#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.61)
#
# Change the version number below after doing a public release.
# The version in git should reflect the *next* version planned.
# Version must be MAJOR.MINOR.PATCH otherwise things will break.
#
AC_INIT([zeromq],[2.0.6],[zeromq-dev@lists.zeromq.org])

AC_CONFIG_AUX_DIR(config)
AC_CONFIG_MACRO_DIR(config)
AM_CONFIG_HEADER(src/platform.hpp)
AM_INIT_AUTOMAKE(tar-ustar)

# This defines PACKAGE_VERSION_... in src/platform.hpp
PV_MAJOR=`echo $PACKAGE_VERSION | cut -d . -f 1`
PV_MINOR=`echo $PACKAGE_VERSION | cut -d . -f 2`
PV_PATCH=`echo $PACKAGE_VERSION | cut -d . -f 3`
AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MAJOR],[$PV_MAJOR],
    [0MQ major version])
AC_DEFINE_UNQUOTED([PACKAGE_VERSION_MINOR],[$PV_MINOR],
    [0MQ minor version])
AC_DEFINE_UNQUOTED([PACKAGE_VERSION_PATCH],[$PV_PATCH],
    [0MQ patchlevel])
# This lets us use PACKAGE_VERSION in Makefiles
AC_SUBST(PACKAGE_VERSION)

#
# Libtool -version-info (ABI version)
#
# Currently 0.0.0 ("unstable"). Don't change this unless you 
# know exactly what you're doing and have read and understand
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
#
# libzmq -version-info
LTVER="0:0:0"
AC_SUBST(LTVER)

# librbzmq -version-info
RBLTVER="0:0:0"
AC_SUBST(RBLTVER)

# libjzmq -version-info
JLTVER="0:0:0"
AC_SUBST(JLTVER)

AM_PROG_CC_C_O

# Checks for programs.
AC_PROG_CXX
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL
AC_PROG_SED
AC_PROG_AWK

# Checks for libraries.
AC_CHECK_LIB([pthread], [pthread_create])
# If using GNU C++, libstdc++ must be available.
if test "x$GXX" = "xyes"; then
    # libstdc++ depends on libm on some platforms
    AC_CHECK_LIB([m], [main])
    AC_CHECK_LIB([stdc++], [main], ,
        [AC_MSG_ERROR([cannot link with -lstdc++])])
fi

# Extra CXXFLAGS are appended at the end of CXXFLAGS for libzmq.
LIBZMQ_EXTRA_CXXFLAGS=""

# Extra LDFLAGS are appended at the end of LDFLAGS for libzmq.
LIBZMQ_EXTRA_LDFLAGS=""

# By default compiling with -pedantic except QNX and OSX.
pedantic="yes"

#By default compiling with -Werror except OSX.
werror="yes"

#Whether we are on mingw or not.
on_mingw32="no"

# Host speciffic checks
AC_CANONICAL_HOST

# Determine whether or not documentation should be built.
build_doc="no"
install_man="yes"
if test -d ".git"; then
# We are building from git.
# Check for asciidoc and xmlto and don't build the docs if these are not installed.
    AC_CHECK_PROG(have_asciidoc, asciidoc, yes, no)
    AC_CHECK_PROG(have_xmlto, xmlto, yes, no)
    if test "x$have_asciidoc" = "xno" -o "x$have_xmlto" = "xno"; then
        build_doc="no"
        install_man="no"
        AC_MSG_WARN([You are building from git and asciidoc is not installed. Documentation will not be built or installed.])
    else
        build_doc="yes"
    fi
fi
AC_MSG_CHECKING([whether to build documentation])
AC_MSG_RESULT([$build_doc])
AC_MSG_CHECKING([whether to install manpages])
if test "x$build_doc" = "xno" -a "x$install_man" = "xyes" -a ! -f "./doc/zmq.7"; then
    AC_MSG_ERROR([configure thinks we want to install manpages but they're not present. Help!])
fi
AC_MSG_RESULT([$install_man])

