diff --git a/configure.in b/configure.in index 462507273..ed6b5d14c 100644 --- a/configure.in +++ b/configure.in @@ -8,6 +8,12 @@ AC_PREFIX_DEFAULT([/usr]) AC_PROG_LIBTOOL AC_PROG_CC AC_PROG_CXX +AC_ARG_ENABLE([old-sdl], [ --enable-old-sdl Enabled compatibility for older version of SDL, missing some defines], + AC_DEFINE([SDL_BUTTON_X1], 6, [Needed for old SDL versions]) + AC_DEFINE([SDL_BUTTON_X2], 7, [Needed for old SDL versions]) + AC_DEFINE([SDL_BUTTON_X1MASK], [SDL_BUTTON(SDL_BUTTON_X1)], [Needed for old SDL versions]) + AC_DEFINE([SDL_BUTTON_X2MASK], [SDL_BUTTON(SDL_BUTTON_X2)], [Needed for old SDL versions]) +) AC_SEARCH_LIBS([sqrt], [m], [], AC_MSG_ERROR([Can't LÖVE without C math library])) AC_SEARCH_LIBS([SDL_Init], [SDL], [], AC_MSG_ERROR([Can't LÖVE without SDL])) AC_SEARCH_LIBS([glLoadIdentity], [GL], [], AC_MSG_ERROR([Can't LÖVE without OpenGL]))