The KMix package contains a KF5 based Sound Mixer application.
This package is known to build and work properly using an LFS 11.3 platform.
Download (HTTP): https://download.kde.org/stable/release-service/22.12.2/src/kmix-22.12.2.tar.xz
Download MD5 sum: 9d5afe601502c550fa511c4fc720687a
Download size: 1.1 MB
Estimated disk space required: 18 MB
Estimated build time: 0.2 SBU (using parallelism=4)
libcanberra-0.30 and PulseAudio-16.1
User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/kmix5
Install KMix by running the following commands:
mkdir build &&
cd build &&
cmake -DCMAKE_INSTALL_PREFIX=$KF5_PREFIX \
-DCMAKE_BUILD_TYPE=Release \
-DBUILD_TESTING=OFF \
-Wno-dev .. &&
make
This package does not come with a test suite.
Now, as the root user:
make install