# Set some default features required by 0MQ code.
CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE $CPPFLAGS"

# OS-specific tests
case "${host_os}" in
    *linux*)
        # Define on Linux to enable all library features
        CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_LINUX, 1, [Have Linux OS])
        AC_CHECK_LIB(uuid, main, , 
            [AC_MSG_ERROR([cannot link with -luuid, install uuid-dev.])])
        ;;
    *solaris*)
        # Define on Solaris to enable all library features
        CPPFLAGS="-D_POSIX_C_SOURCE=200112L -D_PTHREADS $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_SOLARIS, 1, [Have Solaris OS])
        AC_CHECK_LIB(socket, main)
        AC_CHECK_LIB(nsl, main)
        AC_CHECK_LIB(rt, main)
        AC_CHECK_LIB(uuid, main, ,
            [AC_MSG_ERROR([cannot link with -luuid, install uuid-dev.])])
        AC_MSG_CHECKING([whether atomic operations can be used])
        AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
            [[#include <atomic.h>]],
            [[uint32_t value;
              atomic_cas_32 (&value, 0, 0);
              return 0;]])],
            [solaris_has_atomic=yes],
            [solaris_has_atomic=no])
        AC_MSG_RESULT([$solaris_has_atomic])
        # Solaris 8 does not have atomic operations exported to user space.
        if test "x$solaris_has_atomic" = "xno"; then
            AC_DEFINE(ZMQ_FORCE_MUTEXES, 1, [Force to use mutexes])
        fi
        ;;
    *freebsd*)
        # Define on FreeBSD to enable all library features
        CPPFLAGS="-D__BSD_VISIBLE $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_FREEBSD, 1, [Have FreeBSD OS])
        ;;
    *darwin*)
        # Define on Darwin to enable all library features
        CPPFLAGS="-D_DARWIN_C_SOURCE $CPPFLAGS"
        pedantic="no"
        werror="no"
        AC_DEFINE(ZMQ_HAVE_OSX, 1, [Have DarwinOSX OS])
        LIBZMQ_EXTRA_CXXFLAGS+="-Wno-uninitialized"
        ;;
    *netbsd*)
        # Define on NetBSD to enable all library features
        CPPFLAGS="-D_NETBSD_SOURCE $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_NETBSD, 1, [Have NetBSD OS])
        # NetBSD 5.0 and newer provides atomic operations but we can
        # only use these on systems where PR #42842 has been fixed so
        # we must try and link a test program using C++.
        netbsd_has_atomic=no
        AC_MSG_CHECKING([whether atomic operations can be used])
        AC_LANG_PUSH([C++])
        AC_LINK_IFELSE([AC_LANG_PROGRAM(
            [[#include <atomic.h>]],
            [[uint32_t value;
              atomic_cas_32 (&value, 0, 0);
              return 0;]])],
            [netbsd_has_atomic=yes],
            [netbsd_has_atomic=no])
        AC_LANG_POP([C++])
        AC_MSG_RESULT([$netbsd_has_atomic])
        if test "x$netbsd_has_atomic" = "xno"; then
            AC_DEFINE(ZMQ_FORCE_MUTEXES, 1, [Force to use mutexes])
        fi
        ;;
    *openbsd*)
        # Define on OpenBSD to enable all library features
        CPPFLAGS="-D_BSD_SOURCE $CPPFLAGS"
        AC_DEFINE(ZMQ_HAVE_OPENBSD, 1, [Have OpenBSD OS])
        ;;
    *nto-qnx*)
        pedantic="no"
        AC_DEFINE(ZMQ_HAVE_QNXNTO, 1, [Have QNX Neutrino OS])
        AC_CHECK_LIB(socket,main)
        ;;
    *aix*)
        AC_DEFINE(ZMQ_HAVE_AIX, 1, [Have AIX OS])
        ;;
    *hpux*)
        # Define on HP-UX to enable all library features
        CPPFLAGS="-D_POSIX_C_SOURCE=200112L"
        AC_DEFINE(ZMQ_HAVE_HPUX, 1, [Have HPUX OS])
        AC_CHECK_LIB(rt, main)
        ;;
    *mingw32*)
        AC_DEFINE(ZMQ_HAVE_WINDOWS, 1, [Have Windows OS])
        AC_DEFINE(ZMQ_HAVE_MINGW32, 1, [Have MinGW32])
        AC_CHECK_HEADERS(windows.h)
        AC_CHECK_LIB(ws2_32, main, ,
            [AC_MSG_ERROR([cannot link with ws2_32.dll.])])
        AC_CHECK_LIB(Rpcrt4, main, ,
            [AC_MSG_ERROR([cannot link with Rpcrt4.dll.])])
        AC_CHECK_LIB(Iphlpapi, main, ,
            [AC_MSG_ERROR([cannot link with Iphlpapi.dll.])])
        CFLAGS="${CFLAGS} -std=c99"
        on_mingw32="yes"
        install_man="no"
        ;;
    *cygwin*)
        AC_DEFINE(ZMQ_HAVE_CYGWIN, 1, [Have Cygwin])
        ;;
    *)
        AC_MSG_ERROR([unsupported system: ${host_os}.])
        ;;
esac

