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

AC_INIT(wm/sawman/sawman_wm.c)

AC_PREREQ(2.52)

#
# Making releases:
#   SAWMAN_MICRO_VERSION += 1;
#   SAWMAN_INTERFACE_AGE += 1;
#   SAWMAN_BINARY_AGE += 1;
# if any functions have been added, set SAWMAN_INTERFACE_AGE to 0.
# if backwards compatibility has been broken,
# set SAWMAN_BINARY_AGE and SAWMAN_INTERFACE_AGE to 0.
#
SAWMAN_MAJOR_VERSION=1
SAWMAN_MINOR_VERSION=4
SAWMAN_MICRO_VERSION=1
SAWMAN_INTERFACE_AGE=0
SAWMAN_BINARY_AGE=1
SAWMAN_VERSION=$SAWMAN_MAJOR_VERSION.$SAWMAN_MINOR_VERSION.$SAWMAN_MICRO_VERSION

AC_SUBST(SAWMAN_MAJOR_VERSION)
AC_SUBST(SAWMAN_MINOR_VERSION)
AC_SUBST(SAWMAN_MICRO_VERSION)
AC_SUBST(SAWMAN_INTERFACE_AGE)
AC_SUBST(SAWMAN_BINARY_AGE)
AC_SUBST(SAWMAN_VERSION)

AC_DEFINE_UNQUOTED(SAWMAN_VERSION,"$SAWMAN_VERSION",[The DirectFB version])

# libtool versioning
LT_RELEASE=$SAWMAN_MAJOR_VERSION.$SAWMAN_MINOR_VERSION
LT_CURRENT=`expr $SAWMAN_MICRO_VERSION - $SAWMAN_INTERFACE_AGE`
LT_REVISION=$SAWMAN_INTERFACE_AGE
LT_AGE=`expr $SAWMAN_BINARY_AGE - $SAWMAN_INTERFACE_AGE`

AC_SUBST(LT_RELEASE) 
AC_SUBST(LT_CURRENT) 
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)

VERSION=$SAWMAN_VERSION
PACKAGE=SaWMan

AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)

AM_MAINTAINER_MODE

AM_CONFIG_HEADER(config.h)

AC_DISABLE_STATIC 
AM_PROG_LIBTOOL
AM_SANITY_CHECK
AC_ISC_POSIX
AM_PROG_CC_STDC
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_HEADER_STDC
AC_C_BIGENDIAN
AC_PROG_CXX

AC_CHECK_HEADERS(stdbool.h)

#
# Find pkg-config
#
AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
if test x$PKG_CONFIG = xno ; then
  AC_MSG_ERROR([*** pkg-config not found. See http://pkgconfig.sourceforge.net])
fi

if ! pkg-config --atleast-pkgconfig-version 0.9 ; then
  AC_MSG_ERROR([*** pkg-config too old; version 0.9 or better required.])
fi

#
# Check for DirectFB-Internal
#
DFB_VERSION=1.2.0
AC_MSG_CHECKING(for DirectFB-Internal >= $DFB_VERSION)
  if $PKG_CONFIG --atleast-version $DFB_VERSION directfb-internal ; then
        MODULEDIR=$libdir/`$PKG_CONFIG --variable=moduledirname directfb-internal`
        DFB_CFLAGS=`$PKG_CONFIG --cflags directfb-internal`
        DFB_LIBS=`$PKG_CONFIG --libs directfb-internal`
	DFB_INTERNAL_VERSION=`$PKG_CONFIG --modversion directfb`
        AC_MSG_RESULT(found (version $DFB_INTERNAL_VERSION))
  else
        AC_MSG_ERROR([*** DirectFB-Internal >= $DFB_VERSION is required. ])
  fi



#
# Check for FusionDale
#
#FUSIONDALE_VERSION=0.1.0
#AC_MSG_CHECKING(for FusionDale >= $FUSIONDALE_VERSION)
#  if $PKG_CONFIG --atleast-version $FUSIONDALE_VERSION fusiondale ; then
#        FUSIONDALE_CFLAGS=`$PKG_CONFIG --cflags fusiondale`
#        FUSIONDALE_LIBS=`$PKG_CONFIG --libs fusiondale`
#        AC_MSG_RESULT(found (version $FUSIONDALE_INTERNAL_VERSION))
#  else
#        AC_MSG_ERROR([*** FusionDale >= $FUSIONDALE_VERSION is required. ])
#  fi


if test "x$GCC" = xyes; then
  DFB_CFLAGS="$DFB_CFLAGS -O3 -fexpensive-optimizations -ffast-math -Wall"
fi


#
# Conditional debugging support
#

AC_ARG_ENABLE(debug, [  --enable-debug          enable debugging support [[default=no]]],, enable_debug=no)
if test "x$enable_debug" = xyes; then
    AC_DEFINE(DFB_DEBUG, 1, [Define to 1 to enable debugging support.])
    DFB_CFLAGS="$DFB_CFLAGS -g3 -DDIRECT_ENABLE_DEBUG"
else
    DFB_CFLAGS="$DFB_CFLAGS -g0"
fi
AM_CONDITIONAL(ENABLE_DEBUG, test "x$enable_debug" = xyes)


DATADIR=$datadir/directfb
INCLUDEDIR=$includedir/sawman

# Honor aclocal flags
ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"


AM_CONDITIONAL(BUILD_STATIC, test "$enable_static" = "yes")


AC_SUBST(DFB_CFLAGS)
AC_SUBST(DFB_LIBS)
#AC_SUBST(FUSIONDALE_CFLAGS)
#AC_SUBST(FUSIONDALE_LIBS)
AC_SUBST(DATADIR)
AC_SUBST(MODULEDIR)
AC_SUBST(INCLUDEDIR)
AC_SUBST(PACKAGE)

CFLAGS="$CFLAGS -Werror-implicit-function-declaration"

AC_OUTPUT([
Makefile
sawman.pc
include/Makefile
samples/Makefile
src/Makefile
tools/Makefile
wm/Makefile
wm/sawman/Makefile
])


AC_MSG_RESULT([
Build options: 
  Module directory       $MODULEDIR
  Debug mode             $enable_debug
  CFLAGS                 $CFLAGS
])