dnl Copyright 2001,2002,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.

dnl 

dnl This file is part of GNU Radio

dnl 

dnl GNU Radio is free software; you can redistribute it and/or modify

dnl it under the terms of the GNU General Public License as published by

dnl the Free Software Foundation; either version 3, or (at your option)

dnl any later version.

dnl 

dnl GNU Radio is distributed in the hope that it will be useful,

dnl but WITHOUT ANY WARRANTY; without even the implied warranty of

dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

dnl GNU General Public License for more details.

dnl 

dnl You should have received a copy of the GNU General Public License

dnl along with GNU Radio; see the file COPYING.  If not, write to

dnl the Free Software Foundation, Inc., 51 Franklin Street,

dnl Boston, MA 02110-1301, USA.

AC_INIT

AC_PREREQ(2.57)

dnl Set the prefix to the default when --prefix is not specified.

dnl This is critical for variable substitutions in the configure.

if test "${prefix}" = "NONE"; then

    prefix=${ac_default_prefix}

fi

AM_CONFIG_HEADER(config.h)

AC_CONFIG_SRCDIR([gnuradio-core/src/lib/runtime/gr_vmcircbuf.cc])

AC_CANONICAL_BUILD

AC_CANONICAL_HOST

AC_CANONICAL_TARGET

GR_VERSION

dnl ustar required to have pathnames > 99 chars

_AM_SET_OPTION([tar-ustar])

AM_INIT_AUTOMAKE(gnuradio,$RELEASE)

DEFINES=""

AC_SUBST(DEFINES)

dnl Remember if the user explicity set CFLAGS

if test -n "${CFLAGS}"; then

  user_set_cflags=yes

fi

dnl Remember if the user explicity set CXXFLAGS

if test -n "${CXXFLAGS}"; then

  user_set_cxxflags=yes

fi

LF_CONFIGURE_CC

LF_CONFIGURE_CXX

GR_LIB64		dnl check for lib64 suffix after choosing compilers

dnl The three macros above are known to override CFLAGS if the user

dnl didn't specify them.  Though I'm sure somebody thought this was

dnl a good idea, it makes it hard to use other than -g -O2 when compiling

dnl selected files.  Thus we "undo" the damage here...

dnl 

dnl If the user specified CFLAGS, we use them.

dnl See Makefile.common for the rest of the magic.

if test "$user_set_cflags" != yes; then

  autoconf_default_CFLAGS="$CFLAGS"

  CFLAGS=""

fi

AC_SUBST(autoconf_default_CFLAGS)

dnl The three macros above are known to override CXXFLAGS if the user

dnl didn't specify them.  Though I'm sure somebody thought this was

dnl a good idea, it makes it hard to use other than -g -O2 when compiling

dnl selected files.  Thus we "undo" the damage here...

dnl 

dnl If the user specified CXXFLAGS, we use them.  Otherwise when compiling

dnl the output of swig use use -O1 if we're using g++.

dnl See Makefile.common for the rest of the magic.

if test "$user_set_cxxflags" != yes; then

  autoconf_default_CXXFLAGS="$CXXFLAGS"

  CXXFLAGS=""

  if test "$GXX" = yes; then

    case "$host_cpu" in

    	powerpc*)

	   dnl "-O1" is broken on the PPC for some reason

	   dnl (at least as of g++ 4.1.1)

	   swig_CXXFLAGS="-g1 -O2 -Wno-strict-aliasing -Wno-parentheses"

	;;

    	*) 

	swig_CXXFLAGS="-g -O1 -Wno-strict-aliasing -Wno-parentheses"

	;;

    esac

  fi

fi

AC_SUBST(autoconf_default_CXXFLAGS)

AC_SUBST(swig_CXXFLAGS)

dnl add ${prefix}/lib${gr_libdir_suffix}/pkgconfig to the head of the PKG_CONFIG_PATH

if test x${PKG_CONFIG_PATH} = x; then

    PKG_CONFIG_PATH=${prefix}/lib${gr_libdir_suffix}/pkgconfig

else

    PKG_CONFIG_PATH=${prefix}/lib${gr_libdir_suffix}/pkgconfig:${PKG_CONFIG_PATH}

fi

export PKG_CONFIG_PATH

LF_SET_WARNINGS

GR_SET_GPROF

GR_SET_PROF

AM_PROG_AS

AC_PROG_LN_S

AC_PROG_MAKE_SET

AC_PROG_INSTALL

# AC_PROG_MKDIR_P

# is a backport of autoconf-2.60's AC_PROG_MKDIR_P.

# Remove this macro when we can assume autoconf >= 2.60.

m4_ifdef([AC_PROG_MKDIR_P], [], [

  AC_DEFUN([AC_PROG_MKDIR_P],

    [AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake

     MKDIR_P='$(mkdir_p)'

