File: configure.ac

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dnl ---
dnl configure.in for ecasound
dnl 
dnl Many of the tests and macros in this file have been borrowed from 
dnl other GPL-licensed packages (Alsaplayer, ALSA, SIP, PyQt, 
dnl kpackage, etc, etc).
dnl
dnl refs:
dnl  - http://www.gnu.org/software/autoconf/manual/
dnl  - http://www.gnu.org/software/automake/manual/
dnl  - http://www.gnu.org/software/libtool/manual/
dnl ---

dnl ------------------------------------------------------------------

dnl ---
dnl Initialize autoconf and automake
dnl ---
AC_INIT([ecasound], [2.9.1])
AC_PREREQ(2.50)
AC_CONFIG_SRCDIR([libecasound/audiofx.h])
AM_INIT_AUTOMAKE([1.6.1])

dnl FIXME: replace with AC_CONFIG_HEADERS when upgrading to a newer automake
AM_CONFIG_HEADER([config.h]) 

dnl ------------------------------------------------------------------

echo "------------------------------------------------------------------"
echo "1. Section: Basic setup"
echo "------------------------------------------------------------------"

dnl ---
dnl Set library interface version numbers
dnl
dnl defines: LIBECASOUND_VERSION, LIBECASOUNDC_VERSION, LIBKVUTILS_VERSION
dnl ---

LIBECASOUND_VERSION=24
LIBECASOUND_VERSION_AGE=0
LIBECASOUNDC_VERSION=2
LIBECASOUNDC_VERSION_AGE=1
LIBKVUTILS_VERSION=10
LIBKVUTILS_VERSION_AGE=0

AC_SUBST(LIBECASOUND_VERSION)
AC_SUBST(LIBECASOUND_VERSION_AGE)
AC_SUBST(LIBECASOUNDC_VERSION)
AC_SUBST(LIBECASOUNDC_VERSION_AGE)
AC_SUBST(LIBKVUTILS_VERSION)
AC_SUBST(LIBKVUTILS_VERSION_AGE)

AC_DEFINE_UNQUOTED([LIBECASOUND_VERSION], ${LIBECASOUND_VERSION}, [libecasound interface version])
AC_DEFINE_UNQUOTED([LIBECASOUND_VERSION_AGE], ${LIBECASOUND_VERSION_AGE}, [libecasound interface age])
AC_DEFINE_UNQUOTED([LIBECASOUNDC_VERSION], ${LIBECASOUNDC_VERSION}, [libecasoundc interface version])
AC_DEFINE_UNQUOTED([LIBKVUTILS_VERSION], ${LIBKVUTILS_VERSION}, [libkvutils interface version])
AC_DEFINE_UNQUOTED([LIBKVUTILS_VERSION_AGE], ${LIBKVUTILS_VERSION_AGE}, [libkvutils interface age])

dnl ------------------------------------------------------------------

dnl --
dnl Initialize default flags
dnl --
AC_PROG_CC
AC_PROG_CXX
AC_PROG_CPP
AC_LANG_CPLUSPLUS
AC_CANONICAL_HOST

dnl ---
dnl Set compiler flags
dnl
dnl AM_xxx flags are global flags that are always utilized 
dnl for compiling and linking. 
dnl
dnl It is possible to add custom options by adding them
dnl to the CPPFLAGS/CFLAGS/CXXFLAGS/LDFLAGS shell variables
dnl when invoking the configure script. It is not possible
dnl to override AM_xxx flags.
dnl
dnl modifies: AM_CXXFLAGS, AM_CFLAGS
dnl ---
EXTRACPPFLAGS="-D_REENTRANT -D_XOPEN_SOURCE=600"
EXTRAGCCFLAGS="-ffast-math -fstrict-aliasing"
if test x${GXX} = xyes; then
   AM_CXXFLAGS="$AM_CXXFLAGS $EXTRAGCCFLAGS"
fi
if test x${GCC} = xyes; then
   AM_CFLAGS="$AM_CFLAGS $EXTRAGCCFLAGS"
fi
AM_CPPFLAGS="$AM_CPPFLAGS $EXTRACPPFLAGS"

AC_SUBST(AM_CFLAGS)
AC_SUBST(AM_CXXFLAGS)
AC_SUBST(AM_CPPFLAGS)
AC_SUBST(AM_LDFLAGS)

dnl ------------------------------------------------------------------

dnl ---
dnl Sets up default values 
dnl ---

dnl Selected the Python ECI implementation.
eca_platform_python_impl="python"

dnl All components required by ecasound curses are found
eca_platform_curses_support="yes"

dnl ---
dnl Sets up some operating system specific options
dnl
dnl modifies: AM_CXXFLAGS, AM_CFLAGS, AM_CPPFLAGS, AM_LIBS
dnl ---

case "$host" in
	*-*-openbsd*)
               AM_CFLAGS="$AM_CFLAGS -pthread"
               AM_CXXFLAGS="$AM_CXXFLAGS -pthread"
               echo "Setting OpenBSD compilation options for POSIX threads"
               ;;
	*-*-freebsd*)
               AM_CFLAGS="$AM_CFLAGS -pthread"
               AM_CPPFLAGS="$AM_CPPFLAGS -D_THREAD_SAFE -D_P1003_1B_VISIBLE"
               AM_CXXFLAGS="$AM_CXXFLAGS -pthread"
               echo "Setting FreeBSD compilation options for POSIX threads"
               ;;
	*-*-solaris*)
               AM_CPPFLAGS="$AM_CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS -DUSE_SOLARIS"
	       LIBS="$LIBS -lposix4 -lpthread"
	       echo "Setting Solaris compilation options for POSIX threads"
	       if test x$CXX = xCC; then
	          LIBS="$LIBS -mt"
		  AM_CXXFLAGS="$AM_CXXFLAGS -instances=static"
		  echo "Sun Workshop C++ compiler detected. Enabling static template instantation."
	       fi
               ;;
	*-*-linux-gnu)
	       ;;
	alpha*-*-linux-*)
	       AM_CFLAGS="$AM_CFLAGS -mieee"
	       AM_CXXFLAGS="$AM_CXXFLAGS -mieee"
	       echo "Enabling fully IEEE compliant floating-point code generation on Alpha."
	       ;;
	*darwin*)
	       if test "$GCC" = yes; then
		  AM_CPPFLAGS="$AM_CPPFLAGS -D_P1003_1B_VISIBLE"
	       fi
	       ;;
	*)
	       echo "Using generic settings for POSIX thread support."
	       ;;
esac

dnl ------------------------------------------------------------------

dnl ---
dnl Check pthread and rt support
dnl ---

dnl switch to C while testing for pthread support
AC_LANG_C
AC_SEARCH_LIBS(pthread_create, pthread c_r,,
		AC_MSG_ERROR([** POSIX.4 threads not installed or broken **]))
AC_SEARCH_LIBS(clock_gettime, rt)
dnl switch back to C++
AC_LANG_CPLUSPLUS

echo "------------------------------------------------------------------"
echo "2. Section: Options for the configure script"
echo "------------------------------------------------------------------"

dnl ------------------------------------------------------------------

dnl ---
dnl Check whether to enable debugging
dnl
dnl defines: ECA_AM_DEBUG_MODE
dnl modifies: AM_CXXFLAGS, AM_CFLAGS
dnl ---

