dnl Copyright 2001,2002,2003,2004,2005,2006,2007 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)

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

if test x$cross_compiling != xno; then

  AC_MSG_NOTICE([Configuring GNU Radio for cross compilation])

else

  AC_MSG_NOTICE([Configuring GNU Radio for native compilation])

fi

AM_INIT_AUTOMAKE(gnuradio,3.1svn)

DEFINES=""

AC_SUBST(DEFINES)

dnl Remember if the user explicity set CXXFLAGS

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

  user_set_cxxflags=yes

fi

GR_X86_64		dnl check for lib64 suffix

LF_CONFIGURE_CC

LF_CONFIGURE_CXX

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*)

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

	   # (at least as of g++ 4.1.1)

	   swig_CXXFLAGS="-g1 -O2"

	;;

    	*) 

	swig_CXXFLAGS="-g -O1"

	;;

    esac

  fi

fi

AC_SUBST(autoconf_default_CXXFLAGS)

AC_SUBST(swig_CXXFLAGS)

LF_SET_WARNINGS

GR_SET_GPROF

GR_SET_PROF

AM_PROG_AS

AC_PROG_LN_S

AC_PROG_MAKE_SET

AC_PROG_INSTALL

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

AC_PROG_LIBTOOL

GR_FORTRAN

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

GR_SCRIPTING

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

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

dnl Checks for libraries.

AC_CHECK_LIB(socket,socket)

dnl check for threads (mandatory)

GR_OMNITHREAD

#AC_SUBST(PTHREAD_CFLAGS)

CFLAGS="${CFLAGS} $PTHREAD_CFLAGS"

CXXFLAGS="${CXXFLAGS} $PTHREAD_CFLAGS"

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 sys/mman.h sys/select.h sys/types.h)

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

AC_CHECK_HEADERS(windows.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

AC_STRUCT_TM

dnl Checks for library functions.

AC_FUNC_ALLOCA

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_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 Define where to find boost includes

dnl defines BOOST_CFLAGS

GR_REQUIRE_BOOST_INCLUDES

# If this is being done from a subversion tree, create variables

GR_SUBVERSION

dnl Component specific configuration

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

AC_ARG_ENABLE(

    [all-components],

    [  --enable-all-components Build all components or stop on failed dependencies]

)

build_dirs="config"

GRC_OMNITHREAD			dnl must come before gnuradio-core and mblock

GRC_GNURADIO_CORE

GRC_PMT

GRC_MBLOCK			dnl this must come after GRC_PMT

GRC_USRP

GRC_GR_USRP			dnl this must come after GRC_USRP

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_GSM_FR_VOCODER

GRC_GR_PAGER

GRC_GR_RADAR_MONO

GRC_GR_RADIO_ASTRONOMY

GRC_GR_TRELLIS

GRC_GR_VIDEO_SDL

GRC_GR_QTGUI

GRC_GR_WXGUI

GRC_GR_SOUNDER			dnl this must come after GRC_USRP

GRC_GR_UTILS

GRC_GNURADIO_EXAMPLES		dnl must come last

# Each component is now either to be built, was skipped, or failed dependencies

AC_SUBST([build_dirs], [$build_dirs])

AC_SUBST([skipped_dirs], [$skipped_dirs])

AC_CONFIG_FILES([\

    Makefile \

    run_tests.sh

    config/Makefile

])

dnl run_tests.sh is created from run_tests.in.sh.  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