+
+# Checks for programs.
+AC_CHECK_PROGS([LEX],['flex'],[:])
+AC_CHECK_PROGS([YACC],['bison'],[:])
+AX_PROG_SPHINX_BUILD
+
+# Checks for libraries.
+AC_SEARCH_LIBS([getopt_long],[gnugetopt])
+AC_SEARCH_LIBS([gethostbyname],[nsl])
+
+# Checks for header files.
+AC_CHECK_HEADERS_ONCE([arpa/inet.h])
+AC_CHECK_HEADERS_ONCE([errno.h])
+AC_CHECK_HEADERS_ONCE([execinfo.h])
+AC_CHECK_HEADERS_ONCE([fcntl.h])
+AC_CHECK_HEADERS_ONCE([fnmatch.h])
+AC_CHECK_HEADERS_ONCE([inttypes.h])
+AC_CHECK_HEADERS_ONCE([libintl.h])
+AC_CHECK_HEADERS_ONCE([limits.h])
+AC_CHECK_HEADERS_ONCE([mach/mach.h])
+AC_CHECK_HEADERS_ONCE([malloc.h])
+AC_CHECK_HEADERS_ONCE([math.h])
+AC_CHECK_HEADERS_ONCE([netdb.h])
+AC_CHECK_HEADERS_ONCE([netinet/in.h])
+AC_CHECK_HEADERS_ONCE([netinet/tcp.h])
+AC_CHECK_HEADERS_ONCE([poll.h])
+AC_CHECK_HEADERS_ONCE([pthread.h])
+AC_CHECK_HEADERS_ONCE([spawn.h])
+AC_CHECK_HEADERS_ONCE([stdarg.h])
+AC_CHECK_HEADERS_ONCE([stddef.h])
+AC_CHECK_HEADERS_ONCE([stdio.h])
+AC_CHECK_HEADERS_ONCE([stdlib.h])
+AC_CHECK_HEADERS_ONCE([sys/socket.h])
+AC_CHECK_HEADERS_ONCE([sys/sysctl.h])
+AC_CHECK_HEADERS_ONCE([sys/time.h])
+AC_CHECK_HEADERS_ONCE([sys/un.h])
+AC_CHECK_HEADERS_ONCE([sys/wait.h])
+AC_CHECK_HEADERS_ONCE([syslog.h])
+AC_CHECK_HEADERS_ONCE([time.h])
+AC_CHECK_HEADERS_ONCE([unistd.h])
+
+# Windows only
+AC_CHECK_HEADERS_ONCE([winsock2.h])
+AC_CHECK_HEADERS_ONCE([ws2tcpip.h])
+
+# Checks for typedefs, structures, and compiler characteristics.
+
+# Checks for library functions.
+
+AC_CHECK_FUNCS([alarm])
+AC_CHECK_FUNCS([atexit])
+AC_CHECK_FUNCS([clock_gettime])
+AC_CHECK_FUNCS([dup2])
+AC_CHECK_FUNCS([fcntl])
+AC_CHECK_FUNCS([floor])
+AC_CHECK_FUNCS([getcwd])
+AC_CHECK_FUNCS([getline])
+AC_CHECK_FUNCS([gettimeofday])
+AC_CHECK_FUNCS([inet_ntoa])
+AC_CHECK_FUNCS([memchr])
+AC_CHECK_FUNCS([memmove])
+AC_CHECK_FUNCS([memset])
+AC_CHECK_FUNCS([pipe2])
+AC_CHECK_FUNCS([putenv])
+AC_CHECK_FUNCS([select])
+AC_CHECK_FUNCS([setenv])
+AC_CHECK_FUNCS([sigignore])
+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([strstr])
+AC_CHECK_FUNCS([strtol])
+AC_CHECK_FUNCS([strtoul])
+AC_CHECK_FUNCS([strtoull])
+AC_FUNC_ALLOCA
+AC_FUNC_ERROR_AT_LINE
+AC_FUNC_FORK
+AC_FUNC_STRERROR_R
+
+AC_CHECK_HEADER([umem.h],
+ [AC_DEFINE([HAVE_UMEM_H],[1],[Define this if you have umem.h])
+ build_cache=no],
+ [build_cache=yes])
+
+AM_CONDITIONAL([BUILD_CACHE],[test "x$build_cache" = "xyes"])