AC_MSG_CHECKING(whether to enable debugging)
AC_ARG_ENABLE(debug,
[  --enable-debug	  Enable debugging (default = no)],
  [
    case "$enableval" in
      y | yes)
        AC_MSG_RESULT(yes)
	include_debug=yes
      ;;

      n | no)
        AC_MSG_RESULT(no)
	include_debug=no
      ;;
        
      *)
        AC_MSG_ERROR([Invalid parameter value for --enable-debug: $enableval])
      ;;
    esac
 ]

)
AM_CONDITIONAL(ECA_AM_DEBUG_MODE, test x$include_debug = xyes)
if test x$include_debug = xyes; then
    EXTRADEBUGFLAGS="-Wall -O"
    AC_DEFINE([ECA_DEBUG_MODE], 1, [debugging mode build])
else
    EXTRADEBUGFLAGS="-DNDEBUG"
fi                                     
AM_CXXFLAGS="$AM_CXXFLAGS $EXTRADEBUGFLAGS"
AM_CFLAGS="$AM_CFLAGS $EXTRADEBUGFLAGS"

dnl ------------------------------------------------------------------

dnl ---
dnl Check for experimental mode
dnl
dnl defines: ECA_FEELING_EXPERIMENTAL, ECA_AM_FEELING_EXPERIMENTAL
dnl ---
AC_ARG_ENABLE(experimental,
	      [  --enable-experimental	  Enable experimental code (default = no)],
	      [
	      case "$enableval" in
	        y | yes)
		  AC_MSG_RESULT(yes)
		  experimental=yes
		;;

		n | no)
		  AC_MSG_RESULT(no)
		  experimental=no
		;;
        
		*)
		  AC_MSG_ERROR([Invalid parameter value for --enable-experimental: $enableval])
		;;
	      esac
	      ])
if test x$experimental = xyes; then
    AC_DEFINE([ECA_FEELING_EXPERIMENTAL], 1, [enable experimental features])
fi
AM_CONDITIONAL(ECA_AM_FEELING_EXPERIMENTAL, test x$experimental = xyes)

dnl ------------------------------------------------------------------

dnl ---
dnl Sets the ecasound prefix variable
dnl
dnl defines: ECA_PREFIX, ECA_S_PREFIX
dnl ---

dnl Define ecaprefix, prefer user-specified prefix if given
if test "x${prefix}" = "xNONE"; then
    ecaprefix=${ac_default_prefix}
else
    ecaprefix=${prefix}
fi
ECA_S_PREFIX=${ecaprefix}

AC_SUBST(ECA_S_PREFIX)
AC_DEFINE_UNQUOTED([ECA_PREFIX], "${ecaprefix}", [Ecasound configure script prefix])

dnl ------------------------------------------------------------------

dnl ---
dnl Check whether to enable design-by-contract assertations
dnl
dnl modifies: AM_CXXFLAGS, AM_CFLAGS
dnl ---

AC_MSG_CHECKING(whether to check design-by-contract assertions)
enable_dbc_d=yes
AC_ARG_ENABLE(dbc,
[  --disable-dbc		  Don't check design-by-contract assertions (default = check)],
  [
    case "$enableval" in
      y | yes)
        AC_MSG_RESULT(yes)
	enable_dbc_d=yes
      ;;

      n | no)
        AC_MSG_RESULT(no)
	enable_dbc_d=no
      ;;
        
      *)
        AC_MSG_ERROR([Invalid parameter value for --enable-dbc: $enableval])
      ;;
    esac
 ],[
    AC_MSG_RESULT(yes)
 ]
)
if test x$enable_dbc_d = xyes; then
AM_CXXFLAGS="$AM_CXXFLAGS -DENABLE_DBC"
AM_CFLAGS="$AM_CFLAGS -DENABLE_DBC"
fi                                     

dnl ------------------------------------------------------------------

dnl ---
dnl Check whether to disable effects
dnl
dnl defines: ECA_AM_DISABLE_EFFECTS, ECA_DISABLE_EFFECTS
dnl ---

AC_MSG_CHECKING(whether to enable effects)
AC_ARG_ENABLE(effects,
[  --disable-effects	  Disable effects (default = no)],
  [
    echo "Enableval: ${enableval}."
    case "$enableval" in
      y | yes)
        AC_MSG_RESULT(yes)
	enable_effects_d=yes
      ;;

      n | no)
        AC_MSG_RESULT(no)
	enable_effects_d=no
      ;;
        
      *)
        AC_MSG_ERROR([Invalid parameter value for --enable-effects: $enableval])
      ;;
    esac
  ],[
    AC_MSG_RESULT(yes)
    enable_effects_d=yes
  ]
)
AM_CONDITIONAL(ECA_AM_DISABLE_EFFECTS, test x$enable_effects_d = xno)
if test x$enable_effects_d = xno; then
    AC_DEFINE([ECA_DISABLE_EFFECTS], 1, [disable all effects])
fi                                     

dnl ------------------------------------------------------------------

dnl ---
dnl Check for extra compile flags
dnl
dnl modifies: ECA_S_EXTRA_CPPFLAGS, ECA_S_EXTRA_LIBS
dnl ---

AC_ARG_WITH(extra-cppflags,
	[  --with-extra-cppflags=FLAGS pass extra flags to cpp ],
	[
	    ECA_S_EXTRA_CPPFLAGS="${ECA_S_EXTRA_CPPFLAGS} ${withval}"
	])
AC_ARG_WITH(extra-libs,
	[  --with-extra-libs=FLAGS pass extra flags to linker ],
	[
	    ECA_S_EXTRA_LIBS="${ECA_S_EXTRA_LIBS} ${withval}"
	])

dnl ------------------------------------------------------------------

dnl ---
dnl Check for LFS (--with-largefile, --disable-largefile
dnl 
dnl NOTE: AC_CHECK_LARGEFILE is defined in acinlude.m4 and
dnl       use AC_SYS_LARGEFILE to perform the check.
dnl
dnl Refs:
dnl   http://www.gnu.org/software/hello/manual/autoconf/System-Services.html
dnl   http://ac-archive.sourceforge.net/largefile/future.html
dnl
dnl defines: enable_largefile
dnl ---
AC_CHECK_LARGEFILE

dnl ------------------------------------------------------------------


dnl ------------------------------------------------------------------

dnl ---
dnl Check for OSS driver support
dnl
dnl defines: ECA_COMPILE_OSS, ECA_AM_COMPILE_OSS
dnl ---