     AC_SUBST([MKDIR_P])])

])

AC_PROG_MKDIR_P

AC_PATH_PROG([RM_PROG], [rm])

AC_LIBTOOL_WIN32_DLL

dnl AC_DISABLE_SHARED	dnl don't build shared libraries

AC_ENABLE_SHARED	dnl do build shared libraries

AC_DISABLE_STATIC	dnl don't build static libraries

m4_ifdef([LT_INIT],[LT_INIT],[AC_PROG_LIBTOOL])

dnl GR_FORTRAN

GR_NO_UNDEFINED		dnl do we need the -no-undefined linker flag

GR_SCRIPTING

# Allow user to choose whether to generate SWIG/Python 

# Default is enabled

AC_ARG_ENABLE([python],

  [AS_HELP_STRING([--enable-python],

    [generate SWIG/Python components (default is yes)])],

  [case "${enableval}" in

     yes) enable_python=yes ;;

     no) enable_python=no ;;

     *) AC_MSG_ERROR([bad value ${enableval} for --enable-python]) ;;

   esac],

  [enable_python=yes]

)

# Allow user to choose whether to generate SWIG/Guile

# Default is disabled

AC_ARG_ENABLE([guile],

  [AS_HELP_STRING([--enable-guile],

    [generate SWIG/Guile components (default is no)])],

  [case "${enableval}" in

     yes) enable_guile=yes ;;

     no) enable_guile=no ;;

     *) AC_MSG_ERROR([bad value ${enableval} for --enable-guile]) ;;

   esac],

  [enable_guile=no]

)

AM_CONDITIONAL([PYTHON], [test x$enable_python = xyes])

AM_CONDITIONAL([GUILE], [test x$enable_guile = xyes])

AC_CHECK_PROG([XMLTO],[xmlto],[yes],[])

AM_CONDITIONAL([HAS_XMLTO], [test x$XMLTO = xyes])

dnl Checks for libraries.

AC_CHECK_LIB(socket,socket)

dnl Set the c++ compiler that we use for the build system when cross compiling

if test x$CXX_FOR_BUILD = x

then

  if test x$cross_compiling = xno; then

    CXX_FOR_BUILD=${CXX}

  else

    CXX_FOR_BUILD=g++

  fi

fi

AC_SUBST(CXX_FOR_BUILD)

dnl Check for SysV shm (mandatory)

dnl FIXME this is no longer mandatory.  Check the macro.

GR_SYSV_SHM

dnl Checks for header files.

AC_HEADER_STDC

AC_HEADER_SYS_WAIT

AC_CHECK_HEADERS(fcntl.h limits.h strings.h time.h sys/ioctl.h sys/time.h unistd.h)

AC_CHECK_HEADERS(linux/ppdev.h dev/ppbus/ppi.h sys/mman.h sys/select.h sys/types.h)

AC_CHECK_HEADERS(sys/resource.h stdint.h sched.h signal.h sys/syscall.h malloc.h)

AC_CHECK_HEADERS(windows.h)

AC_CHECK_HEADERS(vec_types.h)

AC_CHECK_HEADERS(netdb.h netinet/in.h arpa/inet.h sys/types.h sys/socket.h)

dnl Checks for typedefs, structures, and compiler characteristics.

AC_C_CONST

AC_C_INLINE

AC_TYPE_SIZE_T

AC_HEADER_TIME

AC_C_BIGENDIAN([GR_ARCH_BIGENDIAN=1],[GR_ARCH_BIGENDIAN=0])

AC_SUBST(GR_ARCH_BIGENDIAN)

AC_STRUCT_TM

dnl Checks for library functions.

AC_FUNC_ALLOCA

GR_CHECK_MEMALIGN

AC_FUNC_SETVBUF_REVERSED

AC_FUNC_VPRINTF

AC_CHECK_FUNCS([mmap select socket strcspn strerror strspn getpagesize sysconf])

AC_CHECK_FUNCS([snprintf gettimeofday nanosleep sched_setscheduler])

AC_CHECK_FUNCS([modf sqrt sigaction sigprocmask pthread_sigmask])

AC_CHECK_FUNCS([sched_setaffinity])

AC_CHECK_LIB(m, sincos, [AC_DEFINE([HAVE_SINCOS],[1],[Define to 1 if your system has `sincos'.])])

AC_CHECK_LIB(m, sincosf,[AC_DEFINE([HAVE_SINCOSF],[1],[Define to 1 if your system has `sincosf'.])])

AC_CHECK_LIB(m, sinf, [AC_DEFINE([HAVE_SINF],[1],[Define to 1 if your system has `sinf'.])])

