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#!/usr/bin/env bash
# LibmemcacheD
# Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/
# Copyright (C) 2006-2010 Brian Aker, Monty Taylor, Trond Norbye
# All rights reserved.
#
# Use and distribution licensed under the BSD license.  See
# the COPYING file in this directory for full text.

AC_INIT([libmemcached],[1.0.4],[http://libmemcached.org/])

AC_CONFIG_AUX_DIR(config)

AC_CANONICAL_TARGET

AM_INIT_AUTOMAKE

AC_CANONICAL_HOST
AC_CANONICAL_BUILD

AC_PREREQ([2.61])

AC_CONFIG_MACRO_DIR(m4)

AC_CONFIG_HEADERS([config.h:config.in])dnl Keep filename to 8.3 for MS-DOS.

AC_CONFIG_SRCDIR([libmemcached/memcached.cc])

PANDORA_CANONICAL_TARGET(no-vc-changelog)
AC_CHECK_PROGS([YACC], ['bison'], [:])
AC_CHECK_PROGS([LEX], ['flex'], [:])

#shared library versioning
MEMCACHED_UTIL_LIBRARY_VERSION=2:0:0
MEMCACHED_PROTOCAL_LIBRARY_VERSION=0:0:0
MEMCACHED_LIBRARY_VERSION=9:0:0
#                         | | |
#                  +------+ | +---+
#                  |        |     |
#                 current:revision:age
#                  |        |     |
#                  |        |     +- increment if interfaces have been added
#                  |        |        set to zero if interfaces have been removed or changed
#                  |        +- increment if source code has changed
#                  |           set to zero if current is incremented
#                  +- increment if interfaces have been added, removed or changed
AC_SUBST(MEMCACHED_UTIL_LIBRARY_VERSION)
AC_SUBST(MEMCACHED_PROTOCAL_LIBRARY_VERSION)
AC_SUBST(MEMCACHED_LIBRARY_VERSION)


HASHKIT_LIBRARY_VERSION=1:0:0
AC_SUBST(HASHKIT_LIBRARY_VERSION)

LT_PREREQ([2.2])
LT_INIT()
LT_LANG([C++])
LT_LANG([C])
gl_VISIBILITY

AX_CXX_HEADER_STDCXX_98
  if test "$ax_cv_cxx_stdcxx_98" = no; then
    AC_MSG_ERROR([Your system lacks a new enough C++ compiler])
  fi

m4_include([m4/memcached.m4])
m4_include([m4/memcached_sasl.m4])
m4_include([m4/gearmand.m4])
m4_include([m4/libgearman.m4])

AM_CONDITIONAL(BUILDING_LIBMEMCACHED, true)
AM_CONDITIONAL(HAVE_LIBMEMCACHED, false)
AC_DEFINE([HAVE_LIBMEMCACHED], [1], [Enables libmemcached Support])

AM_CONDITIONAL(BUILDING_GEARMAN, false)

AC_SEARCH_LIBS(getopt_long, gnugetopt)
AC_SEARCH_LIBS(gethostbyname, nsl)

case "$target_os" in
  *linux*)
       AS_IF([test "x$GCC" = "xyes"],
             [
              LDFLAGS="$LDFLAGS -z relro -z now"
              ])
   ;;
   esac

dnl Specialty checks
AX_PTHREAD
AX_CXX_CINTTYPES
CONFIG_EXTRA
DETECT_BYTEORDER
SETSOCKOPT_SANITY
ENABLE_HSIEH_HASH
ENABLE_MURMUR_HASH
ENABLE_FNV64_HASH
ENABLE_MEMASLAP
PROTOCOL_BINARY_TEST
ENABLE_DEPRECATED

AC_CHECK_FUNCS([alarm])
AC_CHECK_FUNCS([dup2])
AC_CHECK_FUNCS([getline])
AC_CHECK_FUNCS([gettimeofday])
AC_CHECK_FUNCS([memchr])
AC_CHECK_FUNCS([memmove])
AC_CHECK_FUNCS([memset])
AC_CHECK_FUNCS([select])
AC_CHECK_FUNCS([setenv])
AC_CHECK_FUNCS([socket])
AC_CHECK_FUNCS([sqrt])
AC_CHECK_FUNCS([strcasecmp])
AC_CHECK_FUNCS([strchr])
AC_CHECK_FUNCS([strdup])
AC_CHECK_FUNCS([strerror])
AC_CHECK_FUNCS([strtol])
AC_CHECK_FUNCS([strtoul])
AC_CHECK_FUNCS([strtoull])

AC_CHECK_HEADERS([arpa/inet.h])
AC_CHECK_HEADERS([fcntl.h])
AC_CHECK_HEADERS([libintl.h])
AC_CHECK_HEADERS([limits.h])
AC_CHECK_HEADERS([malloc.h])
AC_CHECK_HEADERS([netdb.h])
AC_CHECK_HEADERS([netinet/in.h])
AC_CHECK_HEADERS([stddef.h])
AC_CHECK_HEADERS([sys/time.h])
AC_CHECK_HEADERS([execinfo.h])
AC_CHECK_HEADERS([cxxabi.h], 
                 AC_DEFINE([HAVE_CXXABI_H], [1], [Have cxxabi.h]),
                 AC_DEFINE([HAVE_CXXABI_H], [0], [Have cxxabi.h]))