AC_CHECK_HEADER(sys/soundcard.h,oss_support=yes,oss_support=no)
AC_ARG_ENABLE(oss,
              [  --disable-oss		  Disable OSS (default = no)],
	      [
	      case "$enableval" in
	        y | yes)
		  AC_MSG_RESULT(yes)
		  oss_support=yes
		;;

		n | no)
		  AC_MSG_RESULT(no)
		  oss_support=no
		;;
        
		*)
		  AC_MSG_ERROR([Invalid parameter value for --enable-oss: $enableval])
		;;
	      esac
	      ])
AM_CONDITIONAL(ECA_AM_COMPILE_OSS, test x$oss_support = xyes)
if test x$oss_support = xyes; then
    AC_DEFINE([ECA_COMPILE_OSS], 1, [enable OSS audio input/output])
fi                                     

dnl ---
dnl Disabling OSS trigger functions
dnl
dnl defines: ECA_DISABLE_OSS_TRIGGER
dnl ---
AC_ARG_ENABLE(osstrigger,
	      [  --disable-osstrigger 	  Disable the use of OSS trigger functions (default = no)],
	      [
	      case "$enableval" in
	        y | yes)
		  AC_MSG_RESULT(yes)
		  osstrigger=yes
		;;

		n | no)
		  AC_MSG_RESULT(no)
		  osstrigger=no
		;;
        
		*)
		  AC_MSG_ERROR([Invalid parameter value for --enable-osstrigger: $enableval])
		;;
	      esac
	      ])
if test x$osstrigger = xyes; then
    AC_DEFINE([ECA_DISABLE_OSS_TRIGGER], 1, [disable use of OSS trigger API])
fi

dnl ------------------------------------------------------------------

dnl --
dnl Check for aRts support
dnl
dnl defines: ECA_AM_COMPILE_ARTS, ECA_COMPILE_ARTS
dnl modifies: ECA_S_EXTRA_CPPFLAGS, ECA_S_EXTRA_LIBS
dnl --
AC_PATH_PROG(ARTSC_CONFIG,artsc-config,none)
if test x$ARTSC_CONFIG = xnone; then
  arts_support=no
else
  arts_support=yes
  ECA_ARTSC_CFLAGS="`$ARTSC_CONFIG --cflags`"
  ECA_ARTSC_LIBS="`$ARTSC_CONFIG --libs`"
fi

if test x$arts_support = xyes; then
  old_LIBS=$LIBS
  LIBS="$LIBS $ECA_ARTSC_LIBS"
  old_CFLAGS=$CFLAGS
  CFLAGS="$CFLAGS $ECA_ARTSC_CFLAGS"
  AC_LANG_C
  AC_TRY_LINK(
  [ #include <artsc.h> ],
  [
	arts_init();
	return 0;
  ],
  [ /bin/true ],
  [ arts_support=no ]
  )
  AC_LANG_CPLUSPLUS
  LIBS=${old_LIBS}
  CFLAGS=${old_CFLAGS}
fi

AC_ARG_ENABLE(arts,
	      [  --disable-arts	  Disable aRts support (default = no)],
	      [
	      case "$enableval" in
	        y | yes)
		  AC_MSG_RESULT(yes)
		  arts_support=yes
		;;

		n | no)
		  AC_MSG_RESULT(no)
		  arts_support=no
		;;
        
		*)
		  AC_MSG_ERROR([Invalid parameter value for --enable-arts: $enableval])
		;;
	      esac
	      ])
AM_CONDITIONAL(ECA_AM_COMPILE_ARTS, test x$arts_support = xyes) 
if test x$arts_support = xyes; then
    ECA_S_EXTRA_CPPFLAGS="${ECA_S_EXTRA_CPPFLAGS} ${ECA_ARTSC_CFLAGS}"
    ECA_S_EXTRA_LIBS="${ECA_S_EXTRA_LIBS} ${ECA_ARTSC_LIBS}"
    AC_DEFINE([ECA_COMPILE_ARTS], 1, [enable aRts support])
fi                                     

dnl ------------------------------------------------------------------

dnl --
dnl Check for libsamplerate
dnl
dnl defines: ECA_AM_COMPILE_SAMPLERATE, ECA_COMPILE_SAMPLERATE
dnl modifies: ECA_S_EXTRA_CPPFLAGS, ECA_S_EXTRA_LIBS
dnl --
AC_CHECK_HEADER(samplerate.h,samplerate_support=yes,samplerate_support=no)
AC_ARG_WITH(libsamplerate,
	    [  --with-libsamplerate=DIR	Compile against libsamplerate installed in DIR],
	    [
	        ECA_SAMPLERATE_LIBS="-L${withval}/lib"
		ECA_SAMPLERATE_INCLUDES="-I${withval}/include"
		samplerate_support=yes
	    ])
AC_ARG_ENABLE(libsamplerate,
	      [  --disable-libsamplerate Disable libsamplerate support (default = no)],
	      [
	      case "$enableval" in
	        y | yes)
		  AC_MSG_RESULT(yes)
		  samplerate_support=yes
		;;

		n | no)
		  AC_MSG_RESULT(no)
		  samplerate_support=no
		;;
        
		*)
		  AC_MSG_ERROR([Invalid parameter value for --enable-samplerate: $enableval])
		;;
	      esac
	      ])
AM_CONDITIONAL(ECA_AM_COMPILE_SAMPLERATE, test x$samplerate_support = xyes)

if test x$samplerate_support = xyes; then
    ECA_S_EXTRA_CPPFLAGS="${ECA_S_EXTRA_CPPFLAGS} ${ECA_SAMPLERATE_INCLUDES}"
    ECA_SAMPLERATE_LIBS="${ECA_SAMPLERATE_LIBS} -lsamplerate"
    ECA_S_EXTRA_LIBS="${ECA_S_EXTRA_LIBS} ${ECA_SAMPLERATE_LIBS}"
    AC_DEFINE([ECA_COMPILE_SAMPLERATE], 1, [enable libsamplerate support])
fi                                     

dnl ------------------------------------------------------------------

dnl --
dnl Checks for pyecasound
dnl
dnl defines: ECA_S_PYTHON_INCLUDES, ECA_S_PYTHON_DLMODULES, 
dnl          ECA_AM_PYECASOUND_CEXT, ECA_AM_PYECASOUND_INSTALL
dnl --

dnl default impl depends on target platform
pyecasound_support=${eca_platform_python_impl}

