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• Unable to 'make' android ndk project - build fails : [build-openh264-x86] Error 2

  18 décembre 2015, par NoobNinja

  I’ve attempted these two fixes I’ve found while researching the issue :

  android update project  --23 --/Users/ajswann/Downloads/android-sdk-macosx 
  
  
  
  make OS=android NDKROOT=/Users/ajswann/Downloads/android-sdk-macosx TARGET=android-19 ARCH=x86 clean

  ...however neither seems to resolve the issue.

  Any input/suggestions are appreciated.

  P.S.

  I’m running OSX - could this be an issue with attempting to run an x86 architecture on a 64 bit machine ?

  Error Message :

  chris-mini-mac:linphone-android ajswann$ sudo make
  
  ls: /opt/local/etc/openssl/certs: No such file or directory
  
  /Users/ajswann/Downloads/android-sdk-macosx/tools/android update project --path . --target android-23
  
  Updated project.properties
  
  Updated local.properties
  
  build.xml: Found version-tag: custom. File will not be updated.
  
  Updated file ./proguard-project.txt
  
  It seems that there are sub-projects. If you want to update them
  
  please use the --subprojects parameter.
  
  /Users/ajswann/Downloads/android-sdk-macosx/tools/android update test-project --path tests -m .
  
  Resolved location of main project to: /groupchat/linphone-android/tests
  
  Updated project.properties
  
  Updated local.properties
  
  Updated file tests/proguard-project.txt
  
  Updated ant.properties
  
  /Users/ajswann/Downloads/android-sdk-macosx/tools/android update project --path liblinphone_tester --target android-23
  
  Updated project.properties
  
  Updated local.properties
  
  Updated file liblinphone_tester/proguard-project.txt
  
  ant -e -S clean
  
  Buildfile: /groupchat/linphone-android/build.xml
  
  No sub-builds to iterate on
  
  mkdir -p /groupchat/linphone-android/submodules/externals/openh264/include/wels
  
  rsync -rvLpgoc --exclude ".git"  /groupchat/linphone-android/submodules/externals/openh264/codec/api/svc/* /groupchat/linphone-android/submodules/externals/openh264/include/wels/.
  
  building file list ... done
  
  
  
  sent 156 bytes  received 20 bytes  352.00 bytes/sec
  
  total size is 56216  speedup is 319.41
  
  mkdir -p /groupchat/linphone-android/submodules/externals/build/openh264
  
  mkdir -p /groupchat/linphone-android/submodules/externals/build/openh264/arm
  
  cd /groupchat/linphone-android/submodules/externals/build/openh264/arm \
  
      && rsync -rvLpgoc --exclude ".git"  /groupchat/linphone-android/submodules/externals/openh264/* .
  
  building file list ... done
  
  
  
  sent 18841 bytes  received 20 bytes  37722.00 bytes/sec
  
  total size is 48272799  speedup is 2559.40
  
  cd /groupchat/linphone-android/submodules/externals/build/openh264/arm && \
  
      make libraries -j4 OS=android ARCH=arm NDKROOT=/Users/ajswann/Downloads/android-ndk-r10e TARGET=android-19
  
  cd ./ && sh ./codec/common/generate_version.sh
  
  Keeping existing codec/common/inc/version_gen.h
  
  mkdir -p /groupchat/linphone-android/submodules/externals/build/openh264
  
  mkdir -p /groupchat/linphone-android/submodules/externals/build/openh264/x86
  
  cd /groupchat/linphone-android/submodules/externals/build/openh264/x86 \
  
      && rsync -rvLpgoc --exclude ".git"  /groupchat/linphone-android/submodules/externals/openh264/* .
  
  building file list ... done
  
  
  
  sent 18841 bytes  received 20 bytes  12574.00 bytes/sec
  
  total size is 48272799  speedup is 2559.40
  
  cd /groupchat/linphone-android/submodules/externals/build/openh264/x86 && \
  
      make libraries -j4 OS=android ARCH=x86 NDKROOT=/Users/ajswann/Downloads/android-ndk-r10e TARGET=android-19
  
  cd ./ && sh ./codec/common/generate_version.sh
  
  nasm -DX86_32 -f elf -I./codec/common/x86/   -o codec/decoder/core/x86/dct.o codec/decoder/core/x86/dct.asm
  
  codec/decoder/core/x86/dct.asm:1: error: label or instruction expected at start of line
  
  codec/decoder/core/x86/dct.asm:144: error: label or instruction expected at start of line
  
  codec/decoder/core/x86/dct.asm:234: error: symbol `IdctResAddPred_mmx' redefined
  
  codec/decoder/core/x86/dct.asm:262: error: symbol `WelsBlockZero16x16_sse2' redefined
  
  codec/decoder/core/x86/dct.asm:276: error: symbol `WelsBlockZero8x8_sse2' redefined
  
  codec/decoder/core/x86/dct.asm:287: error: label or instruction expected at start of line
  
  make[1]: *** [codec/decoder/core/x86/dct.o] Error 1
  
  make[1]: *** Waiting for unfinished jobs....
  
