git.m6w6.name Git - awesomized/libmemcached/blob - m4/pandora_have_libaio.m4

   1 dnl  Copyright (C) 2011 Andrew Hutchings
   2 dnl This file is free software; Sun Microsystems, Inc.
   3 dnl gives unlimited permission to copy and/or distribute it,
   4 dnl with or without modifications, as long as this notice is preserved.
   5
   6 #--------------------------------------------------------------------
   7 # Check for libaio
   8 #--------------------------------------------------------------------
   9
  10
  11 AC_DEFUN([_PANDORA_SEARCH_LIBAIO],[
  12   AC_REQUIRE([AC_LIB_PREFIX])
  13
  14   AC_CHECK_HEADERS(libaio.h)
  15   AC_LIB_HAVE_LINKFLAGS(aio,,
  16   [
  17     #include <libaio.h>
  18   ],
  19   [
  20     int aio_cmd= IO_CMD_PREAD;
  21   ])
  22
  23   AM_CONDITIONAL(HAVE_LIBAIO, [test "x${ac_cv_libaio}" = "xyes"])
  24
  25   AS_IF([test "x${ac_cv_libaio}" = "xyes"],[
  26     AC_DEFINE([LINUX_NATIVE_AIO], [1], [Enabel libaio support in InnoDB])
  27   ])
  28 ])
  29
  30 AC_DEFUN([_PANDORA_HAVE_LIBAIO],[
  31
  32   AC_ARG_ENABLE([libaio],
  33     [AS_HELP_STRING([--disable-libaio],
  34       [Build with libaio support @<:@default=on@:>@])],
  35     [ac_enable_libaio="$enableval"],
  36     [ac_enable_libaio="yes"])
  37
  38   _PANDORA_SEARCH_LIBAIO
  39 ])
  40
  41
  42 AC_DEFUN([PANDORA_HAVE_LIBAIO],[
  43   AC_REQUIRE([_PANDORA_HAVE_LIBAIO])
  44 ])
  45
  46 AC_DEFUN([_PANDORA_REQUIRE_LIBAIO],[
  47   ac_enable_libaio="yes"
  48   _PANDORA_SEARCH_LIBAIO
  49   AS_IF([test "x$ac_cv_header_libaio_h" = "xno"],[
  50     AC_MSG_ERROR([Couldn't find libaio.h. On Debian this can be found in libaio-dev. On Redhat this can be found in libaio-devel.])
  51   ])
  52 ])
  53
  54 AC_DEFUN([PANDORA_REQUIRE_LIBAIO],[
  55   AC_REQUIRE([_PANDORA_REQUIRE_LIBAIO])
  56 ])