AC_ARG_ENABLE(pyecasound,
	      [  --enable-pyecasound 	  Enable compilation of pyecasound (default = python)],
	      [
	      case "$enableval" in
	        y | yes)
		  pyecasound_support=python
		;;

		n | no | none)
		  pyecasound_support=none
		;;

		python)
		  pyecasound_support=python
		;;

		c)
		  AC_MSG_ERROR([C python implementation is deprecated. Use --enable-pyecasound=iwantc if you really need and want to use it. Please raise this on ecasound-list to stop the deprecation process.])
		;;

		iwantc)
		  pyecasound_support=c
		;;
        
		*)
		  pyecasound_support=python
		;;
	      esac
	      ])

dnl --
dnl Python interpreter and installation prefix

AC_PATH_PROG(PYTHONPATH,python,none)
if test x$PYTHONPATH = xnone; then
  pyecasound_support=none
  python_install_prefix=""
else
  python_install_prefix=`python -c "import sys; print (sys.prefix)"`
fi

dnl --
dnl Python header files

ECA_S_PYTHON_INCLUDES=
AC_MSG_CHECKING([for Python include files])

AC_ARG_WITH(python-includes, [  --with-python-includes=DIR  Python include files are in DIR])
if test ! "X$with_python_includes" = "X"
then
	python_incdirs=$with_python_includes
else
	python_incdirs="/usr/local/include /usr/include"
	dnl -- Double-brackets to espace the real brackets
	python_incdirsmore=`python -c "import sys; print (sys.prefix + '/include/python' + sys.version[[:3]])"`
	python_incdirs="$python_incdirs $python_incdirsmore"
fi

for d in $python_incdirs
do
	if test -r $d/Python.h
	then
		ECA_S_PYTHON_INCLUDES=$d
		break
	fi
done

AC_SUBST(ECA_S_PYTHON_INCLUDES)
if test "X$ECA_S_PYTHON_INCLUDES" = "X"
then
	AC_MSG_WARN([Python.h not found])
	if test x${pyecasound_support} = xc; then
	    dnl -- No python headers found, cannot compile C extension
	    pyecasound_support=python
	fi
else
	AC_MSG_RESULT($ECA_S_PYTHON_INCLUDES)
fi

dnl --
dnl Python modules

AC_MSG_CHECKING([for Python libraries])
AC_ARG_WITH(python-modules,
	    [  --with-python-modules=DIR install Python modules in DIR])

if test "X$with_python_modules" = "X"
then
    if test x${python_install_prefix} != x${ecaprefix} -a \
            x${ecaprefix} != x/usr -a \
	    x${ecaprefix} != x/usr/local ; then
        pyecasound_support=none
	AC_MSG_RESULT([none])
	if test x$PYTHONPATH != xnone; then
	    python_prefix_tmp=`python -c "import sys; print (sys.prefix + '/lib/python' + sys.version[[:3]])"`
	else
	    python_prefix_tmp="DIR"
	fi
        AC_MSG_WARN([
	***
	*** Python modules won't be installed as the module install prefix does
	*** not match ecasound's build prefix! To override, set python
	*** module directory explicitly (for example 
	*** "--with-python-modules=${python_prefix_tmp}").
	***
	])
    else
        pymoddirs="/usr/local/lib /usr/lib"
        dnl -- Double-brackets to espace the real brackets
        pymoddirsmore=`python -c "import sys; print (sys.prefix + '/lib/python' + sys.version[[:3]])"`
        pymoddirs="$pymoddirs $pymoddirsmore"
	AC_MSG_RESULT($pymoddirs)
    fi
else
    pymoddirs=$with_python_modules
    AC_MSG_RESULT($pymoddirs)
fi

dnl ---
dnl a hack to support broken debian python installs

AC_ARG_ENABLE(python-force-site-packages,
	      [  --enable-python-force-site-packages force install Python modules into site-packages even when it doesn't exist [default=no] ],
	      [
	      case "$enableval" in
	        y | yes)
		  AC_MSG_RESULT(yes)
		  python_force_site_packages=yes
		;;

		n | no)
		  AC_MSG_RESULT(no)
		  python_force_site_packages=no
		;;
        
		*)
		  AC_MSG_ERROR([Invalid parameter value for --enable-python-force-site-packages: $enableval])
		;;
	      esac
	      ])
            
AC_FIND_FILE(lib-dynload,$pymoddirs,ECA_S_PYTHON_MODULES)
dnl Use site-packages in preference if it is there.
if test -d $ECA_S_PYTHON_MODULES/site-packages -o "X$python_force_site_packages" = "Xyes"
then
    ECA_S_PYTHON_MODULES=$ECA_S_PYTHON_MODULES/site-packages
    ECA_S_PYTHON_DLMODULES=$ECA_S_PYTHON_MODULES
else
    ECA_S_PYTHON_DLMODULES=$ECA_S_PYTHON_MODULES/lib-dynload
fi
AC_SUBST(ECA_S_PYTHON_MODULES)
AC_SUBST(ECA_S_PYTHON_DLMODULES)

dnl if test x$disable_pyecasound = xyes ; then pyecasound_support=no ; fi
AM_CONDITIONAL(ECA_AM_PYECASOUND_CEXT, test x$pyecasound_support = xc)
AM_CONDITIONAL(ECA_AM_PYECASOUND_INSTALL, test x$pyecasound_support != xnone)

dnl ------------------------------------------------------------------

dnl --
dnl Checks for rubyecasound
dnl
dnl defines: ECA_S_RUBY_SITEDIR, 
dnl          ECA_AM_RUBYECASOUND_INSTALL
dnl --

dnl default to enabled if Ruby interpreter available
rubyecasound_support=yes

AC_ARG_ENABLE(rubyecasound,
	      [  --enable-rubyecasound	  Enable rubyecasound (default = yes)],
	      [
	      case "$enableval" in
	        y | yes)
		  rubyecasound_support=yes
		;;

		n | no | none)
		  rubyecasound_support=no
		;;

		*)
		  rubyecasound_support=no
		;;
	      esac
	      ])

dnl --
dnl Ruby interpreter and installation prefix

AC_PATH_PROG(RUBYPATH,ruby,none)
if test x$RUBYPATH = xnone; then
  rubyecasound_support=no
  ECA_S_RUBY_SITEDIR=""
else
  ECA_S_RUBY_SITEDIR="`ruby -e 'require "rbconfig"; include RbConfig; print CONFIG[["sitedir"]] + "/" + CONFIG[["MAJOR"]] + "." + CONFIG[["MINOR"]]'`"
fi