# CPU-specific optimizations
case "${host_cpu}" in
    *sparc*)
        CPPFLAGS="$CPPFLAGS -mcpu=v9"
    ;;
    *)
    ;;
esac

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(errno.h arpa/inet.h netinet/tcp.h netinet/in.h stddef.h \
stdlib.h string.h sys/socket.h sys/time.h unistd.h limits.h)

# Force not to use eventfd
AC_ARG_ENABLE([eventfd], [AS_HELP_STRING([--disable-eventfd], [disable eventfd [default=no]])],
    [disable_eventfd=yes], [disable_eventfd=no])

eventfd_headers="no"
eventfd_can_run="no"

if test "x$disable_eventfd" != "xyes"; then
    # Check if we have eventfd.h header file.
    AC_CHECK_HEADERS(sys/eventfd.h, [eventfd_headers=yes])

    AC_MSG_CHECKING([for sys/eventfd.h functionality])

    AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([[#include <sys/eventfd.h>
          #include <assert.h>]],
        [[int fd = eventfd (0, 0); assert (fd != -1);]])],
        [eventfd_can_run=yes], [], eventfd_can_run=no)

    AC_MSG_RESULT([$eventfd_can_run])

    if test "x$eventfd_headers" = "xyes" -a "x$eventfd_can_run" = "xyes"; then
        AC_DEFINE(ZMQ_HAVE_EVENTFD, 1,[Have eventfd extension.])
    fi
fi

# Check if we have ifaddrs.h header file.
AC_CHECK_HEADERS(ifaddrs.h, [AC_DEFINE(ZMQ_HAVE_IFADDRS, 1, [Have ifaddrs.h header.])])

# Use c++ in subsequent tests
AC_LANG(C++)

# Optional stuff
AC_CHECK_PROG(have_pkg_config, pkg-config, yes, no)

# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_HEADER_TIME
AC_TYPE_UINT32_T
AC_C_VOLATILE

# Substs
stdint="0"
if test "x$HAVE_STDINT_H" = "xyes"; then
    stdint="1"
fi

inttypes="0"
if test "x$HAVE_INTTYPES_H" = "xyes"; then
    inttypes="1"
fi

# c 
czmq="no"
AC_ARG_WITH([c], [AS_HELP_STRING([--with-c], 
    [build c language binding [default=no]])], [c=yes], [c=no])

if test "x$c" != "xno"; then
    czmq="yes" 
fi

# c++
cppzmq="no"
AC_ARG_WITH([cpp], [AS_HELP_STRING([--with-cpp], 
    [build c++ language binding [default=no]])], [cpp=yes], [cpp=no])

if test "x$cpp" != "xno"; then
    cppzmq="yes" 
fi

# Python
pyzmq="no"
AC_ARG_WITH(python_headersdir,
    AS_HELP_STRING([--with-python-headersdir], [Python.h header file location]),
        [python_headersdir="$withval"], [python_headersdir="no"])

AC_ARG_WITH([python], [AS_HELP_STRING([--with-python], [build Python language binding [default=no]])], [with_python=yes], [with_python=no])
if test "x$with_python" != "xno"; then
    AM_PATH_PYTHON([2.4], , [:])
    if test "x$PYTHON" = "x:"; then
        AC_MSG_ERROR([the --with-python option requires that python be installled.]);
    fi

    if test "x$python_headersdir" != "xno"; then
        PYTHON_INCLUDES="-I${python_headersdir}"
        PYTHON_SETUP_INCLUDES="${python_headersdir}"

