linux – Compile ffmpeg 5.1 with libopenjpeg

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I’m trying to enable libopenjpeg in ffmpeg 5.1. I have compiled openjpeg from OpenJPEG git repository, and it is installed in the system as per the instructions in Installation Guide. I can verify the installation with “pkg-config” using,

pkg-config --libs --cflags "libopenjp2 >= 2.1.0".

This outputs:

-I/ffmpeg_build/include/openjpeg-2.5 -L/ffmpeg_build/lib -lopenjp2

However, when trying to run ./configure to compile ffmpeg,I get the following error

ERROR: libopenjp2 >= 2.1.0 not found using pkg-config

The ./configure command I’m using is:

PATH="$HOME/bin:$PATH" PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" ./configure     --prefix="$HOME/ffmpeg_build"   --pkg-config-flags="--static"      --extra-cflags="-I$HOME/ffmpeg_build/include"  --extra-ldflags="-L$HOME/ffmpeg_build/lib -L$HOME/ffmpeg_build/lib64" --extra-libs=-lpthread     --extra-libs=-lm --bindir="$HOME/bin" --enable-libfdk_aac  --enable-libfreetype  --enable-libmp3lame  --enable-libopus --enable-libvpx --enable-libx264 --enable-libx265  --enable-nonfree  --enable-openssl        --enable-demuxer=spdif        --enable-decoder=dolby_e        --enable-decoder=ac3     --enable-gpl     --enable-decoder=eac3     --enable-indev=alsa     --enable-outdev=alsa     --enable-libsrt     --enable-nonfree     --enable-openssl     --enable-shared  --enable-libopenjpeg

The ffbuild/config.log output which contain the error shows the following.

gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DPIC -I/home/ffmpeg_build/include -I/home/ffmpeg_build/include/openjpeg-2.5 -std=c11 -fomit-frame-pointer -fPIC -pthread -I/home/ffmpeg_build/include -I/usr/include/freetype2 -I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/sysprof-4 -pthread -I/home/ffmpeg_build/include/openjpeg-2.5 -DOPJ_STATIC -L/home/ffmpeg_build/lib -DOPJ_STATIC -c -o /tmp/ffconf.ZnMEl1ya/test.o /tmp/ffconf.ZnMEl1ya/test.c
gcc -L/home/ffmpeg_build/lib -L/home/ffmpeg_build/lib64 -Wl,–as-needed -Wl,-z,noexecstack -I/home/ffmpeg_build/include/openjpeg-2.5 -DOPJ_STATIC -L/home/ffmpeg_build/lib -DOPJ_STATIC -o /tmp/ffconf.ZnMEl1ya/test /tmp/ffconf.ZnMEl1ya/test.o -lopenjp2 -lm -lm -lpthread
/usr/bin/ld: /tmp/ffconf.ZnMEl1ya/test.o: in function check_opj_version': test.c:(.text+0x3): undefined reference to opj_version’
/usr/bin/ld: /tmp/ffconf.ZnMEl1ya/test: hidden symbol `opj_version’ isn’t defined
/usr/bin/ld: final link failed: bad value
collect2: error: ld returned 1 exit status
ERROR: libopenjp2 >= 2.1.0 not found using pkg-config

I’m on Fedora 38, with Linux kernel 6.8.9. How do I get pkg-config in ffmpeg’s configure to see the existence of libopenjp2?

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