AC_PREREQ([2.71])
AC_INIT([engine], [alpha])
AC_CONFIG_SRCDIR([src/engine.cpp])
AC_CONFIG_HEADERS([src/config.h])
AC_CONFIG_AUX_DIR([build-aux])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([foreign subdir-objects])
AC_CONFIG_FILES([Makefile])

SDL_VERSION=2.0
AM_PATH_SDL2($SDL_VERSION,
             :,
             AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])
)
AC_CANONICAL_HOST
AS_CASE(["$host_os"],
    [linux-gnu], [
        DEPS_CFLAGS="$SDL_CFLAGS"
        DEPS_LIBS="$SDL_LIBS"
    ],
    [mingw32], [
        AC_PROG_CC([x86_64-w64-mingw32-g++-win32])
        DEPS_CFLAGS="-Ix86_64-w64-mingw32/include/SDL2"
        DEPS_LIBS="-Lx86_64-w64-mingw32/lib -lSDL2 -municode"
        AC_SUBST([DEPS_CFLAGS])
        AC_SUBST([DEPS_LIBS])
        AC_DEFINE(WINVER, 0x0400, [test])
        AC_DEFINE(__WIN95__, "", [test])
        AC_DEFINE(__GNUWIN32__, "", [test])
        AC_DEFINE(STRICT, "", [test])
        AC_DEFINE(HAVE_W32API_H, "", [test])
        AC_DEFINE(__WXMSW__, "", [test])
        AC_DEFINE(__WINDOWS__, "", [test])
    ],
    [*], [
        AC_MSG_ERROR([Unsupported OS.])
    ]
)
# AC_DEFINE(ENABLE_NCURSES, [], [Enable ncurses])
# AC_CHECK_LIB(ncurses, [initscr])

AC_PROG_CXX
AC_TYPE_UINT32_T
AC_CHECK_FUNCS([floor setlocale])
AC_OUTPUT