        AC_CHECK_HEADERS($python_headersdir/Python.h, [] , 
            [AC_MSG_ERROR([cannot find a usable Python.h in ${python_headersdir}.])])

    else 
        py_prefix=`$PYTHON -c "import sys; print sys.prefix"`
        py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"`
        PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
        PYTHON_SETUP_INCLUDES="${py_prefix}/include/python${PYTHON_VERSION}"

        if test "$py_prefix" != "$py_exec_prefix"; then
            PYTHON_INCLUDES="${PYTHON_INCLUDES} -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
        fi

        AC_CHECK_HEADERS($py_prefix/include/python${PYTHON_VERSION}/Python.h, [] , 
            [AC_MSG_ERROR([cannot find a usable Python.h in $py_prefix/include/python${PYTHON_VERSION}.])])
    fi

    AC_SUBST(PYTHON_INCLUDES)
    AC_SUBST(PYTHON_SETUP_INCLUDES)

    pyzmq="yes"
fi

# RUBY
rbzmq="no"
AC_ARG_WITH(ruby_headersdir,
    AS_HELP_STRING([--with-ruby-headersdir], [ruby.h header file location]),
        [ruby_headersdir="$withval"], [ruby_headersdir="no"])

if test "x$ruby_headersdir" != "xno"; then
    CPPFLAGS="${CPPFLAGS} -I${ruby_headersdir}"
fi

AC_ARG_WITH(ruby_libdir,
    AS_HELP_STRING([--with-ruby-libdir],[libruby library file location]),
        [ruby_libdir="$withval"], [ruby_libdir="no"])

if test "x$ruby_libdir" != "xno"; then
    LDFLAGS="${LDFLAGS} -L${ruby_libdir}"
fi

AC_ARG_WITH([ruby], [AS_HELP_STRING([--with-ruby], [build ruby language binding [default=no]])], [with_ruby=yes], [with_ruby=no])
if test "x$with_ruby" != "xno"; then
    AC_CHECK_HEADERS([ruby.h], [], 
        [AC_MSG_ERROR([cannot find Ruby header files. Please specify their location with --with-ruby-headersdir.])])

    AC_SEARCH_LIBS(ruby_init,[ruby ruby1.8 ruby18],, 
        [AC_MSG_ERROR([cannot link with Ruby library. Please specify it's location with --with-ruby-libdir.])])
   
    rbzmq="yes"
fi

AC_ARG_WITH([rubydir], [AS_HELP_STRING([--with-rubydir],
    [librbzmq install dir [default=EPREFIX/lib]])],
    [rubydir="$withval"], [rubydir="_default_"])

if test "$rubydir" = "_default_"; then
    rubydir=${libdir}
else
    rubydir=${rubydir}
fi

RUBYDIR="$rubydir"
AC_SUBST([RUBYDIR])

if test "x$pyzmq" = "xyes"; then
    AC_CHECK_PROG(have_python, python, yes, no)
    if test "x$have_python" != "xyes"; then
        AC_MSG_ERROR([the --with-python option requires that python be installed.])
    fi
fi
    
# Java language binding
jzmq="no"
AC_ARG_WITH([java], [AS_HELP_STRING([--with-java], [build Java language binding [default=no]])], [with_java=yes], [with_java=no])
if test "x$with_java" != "xno"; then
    AC_PATH_PROG(JAVAC, javac, "no",[$PATH:$JAVA_HOME/bin])
    if test "x$JAVAC" = "xno"; then
        AC_MSG_ERROR([the --with-java option requires that javac be on the path.]);
    fi

    AC_PATH_PROG(JAVAH, javah, "no",[$PATH:$JAVA_HOME/bin])
    if test "x$JAVAH" = "xno"; then
        AC_MSG_ERROR([the --with-java option requires that javah be on the path.]);
    fi

    AC_PATH_PROG(JAR, jar, "no", [$PATH:$JAVA_HOME/bin])
    if test "x$JAR" = "xno"; then
        AC_MSG_ERROR([the --with-java option requires that jar be on the path.]);
    fi

    if test "x$JAVA_HOME" = "x"; then
        AC_MSG_ERROR([the --with-java option requires the JAVA_HOME environment variable be set to your JDK location.]);
    fi