AC_SUBST(ECA_S_RUBY_SITEDIR)
AM_CONDITIONAL(ECA_AM_RUBYECASOUND_INSTALL, test x$rubyecasound_support = xyes)

dnl ------------------------------------------------------------------

echo "------------------------------------------------------------------"
echo "3. Section: Programs "
echo "------------------------------------------------------------------"

dnl ------------------------------------------------------------------

AC_CHECK_CXX_NAMESPACE_SUPPORT

dnl ------------------------------------------------------------------

dnl --
dnl Autotools and libtool
dnl --
AC_LANG_C
dnl do not add 'AC_DISABLE_SHARED' as pyecasound needs shared
dnl objects at link time (note that all the major libs are static)
AC_PROG_LIBTOOL
AC_LANG_CPLUSPLUS

dnl ------------------------------------------------------------------

echo "------------------------------------------------------------------"
echo "4. Section: Libraries"
echo "------------------------------------------------------------------"

dnl ---
dnl Check system libraries
dnl ---

dnl switch to C for testing
AC_LANG_C
dnl see also section 7 - functions 
AC_SEARCH_LIBS(inet_ntoa, socket nsl,, AC_MSG_ERROR([*** required inet_ntoa() function not found! ***]))
AC_SEARCH_LIBS(nanosleep, rt posix4)
AC_SEARCH_LIBS(sched_setscheduler, rt posix4)
AC_SEARCH_LIBS(socket, socket nsl,, AC_MSG_ERROR([*** required socket() function not found! ***]))
AC_SEARCH_LIBS(sin, m,, AC_MSG_ERROR([*** required sin() function not found! ***]))
AC_SEARCH_LIBS(dlopen, dl,, AC_MSG_ERROR([*** required dlopen() function not found! ***]))
dnl switch back to C++
AC_LANG_CPLUSPLUS

dnl ------------------------------------------------------------------

dnl ---
dnl Checks for ncurses/termcap
dnl
dnl defines: ECA_AM_USE_NCURSES, ECA_AM_USE_TERMCAP, ECA_USE_NCURSES_H,
dnl          ECA_USE_CURSES_H, ECA_HAVE_NCURSES_CURSES_H
dnl ---

dnl switch to C for testing
AC_LANG_C

AC_CHECK_LIB(ncurses, main, termcap_library=ncurses,
	AC_CHECK_LIB(termcap, main, termcap_library=termcap,
		termcap_library=none))

AC_ARG_ENABLE(ncurses,
	      [  --disable-ncurses	  Disable ncurses (default = no)],
	      [
	      case "$enableval" in
	        y | yes)
		  AC_MSG_RESULT(yes)
		  termcap_library=ncurses
		;;

		n | no)
		  AC_MSG_RESULT(no)
		  termcap_library=none
		;;
        
		*)
		  AC_MSG_ERROR([Invalid parameter value for --enable-ncurses: $enableval])
		;;
	      esac
	      ])

AM_CONDITIONAL(ECA_AM_USE_NCURSES, test $termcap_library = ncurses)
AM_CONDITIONAL(ECA_AM_USE_TERMCAP, test $termcap_library = termcap)

if test x$termcap_library = xtermcap; then
    AC_CHECK_HEADER(curses.h,
        AC_DEFINE([ECA_USE_CURSES_H], 1, [use ncurses.h for curses interface]),
	AC_MSG_ERROR([*** curses.h not found! Try with "./configure --disable-ncurses". ***]))
fi

if test x$termcap_library = xncurses; then
    AC_CHECK_HEADER(ncurses/ncurses.h,
        AC_DEFINE([ECA_USE_NCURSES_NCURSES_H], 1, [ncurses headers are installed in ncurses subdir <ncurses/ncurses.h>]),
        [
	    AC_CHECK_HEADER(ncurses.h,
		AC_DEFINE([ECA_USE_NCURSES_H], 1, [use curses.h for curses interface]),
		AC_MSG_ERROR([*** Neither ncurses.h or ncurses/ncurses.h found! Try with "./configure --disable-ncurses". ***]))
	])
fi

if test $termcap_library = xnone ; then
    eca_platform_curses_support=no
fi

dnl switch back to C++
AC_LANG_CPLUSPLUS

dnl ------------------------------------------------------------------

dnl ---
dnl Audiofile library
dnl 
dnl defines: ECA_AM_COMPILE_AUDIOFILE, ECA_COMPILE_AUDIOFILE
dnl modifies: ECA_S_EXTRA_LIBS
dnl ---
AC_CHECK_LIB(audiofile,main,af_support=yes,af_support=no)
AC_ARG_ENABLE(audiofile,
  [  --disable-audiofile	  Disable libaudiofile (default = no)],
  [
    case "$enableval" in
      y | yes)
        AC_MSG_RESULT(yes)
	af_support=yes
      ;;

      n | no)
        AC_MSG_RESULT(no)
	af_support=no
      ;;
        
      *)
        AC_MSG_ERROR([Invalid parameter value for --enable-audiofile: $enableval])
      ;;
    esac
 ]
)
AM_CONDITIONAL(ECA_AM_COMPILE_AUDIOFILE, test x$af_support = xyes) 

if test x$af_support = xyes; then
    ECA_S_EXTRA_LIBS="${ECA_S_EXTRA_LIBS} -laudiofile"
    AC_DEFINE([ECA_COMPILE_AUDIOFILE], 1, [enable libaudiofile support])
fi                                     

dnl ------------------------------------------------------------------

dnl ---
dnl Libsndfile support
dnl 
dnl defines: ECA_AM_COMPILE_SNDFILE, ECA_COMPILE_SNDFILE
dnl ---
AC_CHECK_LIB(sndfile,main,sndfile_support=yes,sndfile_support=no)
AC_ARG_ENABLE(sndfile,
  [  --disable-sndfile	  Disable libsndfile (default = no)],
  [
    case "$enableval" in
      y | yes)
        AC_MSG_RESULT(yes)
	sndfile_support=yes
      ;;

      n | no)
        AC_MSG_RESULT(no)
	sndfile_support=no
      ;;
        
      *)
        AC_MSG_ERROR([Invalid parameter value for --enable-sndfile: $enableval])
      ;;
    esac
  ]
)

if test x$sndfile_support = xyes; then
  AC_LANG_C
  AC_TRY_LINK(
  [ #include <sndfile.h> ],
  [
	SF_INFO sfinfo;
	sfinfo.frames = 0;
	return 0;
  ],
  [ /bin/true ],
  [ 
    sndfile_support=no 
    AC_MSG_WARN([Found an old version of libsndfile. Libsndfile 1.0.0 or newer is required.])
  ]
  )
  AC_LANG_CPLUSPLUS
fi

AM_CONDITIONAL(ECA_AM_COMPILE_SNDFILE, test x$sndfile_support = xyes)

if test x$sndfile_support = xyes; then
    ECA_S_EXTRA_LIBS="${ECA_S_EXTRA_LIBS} -lsndfile"
    AC_DEFINE([ECA_COMPILE_SNDFILE], 1, [enable libsndfile support])
fi                                     

dnl ------------------------------------------------------------------

dnl ---
dnl Check for ALSA driver support
dnl
dnl defines: ECA_AM_COMPILE_ALSA
dnl ---

