AC_PREREQ(2.59)
AC_INIT([libslv2],[0.0.1],[dave@drobilla.net])
AC_CONFIG_SRCDIR([src/plugin.c])
AC_CONFIG_SRCDIR([slv2/plugin.h])
AC_CONFIG_SRCDIR([utils/lv2_list.c])
AC_CONFIG_HEADER([config.h])
AM_INIT_AUTOMAKE

# Checks for compiler
AC_PROG_CC
AM_PROG_CC_C_O

# Check pedantic other stuff autoscan says we should :)
AC_C_CONST
AC_C_INLINE
AC_HEADER_STDBOOL
AC_TYPE_SIZE_T

# Library building stuff
AC_PROG_LIBTOOL

# Check for debugging flag
debug="no"
AC_ARG_ENABLE(debug,
	[AS_HELP_STRING(--enable-debug, [Enable debugging (false)])],
	[debug="$enableval"])
if test "$debug" = "yes"; then
  CFLAGS="-O0 -g -DDEBUG"
  CXXFLAGS="-O0 -g -DDEBUG"
else
  CFLAGS="$CFLAGS -DNDEBUG"
  CXXFLAGS="$CFLAGS -DNDEBUG"
fi

# Check for strict flag
strict="no"
AC_ARG_ENABLE(strict,
	[AS_HELP_STRING(--enable-strict, [Enable strict compiler warnings and errors (false)])],
	[strict="$enableval"])
if test "$strict" = "yes"; then
  CFLAGS="$CFLAGS -std=c99 -pedantic -Wall -Wextra -Wconversion -Winit-self"
  CXXFLAGS="$CFLAGS -ansi -pedantic -Wall -Wextra -Wconversion -Winit-self"
fi


# Check for RAPTOR
#PKG_CHECK_MODULES(RAPTOR, raptor >= 0.21)

# Check for RASQAL
#PKG_CHECK_MODULES(RASQAL, rasqal >= 0.9.11)

# Check for Redland
#PKG_CHECK_MODULES(REDLAND, redland >= 1.0.0)
# No pkg-config?!  Booo!
AC_CHECK_PROG(REDLAND_CONFIG, redland-config, redland-config)
if test "X$REDLAND_CONFIG" = X; then
  AC_MSG_ERROR([SLV2 requires Redland (librdf), but redland-config not found.])
else
  REDLAND_CFLAGS=`$REDLAND_CONFIG --cflags`
  REDLAND_LIBS=`$REDLAND_CONFIG --libs`
  AC_SUBST(REDLAND_CFLAGS)
  AC_SUBST(REDLAND_LIBS)
fi

# Check for JACK
build_jack="yes"
AC_ARG_ENABLE(jack,
	[AS_HELP_STRING(--enable-jack, [Build JACK clients (true)])],
	[ if test x$enable_jack = xno ; then build_jack=no ; fi ])
if test "$build_jack" = "yes"; then
	PKG_CHECK_MODULES(JACK, jack >= 0.102.29, build_jack="yes", build_jack="no")
	AC_DEFINE(HAVE_JACK, 1, [Has JACK])
	AC_JACK_MIDI_NFRAMES_CHECK()  	   	
	if test "$jackmidi_nframes" == "yes"; then 	  	
		AC_DEFINE([JACK_MIDI_NEEDS_NFRAMES], 1, [Defined if we JACK MIDI functions need nframes parameter.]) 	  	
	fi
else
	AC_MSG_WARN("Sufficiently recent JACK not found, JACK clients will not be built.")
fi
AM_CONDITIONAL(WITH_JACK, [test "$build_jack" = "yes"])

# Check plugin install directory
#AC_MSG_CHECKING([where to install LV2 plugins])
#AC_ARG_WITH(lv2-dir,
#	AS_HELP_STRING([--with-lv2-dir=DIR],
#		[directory that LV2 plugins should be installed in ($libdir/lv2)]),
#	[lv2dir=$withval], [lv2dir=$libdir/lv2])
#AC_MSG_RESULT($lv2dir)
#AC_SUBST(lv2dir)


# Check ontology install directory
AC_MSG_CHECKING([where to install lv2.ttl])
AC_ARG_WITH(lv2-ttl-dir,
	AS_HELP_STRING([--with-lv2-ttl-dir=DIR],
		[directory where lv2.ttl should be installed ($datadir/lv2)]),
	[lv2ttldir=$withval], [lv2ttldir=$datadir/lv2])
AC_MSG_RESULT($lv2ttldir)
lv2ttlpath="$lv2ttldir/lv2.ttl"
AC_SUBST(lv2ttlpath)

# Write output files
AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([src/Makefile])
AC_CONFIG_FILES([slv2/Makefile])
AC_CONFIG_FILES([utils/Makefile])
AC_CONFIG_FILES([hosts/Makefile])
AC_CONFIG_FILES([data/Makefile])
AC_CONFIG_FILES([libslv2.pc])
AC_CONFIG_FILES([doc/Makefile])
AC_CONFIG_FILES([doc/reference.doxygen])

AC_OUTPUT

AC_MSG_RESULT([])
AC_MSG_RESULT([**********************************************************************])
AC_MSG_RESULT([SLV2 build configuration:])
AC_MSG_RESULT([])
AC_MSG_RESULT([Building JACK clients:     $build_jack])
AC_MSG_RESULT([Ontology install location: $lv2ttlpath])
AC_MSG_RESULT([**********************************************************************])
AC_MSG_RESULT([])