-########################################################################### gtk2
-build_para_krell="yes"
-OLD_CPPFLAGS="$CPPFLAGS"
-OLD_LD_FLAGS="$LDFLAGS"
-OLD_LIBS="$LIBS"
-pkg_modules="gtk+-2.0 >= 2.0.0"
-PKG_CHECK_MODULES(GLIB, [glib-2.0 >= 2.0.4], [], [build_para_krell="no"])
-PKG_CHECK_MODULES(GTK, [$pkg_modules], [], [build_para_krell="no"])
-CPPFLAGS="$GTK_CFLAGS $GLIB_CFLAGS"
-LDFLAGS="$LDFLAGS $GTK_LIBS"
-AC_CHECK_HEADER(gkrellm2/gkrellm.h, [], [build_para_krell="no"])
-if test "$build_para_krell" = "yes"; then
- AC_SUBST(GTK_CFLAGS)
- AC_SUBST(GTK_LIBS)
- extras="$extras para_krell.so"
-else
- AC_MSG_WARN([can not build para_krell])
-fi
-CPPFLAGS="$OLD_CPPFLAGS"
-LDFLAGS="$OLD_LDFLAGS"
-LIBS="$OLD_LIBS"
-########################################################################### sdl
-# FIXME
-AC_CHECK_LIB([SDL_image], [SDL_Init], [extras="$extras para_sdl_gui"], [
- AC_MSG_WARN([libSDL_image not found, cannot build para_sdl_gui])
-])
-AC_CHECK_HEADER(SDL/SDL.h, [],
- [AC_MSG_WARN([SDL/SDL.h not found])])
-