AC_ARG_ENABLE(alsa,
              [  --disable-alsa	  Disable ALSA (default = no)],
	      [
	      case "$enableval" in
	        y | yes)
		  AC_MSG_RESULT(yes)
		  alsa_support=yes
		;;

		n | no)
		  AC_MSG_RESULT(no)
		  alsa_support=no
		;;
        
		*)
		  AC_MSG_ERROR([Invalid parameter value for --enable-alsa: $enableval])
		;;
	      esac
	      ])
if test x$alsa_support = x; then
    AC_CHECK_LIB(asound, snd_pcm_delay,
		 alsa_support=yes,
	         [
		   alsa_support=no 
		   AC_MSG_WARN([ALSA version older than 0.9.0 not supported - update to a newer version or compile with --disable-alsa])
		 ])
fi

AM_CONDITIONAL(ECA_AM_COMPILE_ALSA, test x$alsa_support = xyes)

if test x$alsa_support = xyes; then
    ECA_S_EXTRA_LIBS="${ECA_S_EXTRA_LIBS} -lasound"
    AC_DEFINE([ECA_COMPILE_ALSA], 1, [enable ALSA support])
fi    

dnl ------------------------------------------------------------------

AC_CHECK_JACK
ECA_S_EXTRA_CPPFLAGS="${ECA_S_EXTRA_CPPFLAGS} ${ECA_S_JACK_INCLUDES}"
ECA_S_EXTRA_LIBS="${ECA_S_EXTRA_LIBS} ${ECA_S_JACK_LIBS}"

dnl ------------------------------------------------------------------

dnl ---
dnl Check for already installed libkvutils
dnl
dnl defines: ECA_AM_KVUTILS_INSTALLED
dnl ---
AC_CHECK_LIB(kvutils,main,kvutils_installed=yes,kvutils_installed=no)
AM_CONDITIONAL(ECA_AM_KVUTILS_INSTALLED, test x$kvutils_installed = xyes)

dnl ------------------------------------------------------------------

dnl --
dnl Check whether to use an already installed readline library
dnl
dnl defines: ECA_AM_SYSTEM_READLINE, ECA_S_READLINE_INCLUDES, 
dnl          ECA_S_READLINE_LIBS
dnl --

AC_MSG_CHECKING(whether to build with system readline)
AC_ARG_ENABLE(sys_readline,
  [  --enable-sys-readline	  Compile with system readline (default=yes)],
  [
    case "$enableval" in
      y | yes)
        AC_MSG_RESULT(yes)
        enable_sysreadline=yes 
      ;;

      n | no)
        AC_MSG_RESULT(no)
        enable_sysreadline=no
      ;;
        
      *)
        AC_MSG_ERROR([Invalid parameter value for --enable-sys-readline: $enableval])
      ;;
    esac
  ],
  [
    AC_MSG_RESULT(yes)
    enable_sysreadline=yes
  ]
)

dnl Check for readline.h or readline/readline.h (same with history.h)
dnl and for readline and history libraries

if test x$enable_sysreadline = xyes; then
  AC_CHECK_HEADER(readline.h, ECA_S_READLINE_INCLUDES=/usr/include, 
    [AC_CHECK_HEADER(readline/readline.h,
		     ECA_S_READLINE_INCLUDES=/usr/include/readline,
      [
        AC_MSG_WARN([*** readline headers not installed ***])
	enable_sysreadline=no	 
      ])])

  AC_CHECK_HEADER(history.h,,
    [AC_CHECK_HEADER(readline/history.h,,
      [
        AC_MSG_WARN([*** readline history headers not installed ***])
	enable_sysreadline=no
      ])
    ])

  if test x${termcap_library} = xnone; then
     readline_extra_libs="";
  else
     readline_extra_libs="-l${termcap_library}"
  fi

  AC_CHECK_LIB(readline, main, ECA_S_READLINE_LIBS="-lreadline", 
    [
      AC_MSG_WARN([*** readline support not installed ***])
      enable_sysreadline=no
    ], ${readline_extra_libs})

  AC_CHECK_LIB(history, main, ECA_S_READLINE_LIBS="${ECA_S_READLINE_LIBS} -lhistory", 
    [
      AC_MSG_WARN([*** readline support not installed ***])
      enable_sysreadline=no
    ], ${readline_extra_libs})

else
  ECA_S_READLINE_INCLUDES=""
  ECA_S_READLINE_LIBS=""
fi

# if no readline library is found, disable platform-curses toggle
if test $enable_sysreadline = no ; then
    eca_platform_curses_support=no
fi

AM_CONDITIONAL(ECA_AM_SYSTEM_READLINE, test x$enable_sysreadline = xyes)
AC_SUBST(ECA_S_READLINE_INCLUDES)
AC_SUBST(ECA_S_READLINE_LIBS)

dnl ------------------------------------------------------------------

dnl --
dnl Check for liboil (optional)
dnl --

PKG_CHECK_MODULES([LIBOIL], [liboil-0.3], HAVE_LIBOIL=yes, HAVE_LIBOIL=no)
AC_MSG_CHECKING(whether to use liboil)
AC_ARG_ENABLE(liboil,
  [  --enable-liboil		Use liboil if available (default=no)],
  [
    case "$enableval" in
      y | yes)
        if test "x${HAVE_LIBOIL}" = xyes ; then 
	  AC_MSG_RESULT(yes)
          enable_liboil=yes 
        else
          AC_MSG_RESULT(no)
	  AC_MSG_WARN([--enable-liboil given but liboil library not available])
        fi
      ;;

      n | no)
        AC_MSG_RESULT(no)
        enable_liboil=no
      ;;
        
      *)
        AC_MSG_ERROR([Invalid parameter value for --enable-liboil: $enableval])
      ;;
    esac
  ],
  [
    if test "x${HAVE_LIBOIL}" = xyes ; then 
      AC_MSG_RESULT(yes)
      enable_liboil=yes 
    else
      AC_MSG_RESULT(no)
      AC_MSG_WARN([disabling liboil as library devel files are not available])
    fi
  ]
)

if test "x${enable_liboil}" = "xyes" ; then
  ECA_S_EXTRA_CPPFLAGS="${ECA_S_EXTRA_CPPFLAGS} ${LIBOIL_CFLAGS}"
  ECA_S_EXTRA_LIBS="${ECA_S_EXTRA_LIBS} ${LIBOIL_LIBS}"
  AC_DEFINE([ECA_USE_LIBOIL], 1, [Use liboil])
fi

dnl ------------------------------------------------------------------

dnl --
dnl Check for liblilv (optional)
dnl --

AC_MSG_CHECKING(whether to use liblilv for LV2 support)
AC_ARG_ENABLE(liblilv,
  [  --enable-liblilv		Use liblilv if available (default=yes)],
  [
    case "$enableval" in
      y | yes)
        PKG_CHECK_MODULES([LIBLILV], [lv2core lilv-0], HAVE_LIBLILV=yes, HAVE_LIBLILV=no)
        if test "x${HAVE_LIBLILV}" = xyes ; then 
	  AC_MSG_RESULT(yes)
          enable_liblilv=yes 
        else
          AC_MSG_RESULT(no)
	  AC_MSG_WARN([--enable-liblilv given but liblilv library not available])
        fi
      ;;

      n | no)
        AC_MSG_RESULT(no)
        enable_liblilv=no
      ;;
        
