Vinicius Monego <monego@posteo.net> writes:

> * gnu/packages/video.scm (webvfx): New variable.

This fails to install like so:

make[2]: Entering directory '/tmp/guix-build-webvfx-1.2.0.drv-0/source/mlt'
/gnu/store/59dq1n4wj3maa3kcar6hspj2zd82as7q-qtbase-5.14.2/bin/qmake -install qinstall -exe ../build/release/libmltwebvfx.so /gnu/store/fqf6g8smi81vix825x78z9py5b5qgshh-mlt-6.20.0/lib/mlt/libmltwebvfx.so
Error copying ../build/release/libmltwebvfx.so to /gnu/store/fqf6g8smi81vix825x78z9py5b5qgshh-mlt-6.20.0/lib/mlt/libmltwebvfx.so: Cannot create /gnu/store/fqf6g8smi81vix825x78z9py5b5qgshh-mlt-6.20.0/lib/mlt/libmltwebvfx.so for output

It seems it attempts to write the the mlt store directory.  Can you look
into it?

TIA,
Marius