+
+AX_COMPILER_VENDOR
+
+AC_CHECK_TYPES([ptrdiff_t])
+AC_HEADER_STDBOOL
+AC_TYPE_INT16_T
+AC_TYPE_INT32_T
+AC_TYPE_INT64_T
+AC_TYPE_INT8_T
+AC_TYPE_OFF_T
+AC_TYPE_PID_T
+AC_TYPE_SSIZE_T
+AC_TYPE_UINT16_T
+AC_TYPE_UINT32_T
+AC_TYPE_UINT64_T
+AC_TYPE_UINT8_T
+
+AC_C_BIGENDIAN
+AC_C_CONST
+AC_C_INLINE
+AC_C_VOLATILE
+AC_C_RESTRICT
+
+AX_CXX_GCC_ABI_DEMANGLE
+
+AX_LIBEVENT
+
+AC_CHECK_LIB([rt],[clock_gettime],
+ [AC_SUBST([RT_LIB],[-lrt])
+ AC_DEFINE([HAVE_CLOCK_GETTIME],[1],[Have clock_gettime])],
+ [AC_DEFINE([HAVE_CLOCK_GETTIME],[0],[Have clock_gettime])])
+
+# Check for the ability to call dlopen (used in libhostile)
+AX_DLOPEN
+
+AC_CHECK_HEADERS([atomic.h])
+AS_IF([test "x$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([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])
+
+# Check for the requirements for running memcached with less privileges
+# than the default privilege set. On Solaris we need setppriv and priv.h
+# If you want to add support for other platforms you should check for
+# your requirements, define HAVE_DROP_PRIVILEGES, and make sure you add
+# the source file containing the implementation into memcached_SOURCE
+# in Makefile.am
+AC_CHECK_FUNCS([setppriv],
+ [AC_CHECK_HEADER([priv.h],
+ [AC_DEFINE([HAVE_DROP_PRIVILEGES],
+ [1],
+ [Define this if you have an implementation of drop_privileges()])
+ build_solaris_privs=yes])
+ ])
+
+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 $NO_WERROR"
+ ])
+SOCKET_SEND_FLAGS
+
+AX_UUID_GENERATE_TIME_SAFE
+
+AC_DEFUN([CHECK_FOR_PTHREAD_AND_SASL],
+ [AX_PTHREAD(, [AC_MSG_ERROR([could not find libpthread])])
+ AX_PTHREAD_TIMEDJOIN_NP
+
+ # The sasl functions should only be visible if we build with sasl support
+ #
+ AX_SASL_OPTION
+ AS_IF([test "x$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])
+ ])
+CHECK_FOR_PTHREAD_AND_SASL
+
+
+# backtrace(), others require shared builds
+AS_IF([test "x$enable_shared" = "xyes"],
+ [AC_DEFINE([HAVE_SHARED_ENABLED],[1],[Enable code which requires shared library support. Like backtrace().])])
+AM_CONDITIONAL([SHARED_ENABLED],[test "x$enable_shared" = "xyes"])
+
+PANDORA_ENABLE_DTRACE
+HAVE_GCC_ATOMICS
+AX_ENDIAN
+AX_ASSERT
+AX_HARDEN_COMPILER_FLAGS
+
+AX_AM_JOBSERVER([yes])
+
+AC_CONFIG_FILES([Makefile
+ docs/conf.py
+ libmemcached-1.0/configure.h
+ support/libmemcached.pc
+ support/libmemcached.spec
+ ])