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

# get rid of that stupid cache mechanism
rm -f config.cache

AC_INIT(expedite, 0.6.0, enlightenment-devel@lists.sourceforge.net)
AC_PREREQ(2.52)
AC_CONFIG_SRCDIR(configure.in)

AM_INIT_AUTOMAKE(1.6 dist-bzip2)
AM_CONFIG_HEADER(config.h)

AC_ISC_POSIX
AC_PROG_CXX
AC_PROG_CC
AM_PROG_CC_STDC
AC_HEADER_STDC
AC_C_CONST

PKG_CHECK_MODULES([EVAS], evas)

#######################################
## Simple X11 build/link

AC_ARG_ENABLE(simple-x11,
  AC_HELP_STRING([--enable-simple-x11], [enable simple x11 linking]),
  [ want_evas_simple_x11=$enableval ]
)

### OpenGL GLEW
EXPEDITE_CHECK_ENGINE([opengl-glew], [OpenGL Glew], "yes", [glew_libs="-lglew32 -lgdi32"])

### OpenGL X11
EXPEDITE_CHECK_ENGINE([opengl-x11], [OpenGL X11], "yes")

### Software X11
EXPEDITE_CHECK_ENGINE([software-x11], [Software X11], "yes")

### XRender X11
EXPEDITE_CHECK_ENGINE([xrender-x11], [XRender X11], "yes")

### Software 16bit X11
EXPEDITE_CHECK_ENGINE([software-16-x11], [Software 16 bits X11], "yes")

### FB
EXPEDITE_CHECK_ENGINE([fb], [Framebuffer], "yes")

### DIRECTFB
EXPEDITE_CHECK_ENGINE([directfb], [DirectFB], "yes")

# TODO: Check availability of libs
### DirectDraw
EXPEDITE_CHECK_ENGINE([software-ddraw], [Software DirectDraw], "yes", [ddraw_libs="-lddraw -ldxguid"])

# TODO: Check availability of libs
### 16bit DirectDraw
EXPEDITE_CHECK_ENGINE([software-16-ddraw], [Software 16 bits DirectDraw], "yes", [ddraw_libs="-lddraw -ldxguid"])

# TODO: Check availability of libs
### Direct3D
EXPEDITE_CHECK_ENGINE([direct3d], [Direct3D], "yes", [d3d_libs="-ld3d9 -ld3dx9d"])

### Software SDL
EXPEDITE_CHECK_ENGINE([software-sdl], [Software SDL], "yes")

if test "x$have_software_x11" = "xyes" -o "x$have_software_16_x11" = "xyes" -o "x$have_xrender_x11" = "xyes" -o "x$have_opengl_x11" = "xyes"; then
  AC_PATH_XTRA
  AC_CHECK_HEADERS(X11/Xlib.h X11/Xutil.h,
    [ have_x11="yes" ],
    [ have_x11="no" ])
  if test "x$want_evas_simple_x11" = "xyes"; then
    x_libs="${x_libs} -lX11 -lXext"
  else
    x_dir=${x_dir:-/usr/X11R6}
    x_cflags=${x_cflags:--I${x_includes:-$x_dir/include}}
    x_libs="${x_libs:--L${x_libraries:-$x_dir/lib}} -lX11 -lXext"
  fi
fi
AM_CONDITIONAL(BUILD_X11, test "x$have_x11" = "xyes")

if test "x$have_software_sdl" = "xyes"; then
  PKG_CHECK_MODULES([SDL], sdl,
    [ have_sdl="yes" ],
    [ have_sdl="no" ])
fi
AM_CONDITIONAL(BUILD_SDL, test "x$have_sdl" = "xyes")

if test "x$have_directfb" = "xyes"; then
  PKG_CHECK_MODULES([DIRECTFB], directfb,
    [ have_directfb="yes" ],
    [ have_directfb="no" ])
fi
AM_CONDITIONAL(BUILD_DIRECTFB, test "x$have_directfb" = "xyes")

AC_SUBST(x_cflags)
AC_SUBST(x_libs)
AC_SUBST(ddraw_libs)
AC_SUBST(ddraw_16_libs)
AC_SUBST(d3d_libs)
AC_SUBST(glew_libs)

AC_OUTPUT([
Makefile
src/Makefile
src/bin/Makefile
data/Makefile
])

echo
echo "  $PACKAGE $VERSION"
echo
echo "  Engines:"
echo "    Software X11.................: ${have_software_x11}"
echo "    Software X11 16 bits.........: ${have_software_16_x11}"
echo "    X Render X11.................: ${have_xrender_x11}"
echo "    Open GL X11..................: ${have_opengl_x11}"
echo "    Open GL Glew.................: ${have_opengl_glew}"
echo "    Software DirectDraw..........: ${have_software_ddraw}"
echo "    Software DirectDraw 16 bits..: ${have_software_16_ddraw}"
echo "    Direct3D.....................: ${have_direct3d}"
echo "    Software SDL.................: ${have_software_sdl}"
echo "    FB...........................: ${have_fb}"
echo "    DirectFB.....................: ${have_directfb}"
echo
echo "  Installation:"
echo "    prefix.......................: ${prefix}"
echo