Terje, a little murky but for the latest where all ffmpeg plugins give errors,

(1) I think it does not know where the system FFmpeg headers are: hence the inclusion you have on Slowroll of "CFLAGS=-I/usr/include/ffmpeg".

(2) Below you have " /configure --single-user --without-third-party --with-system-ffmpeg" so maybe this is just a typo here BUT:

--single-user should be --with-single-user

--without-third-party should be --without-thirdparty

and --with-system-ffmpeg is not recognized

If you have time, it would be very helpful to get the build log included by adding to the end of the configure line:

2>&1 | tee log

On Tue, Nov 3, 2026 at 6:25 AM Terje J. Hanssen via Cin <cin@lists.cinelerra-gg.org> wrote:

To clarify: I haven't run make install on Leap 16.1 yet; I am running the binary directly from ./bin/cin inside the source repository.

For reference, here is how I configured the build for the current test on Leap 16.1 and Slowroll:

cd ~/cingg-repo/cinelerra-5.1
./autogen.sh
./configure --single-user --without-third-party --with-system-ffmpeg
make -j$(nproc)

Looking back at our email thread from 2024 (when building on Slowroll)
https://lists.cinelerra-gg.org/archives/list/cin@lists.cinelerra-gg.org/message/Z376VRVOPLDMCQ65P6R5XFZZXZIHPWA4/

There we used a slightly different set of flags and explicit header paths:

CFLAGS=-I/usr/include/ffmpeg ./configure --with-single-user --disable-static-build --without-thirdparty --without-libdpx

Comparing the two setups, the key differences are:

Using --with-single-user instead of --single-user.

Adding --disable-static-build and --without-libdpx.

Passing CFLAGS=-I/usr/include/ffmpeg to explicitly point the compiler to system FFmpeg headers.

I am going to run a fresh build using the 2024 flags now to see if linking against system FFmpeg 8.1.3 on Leap 16.1 behaves differently during the startup plugin probe.

A couple of question regarding the build process:

Is running make install (with --with-single-user) necessary or beneficial when building with system FFmpeg on Leap 16.1?

While it seeminglys works on Slowroll now, could running directly from ./bin/cin without an install step affect how plugins or configuration paths are located, or cause issues during the plugin index generation stage?

Terje

Troubleshooting steps taken so far:
- The .bcast5 configuration directory has been deleted and recreated
multiple times, but Cingg still crashes during startup.
- Three different CinGG AppImages have also been tested on the same
system without startup issues.

Has anyone experienced similar path or permission issues when running a
fresh source build alongside pre-existing environment configs?

Terje
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