Leool 发表于 2017-10-25 11:50:46

Android 出现 selected processor does not support Thumb mode `itt gt'

#!/bin/bash
NDK=/root/Ndk/android-ndk-r14b
SYSROOT=$NDK/platforms/android-23/arch-arm/
TOOLCHAIN=/root/Ndk/android-ndk-r14b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64
function build_one
{
    ./configure \
    --prefix=$PREFIX \
    --enable-shared \
    --disable-static \
    --disable-doc \
        --disable-asm \
    --enable-ffmpeg \
    --disable-ffplay \
    --disable-ffprobe \
    --disable-ffserver \
    --disable-doc \
    --disable-symver \
    --enable-small \
    --cross-prefix=$TOOLCHAIN/bin/arm-linux-androideabi- \
    --target-os=linux \
    --arch=arm \
    --enable-cross-compile \
    --sysroot=$SYSROOT \
    --extra-cflags="-mfloat-abi=softfp -mfpu=neon -fPIE -pi" \
        --extra-ldflags="" \
    $ADDITIONAL_CONFIGURE_FLAG
    make clean
    make
    make install
}
CPU=arm
PREFIX=/root/FFmpegOut/android/$CPU
build_one

编译正常，so文件放到android 下无法运行，求大神啊

C:\Users\ADMINI~1\AppData\Local\Temp\ffmpeg-dfa34a.s: Assembler messages:
C:\Users\ADMINI~1\AppData\Local\Temp\ffmpeg-dfa34a.s:47468: Error: selected processor does not support Thumb mode `itt gt'
C:\Users\ADMINI~1\AppData\Local\Temp\ffmpeg-dfa34a.s:47469: Error: thumb conditional instruction should be in IT block -- `movgt r6,r0'
C:\Users\ADMINI~1\AppData\Local\Temp\ffmpeg-dfa34a.s:47470: Error: thumb conditional instruction should be in IT block -- `movgt r0,r1'
C:\Users\ADMINI~1\AppData\Local\Temp\ffmpeg-dfa34a.s:47472: Error: selected processor does not support Thumb mode `it le'
C:\Users\ADMINI~1\AppData\Local\Temp\ffmpeg-dfa34a.s:47473: Error: thumb conditional instruction should be in IT block -- `movle r0,r2'
C:\Users\ADMINI~1\AppData\Local\Temp\ffmpeg-dfa34a.s:47475: Error: selected processor does not support Thumb mode `it gt'
C:\Users\ADMINI~1\AppData\Local\Temp\ffmpeg-dfa34a.s:47476: Error: thumb conditional instruction should be in IT block -- `movgt r6,r0'
clang.exe: error: assembler command failed with exit code 1 (use -v to see invocation)
ninja: build stopped: subcommand failed.


Leool 发表于 2017-10-25 11:51:29

@大圣

孙悟空 发表于 2017-10-27 23:10:09

看上去更像是环境有问题，编译出来的指令集现有的平台不支持

漫天枫林 发表于 2017-10-30 15:06:25

楼主问题解决了吗？
我编译ffmpeg3.4版本的armeabi程序时也遇到这个问题了，但是编译armeabi-v7a是好的

Leool 发表于 2017-10-31 17:26:29

还没有，始终找不到解决办法。可以先参照这个项目：https://github.com/mabeijianxi/FFmpeg4Android

chodison 发表于 2018-7-5 18:45:38

是不支持armeabi的
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