我编译了libffi, glib, gstream,gst-plugin-base,在编译QT时,用了-force-pkg-config ,出现了/opt/FriendlyARM/toolschain/4.5.1/lib/gcc/arm-none-linux-gnueabi/4.5.1/../../../../arm-none-linux-gnueabi/bin/ld: warning: libffi.so.6, needed by /home/work/gst/gstreamer/lib/libgstreamer-0.10.so, not found (try using -rpath or -rpath-link) 好像找不到libffi.so.6但我pkg_config_path已经包含了呀