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[awesomized/libmemcached] / 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 ])