    AC_MSG_CHECKING([for jni.h in a $JAVA_HOME/include dir])
    if test -f $JAVA_HOME/include/jni.h; then
        AC_MSG_RESULT([yes])
    else
        AC_MSG_ERROR([cannot find jni.h in the $JAVA_HOME/include directory.]);
    fi

    JAVAROOT=./
    AC_SUBST(JAVAROOT)

    case "${host_os}" in
        *solaris*)
            JAVA_INCLUDE="-I.. -I${JAVA_HOME}/include -I ${JAVA_HOME}/include/solaris"
        ;;
        *openbsd*)
            JAVA_INCLUDE="-I.. -I${JAVA_HOME}/include -I ${JAVA_HOME}/include/openbsd"
        ;;
        *)
            JAVA_INCLUDE="-I.. -I${JAVA_HOME}/include -I ${JAVA_HOME}/include/linux"
        ;;
    esac

    AC_SUBST(JAVA_INCLUDE)

    jzmq="yes"
else
# Workaround to be able to run make dist without real JAVAH
    JAVAH=true
    JAVAC=true
    JAR=true
fi

#  PGM extension
pgm_ext="no"

pgm_basename="libpgm-2.0.23rc8"

AC_SUBST(pgm_basename)

AC_ARG_WITH([pgm], [AS_HELP_STRING([--with-pgm], 
    [build libzmq with PGM extension [default=no]])], 
    [with_pgm_ext=yes], [with_pgm_ext=no])

AC_ARG_WITH([pgm-examples], [AS_HELP_STRING([--with-pgm-examples], 
    [build PGM examples [default=no]])], 
    [with_pgm_examples=yes], [with_pgm_examples=no])

if test "x$with_pgm_ext" = "xno" -a "x$with_pgm_examples" = "xyes"; then
    AC_MSG_ERROR([cannot configure --with-pgm-examples without --with-pgm.]);
fi

if test "x$c" = "xno" -a "x$with_pgm_examples" = "xyes"; then
    AC_MSG_ERROR([cannot configure --with-pgm-examples without --with-c.]);
fi

if test "x$with_pgm_ext" != "xno"; then

    AC_MSG_CHECKING([if the PGM extension is supported on this platform])
    # OpenPGM is only supported by the vendor on x86 and AMD64 platforms...
    case "${host_cpu}" in
        i*86|x86_64)
            # Supported
        ;;
        *)
            AC_MSG_ERROR([the PGM extension is not supported on the ${host_cpu} platform.])
        ;;
    esac

    # ... and on Linux/Windows/Solaris systems.
    case "${host_os}" in
        *linux*|*mingw32*|*solaris*)
            LIBZMQ_EXTRA_CXXFLAGS="${LIBZMQ_EXTRA_CXXFLAGS} -Wno-variadic-macros -Wno-long-long "
        ;;
        *)
            AC_MSG_ERROR([the PGM extension is not supported on system ${host_os}.])
        ;;
    esac
    AC_MSG_RESULT([yes])

    #  Test if we have pkg-config
    if test "x$have_pkg_config" != "xyes"; then
        AC_MSG_ERROR([the --with-pgm option requires that pkg-config be installed.]);
    fi
    
    #  Check for OpenPGM dependencies
    PKG_CHECK_MODULES([GLIB], [glib-2.0 gthread-2.0])
    LIBZMQ_EXTRA_CXXFLAGS="${LIBZMQ_EXTRA_CXXFLAGS} ${GLIB_CFLAGS} "
    LIBZMQ_EXTRA_LDFLAGS="${LIBZMQ_EXTRA_LDFLAGS} ${GLIB_LIBS} "
    
    #  Bunzip2, Perl and Python are required duing PGM build
    AC_CHECK_PROG(have_bunzip2, bunzip2, yes, no)
    if test "x$have_bunzip2" != "xyes"; then
        AC_MSG_ERROR([bunzip2 is required for building the PGM extension.])
    fi
    AC_CHECK_PROG(have_perl, perl, yes, no)
    if test "x$have_perl" != "xyes"; then
        AC_MSG_ERROR([perl is required for building the PGM extension.])
    fi
    if test "x$pyzmq" != "xyes"; then
        AC_CHECK_PROG(have_python, python, yes, no)
        if test "x$have_python" != "xyes"; then
            AC_MSG_ERROR([python is required for building the PGM extension.])
        fi
    fi

