dnl configure script for concentration
AC_INIT(src/concentration.c)
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE(concentration, 1.2)

AC_PROG_CC
AC_CHECK_FUNCS([atexit])
AC_C_CONST
AC_FUNC_MALLOC

dnl Check for SDL 1.2.4+
SDL_VERSION=1.2.4
AM_PATH_SDL($SDL_VERSION,:,AC_MSG_ERROR([*** SDL >= $SDL_VERSION not found!]))


AC_CHECK_LIB(SDL_mixer, Mix_OpenAudio,
  	     [AC_CHECK_HEADER(SDL/SDL_mixer.h, ,
  	         AC_MSG_ERROR(*** Cannot find the SDL/SDL_mixer.h header
	     goto http://www.libsdl.org to download or
	     check you with your distibution. 
	     ); exit)],
  	     AC_MSG_ERROR(*** Cannot find the SDL_mixer library 
	     goto http://www.libsdl.org to download or
	     check you with your distibution. 
	     ); exit)

AC_CHECK_LIB(SDL_ttf, TTF_Quit,
  	     [AC_CHECK_HEADER(SDL/SDL_ttf.h, ,
  	         AC_MSG_ERROR(*** Cannot find the SDL/SDL_ttf.h header
	     goto http://www.libsdl.org to download or
	     check you with your distibution. 
	     ); exit)],
  	     AC_MSG_ERROR(
	     *** Cannot find the SDL_ttf library 
	     goto http://www.libsdl.org to download or
	     check you with your distibution. 
	     ); exit)

AC_CHECK_LIB(SDL_image, IMG_Load,
  	     [AC_CHECK_HEADER(SDL/SDL_image.h, ,
  	         AC_MSG_ERROR(*** Cannot find the SDL/SDL_image.h header
	     goto http://www.libsdl.org to download or
	     check you with your distibution. 

	     ); exit)],
  	     AC_MSG_ERROR(*** Cannot find the SDL_image library 
	     goto http://www.libsdl.org to download or
	     check you with your distibution. 
	     ); exit)

dnl Get compile and linking flags
CFLAGS="$CFLAGS $SDL_CFLAGS -std=gnu99 -W -pedantic -Dsg_data_path=\\\"$datadir/$PACKAGE/\\\""
LIBS="$LIBS $SDL_LIBS -lSDL_mixer -lSDL_image -lSDL_ttf"

dnl Generate Makefile
AC_OUTPUT([Makefile
pics/Makefile
pics/set1/Makefile
pics/set2/Makefile
pics/set3/Makefile
sounds/Makefile
src/Makefile
fonts/Makefile])