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

AC_PREREQ(2.59)
AC_INIT(Hero of Allacrost - Demo, 0.2.1, roots@allacrost.org, allacrost)
AC_CONFIG_HEADERS(config.h)
AC_CONFIG_SRCDIR([src/main.cpp])
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE
AM_MAINTAINER_MODE

dnl Check for programs.
AC_PROG_CXX
AC_PROG_CC
AC_PROG_INSTALL
CXXFLAGS="-Wall"

dnl Check for compiler optimization option.
AC_MSG_CHECKING(whether to enable -O3 compiler optimization)
optimize_default="yes"
AC_ARG_ENABLE(optimize, [  --enable-optimize=[no/yes]  will build with -O3 compiler optimization [default=yes]], , enable_optimize=$optimize_default)
if test "x$enable_optimize" = "xyes"; then
    AC_MSG_RESULT(yes)
    CXXFLAGS="$CXXFLAGS -O3"
else
    AC_MSG_RESULT(no)
    CXXFLAGS="$CXXFLAGS -O0"
fi

dnl Check for debugging option.
AC_MSG_CHECKING(whether to enable debugging)
debug_default="no"
AC_ARG_ENABLE(debug, [  --enable-debug=[no/yes]     will build with debugging capability [default=no]], , enable_debug=$debug_default)
if test "x$enable_debug" = "xyes"; then
    AC_MSG_RESULT(yes)
    CXXFLAGS="$CXXFLAGS -g -pg"
else
    AC_MSG_RESULT(no)
fi

dnl Check for libraries.
AC_PATH_XTRA
X_LIBS="$X_LIBS -L/usr/X11R6/lib"
X_CFLAGS="$X_CFLAGS -I/usr/X11R6/include"
LIBS="$LIBS $X_LIBS"
CPPFLAGS="$CPPFLAGS $X_CFLAGS"

dnl Check for map editor and Qt.
AC_MSG_CHECKING(whether to enable usage of map editor)
editor_default="no"
AC_ARG_ENABLE(editor, [  --enable-editor=[no/yes]    will build the map editor [default=no]], , enable_editor=$editor_default)
if test "x$enable_editor" = "xyes"; then
    AC_MSG_RESULT(yes)
	HOA_FIND_QT4(HOA_QT4,,)
    dnl gw_CHECK_QT
	dnl QT_LIBS="-L/usr/lib/qt4"
	dnl QT_CFLAGS="-I/usr/include/qt4"
	dnl LIBS="$LIBS $QT_LIBS"
	dnl CPPFLAGS="$CPPFLAGS $QT_CFLAGS"
	dnl AC_CHECK_LIB([Qt3Support], [Q3Table::currentRow], [], [AC_MSG_ERROR([Qt3Support not found])])
	dnl AC_CHECK_LIB([QtCore], [QDir], [], [AC_MSG_ERROR([QtCore not found])])
	dnl AC_CHECK_LIB([QtGui], [QCheckBox], [], [AC_MSG_ERROR([QtGui not found])])
	dnl AC_CHECK_LIB([QtOpenGL], [QGLWidget], [], [AC_MSG_ERROR([QtOpenGL not found])])
else
    AC_MSG_RESULT(no)
fi
AM_CONDITIONAL([COND_EDITOR], [test "$enable_editor" = yes])

AC_CHECK_LIB([X11], [XCreateWindow], [], [AC_MSG_ERROR([X11 GLX not found])])
AC_CHECK_LIB([GL], [glGetString], [], [AC_MSG_ERROR([OpenGL not found])])
AC_CHECK_LIB([GLU], [gluGetString], [], [AC_MSG_ERROR([GLU not found])])

AC_CHECK_LIB([png], [png_read_info], [], \
	[echo "Could not find the png library. Check that it is properly installed on your system"
	 exit -1])	
AC_CHECK_LIB([jpeg], [jpeg_read_raw_data], [], \
	[echo "Could not find the jpeg library. Check that it is properly installed on your system"
	 exit -1])
AC_CHECK_LIB([SDL], [SDL_InitSubSystem], [], \
	[echo "Could not find the SDL library. Check that it is properly installed on your system"
	 exit -1])
AC_CHECK_LIB([openal], [alGetError], [], \
	[echo "You need to install the OpenAL library."
	 exit -1])
AC_CHECK_LIB([vorbisfile], [ov_open], [], \
	[echo "You should install the ALUT library for maximum performance."])
AC_CHECK_LIB([SDL_ttf], [TTF_Init], [], \
	[echo "Could not find the SDL_ttf library. Check that it is properly installed on your system"
	 exit -1])
AC_CHECK_LIB([SDL_net], [SDLNet_Init], [], \
	[echo "Could not find the SDL_net library. Check that it is properly installed on your system"
	 exit -1])
AC_CHECK_LIB([lua50], [lua_open], [], \
	[AC_CHECK_LIB([lua], [lua_open], [], \
		[echo "Could not find the lua library. Check that it is properly installed on your system"
		 exit -1])])
AC_CHECK_LIB([lualib50], [luaopen_table], [], \
	[AC_CHECK_LIB([lualib], [luaopen_table], [], \
		[echo "Could not find the lualib library. Check that it is properly installed on your system"
		 exit -1])])
AC_CHECK_LIB([luabind], [open], [], \
	[echo "Could not find the luabind library. Check that it is properly installed on your system"
	 exit -1])
AC_CHECK_LIB([m], [log], [], \
	[echo "Could not find the math library. Check that it is properly installed on your system"
	 exit -1])

AC_PATH_PROGS([LUA_CONFIG], [lua-config])

dnl Check for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS([stdlib.h string.h])

dnl Check for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_C_CONST
AC_C_INLINE
AC_TYPE_SIZE_T
AC_C_VOLATILE

dnl Check for library functions.
AC_FUNC_CLOSEDIR_VOID
AC_FUNC_MALLOC
AC_FUNC_STAT
AC_CHECK_FUNCS([atexit chdir mkdir rmdir sqrt strcasecmp])

AC_CONFIG_FILES([Makefile])

AC_OUTPUT

echo ""
echo "Now type 'make'."
echo ""