  Keeping existing codec/common/inc/version_gen.h
  
  make[1]: *** wait: No child processes.  Stop.
  
  make: *** [build-openh264-x86] Error 2

  Source Repository (I simply clone it, add the platform-tools and tools folder from my android-sdk and run ’make’ and I get this error) :

  https://github.com/TheBaobabTeam/linphone-android

• Error building app : Undefined symbols for architecture armv7

  16 novembre 2022, par Chuck Mc Duran

  I am having an issue trying to build my program, which is using a C++ class to dela with FFmpeg objects :

  


      Undefined symbols for architecture armv7:
  "__Z13avcodec_open2P14AVCodecContextP7AVCodecPP12AVDictionary", referenced from:
      __Z10openStreamPKcb in RTPReader.o
  "__Z21avcodec_decode_audio4P14AVCodecContextP7AVFramePiP8AVPacket", referenced from:
      __Z13getStreamDataRPhRi in RTPReader.o
  "__Z20avformat_close_inputPP15AVFormatContext", referenced from:
      __Z11closeStreamv in RTPReader.o
  "__Z21avformat_network_initv", referenced from:
      __Z10openStreamPKcb in RTPReader.o
  "__Z26avcodec_get_frame_defaultsP7AVFrame", referenced from:
      __Z13getStreamDataRPhRi in RTPReader.o
  "__Z15av_register_allv", referenced from:
      __Z10openStreamPKcb in RTPReader.o
  "__Z19av_find_best_streamP15AVFormatContext11AVMediaTypeiiPP7AVCodeci", referenced from:
      __Z10openStreamPKcb in RTPReader.o
  "__Z14av_free_packetP8AVPacket", referenced from:
      __Z13getStreamDataRPhRi in RTPReader.o
      __Z11closeStreamv in RTPReader.o
  "__Z6av_logPviPKcz", referenced from:
      __Z10openStreamPKcb in RTPReader.o
      __Z13getStreamDataRPhRi in RTPReader.o
  "__Z19avformat_open_inputPP15AVFormatContextPKcP13AVInputFormatPP12AVDictionary", referenced from:
      __Z10openStreamPKcb in RTPReader.o
  "__Z26av_samples_get_buffer_sizePiii14AVSampleFormati", referenced from:
      __Z13getStreamDataRPhRi in RTPReader.o
  "__Z19avcodec_alloc_framev", referenced from:
      __Z13getStreamDataRPhRi in RTPReader.o
  "__Z25avformat_find_stream_infoP15AVFormatContextPP12AVDictionary", referenced from:
      __Z10openStreamPKcb in RTPReader.o
  "__Z13av_read_frameP15AVFormatContextP8AVPacket", referenced from:
      __Z13getStreamDataRPhRi in RTPReader.o
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)


  


  Somehow it is adding a prefix _Z## to all my C++ methods, and I don't know why.

  


  What could be the issue ?

  


• In what order should statically linked libraries for libavdevice and x11 be linked ?

  15 janvier 2020, par Curtis Dransfield

  Currently having a problem with statically linking my project. After adding avdevice as statically linked I received the following error.

   :-1 : error :
  /usr/lib/gcc/x86_64-linux-gnu/5/../../../x86_64-linux-gnu/libXext.a(XShm.o) :
  undefined reference to symbol ’_XGetBitsPerPixel’

  The following is a snippet of the libraries I’ve added statically.

  LIBS += -L"/usr/local/lib" \
  
              -L"/usr/local/lib64" \
  
              -lm -lz -llzma -lass -lfreetype -lmp3lame -ltheora -lvorbis -lvorbisenc -lva -lva-drm -lva-x11 -ldrm -logg -lvpx -lopenh264 -lavformat -lavcodec -lswscale -lavutil -lavfilter -lswresample -lavdevice -lX11 -lXfixes -lXext -lxcb -lXdmcp -lXau \

  I’ve tried moving -lXext in front of -lX11 but get a whole bunch of undefined references such as

  error: undefined reference to `uncompress'

  In what order do these statically linked libraries need to be in for the project to compile ?