AC_CHECK_LIB(m, cosf, [AC_DEFINE([HAVE_COSF],[1],[Define to 1 if your system has `cosf'.])])

AC_CHECK_LIB(m, trunc, [AC_DEFINE([HAVE_TRUNC],[1],[Define to 1 if your system has `trunc'.])])

AC_CHECK_LIB(m, exp10, [AC_DEFINE([HAVE_EXP10],[1],[Define to 1 if your system has 'exp10'.])])

AC_CHECK_LIB(m, log2, [AC_DEFINE([HAVE_LOG2],[1],[Define to 1 if your system has 'log2'.])])

#AC_FUNC_MKTIME

AH_BOTTOM([

#ifndef HAVE_TRUNC

#include <math.h>

inline static double trunc(double x)

{

  return x >= 0 ? floor(x) : ceil(x);

}

#endif

#ifndef HAVE_EXP10

#include <math.h>

inline static double exp10(double x)

{

  return pow(10.0, x);

}

#endif

#ifdef HAVE_WINDOWS_H

#define NOMINMAX

#endif

])

GR_CHECK_SHM_OPEN

GR_LIBGNURADIO_CORE_EXTRA_LDFLAGS

GR_CHECK_CREATEFILEMAPPING

dnl Check for Mingw support

GR_PWIN32

dnl Do we have "dot", part of the graphviz package from AT&T?

dnl Doxgen will use it to draw pretty diagrams ;-)

AC_CHECK_PROG(HAVE_DOT, [dot],[YES],[NO])

PKG_CHECK_MODULES(FFTW3F, fftw3f >= 3.0)

AC_SUBST(FFTW3F_LIBS)

dnl conditional build stuff

GR_CHECK_DOXYGEN

GR_SET_MD_CPU

dnl Define where to look for cppunit includes and libs

dnl sets CPPUNIT_CFLAGS and CPPUNIT_LIBS

dnl Try using pkg-config first, then fall back to cppunit-config.

PKG_CHECK_EXISTS(cppunit,

  [PKG_CHECK_MODULES(CPPUNIT, cppunit >= 1.9.14)],

  [AM_PATH_CPPUNIT([1.9.14],[],

		[AC_MSG_ERROR([GNU Radio requires cppunit.  Stop])])])

CPPUNIT_INCLUDES=$CPPUNIT_CFLAGS

AC_SUBST(CPPUNIT_INCLUDES)

dnl see if GUILE is installed

AC_PATH_PROG(GUILE,guile)

dnl

dnl We require the boost headers, thread lib and date_time lib.

dnl AX_BOOST_BASE finds the headers and the lib dir (-L<foo>)

dnl

dnl calls AC_SUBST(BOOST_CPPFLAGS), AC_SUBST(BOOST_LDFLAGS) and defines HAVE_BOOST

dnl

dnl Current Boost version requirement is >=1.35 for all platforms except Darwin,

dnl which requires >=1.37 for code in usrp host library.

case "$host_os" in

     darwin*)

        AX_BOOST_BASE([1.37])

        ;;

      *)

        AX_BOOST_BASE([1.35])

        ;;

esac

dnl calls AC_SUBST(BOOST_THREAD_LIB), AC_SUBST(BOOST_CXXFLAGS) and defines HAVE_BOOST_THREAD

AX_BOOST_THREAD

CXXFLAGS="$CXXFLAGS $BOOST_CXXFLAGS"       dnl often picks up a -pthread or something similar

CFLAGS="$CFLAGS $BOOST_CXXFLAGS"           dnl often picks up a -pthread or something similar

dnl

dnl all the rest of these call AC_SUBST(BOOST_<foo>_LIB) and define HAVE_BOOST_<foo>

dnl

AX_BOOST_DATE_TIME

dnl AX_BOOST_FILESYSTEM

dnl AX_BOOST_IOSTREAMS

AX_BOOST_PROGRAM_OPTIONS

dnl AX_BOOST_REGEX

dnl AX_BOOST_SERIALIZATION

dnl AX_BOOST_SIGNALS

dnl AX_BOOST_SYSTEM

dnl AX_BOOST_TEST_EXEC_MONITOR

dnl AX_BOOST_UNIT_TEST_FRAMEWORK

dnl AX_BOOST_WSERIALIZATION

BUILD_DATE=`date -u +"%a, %d %b %Y %R:%S"`

AC_SUBST(BUILD_DATE)

dnl SYSCONFDIR substitution

if test "${sysconfdir}" == "\${prefix}/etc" ; then

   if test "${prefix}" == "NONE" ; then

      SYSCONFDIR=["$ac_default_prefix/etc"]

   else

      SYSCONFDIR=["${prefix}/etc"]

   fi

else

   SYSCONFDIR=[${sysconfdir}]

fi

AC_SUBST(SYSCONFDIR)

dnl System configuration files

GR_PREFSDIR=[$SYSCONFDIR/${PACKAGE}/conf.d]

