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

   1 # ===========================================================================
   2 # http://
   3 # ===========================================================================
   4 #
   5 # SYNOPSIS
   6 #
   7 #   AX_LIB_UUID
   8 #
   9 # DESCRIPTION
  10 #
  11 #   Check for uuid, and uuid_generate_time_safe support.
  12 #
  13 # LICENSE
  14 #
  15 #   Copyright (c) 2012 Brian Aker <brian@tangent.org>
  16 #
  17 #   Copying and distribution of this file, with or without modification, are
  18 #   permitted in any medium without royalty provided the copyright notice
  19 #   and this notice are preserved. This file is offered as-is, without any
  20 #   warranty.
  21
  22 #serial 2
  23
  24 AC_DEFUN([AX_UUID_GENERATE_TIME_SAFE], [
  25     AC_CACHE_CHECK([check for uuid_generate_time_safe], [ax_cv_uuid_generate_time_safe], [
  26       save_LDFLAGS="$LDFLAGS"
  27       LDFLAGS="-luuid"
  28       AC_LANG_PUSH([C])
  29       AC_COMPILE_IFELSE([
  30         AC_LANG_PROGRAM([
  31 #include <uuid/uuid.h>
  32       ], [
  33       uuid_t out;
  34       uuid_generate_time_safe(out);
  35       ]), [ax_cv_uuid_generate_time_safe=yes ], [ax_cv_uuid_generate_time_safe=no ]
  36       ])
  37
  38     AC_LANG_POP
  39     LDFLAGS="$save_LDFLAGS"
  40     ])
  41
  42   AS_IF([test "$ax_cv_uuid_generate_time_safe" = yes],[
  43     AC_DEFINE(HAVE_UUID_GENERATE_TIME_SAFE,[1],[Define if uuid_generate_time_safe is present in uuid/uuid.h.])],[
  44     AC_DEFINE(HAVE_UUID_GENERATE_TIME_SAFE,[0],[Define if uuid_generate_time_safe is present in uuid/uuid.h.])
  45   ])
  46 ])