AX_COMPILER_VENDOR

AC_FUNC_ALLOCA
AC_FUNC_ERROR_AT_LINE
AC_FUNC_FORK
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_FUNC_STRERROR_R
AC_HEADER_STDBOOL
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_INT8_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SSIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T

AC_C_BIGENDIAN
AC_C_CONST
AC_C_INLINE
AC_C_VOLATILE
AC_C_RESTRICT

AX_CXX_GCC_ABI_DEMANGLE

AX_SASL_OPTION

dnl
dnl The sasl functions should only be visible if we build with sasl support
dnl
AS_IF([test "x$ac_enable_sasl" = "xyes"], [
       [ LIBMEMCACHED_WITH_SASL_SUPPORT="#define LIBMEMCACHED_WITH_SASL_SUPPORT 1" ]
       ], [
           [ LIBMEMCACHED_WITH_SASL_SUPPORT="#define LIBMEMCACHED_WITH_SASL_SUPPORT 0" ]
           ])
AC_SUBST(LIBMEMCACHED_WITH_SASL_SUPPORT)

AX_CHECK_LIBRARY([LIBUUID], [uuid/uuid.h], [uuid], 
                 [
                  LIBUUID_LDFLAGS="-luuid"
                  AC_DEFINE([HAVE_LIBUUID], [ 1 ], [Have libuuid])
                  ],
                 [
                  AC_DEFINE([HAVE_LIBUUID], [ 0 ], [Have libuuid])
                  ])

AC_CHECK_LIB([rt], [clock_gettime], 
             [
              RT_LIB="-lrt"
              AC_SUBST(RT_LIB)
              AC_DEFINE([HAVE_LIBRT], [ 1 ], [Have clock_gettime])
              ], 
             [
              AC_DEFINE([HAVE_LIBRT], [ 0 ], [Have clock_gettime])
              ])

AC_CHECK_LIB([m], [floor])

AC_CHECK_HEADERS([atomic.h])
AS_IF([test "x$ac_cv_header_atomic_h" = "xyes"],[
      AC_CHECK_FUNCS(atomic_add_64)
      AC_CHECK_FUNCS(atomic_add_32)
      AS_IF([test "x$ac_cv_func_atomic_add_64" = "xyes" -a "x$ac_cv_func_atomic_add_32" = "xyes"],[
            AC_DEFINE([USE_ATOMIC_H],
	              [1],
                      [Define to true if you want to use functions from atomic.h])])])

AC_DEFINE([HAVE_LIBDRIZZLE], [0], [Support for libdrizzle])
AC_DEFINE([HAVE_DRIZZLED_BINARY], [0], [Support for DrizzleD])
AC_DEFINE([GEARMAND_BLOBSLAP_WORKER], [0], [Support for Gearman Blobslap worker])
AC_DEFINE([HAVE_LIBPQ], [0], [Support for Postgres])
AC_DEFINE([HAVE_LIBCURL], [0], [Support for libcurl])

AC_CHECK_HEADERS_ONCE(winsock2.h poll.h sys/wait.h fnmatch.h)
AM_CONDITIONAL(BUILD_POLL, test "x$ac_cv_header_poll_h" = "xno")
AM_CONDITIONAL(BUILD_WIN32_WRAPPERS, test "x$ac_cv_header_winsock2_h" = "xyes")
AS_IF(test "x$ac_cv_header_winsock2_h" = "xyes",
      [AM_LDFLAGS="$AM_LDFLAGS -lws2_32"
       AM_CFLAGS="$AM_CFLAGS $NO_WERROR"
       AM_CXXFLAGS="$AM_CXXFLAGS $NO_WERROR"
      ])
SOCKET_SEND_FLAGS

AX_CHECK_LIBRARY([LIBEVENT], [event.h], [event], 
                 [
                  LIBEVENT_LDFLAGS="-levent"
                  ],
                 [
                  AC_MSG_WARN([Unable to find libevent])
                  ])
AM_CONDITIONAL(HAVE_LIBEVENT, test "x${ax_cv_have_LIBEVENT}" = "xyes")

AC_CONFIG_FILES([
  Makefile
  docs/conf.py
  libhashkit-1.0/configure.h
  libmemcached-1.0/configure.h
  libmemcached-1.2/configure.h
  libmemcached-2.0/configure.h
  support/libmemcached.pc
  support/libmemcached.spec
  support/libmemcached-fc.spec
  libtest/version.h
  ])
AC_OUTPUT

echo "---"
echo "Configuration summary for $PACKAGE_NAME version $VERSION"
echo ""
echo "   * Installation prefix:       $prefix"
echo "   * System type:               $host_vendor-$host_os"
echo "   * Host CPU:                  $host_cpu"
echo "   * C Compiler:                $CC_VERSION"
echo "   * Assertions enabled:        $ac_cv_assert"
echo "   * Debug enabled:             $with_debug"
echo "   * Warnings as failure:       $ac_cv_warnings_as_errors"
echo "   * SASL support:              $ac_enable_sasl"
echo ""
echo "---"

case "$host_os" in
  *freebsd*)
    echo "*****"
    echo "*"
    echo "*  NOTE: You are on FreeBSD. BSD make will not work."
    echo "*"
    echo "*   use 'gmake' To build libmemcached"
    echo "*"
    echo "*****"
  ;;
esac