 64
   9 #include <fcntl.h>
  10     ], [
  11         posix_fadvise(0, 1, 0, POSIX_FADV_NORMAL);
  12     ],  have_fadvise=yes
  13         AC_MSG_RESULT(yes),
  14         AC_MSG_RESULT(no))
  15     AC_SUBST(have_fadvise)
  16   ])
  17
  18 #
  19 # Check if we have a working madvise system call
  20 #
  21 AC_DEFUN([AC_HAVE_MADVISE],
  22   [ AC_MSG_CHECKING([for madvise ])
  23     AC_TRY_COMPILE([
  24 #define _GNU_SOURCE
  25 #define _FILE_OFFSET_BITS 64
  26 #include <sys/mman.h>
  27     ], [
  28         posix_madvise(0, 0, MADV_NORMAL);
  29     ],  have_madvise=yes
  30         AC_MSG_RESULT(yes),
  31         AC_MSG_RESULT(no))
  32     AC_SUBST(have_madvise)
  33   ])
  34
  35 #
  36 # Check if we have a working mincore system call
  37 #
  38 AC_DEFUN([AC_HAVE_MINCORE],
  39   [ AC_MSG_CHECKING([for mincore ])
  40     AC_TRY_COMPILE([
  41 #define _GNU_SOURCE
  42 #define _FILE_OFFSET_BITS 64
  43 #include <sys/mman.h>
  44     ], [
  45         mincore(0, 0, 0);
  46     ],  have_mincore=yes
  47         AC_MSG_RESULT(yes),
  48         AC_MSG_RESULT(no))
  49     AC_SUBST(have_mincore)
  50   ])
  51
  52 #
  53 # Check if we have a working sendfile system call
  54 #
  55 AC_DEFUN([AC_HAVE_SENDFILE],
  56   [ AC_MSG_CHECKING([for sendfile ])
  57     AC_TRY_COMPILE([
  58 #define _GNU_SOURCE
  59 #define _FILE_OFFSET_BITS 64
  60 #include <sys/sendfile.h>
  61     ], [
  62          sendfile(0, 0, 0, 0);
  63     ],  have_sendfile=yes
  64         AC_MSG_RESULT(yes),
  65         AC_MSG_RESULT(no))
  66     AC_SUBST(have_sendfile)
  67   ])
  68
  69 #
  70 # Check if we have a getmntent libc call (IRIX, Linux)
  71 #
  72 AC_DEFUN([AC_HAVE_GETMNTENT],
  73   [ AC_MSG_CHECKING([for getmntent ])
  74     AC_TRY_COMPILE([
  75 #include <stdio.h>
  76 #include <mntent.h>
  77     ], [
  78          getmntent(0);
  79     ], have_getmntent=yes
  80        AC_MSG_RESULT(yes),
  81        AC_MSG_RESULT(no))
  82     AC_SUBST(have_getmntent)
  83   ])
  84
  85 #
  86 # Check if we have a getmntinfo libc call (FreeBSD, Mac OS X)
  87 #
  88 AC_DEFUN([AC_HAVE_GETMNTINFO],
  89   [ AC_MSG_CHECKING([for getmntinfo ])
  90     AC_TRY_COMPILE([
  91 #include <sys/param.h>
  92 #include <sys/ucred.h>
  93 #include <sys/mount.h>
  94     ], [
  95          getmntinfo(0, 0);
  96     ], have_getmntinfo=yes
  97        AC_MSG_RESULT(yes),
  98        AC_MSG_RESULT(no))
  99     AC_SUBST(have_getmntinfo)
 100   ])
 101
 102 #
 103 # Check if we have a fallocate libc call (Linux)
 104 #
 105 AC_DEFUN([AC_HAVE_FALLOCATE],
 106   [ AC_MSG_CHECKING([for fallocate])
 107     AC_TRY_LINK([
 108 #define _GNU_SOURCE
 109 #define _FILE_OFFSET_BITS 64
 110 #include <fcntl.h>
 111 #include <linux/falloc.h>
 112     ], [
 113          fallocate(0, 0, 0, 0);
 114     ], have_fallocate=yes
 115        AC_MSG_RESULT(yes),
 116        AC_MSG_RESULT(no))
 117     AC_SUBST(have_fallocate)
 118   ])
 119
 120 #
 121 # Check if we have the fiemap ioctl (Linux)
 122 #
 123 AC_DEFUN([AC_HAVE_FIEMAP],
 124   [ AC_MSG_CHECKING([for fiemap])
 125     AC_TRY_LINK([
 126 #define _GNU_SOURCE
 127 #define _FILE_OFFSET_BITS 64
 128 #include <linux/fs.h>
 129 #include <linux/fiemap.h>
 130     ], [
 131          struct fiemap *fiemap;
 132          ioctl(0, FS_IOC_FIEMAP, (unsigned long)fiemap);
 133     ], have_fiemap=yes
 134        AC_MSG_RESULT(yes),
 135        AC_MSG_RESULT(no))
 136     AC_SUBST(have_fiemap)
 137   ])
 138
 139 #
 140 # Check if we have a preadv libc call (Linux)
 141 #
 142 AC_DEFUN([AC_HAVE_PREADV],
 143   [ AC_MSG_CHECKING([for preadv])
 144     AC_TRY_LINK([
 145 #define _FILE_OFFSET_BITS 64
 146 #define _BSD_SOURCE
 147 #include <sys/uio.h>
 148     ], [
 149          preadv(0, 0, 0, 0);
 150     ], have_preadv=yes
 151        AC_MSG_RESULT(yes),
 152        AC_MSG_RESULT(no))
 153     AC_SUBST(have_preadv)
 154   ])
 155
 156 #
 157 # Check if we have a sync_file_range libc call (Linux)
 158 #
 159 AC_DEFUN([AC_HAVE_SYNC_FILE_RANGE],
 160   [ AC_MSG_CHECKING([for sync_file_range])
 161     AC_TRY_LINK([
 162 #define _GNU_SOURCE
 163 #define _FILE_OFFSET_BITS 64
 164 #include <fcntl.h>
 165     ], [
 166          sync_file_range(0, 0, 0, 0);
 167     ], have_sync_file_range=yes
 168        AC_MSG_RESULT(yes),
 169        AC_MSG_RESULT(no))
 170     AC_SUBST(have_sync_file_range)
 171   ])
 172