如何用Android NDK解决ffmpeg的这种情况

我使用Android NDK来编译ffmpeg，当我运行config.sh时，发生了很多错误，如何解决它 .

Terry-L@Terry-L-HP /cygdrive/e/Android/android-ndk-r8d/samples/FFmpeg/jni/ffmpeg
$ ./config.sh

Unknown option "".
See ./configure --help for available options.
./config.sh: line 6: --target-os=linux: command not found
./config.sh: line 7: --arch=arm: command not found
./config.sh: line 8: --enable-version3: command not found
./config.sh: line 9: --enable-gpl: command not found
./config.sh: line 10: --enable-nonfree: command not found
./config.sh: line 11: --disable-stripping: command not found
./config.sh: line 12: --disable-ffmpeg: command not found
./config.sh: line 13: --disable-ffplay: command not found
./config.sh: line 14: --disable-ffserver: command not found
./config.sh: line 15: --disable-ffprobe: command not found
./config.sh: line 16: --disable-encoders: command not found
./config.sh: line 17: --disable-muxers: command not found
./config.sh: line 18: --disable-devices: command not found
./config.sh: line 19: --disable-protocols: command not found
./config.sh: line 20: --enable-protocol=file: command not found
./config.sh: line 21: --enable-avfilter: command not found
./config.sh: line 22: --disable-network: command not found
./config.sh: line 23: --disable-mpegaudio-hp: command not found
./config.sh: line 24: --disable-avdevice: command not found
./config.sh: line 25: --enable-cross-compile: command not found
./config.sh: line 26: --cc=/cygdrive/e/Android/android-ndk-r8d/toolchains/arm-li                                                                                                                nux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-gcc: No such file                                                                                                                 or directory
./config.sh: line 27: --cross-prefix=/cygdrive/e/Android/android-ndk-r8d/toolcha                                                                                                                ins/arm-linux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-: No su                                                                                                                ch file or directory
./config.sh: line 28: --nm=/cygdrive/e/Android/android-ndk-r8d/toolchains/arm-li                                                                                                                nux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-nm: No such file                                                                                                                 or directory
./config.sh: line 29: --extra-cflags=-fPIC -DANDROID: command not found
./config.sh: line 30: --disable-asm: command not found
./config.sh: line 31: --enable-neon: command not found
./config.sh: line 32: --enable-armv5te: command not found
./config.sh: line 33: --extra-ldflags=-Wl,-T,/cygdrive/e/Android/android-ndk-r8d

/toolchains/arm-linux-androideabi-4.6/prebuilt/windows/arm-linux-androideabi/lib /ldscripts/armelf_linux_eabi.x -Wl，-rpath-link = / cygdrive / e / Android / android-ndk-r 8d /平台/ android-14 / arch-arm / usr / lib -L / cygdrive / e / Android / android-ndk-r8d / p latforms / android-14 / arch-arm / usr / lib -nostdlib / cygdrive / e / Android / android-ndk -r 8d / toolchains / arm-linux-androideabi-4.6 / prebuilt / windows / lib / gcc / arm-linux-andro ideabi / 4.6 / crtbegin.o / cygdrive / e / Android / android-ndk-r8d / toolchains / arm-linux-a ndroideabi-4.6 / prebuilt / windows / lib / gcc / arm-linux-androideabi / 4.6 / crtend.o -lc - lm -ldl：没有这样的文件或目录