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• Android cross compiling FFmpeg 2.8.2 with NDK r10e on a mac

  24 novembre 2015, par LostPuppy

  I am trying to compile the latest FFmpeg version 2.8.2 on a mac with NDK r10e and I keep getting the following error.

  ./libavutil/arm/bswap.h:42:13: error: instruction requires: armv6
  
  __asm__("rev16 %0, %0" : "+r"(x));

  I link to the config file is : config.log and the following is my build file. Any help is much appreciated

  #!/bin/bash
  
  
  
  NDK=/Users/Test/Documents/FFmpeg/android-ndk-r10e
  
  TOOL_DIR_ARM=$NDK/sources/ffmpeg-2.8.2/my-android-toolchain
  
  #TOOL_DIR_ARM=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64
  
  SYSROOT=$NDK/platforms/android-21/arch-arm
  
  
  
  if [ -d $TOOL_DIR_ARM ]; then
  
      echo "removing tool chain directory"
  
      rm -r $TOOL_DIR_ARM
  
  fi
  
  
  
  $NDK/build/tools/make-standalone-toolchain.sh \
  
      --platform=android-21 \
  
      --arch=arm \
  
      --install-dir=$TOOL_DIR_ARM \
  
      --toolchain=arm-linux-androideabi-clang3.6\
  
      --llvm-version=3.6 \
  
      --system=darwin-x86_64
  
  
  
  if [ -d $SYSROOT ]; then
  
      echo "$SYSROOT is a valid directory"
  
  fi
  
  
  
  function build_x264
  
  {
  
  cd x264
  
  
  
  # another build for phone
  
  
  
  ./configure \
  
  --cross-prefix=$NDK/sources/ffmpeg-2.8.2/my-android-toolchain/bin/arm-linux-androideabi- \
  
  --sysroot=$SYSROOT \
  
  --host=arm-linux \
  
  --enable-static \
  
  --enable-pic \
  
  --disable-cli 
  
  make clean
  
  make -j4
  
  make install
  
  
  
  cd ../
  
  }
  
  
  
  
  
  function build_one
  
  {
  
  cd android-ndk-r10e/sources/ffmpeg-2.8.2/
  
  
  
  # another build for phone
  
  ./configure \
  
  --sysroot=$SYSROOT \
  
  --target-os=linux \
  
  --arch=arm \
  
  --cross-prefix=$TOOL_DIR_ARM/bin/arm-linux-androideabi- \
  
  --cc=$TOOL_DIR_ARM/bin/clang \
  
  --enable-cross-compile \
  
  --enable-encoder=mpeg4 \
  
  --enable-pthreads \
  
  --enable-gpl \
  
  --enable-libx264 \
  
  --enable-pic \
  
  --extra-cflags='-I/usr/local/include' \
  
  --extra-ldflags='-L/usr/local/lib'
  
  
  
  make clean
  
  make -j4
  
  make install
  
  
  
  }
  
  echo "Building x_264 library"
  
  build_x264
  
  echo "Building FFmpeg"
  
  build_one

  one additional compile warning that I see is

  WARNING: /Users/Test/Documents/FFmpeg/android-ndk-r10e/sources/ffmpeg-2.8.2/my-andr`enter code here`oid-toolchain/bin/arm-linux-androideabi-pkg-config not found, library detection may fail.
  
  WARNING: using libx264 without pkg-config

• Building x264 on a Mac for android “No working C compiler found”

  20 novembre 2015, par LostPuppy

  I am trying to build x264 and eventually use it to build ffmpeg the following is my script :

  #!/bin/bash
  
  
  
  NDK="/Users/account/Documents/FFmpeg/android-ndk-r10e"
  
  TOOL_DIR_ARM="/Users/account/Documents/FFmpeg/android-ndk-r10e/sources/ffmpeg-2.8.2/my-android-toolchain"
  
  SYSROOT=$NDK/platforms/platforms/android-21/arch-arm
  
  echo "removing tool chain directory if it exists"
  
  rm -r $TOOL_DIR_ARM
  
  
  
  $NDK/build/tools/make-standalone-toolchain.sh \
  
      --platform=android-21 \
  
      --arch=arm \
  
      --install-dir=$TOOL_DIR_ARM \
  
      --toolchain=arm-linux-androideabi-clang3.6\
  
      --llvm-version=3.6 \
  
      --system=darwin-x86_64
  
  
  
  if [ -d $SYSROOT ]; then
  
      echo "$SYSROOT is a valid directory"
  
  fi
  
  
  
  function build_x264
  
  {
  
  cd x264
  
  
  
  # another build for phone
  
  ./configure \
  
  --cross-prefix=arm-linux-androideabi- \
  
  --sysroot=$SYSROOT \
  
  --host=arm-linux \
  
  --enable-static \
  
  --enable-pic \
  
  --disable-cli 
  
  
  
  make -j4
  
  make install
  
  
  
  cd ../
  
  }
  
  
  
  
  
  function build_one
  
  {
  
  cd 
  
  
  
  # another build for phone
  
  ./configure \
  
  --sysroot=$SYSROOT \
  
  --target-os=linux \
  
  --arch=arm \
  
  --cross-prefix=$TOOL_DIR_ARM/bin/arm-linux-androideabi- \
  
  --cc=$TOOL_DIR_ARM/bin/clang \
  
  --enable-cross-compile \
  
  --enable-encoder=mpeg4 \
  
  --enable-pthreads \
  
  --enable-gpl \
  
  --enable-libx264 \
  
  --enable-pic \
  
  --extra-cflags='-I/usr/local/include' \
  
  --extra-ldflags='-L/usr/local/lib'
  
  
  
  make clean
  
  make -j4
  
  make install
  
  
  
  }
  
  echo "Building x_264 library"
  
  build_x264
  
  echo "Building FFmpeg"
  
  build_one

  I get an error saying

  No working C compiler found.
  
