git.m6w6.name Git - awesomized/libmemcached/blob - m4/pandora_have_libevent.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 #--------------------------------------------------------------------
   7 # Check for libevent
   8 #--------------------------------------------------------------------
   9
  10
  11 AC_DEFUN([_PANDORA_SEARCH_LIBEVENT],[
  12   AC_REQUIRE([AC_LIB_PREFIX])
  13
  14   AC_LIB_HAVE_LINKFLAGS(event,,
  15   [
  16     #include <sys/types.h>
  17     #include <sys/time.h>
  18     #include <stdlib.h>
  19     #include <event.h>
  20   ],[
  21     struct bufferevent bev;
  22     bufferevent_settimeout(&bev, 1, 1);
  23     event_init();
  24     event_loop(EVLOOP_ONCE);
  25   ])
  26
  27   AM_CONDITIONAL(HAVE_LIBEVENT, [test "x${ac_cv_libevent}" = "xyes"])
  28
  29   AS_IF([test "x${ac_cv_libevent}" = "xyes"],[
  30     save_LIBS="${LIBS}"
  31     LIBS="${LIBS} ${LTLIBEVENT}"
  32     AC_CHECK_FUNCS(event_base_new)
  33     AC_CHECK_FUNCS(event_base_free)
  34     AC_CHECK_FUNCS(event_base_get_method)
  35     LIBS="$save_LIBS"
  36   ])
  37 ])
  38
  39 AC_DEFUN([_PANDORA_HAVE_LIBEVENT],[
  40
  41   AC_ARG_ENABLE([libevent],
  42     [AS_HELP_STRING([--disable-libevent],
  43       [Build with libevent support @<:@default=on@:>@])],
  44     [ac_enable_libevent="$enableval"],
  45     [ac_enable_libevent="yes"])
  46
  47   _PANDORA_SEARCH_LIBEVENT
  48 ])
  49
  50
  51 AC_DEFUN([PANDORA_HAVE_LIBEVENT],[
  52   AC_REQUIRE([_PANDORA_HAVE_LIBEVENT])
  53 ])
  54
  55 AC_DEFUN([_PANDORA_REQUIRE_LIBEVENT],[
  56   ac_enable_libevent="yes"
  57   _PANDORA_SEARCH_LIBEVENT
  58
  59   AS_IF([test x$ac_cv_libevent = xno],[
  60     AC_MSG_ERROR([libevent is required for ${PACKAGE}. On Debian this can be found in libevent-dev. On RedHat this can be found in libevent-devel.])
  61   ])
  62 ])
  63
  64 AC_DEFUN([PANDORA_REQUIRE_LIBEVENT],[
  65   AC_REQUIRE([_PANDORA_REQUIRE_LIBEVENT])
  66 ])