    #  Unpack libpgm
    AC_MSG_NOTICE([Unpacking ${pgm_basename}.tar.bz2])
    if ! bunzip2 -c foreign/openpgm/${pgm_basename}.tar.bz2 | tar -xf - -C foreign/openpgm/; then
        AC_MSG_ERROR([cannot unpack the foreign/openpgm/${pgm_basename}.tar.bz2 file.])
    fi

    #  Success!
    AC_DEFINE(ZMQ_HAVE_OPENPGM, 1, [Have OpenPGM extension])
    pgm_ext="yes"
fi

# If not on QNX nor OSX nor PGM add -pedantic into LIBZMQ_EXTRA_CXXFLAGS.
if test "x$pedantic" = "xyes" -a "x$pgm_ext" = "xno"; then
    LIBZMQ_EXTRA_CXXFLAGS="${LIBZMQ_EXTRA_CXXFLAGS} -pedantic"
fi

# If not on QNX nor PGM add -Werror into LIBZMQ_EXTRA_CXXFLAGS.
if test "x$werror" = "xyes" -a "x$pgm_ext" = "xno"; then
    LIBZMQ_EXTRA_CXXFLAGS="${LIBZMQ_EXTRA_CXXFLAGS} -Werror"
fi

# Forwarder device
forwarder="no"
AC_ARG_WITH([forwarder], [AS_HELP_STRING([--with-forwarder], 
    [build forwarder device [default=no]])], [with_forwarder=yes], [with_forwarder=no])

if test "x$with_forwarder" != "xno"; then
    forwarder="yes"
fi

# Streamer device
streamer="no"
AC_ARG_WITH([streamer], [AS_HELP_STRING([--with-streamer], 
    [build streamer device [default=no]])], [with_streamer=yes], [with_streamer=no])

if test "x$with_streamer" != "xno"; then
    streamer="yes"
fi

# Queue device
queue="no"
AC_ARG_WITH([queue], [AS_HELP_STRING([--with-queue], 
    [build queue device [default=no]])], [with_queue=yes], [with_queue=no])

if test "x$with_queue" != "xno"; then
    queue="yes"
fi

# Perf
perf="no"
AC_ARG_WITH([perf], [AS_HELP_STRING([--with-perf], 
    [build performance tests [default=no]])], [with_perf=yes], [with_perf=no])

if test "x$with_perf" != "xno"; then
    perf="yes"

    if test "x$czmq" = "xno" -a "x$cppzmq" = "xno" -a "x$pyzmq" = "xno" -a \
          "x$jzmq" = "xno" -a "x$rbzmq" = "xno"; then
        AC_MSG_ERROR([the --with-perf option requires at least one language binding.]);
    fi
fi

if test "x$with_perf" = "xno" -a "x$with_pgm_examples" = "xyes"; then
    AC_MSG_ERROR([cannot configure --with-pgm-examples without --with-perf.]);
fi

# Chat example
chat="no"
AC_ARG_WITH([chat], [AS_HELP_STRING([--with-chat], [build chatroom example [default=no]])], [with_chat=yes], [with_chat=no])
if test "x$with_chat" != "xno"; then
    chat="yes"
fi