  Makefile:3: config.mak: No such file or directory

  The following is the output from the config.log file

  checking for -mdynamic-no-pic... yes
  
  checking for -arch x86_64... yes
  
  x264 configure script
  
  
  
  checking whether gcc works... yes
  
  checking whether gcc supports for( int i = 0; i < 9; i++ ); with -std=gnu99... yes
  
  checking for -mpreferred-stack-boundary=5... no
  
  Failed commandline was:
  
  --------------------------------------------------
  
  gcc conftest.c -m64 -Qunused-arguments -Wall -I. -I$(SRCPATH) -mdynamic-no-pic -arch x86_64 -std=gnu99  -mpreferred-stack-boundary=5  -m64  -lm -arch x86_64$
  
  clang: error: unknown argument: '-mpreferred-stack-boundary=5'
  
  --------------------------------------------------
  
  Failed program was:
  
  --------------------------------------------------
  
  int main (void) {  return 0; }
  
  --------------------------------------------------
  
  checking whether yasm supports vpmovzxwd ymm0, xmm0... yes

  Solutions that I tried :

  I made sure I have a working GCC

  I have the update to date version of clang

  I have the update to date version of LLVM

• Building x264 on a Mac for android “No working C compiler found”

  20 novembre 2015, par LostPuppy

  I am trying to build x264 and eventually use it to build ffmpeg the following is my script :

  #!/bin/bash
  
  
  
  NDK="/Users/account/Documents/FFmpeg/android-ndk-r10e"
  
  TOOL_DIR_ARM="/Users/account/Documents/FFmpeg/android-ndk-r10e/sources/ffmpeg-2.8.2/my-android-toolchain"
  
  SYSROOT=$NDK/platforms/platforms/android-21/arch-arm
  
  echo "removing tool chain directory if it exists"
  
  rm -r $TOOL_DIR_ARM
  
  
  
  $NDK/build/tools/make-standalone-toolchain.sh \
  
      --platform=android-21 \
  
      --arch=arm \
  
      --install-dir=$TOOL_DIR_ARM \
  
      --toolchain=arm-linux-androideabi-clang3.6\
  
      --llvm-version=3.6 \
  
      --system=darwin-x86_64
  
  
  
  if [ -d $SYSROOT ]; then
  
      echo "$SYSROOT is a valid directory"
  
  fi
  
  
  
  function build_x264
  
  {
  
  cd x264
  
  
  
  # another build for phone
  
  ./configure \
  
  --cross-prefix=arm-linux-androideabi- \
  
  --sysroot=$SYSROOT \
  
  --host=arm-linux \
  
  --enable-static \
  
  --enable-pic \
  
  --disable-cli 
  
  
  
  make -j4
  
  make install
  
  
  
  cd ../
  
  }
  
  
  
  
  
  function build_one
  
  {
  
  cd 
  
  
  
  # another build for phone
  
  ./configure \
  
  --sysroot=$SYSROOT \
  
  --target-os=linux \
  
  --arch=arm \
  
  --cross-prefix=$TOOL_DIR_ARM/bin/arm-linux-androideabi- \
  
  --cc=$TOOL_DIR_ARM/bin/clang \
  
  --enable-cross-compile \
  
  --enable-encoder=mpeg4 \
  
  --enable-pthreads \
  
  --enable-gpl \
  
  --enable-libx264 \
  
  --enable-pic \
  
  --extra-cflags='-I/usr/local/include' \
  
  --extra-ldflags='-L/usr/local/lib'
  
  
  
  make clean
  
  make -j4
  
  make install
  
  
  
  }
  
  echo "Building x_264 library"
  
  build_x264
  
  echo "Building FFmpeg"
  
  build_one

  I get an error saying

  No working C compiler found.
  
  Makefile:3: config.mak: No such file or directory

  The following is the output from the config.log file

  checking for -mdynamic-no-pic... yes
  
  checking for -arch x86_64... yes
  
  x264 configure script
  
  
  
  checking whether gcc works... yes
  
  checking whether gcc supports for( int i = 0; i < 9; i++ ); with -std=gnu99... yes
  
  checking for -mpreferred-stack-boundary=5... no
  
  Failed commandline was:
  
  --------------------------------------------------
  
  gcc conftest.c -m64 -Qunused-arguments -Wall -I. -I$(SRCPATH) -mdynamic-no-pic -arch x86_64 -std=gnu99  -mpreferred-stack-boundary=5  -m64  -lm -arch x86_64$
  
  clang: error: unknown argument: '-mpreferred-stack-boundary=5'
  
  --------------------------------------------------
  
  Failed program was:
  
  --------------------------------------------------
  
  int main (void) {  return 0; }
  
  --------------------------------------------------
  
  checking whether yasm supports vpmovzxwd ymm0, xmm0... yes

  Solutions that I tried :

  I made sure I have a working GCC

  I have the update to date version of clang

  I have the update to date version of LLVM