      *)
        AC_MSG_ERROR([Invalid parameter value for --enable-liblilv: $enableval])
      ;;
    esac
  ],
  [
    PKG_CHECK_MODULES([LIBLILV], [lv2core lilv-0 > 0.5.0 ], HAVE_LIBLILV=yes, HAVE_LIBLILV=no)
    enable_liblilv=${HAVE_LIBLILV}
    AC_MSG_RESULT(${enable_liblilv})
  ]
)

if test "x${enable_liblilv}" = "xyes" ; then
  ECA_S_EXTRA_CPPFLAGS="${ECA_S_EXTRA_CPPFLAGS} ${LIBLILV_CFLAGS}"
  ECA_S_EXTRA_LIBS="${ECA_S_EXTRA_LIBS} ${LIBLILV_LIBS}"
  AC_DEFINE([ECA_USE_LIBLILV], 1, [Use liblilv for LV2 support])
fi

dnl ------------------------------------------------------------------

dnl --
dnl Check for liblo (optional)
dnl --

PKG_CHECK_MODULES([LIBLO], [liblo], HAVE_LIBLO=yes, HAVE_LIBLO=no)
AC_MSG_CHECKING(whether to use liblo for OSC support)
AC_ARG_ENABLE(liblo,
  [  --enable-liblo		Use liblo if available (default=yes)],
  [
    case "$enableval" in
      y | yes)
        if test "x${HAVE_LIBLO}" = xyes ; then 
	  AC_MSG_RESULT(yes)
          enable_liblo=yes 
        else
          AC_MSG_RESULT(no)
	  AC_MSG_WARN([--enable-liblo given but liblo library not available])
        fi
      ;;

      n | no)
        AC_MSG_RESULT(no)
        enable_liblo=no
      ;;
        
      *)
        AC_MSG_ERROR([Invalid parameter value for --enable-liblo: $enableval])
      ;;
    esac
  ],
  [
    enable_liblo=${HAVE_LIBLO}
    AC_MSG_RESULT(${enable_liblo})
  ]
)

if test "x${enable_liblo}" = "xyes" ; then
  ECA_S_EXTRA_CPPFLAGS="${ECA_S_EXTRA_CPPFLAGS} ${LIBLO_CFLAGS}"
  ECA_S_EXTRA_LIBS="${ECA_S_EXTRA_LIBS} ${LIBLO_LIBS}"
  AC_DEFINE([ECA_USE_LIBLO], 1, [Use liblo for OSC support])
fi

dnl ------------------------------------------------------------------

dnl All non-std external libraries that libecasound depends on
AC_SUBST(ECA_S_EXTRA_CPPFLAGS)
AC_SUBST(ECA_S_EXTRA_LIBS)

dnl ------------------------------------------------------------------

echo "------------------------------------------------------------------"
echo "5. Section: Headers"
echo "------------------------------------------------------------------"

dnl ------------------------------------------------------------------

dnl ---
dnl Checks for system header files.
dnl ---
AC_HEADER_TIME
dnl Note! Header filenames must be on the same line!
AC_CHECK_HEADERS(dlfcn.h errno.h fcntl.h regex.h signal.h unistd.h sys/poll.h sys/stat.h sys/socket.h sys/time.h sys/types.h sys/wait.h sys/select.h,,
		 AC_MSG_ERROR([*** not all required header files were found ***]))
AC_CHECK_HEADERS(execinfo.h features.h inttypes.h locale.h ladspa.h sched.h stdint.h sys/mman.h termios.h)

dnl ------------------------------------------------------------------

dnl ---
dnl C++ specific checks
dnl ---
dnl AC_HEADER_STDC
AC_HEADER_STDC
dnl --- AC_CHECK_HEADER(stl.h,, 
dnl ---	AC_MSG_WARN([** C++/STL header files not found! ***]))
AC_LANG_CPLUSPLUS
AC_CHECK_HEADER(map,nostlmap=0,nostlmap=1)
if test "x$nostlmap" = "x1" ; then
	AC_MSG_ERROR([C++ header files not found! Searched for '<map>' (STL).])
fi

dnl ------------------------------------------------------------------

echo "------------------------------------------------------------------"
echo "6. Section: Typedefs and structures"
echo "------------------------------------------------------------------"

dnl ---
dnl Checks for typedefs, structures, and compiler characteristics.
dnl ---

AC_LANG_C
dnl AC_C_CONST
AC_C_BIGENDIAN
AC_TYPE_SIZE_T
AC_LANG_CPLUSPLUS

dnl ------------------------------------------------------------------

echo "------------------------------------------------------------------"
echo "7. Section: Functions"
echo "------------------------------------------------------------------"

dnl ---
dnl Checks for functions.
dnl ---
AC_FUNC_MMAP
AC_CHECK_FUNCS(execvp gettimeofday pthread_mutexattr_init,,
		      AC_MSG_ERROR([*** not all required library functions were found ***]))

AC_CHECK_FUNCS(clock_gettime)
AC_CHECK_FUNCS(mlockall)
AC_CHECK_FUNCS(munlockall)
AC_CHECK_FUNCS(nanosleep)
AC_CHECK_FUNCS(pause)
AC_CHECK_FUNCS(posix_memalign)
AC_CHECK_FUNCS(pthread_self)
AC_CHECK_FUNCS(pthread_getschedparam)
AC_CHECK_FUNCS(pthread_setschedparam)
AC_CHECK_FUNCS(pthread_sigmask)
AC_CHECK_FUNCS(pthread_kill)
AC_CHECK_FUNCS(sched_get_priority_max)
AC_CHECK_FUNCS(sched_getparam)
AC_CHECK_FUNCS(sched_getscheduler)
AC_CHECK_FUNCS(sched_setscheduler)
AC_CHECK_FUNCS(setlocale)
AC_CHECK_FUNCS(sigprocmask)
AC_CHECK_FUNCS(sigwait)
AC_CHECK_FUNCS(usleep)

dnl ------------------------------------------------------------------

dnl ---
dnl Check whether to disable all use of shared libs
dnl 
dnl Note! Must be run after all other autoconf tests as 
dnl       'ld' doesn't understand -all-static. 
dnl
dnl defines: ECA_STATIC_ONLY, ECA_AM_STATIC_ONLY
dnl modifies: AM_CXXFLAGS, AM_CFLAGS, AM_LDFLAGS
dnl ---
AC_ARG_ENABLE(all-static,
	      [  --enable-all-static	  Build only static binaries (default = no)],
	      [
	      case "$enableval" in
	        y | yes)
		  AC_MSG_RESULT(yes)
		  enable_all_static=yes
		;;

		n | no)
		  AC_MSG_RESULT(no)
		  enable_all_static=no
		;;
        
