Why Am I Getting 'Relocation R_ARM_MOVW_ABS_NC against `a local symbol' can not be used when making a shared object' Error While Compiling ffmpeg?-C++-php.cn

Why Am I Getting 'Relocation R_ARM_MOVW_ABS_NC against `a local symbol' can not be used when making a shared object' Error While Compiling ffmpeg?

Barbara Streisand

Nov 10, 2024 pm 02:37 PM

Why Am I Getting

Error While Compiling with ffmpeg: "Relocation R_ARM_MOVW_ABS_NC against `a local symbol' can not be used when making a shared object; recompile with -fPIC"

While attempting to reinstall ffmpeg on an ARM Ubuntu system, a compilation error was encountered when using a program that utilized the ffmpeg library. The error message indicated:

/usr/bin/ld: /usr/local/lib/libavcodec.a(amrnbdec.o): relocation R_ARM_MOVW_ABS_NC against `a local symbol' can not be used when making a shared object; recompile with -fPIC
/usr/local/lib/libavcodec.a: could not read symbols: Bad value
collect2: ld returned 1 exit status

This error arises from an attempt to link a static library (.a) with a dynamic one (.so). To resolve this issue, it is necessary to recompile ffmpeg with the -fPIC flag.

Recompiling with -fPIC

Adding the --enable-shared flag during ./configure will instruct ffmpeg to build as a dynamic library. Alternatively, you can choose to disable static libraries completely if preferred.

Once the ffmpeg library has been recompiled with -fPIC, the compilation should proceed successfully without the aforementioned error.

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