dnl Process this file with autoconf to produce a configure script.

AC_INIT(configure.in)
AM_INIT_AUTOMAKE(jamin, 0.95.0)
AM_CONFIG_HEADER(config.h)
AM_MAINTAINER_MODE

#  AC_PROG_CC sets CFLAGS to -g -O2 if possible.  Save this string,
#  as `CFLAGS_OPT' for use as optimization flags.  But, don't
#  mindlessly use it for every compile.
USER_CFLAGS=$CFLAGS
AC_ISC_POSIX
AC_PROG_CC
AM_PROG_CC_STDC
AC_HEADER_STDC
AC_C_CONST
AC_C_VOLATILE
AC_C_INLINE
AC_ENABLE_STATIC(no)
AC_ENABLE_SHARED(yes)
AC_LIBTOOL_DLOPEN
AC_PROG_LIBTOOL
ALL_LINGUAS="ru"
AC_PROG_INTLTOOL

CFLAGS_OPT=$CFLAGS
CFLAGS=$USER_CFLAGS
AC_SUBST(CFLAGS_OPT)

AC_ARG_ENABLE(double-fft, [  --enable-double-fft Enable double precision fourier transform code - not recommended])

# Checks for libraries.
AC_CHECK_LIB([pthread], [pthread_self],,
	[AC_MSG_ERROR(You need libpthread installed)])
AC_CHECK_FUNC(sched_getscheduler,
	[AC_DEFINE(HAVE_POSIX_SCHED,,[POSIX scheduler support])])

PKG_CHECK_MODULES(JACK, jack >= 0.80.0)
AC_CHECK_LIB(jack,jack_client_create_thread,
	[AC_DEFINE(HAVE_JACK_CLIENT_CREATE_THREAD,,[newer JACK thread creation])]
	[AC_DEFINE(HAVE_JACK_CREATE_THREAD,,[JACK thread creation support])])
AC_CHECK_LIB(jack,jack_create_thread,
	[AC_DEFINE(HAVE_JACK_CREATE_THREAD,,[older JACK thread creation support])])
AC_CHECK_LIB(jack,jack_ringbuffer_create,
	[AC_DEFINE(HAVE_JACK_RINGBUFFER,,[JACK has ringbuffer support])])
AC_CHECK_LIB(jack,jack_client_name_size,
	[AC_DEFINE(HAVE_JACK_CLIENT_NAME_SIZE,,
		[JACK returns client name size])])
AC_CHECK_LIB(jack,jack_client_open,
	[AC_DEFINE(HAVE_JACK_CLIENT_OPEN,,
		[jack_client_open is available])])

[if test "${enable_double_fft+set}" = set; then]
	PKG_CHECK_MODULES(FFTW, fftw3 >= 3.0, AC_DEFINE(FFTW_TYPE, [double], [Datatype used by installed FFTW libraries]), [AC_MSG_ERROR([Didn't find any double precision FFTW3 libraries])])
[else]
	PKG_CHECK_MODULES(FFTW, fftw3f >= 3.0, AC_DEFINE(FFTW_TYPE, [float], [Datatype used by installed FFTW libraries]), [AC_MSG_ERROR([Didn't find any float FFTW3 libraries.
configure: error: Make sure you built FFTW with --enable-float.
configure: error: Double precision /can/ be used (--enable-double-fft),
configure: error: but this package will not run in realtime on many 2003
configure: error: era machines])])
[fi]

PKG_CHECK_MODULES(XML, libxml-2.0 >= 2.0)

# build OSC interface if enabled and liblo available
AC_ARG_ENABLE(osc,
	AC_HELP_STRING([--disable-osc],
		       [do not include Open Sound Control interface]),
	[], enable_osc=yes)
if test "$enable_osc" = yes; then
	USE_OSC="yes"
fi
if test "x$USE_OSC" = "xyes"; then
    PKG_CHECK_MODULES(OSC, liblo >= 0.5,
	[AC_DEFINE(HAVE_OSC, [yes], [Whether liblo OSC library is available])
	 [OSC_PROGS="jamin-scene"]],
	[AC_MSG_WARN([liblo not available, OSC support will not be built])
	 [USE_OSC="no"]])
fi
AC_SUBST(OSC_PROGS)
AM_CONDITIONAL(USE_OSC, test "x$USE_OSC" = "xyes")

# On Mac OS X the float functions for <math.h> are in -lmx
AC_CHECK_LIB([m], [sqrt],, [AC_MSG_ERROR(Can't find libm)])
AC_CHECK_LIB(m, log10f,, [
	AC_CHECK_LIB(mx, log10f,,
		[AC_MSG_ERROR([Can't find float libm])])])

pkg_modules="gtk+-2.0 >= 1.3.13"
PKG_CHECK_MODULES(PACKAGE, [$pkg_modules])
AC_SUBST(PACKAGE_CFLAGS)
AC_SUBST(PACKAGE_LIBS)

GETTEXT_PACKAGE=jamin
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE")
AM_GLIB_GNU_GETTEXT

JAMIN_LIBS="$FFTW_LIBS $XML_LIBS $JACK_LIBS $OSC_LIBS"
AC_SUBST(JAMIN_LIBS)
JAMIN_CFLAGS="-g $FFTW_CFLAGS $JACK_CFAGS $XML_CFLAGS $OSC_CFLAGS"
AC_SUBST(JAMIN_CFLAGS)
dnl Use -Wall if we have gcc.
changequote(,)dnl
if test "x$GCC" = "xyes"; then
  case " $JAMIN_CFLAGS " in
  *[\ \	]-Wall[\ \	]*) ;;
  *) JAMIN_CFLAGS="$JAMIN_CFLAGS -Wall" ;;
  esac
fi
changequote([,])dnl

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([stdlib.h string.h unistd.h])


# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE

# Checks for library functions.
AC_CHECK_FUNCS([atexit])

AC_OUTPUT([
Makefile
data/Makefile
po/Makefile.in
src/Makefile
src/jamin.1
pixmaps/Makefile
examples/Makefile
controller/Makefile
examples/jamin_ui
examples/marble_jamin_ui
])