AM_CONDITIONAL(BUILD_PYTHON, test "x$pyzmq" = "xyes")
AM_CONDITIONAL(BUILD_JAVA, test "x$jzmq" = "xyes")
AM_CONDITIONAL(BUILD_PYTHON, test "x$pyzmq" = "xyes")
AM_CONDITIONAL(BUILD_RUBY, test "x$rbzmq" = "xyes")
AM_CONDITIONAL(BUILD_C, test "x$czmq" = "xyes")
AM_CONDITIONAL(BUILD_CPP, test "x$cppzmq" = "xyes")
AM_CONDITIONAL(BUILD_PGM, test "x$pgm_ext" = "xyes")
AM_CONDITIONAL(BUILD_NO_PGM, test "x$pgm_ext" = "xno")
AM_CONDITIONAL(BUILD_FORWARDER, test "x$forwarder" = "xyes")
AM_CONDITIONAL(BUILD_STREAMER, test "x$streamer" = "xyes")
AM_CONDITIONAL(BUILD_QUEUE, test "x$queue" = "xyes")  
AM_CONDITIONAL(BUILD_PERF, test "x$perf" = "xyes")
AM_CONDITIONAL(BUILD_CHAT, test "x$chat" = "xyes")
AM_CONDITIONAL(ON_MINGW, test "x$on_mingw32" = "xyes")
AM_CONDITIONAL(BUILD_PGM_EXAMPLES, test "x$with_pgm_examples" = "xyes")
AM_CONDITIONAL(INSTALL_MAN, test "x$install_man" = "xyes")
AM_CONDITIONAL(BUILD_DOC, test "x$build_doc" = "xyes")

AC_SUBST(stdint)
AC_SUBST(inttypes)

# Subst LIBZMQ_EXTRA_CXXFLAGS & LDFLAGS
AC_SUBST(LIBZMQ_EXTRA_CXXFLAGS)
AC_SUBST(LIBZMQ_EXTRA_LDFLAGS)


# Checks for library functions.
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(perror gettimeofday memset socket getifaddrs freeifaddrs)

AC_OUTPUT(Makefile src/Makefile doc/Makefile bindings/python/Makefile \
    bindings/python/setup.py bindings/ruby/Makefile \
    bindings/java/Makefile perf/Makefile perf/c/Makefile perf/cpp/Makefile \
    perf/python/Makefile perf/ruby/Makefile perf/java/Makefile src/libzmq.pc \
    devices/Makefile devices/zmq_forwarder/Makefile \
    devices/zmq_streamer/Makefile devices/zmq_queue/Makefile bindings/Makefile \
    examples/Makefile examples/chat/Makefile)

#  On Linux patch libtool to delete hardcoded paths (rpath).
case "${host_os}" in
    *linux*)
        sed < libtool > libtool-2 \
        's/^hardcode_libdir_flag_spec.*$'/'hardcode_libdir_flag_spec=" "/'
        mv libtool-2 libtool
        chmod 755 libtool
        ;;
esac

AC_MSG_RESULT([])
AC_MSG_RESULT([ ******************************************************** ])
AC_MSG_RESULT([                            0MQ     ])
AC_MSG_RESULT([ ******************************************************** ])
AC_MSG_RESULT([  This software is distributed under the terms and ])
AC_MSG_RESULT([  conditions of the LESSER GNU GENERAL PUBLIC LICENSE. ])
AC_MSG_RESULT([  See the file COPYING and COPYING.LESSER for the full ])
AC_MSG_RESULT([  license text. ])
AC_MSG_RESULT([ ******************************************************** ])
AC_MSG_RESULT([])
AC_MSG_RESULT([ 0MQ install dir: $prefix])
AC_MSG_RESULT([   Language bindings:])
AC_MSG_RESULT([     C: $czmq])
AC_MSG_RESULT([     C++: $cppzmq])
AC_MSG_RESULT([     Java: $jzmq])
AC_MSG_RESULT([     Python: $pyzmq])
AC_MSG_RESULT([     Ruby: $rbzmq])
if test "x$rbzmq" = "xyes"; then
AC_MSG_RESULT([       Ruby library install dir: $rubydir])
fi
AC_MSG_RESULT([   Transports:])
AC_MSG_RESULT([     tcp: yes])
AC_MSG_RESULT([     udp: $pgm_ext])
AC_MSG_RESULT([     pgm: $pgm_ext])
AC_MSG_RESULT([     inproc: yes])
AC_MSG_RESULT([   Devices:])
AC_MSG_RESULT([     Forwarder: $forwarder])
AC_MSG_RESULT([     Streamer: $streamer])
AC_MSG_RESULT([     Queue: $queue])
AC_MSG_RESULT([   Performance tests: $perf])
AC_MSG_RESULT([   Examples:])
AC_MSG_RESULT([     Chat: $chat])
AC_MSG_RESULT([])
AC_MSG_RESULT([ ******************************************************** ])
AC_MSG_RESULT([])