AC_PREREQ(2.59)
AC_INIT([ManaPlus], [1.1.5.29], [akaras@inbox.ru], [manaplus])
AM_INIT_AUTOMAKE([1.9])
AC_CONFIG_HEADERS([config.h:config.h.in])
AC_LANG_CPLUSPLUS

# Checks for programs.
AC_PROG_CXX
AM_PROG_CC_C_O
AC_PROG_INSTALL

# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_TIME

# Checks for library functions.
AC_FUNC_ERROR_AT_LINE
AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_FUNC_SELECT_ARGTYPES
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([atexit floor getcwd gethostbyname memset mkdir select socket])

# Checks for internationalization support
AM_GNU_GETTEXT([external])
AM_GNU_GETTEXT_VERSION([0.16.1])

# Search for *-config
AC_PATH_PROG(SDL_CONFIG, sdl-config)
AC_PATH_PROG(PKG_CONFIG, pkg-config)
AC_PATH_PROG(CURL_CONFIG, curl-config)

# Checks for libraries
AC_CHECK_LIB([pthread], [pthread_create], ,
AC_MSG_ERROR([ *** Unable to find pthread library]))


if test -n "$SDL_CONFIG"; then
    LIBS="$LIBS `$SDL_CONFIG --libs`"
    CPPFLAGS="$CPPFLAGS `$SDL_CONFIG --cflags`"
fi
AC_CHECK_LIB([SDL], [SDL_Init], ,
AC_MSG_ERROR([ *** Unable to find SDL library (http://www.libsdl.org/)]))
AC_CHECK_HEADERS([SDL.h], ,
AC_MSG_ERROR([ *** SDL library found but cannot find headers (http://www.libsdl.org/)]))

AC_CHECK_LIB([z], [inflate], ,
AC_MSG_ERROR([ *** Unable to find zlib (http://www.gzip.org/zlib/)]))

AC_CHECK_LIB([physfs], [PHYSFS_init], ,
AC_MSG_ERROR([ *** Unable to find PhysFS library (http://icculus.org/physfs/)]))
AC_CHECK_HEADERS([physfs.h], ,
AC_MSG_ERROR([ *** PhysFS library found but cannot find headers (http://icculus.org/physfs/)]))

if test -n "$CURL_CONFIG"; then
    LIBS="$LIBS `$CURL_CONFIG --libs`"
    CPPFLAGS="$CPPFLAGS `$CURL_CONFIG --cflags`"
fi
AC_CHECK_LIB([curl], [curl_global_init], ,
AC_MSG_ERROR([ *** Unable to find CURL library (http://curl.haxx.se/)]))
AC_CHECK_HEADERS([curl/curl.h], ,
AC_MSG_ERROR([ *** CURL library found but cannot find headers (http://curl.haxx.se/)]))

if test -n "$PKG_CONFIG"; then
    LIBS="$LIBS `$PKG_CONFIG --libs libxml-2.0`"
    CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags libxml-2.0`"
fi
AC_CHECK_LIB([xml2], [xmlInitParser], ,
AC_MSG_ERROR([ *** Unable to find libxml2 library (http://xmlsoft.org/)]))
AC_CHECK_HEADERS([libxml/xmlreader.h], ,
AC_MSG_ERROR([ *** libxml2 library found but cannot find headers (http://xmlsoft.org/)]))

AC_CHECK_LIB(png, png_write_info, ,
AC_MSG_ERROR([ *** Unable to find png library]))

AC_CHECK_LIB(SDL_image, IMG_LoadPNG_RW, ,
AC_MSG_ERROR([ *** Unable to find SDL_image library with PNG support
(http://www.libsdl.org/projects/SDL_image/)]))

AC_CHECK_LIB(SDL_ttf, TTF_Quit, ,
AC_MSG_ERROR([ *** Unable to find SDL_ttf library (http://www.libsdl.org/projects/SDL_ttf/)]))

AC_CHECK_LIB([SDL_mixer], [Mix_OpenAudio], ,
AC_MSG_ERROR([ *** Unable to find SDL_mixer library (http://www.libsdl.org/projects/SDL_mixer/)]))


AC_CHECK_LIB(SDL_gfx, rotozoomSurfaceXY, ,
AC_MSG_ERROR([ *** Unable to find SDL_gfx library (http://www.ferzkopp.net/joomla/software-mainmenu-14/4-ferzkopps-linux-software/19-sdlgfx)]))
AC_CHECK_HEADERS(SDL_rotozoom.h, ,)