		*)
		  AC_MSG_ERROR([Invalid parameter value for --enable-all-static: $enableval])
		;;
	      esac
	      ])
if test x$enable_all_static = xyes; then
    AC_DEFINE([ECA_ALL_STATIC], 1, [disable all use of shared libs])
    AM_CXXFLAGS="$AM_CXXFLAGS -static"
    AM_CFLAGS="$AM_CFLAGS -static"
    AM_LDFLAGS="$AM_LDFLAGS -Bstatic -all-static"
fi
AM_CONDITIONAL(ECA_AM_ALL_STATIC, test x$enable_all_static = xyes)

dnl ------------------------------------------------------------------

dnl ---
dnl Checks for platform options
dnl ---

if test $eca_platform_curses_support == yes ; then
    AC_DEFINE([ECA_PLATFORM_CURSES], 1, [enable ecasound curses console interface])
fi

dnl ------------------------------------------------------------------

echo "------------------------------------------------------------------"
echo "8. Section: Output"
echo "------------------------------------------------------------------"

dnl ---
dnl Create output files
dnl ---

AC_OUTPUT([
Makefile
libecasound/Makefile
libecasound/libecasound-config
libecasound/plugins/Makefile
libecasoundc/Makefile
libecasoundc/libecasoundc-config
pyecasound/Makefile
rubyecasound/Makefile
ecasound/Makefile
ecatools/Makefile
kvutils/Makefile
Documentation/Makefile
Documentation/users_guide/Makefile
Documentation/programmers_guide/Makefile
examples/Makefile
])

dnl ---
dnl Print summary of the configured options
dnl ---

echo "-----------------------------------------------------------------"
echo "Following packages are now configured:"
echo "ecasound:               yes (ecasound,libecasound,libecasoundc)"
echo "ecatools:               yes"
if test x$pyecasound_support != xnone ; then
	if test x$pyecasound_support = xc ; then
		echo "pyecasound:             yes (as Python C extension module)"
	else
		echo "pyecasound:             yes (as native Python module)"
	fi
else
	echo "pyecasound:             no"
fi
if test x$rubyecasound_support = xyes ; then
	echo "rubyecasound:           yes"
else
	echo "rubyecasound:           no"
fi
echo "libkvutils:             yes"

echo "-----------------------------------------------------------------"
echo "Compiler options:"
echo "CFLAGS:                 $AM_CFLAGS $CFLAGS"
echo "CXXFLAGS:               $AM_CXXFLAGS $CXXFLAGS"
echo "CPPFLAGS:               $AM_CPPFLAGS $CPPFLAGS"
echo "LDFLAGS:                $AM_LDFLAGS $LDFLAGS"

echo "-----------------------------------------------------------------"
echo "Following features were selected:"
if test x$include_debug = xyes ; then
	echo "Debugging info:         yes"
else
	echo "Debugging info:         no"	
fi
if test x$enable_effects_d = xyes ; then
	echo "Effects enabled:        yes"
else
	echo "Effects enabled:        no"	
fi
if test x$termcap_library = xtermcap ; then
	echo "Termcap:                termcap"
fi
if test x$termcap_library = xncurses; then
	echo "Termcap:                ncurses"
fi
if test x$termcap_library = xnone; then
	echo "Termcap:                none"
fi
if test x$enable_sysreadline = xyes ; then
	echo "Use system readline:    yes"
else
	echo "Use system readline:    no"
fi
	echo "Use curses interface:   $eca_platform_curses_support"
if test x$af_support = xyes ; then
	echo "Libaudiofile:           yes"
else
	echo "Libaudiofile:           no"
fi
if test x$sndfile_support = xyes ; then
	echo "Libsndfile:             yes"
else
	echo "Libsndfile:             no"
fi
if test x$alsa_support = xyes ; then
	echo "ALSA support:           yes"
else
	echo "ALSA support:           no"
fi
if test x$oss_support = xyes ; then
	echo "OSS support:            yes"
else
	echo "OSS support:            no"
fi
if test x$arts_support = xyes ; then
	echo "aRts support:           yes"
else
	echo "aRts support:           no"
fi
if test x$jack_support = xyes ; then
	echo "JACK support:           yes"
else
	echo "JACK support:           no"
fi
if test x$samplerate_support = xyes ; then
	echo "Libsamplerate support   yes"
else
	echo "Libsamplerate support   no"
fi
if test x$enable_liblilv = xyes ; then
	echo "LV2 (liblilv) support:  yes"
else
	echo "LV2 (liblilv) support:  no"
fi
if test x$enable_liboil = xyes ; then
	echo "Liboil support:         yes"
else
	echo "Liboil support:         no"
fi
if test x$enable_liblo = xyes ; then
	echo "Liblo (OSC) support:    yes"
else
	echo "Liblo (OSC) support:    no"
fi

echo "-----------------------------------------------------------------"
echo "Following directories are used:"
echo "Directory prefix:       "$ECA_S_PREFIX
if test x$pyecasound_support = xc ; then
	echo "Python include dir:     "$ECA_S_PYTHON_INCLUDES
fi
if test x$pyecasound_support != xnone ; then
	echo "Python module dir:      "$ECA_S_PYTHON_MODULES
fi
if test x$rubyecasound_support != xnone ; then
	echo "Ruby module dir:        "$ECA_S_RUBY_SITEDIR
fi
if test "x$ECA_S_EXTRA_CPPFLAGS" != "x" ; then
	echo "Extra headers:          "$ECA_S_EXTRA_CPPFLAGS
fi
if test "x$ECA_S_EXTRA_LIBS" != "x" ; then
	echo "Extra libs:            "$ECA_S_EXTRA_LIBS
fi

echo "-------------------------------------------------------------------"
echo "Type 'make' to compile the package and 'make install' to install."
echo "Remember to use GNU Make, often installed as 'gmake'."
echo "-------------------------------------------------------------------"

dnl ------------------------------------------------------------------
dnl X. Section: End
dnl ------------------------------------------------------------------