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)