AC_SUBST(GR_PREFSDIR)

dnl Component specific configuration

dnl The order of the GR_ macros determines the order of compilation

dnl For -any- checks on $enable_all_components

dnl use the following guidelines:

dnl   yes : --enable-all-components was specified, so error out if any

dnl         components do not pass configuration checks.

dnl   no  : --disable-all-components was specified, so try to build the

dnl         --enable'd components, and error out if any do not pass

dnl         configuration checks.

dnl   ""  : this option was not specified on the command line; try to

dnl         build all components that are not --with'd, but don't

dnl         error out if any component does not pass configuration checks.

dnl

dnl For each --enable-foo component, if that flag is not specified on

dnl the command line, the related variable $enable_foo will be set to

dnl $enable_all_components .

AC_ARG_ENABLE(

    [all-components],

    [  --enable-all-components Build all configurable components (default), or stop on failed dependencies]

)

build_dirs="config"

GRC_GRUEL                       dnl must come first

GRC_VOLK

GRC_GCELL

GRC_GNURADIO_CORE

GRC_USRP

GRC_USRP2

GRC_GR_USRP			dnl this must come after GRC_USRP

GRC_GR_USRP2

GRC_GR_GCELL			dnl this must come after GRC_GCELL and GRC_GNURADIO_CORE

GRC_GR_MSDD6000	

GRC_GR_AUDIO_ALSA

GRC_GR_AUDIO_JACK

GRC_GR_AUDIO_OSS

GRC_GR_AUDIO_OSX

GRC_GR_AUDIO_PORTAUDIO

GRC_GR_AUDIO_WINDOWS

GRC_GR_ATSC

GRC_GR_COMEDI

GRC_GR_CVSD_VOCODER

GRC_GR_GPIO

GRC_GR_GSM_FR_VOCODER

GRC_GR_NOAA

GRC_GR_PAGER

GRC_GR_RADAR_MONO

GRC_GR_RADIO_ASTRONOMY

GRC_GR_TRELLIS

GRC_GR_VIDEO_SDL

GRC_GR_WXGUI

GRC_GR_QTGUI

GRC_GR_SOUNDER			dnl this must come after GRC_USRP

GRC_GR_UTILS                    dnl this must come after GRC_GR_WXGUI

GRC_GNURADIO_EXAMPLES		dnl must come after all GRC_GR_*

GRC_GRC

GRC_GR_UHD

GRC_DOCS			dnl must be last

# Each component is now either to be built, was skipped, will be

# included from pre-installed libraries and includes, or failed

# dependencies.

AC_SUBST([build_dirs], [$build_dirs])

AC_SUBST([skipped_dirs], [$skipped_dirs])

AC_SUBST([with_dirs], [$with_dirs])

# fix for older autotools that don't define these by default

AC_SUBST(abs_top_srcdir)

AC_SUBST(abs_top_builddir)

AC_SUBST(MKDIR_P)

# 'with' variables - the pre-installed libraries, includes, and paths

# - must always come last in the lists, so they require special

# treatment.

AC_SUBST(with_INCLUDES)

AC_SUBST(with_SWIG_INCLUDES)

AC_SUBST(with_PYDIRPATH)

AC_SUBST(with_SWIGDIRPATH)

AC_SUBST(with_LIBDIRPATH)

AC_SUBST(with_GUILE_LOAD_PATH)

# Local files tweaked by AC

AC_CONFIG_FILES([\

    Makefile \

    run_tests.sh \

    setup_guile_test_env \

    config/Makefile

])

dnl run_tests.sh is created from run_tests.sh.in .  Make it executable.

AC_CONFIG_COMMANDS([run_tests_build], [chmod +x run_tests.sh])

AC_OUTPUT

echo

echo "*********************************************************************"

echo The following GNU Radio components have been successfully configured:

echo 

for dir in $build_dirs

do

    echo $dir

done

echo

echo You my now run the 'make' command to build these components.

echo

if test "$skipped_dirs" != ""; then

    echo "*********************************************************************"

    echo The following components were skipped either because you asked not

    echo to build them or they didn\'t pass configuration checks:

    echo

    for dir in $skipped_dirs

    do

        echo $dir

    done

    echo

    echo These components will not be built.

    echo

fi

if test "$with_dirs" != ""; then

    echo "*********************************************************************"

    echo The following components will be included from pre-installed

    echo libraries and includes:

    echo

    for dir in $with_dirs

    do

        echo $dir

    done

    echo

    echo These components will not be built.

    echo

fi

echo Configured GNU Radio release $RELEASE for build.