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

   1 dnl  Copyright (C) 2009 Sun Microsystems
   2 dnl This file is free software; Sun Microsystems
   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 AC_DEFUN([_PANDORA_SEARCH_LIBMEMCACHED],[
   7   AC_REQUIRE([AC_LIB_PREFIX])
   8
   9   dnl --------------------------------------------------------------------
  10   dnl  Check for libmemcached
  11   dnl --------------------------------------------------------------------
  12
  13   AC_ARG_ENABLE([libmemcached],
  14     [AS_HELP_STRING([--disable-libmemcached],
  15       [Build with libmemcached support @<:@default=on@:>@])],
  16     [ac_enable_libmemcached="$enableval"],
  17     [ac_enable_libmemcached="yes"])
  18
  19   AS_IF([test "x$ac_enable_libmemcached" = "xyes"],[
  20     AC_LIB_HAVE_LINKFLAGS(memcached,,[
  21       #include <libmemcached/memcached.h>
  22     ],[
  23       memcached_st memc;
  24       memcached_dump_func *df;
  25       memcached_lib_version();
  26     ])
  27   ],[
  28     ac_cv_libmemcached="no"
  29   ])
  30
  31   AS_IF([test "x$ac_enable_libmemcached" = "xyes"],[
  32     AC_LIB_HAVE_LINKFLAGS(memcachedprotocol,,[
  33       #include <libmemcached/protocol_handler.h>
  34     ],[
  35       struct memcached_protocol_st *protocol_handle;
  36       protocol_handle= memcached_protocol_create_instance();
  37     ])
  38   ],[
  39     ac_cv_libmemcachedprotocol="no"
  40   ])
  41
  42   AC_CACHE_CHECK([if libmemcached has memcached_server_fn],
  43     [pandora_cv_libmemcached_server_fn],
  44     [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
  45 #include <libmemcached/memcached.h>
  46 memcached_server_fn callbacks[1];
  47     ]])],
  48     [pandora_cv_libmemcached_server_fn=yes],
  49     [pandora_cv_libmemcached_server_fn=no])])
  50
  51   AS_IF([test "x$pandora_cv_libmemcached_server_fn" = "xyes"],[
  52     AC_DEFINE([HAVE_MEMCACHED_SERVER_FN],[1],[If we have the new memcached_server_fn typedef])
  53   ])
  54 ])
  55
  56 AC_DEFUN([_PANDORA_RECENT_LIBMEMCACHED],[
  57
  58   AC_CACHE_CHECK([if libmemcached is recent enough],
  59     [pandora_cv_recent_libmemcached],[
  60     AS_IF([test "x${ac_cv_libmemcached}" = "xno"],[
  61       pandora_cv_recent_libmemcached=no
  62     ],[
  63       AS_IF([test "x$1" != "x"],[
  64         pandora_need_libmemcached_version=`echo "$1" | perl -nle '/(\d+)\.(\d+)/; printf "%d%0.3d000", $[]1, $[]2 ;'`
  65         AS_IF([test "x${pandora_need_libmemcached_version}" = "x0000000"],[
  66           pandora_cv_recent_libmemcached=yes
  67         ],[
  68           AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
  69 #include <libmemcached/configure.h>
  70
  71 #if !defined(LIBMEMCACHED_VERSION_HEX) || LIBMEMCACHED_VERSION_HEX < 0x]]${pandora_need_libmemcached_version}[[
  72 # error libmemcached too old!
  73 #endif
  74             ]],[[]])
  75           ],[
  76             pandora_cv_recent_libmemcached=yes
  77           ],[
  78             pandora_cv_recent_libmemcached=no
  79           ])
  80         ])
  81       ],[
  82         pandora_cv_recent_libmemcached=yes
  83       ])
  84     ])
  85   ])
  86
  87   AM_CONDITIONAL(HAVE_LIBMEMCACHED,[test "x${ac_cv_libmemcached}" = "xyes" -a "x${pandora_cv_recent_libmemcached}" = "xyes"])
  88
  89 ])
  90
  91 AC_DEFUN([PANDORA_HAVE_LIBMEMCACHED],[
  92   AC_REQUIRE([_PANDORA_SEARCH_LIBMEMCACHED])
  93   _PANDORA_RECENT_LIBMEMCACHED($1)
  94 ])
  95
  96 AC_DEFUN([PANDORA_REQUIRE_LIBMEMCACHED],[
  97   PANDORA_HAVE_LIBMEMCACHED($1)
  98   AS_IF([test "x{$pandora_cv_recent_libmemcached}" = "xno"],
  99       AC_MSG_ERROR([libmemcached is required for ${PACKAGE}]))
 100 ])
 101
 102 AC_DEFUN([PANDORA_REQUIRE_LIBMEMCACHEDPROTOCOL],[
 103   PANDORA_HAVE_LIBMEMCACHED($1)
 104   AS_IF([test x$ac_cv_libmemcachedprotocol = xno],
 105       AC_MSG_ERROR([libmemcachedprotocol is required for ${PACKAGE}]))
 106 ])