build: check for -lSDL2_image_bmp-jpg-png as a fallback for -lSDL2_image.

build/autotools/m4/lol-sdl.m4

@@ -91,7 +91,9 @@ if test "x${ac_cv_my_have_sdl}" = xno; then
      [ac_cv_my_have_sdl_mixer="no"])
     AC_CHECK_LIB(SDL2_image, main,
      [SDLIMAGE_LIBS="${SDLIMAGE_LIBS} -lSDL2_image"],
-     [ac_cv_my_have_sdl_image="no"])
+     [AC_CHECK_LIB(SDL2_image_bmp-jpg-png, main,
+       [SDLIMAGE_LIBS="${SDLIMAGE_LIBS} -lSDL2_image_bmp-jpg-png"],
+       [ac_cv_my_have_sdl_image="no"])])
     SDL_CFLAGS="${SDL_CFLAGS} ${SDLMIXER_CFLAGS} ${SDLIMAGE_CFLAGS}"
     SDL_LIBS="${SDL_LIBS} ${SDLMIXER_LIBS} ${SDLIMAGE_LIBS}"
   fi