# === Check for X11 (check borrowed from Wormux) ========================
# Deactivated on purpose under OSX (in case X11 SDK is installed)
if test "x$OSX" != "xyes" ; then
  AC_CHECK_HEADER(X11/Xlib.h, check_x11="yes",check_x11="no")
  if test x${check_x11} = xno ; then
    AC_CHECK_HEADER(X11R6/Xlib.h,
                    [ check_x11="yes"
                      LDFLAGS="-L/usr/X11R6/include $CFLAGS"],
                    check_x11="no")
  fi
  if test x${check_x11} = xyes ; then
    AC_CHECK_LIB(X11, XOpenDisplay,
                 [ LIBS="$LIBS -lX11"
                   AC_DEFINE(USE_X11, 1, [Define to use X11 copy'n'paste]) ],
                 [])
  fi
fi

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([arpa/inet.h fcntl.h malloc.h netdb.h netinet/in.h stdlib.h string.h sys/socket.h unistd.h])

# Option to enable OpenGL
AC_ARG_WITH(opengl,[  --without-opengl        don't use OpenGL ] )
if test "x$with_opengl" == "xno"; then
    with_opengl=no
else
    with_opengl=yes
    AC_CHECK_LIB([GL], [glBegin], ,
    AC_MSG_ERROR([ *** Unable to find OpenGL library]))
    AC_DEFINE(USE_OPENGL, 1, [Defines if ManaPlus should have OpenGL support])
fi

# Option to enable internal guichan
AC_ARG_WITH(internalguichan,[  --without-internalguichan        don't use internal guichan ] )
if test "x$with_internalguichan" == "xno"; then
    with_internalguichan=no

    AC_CHECK_LIB([guichan], [gcnGuichanVersion], ,
    AC_MSG_ERROR([ *** Unable to find Guichan library (http://guichan.sf.net/)]))
    AC_CHECK_HEADERS([guichan.hpp], ,
    AC_MSG_ERROR([ *** Guichan library found but cannot find headers (http://guichan.sf.net/)]))

    AC_CHECK_HEADERS([guichan/widgetlistener.hpp], ,
    AC_MSG_ERROR([ *** Guichan library version is found  but version is < 0.8.0 (http://guichan.sf.net/)]))

    AC_CHECK_LIB([guichan_sdl], [gcnSDL], ,
    AC_MSG_ERROR([ *** Unable to find Guichan SDL library (http://guichan.sf.net/)]))

#    CPPFLAGS="-I/usr/include -I. -I.. $CPPFLAGS"
else
    with_internalguichan=yes

    CPPFLAGS="$CPPFLAGS -I./guichan/include"

    AC_DEFINE(USE_INTERNALGUICHAN, 1, [Defines if ManaPlus should use internal guichan classes])
fi
AM_CONDITIONAL(USE_INTERNALGUICHAN, test x$with_internalguichan = xyes)


AC_CHECK_LIB(SDL_net, SDLNet_Init, ,
AC_MSG_ERROR([ *** Unable to find SDL_net library]))

AC_CHECK_LIB(rt, shm_open, ,
AC_MSG_ERROR([ *** Unable to find librt library]))

# Enable manaserv
AC_ARG_ENABLE(manaserv,
[  --enable-manaserv    Turn on manaserv],
[case "${enableval}" in
  yes) with_manaserv=true ;;
  no)  with_manaserv=false ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-manaserv) ;;
esac],[with_manaserv=false])

AM_CONDITIONAL(ENABLE_MANASERV, test x$with_manaserv = xtrue)

# Enable portable
AC_ARG_ENABLE(portable,
[  --enable-portable    Turn on portable mode for linux],
[case "${enableval}" in
  yes) portable_enabled=true ;;
  no)  portable_enabled=false ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-portable) ;;
esac],[portable_enabled=false])

AM_CONDITIONAL(ENABLE_PORTABLE, test x$portable_enabled = xtrue)

# Enable debug
AC_ARG_ENABLE(memdebug,
[  --enable-memdebug    Turn on memory debug mode],
[case "${enableval}" in
  yes) memdebug_enabled=true ;;
  no)  memdebug_enabled=false ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --enable-memdebug) ;;
esac],[memdebug_enabled=false])

AM_CONDITIONAL(ENABLE_MEM_DEBUG, test x$memdebug_enabled = xtrue)

AC_CONFIG_FILES([
manaplus.spec
Makefile
src/Makefile
data/Makefile
data/fonts/Makefile
data/graphics/Makefile
data/graphics/gui/Makefile
data/graphics/images/Makefile
data/graphics/sprites/Makefile
data/sfx/Makefile
data/sfx/system/Makefile
data/themes/Makefile
data/themes/blackwood/Makefile
data/themes/classic/Makefile
data/themes/enchilado/Makefile
data/themes/mana/Makefile
data/themes/pink/Makefile
data/themes/redandblack/Makefile
data/themes/wood/Makefile
data/help/Makefile
data/help/es/Makefile
data/help/fr/Makefile
data/help/ru/Makefile
data/icons/Makefile
docs/Makefile
po/Makefile.in
])

AC_OUTPUT

echo
echo "Build with OpenGL: $with_opengl"
echo
echo "configure complete, now type \"make\""
echo