android vlc compile error fix

http://blog.csdn.net/fanbird2008/article/details/21470811

1. reproduce the error.

1.1 compile android vlc first time successfully

sh compile.sh release

1.2 recompile android vlc second time

sh compile.sh release

1.3 error arise in compiling android vlc second time

The following error will produce.

/opt/android/android-ndk-r9c/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86/bin/../lib/gcc/arm-linux-androideabi/4.6/../../../../arm-linux-androideabi/bin/ld: .././vlc/contrib/arm-linux-androideabi/lib/libpng.a(pngrutil.o): in function png_inflate_claim:pngrutil.c:405:
error: undefined reference to 'inflateReset2'

collect2: ld returned 1 exit status

make[1]: *** [obj/local/armeabi-v7a/libvlcjni.so] Error 1

make[1]: Leaving directory `/home/frank/workspace/vlc_android_decrypt/vlc-android'

make: *** [vlc-android/obj/local/armeabi-v7a/libvlcjni.so] Error 2

rm android-libs/libmedia.c android-libs/libutils.c android-libs/libstagefright.c android-libs/libbinder.c

2. fix the bug

modify vlc-android/jni/Android.mk, the red part is added for fixing the bug.

LOCAL_LDLIBS := -L$(VLC_CONTRIB)/lib \

        $(VLC_MODULES) \

        $(VLC_BUILD_DIR)/lib/.libs/libvlc.a \

        $(VLC_BUILD_DIR)/src/.libs/libvlccore.a \

        $(VLC_BUILD_DIR)/compat/.libs/libcompat.a \
        /home/frank/workspace/vlc_android3/vlc/contrib/arm-linux-androideabi/lib/libz.a \   or

        $(VLC_BUILD_DIR)/contrib/arm-linux-androideabi/lib/libz.a \

        -ldl -lz -lm -llog \

        -ldvbpsi -lebml -lmatroska -ltag \

        -logg -lFLAC -ltheora -lvorbis \

        -lmpeg2 -la52 \

        -lavformat -lavcodec -lswscale -lavutil -lpostproc -lgsm -lopenjpeg \

        -lliveMedia -lUsageEnvironment -lBasicUsageEnvironment -lgroupsock \

        -lspeex -lspeexdsp \

        -lxml2 -lpng -lgnutls -lgcrypt -lgpg-error \

        -lnettle -lhogweed -lgmp \

        -lfreetype -liconv -lass -lfribidi -lopus \

        -lEGL -lGLESv2 -ljpeg \

        $(CPP_STATIC)