Difference between core18 and core22

snapcraft
7

Thank you, I fixed it by using the code below:

name: main
version: '1.0'
summary: streaming app
description: our streaming app
confinement: strict
grade: stable
base: core22

parts:
  alsa-mixin:
    plugin: nil
    source: https://github.com/diddledan/snapcraft-alsa.git
    override-pull: |
      craftctl default
      cat > alsa.conf <<EOF
      pcm.!default {
        type pulse
        fallback "sysdefault"
        hint {
          show on
          description "Default ALSA Output (currently PulseAudio Sound Server)"
        }
      }
      ctl.!default {
        type pulse
        fallback "sysdefault"
      }
      EOF
    override-build: |
      craftctl default
      install -m644 -D -t $CRAFT_PART_INSTALL/etc alsa.conf
    build-packages:
      - libasound2-dev
    stage-packages:
      - libasound2
      - libasound2-plugins

  libraries:
    plugin: dump
    source: lib/tokbox/lib/.
    organize:
      libopentok.so: lib/libopentok.so
    stage-packages:
      - libc++1
      - libc++abi1

  stream:
    plugin: cmake
    source: .
    cmake-parameters:
      - -DCMAKE_INSTALL_PREFIX=/
    override-build: |
      craftctl default
      apt install build-essential libc++-dev libc++abi-dev libuv1-dev libasound2-dev libsdl2-dev -y
      apt install libunwind-dev -y
    stage-packages:
      - libc++1
      - libc++abi1
      - libunwind8
      - libuv1
      - libasound2
      - libasound2-plugins
      - libsdl2-2.0-0
    after:
      - alsa-mixin

layout:
  /usr/lib/$CRAFT_ARCH_TRIPLET/alsa-lib:
    bind: $SNAP/usr/lib/$CRAFT_ARCH_TRIPLET/alsa-lib
  /usr/share/alsa:
    bind: $SNAP/usr/share/alsa

apps:
  main:
    command: bin/main
    plugs:
      - alsa
      - audio-record
      - audio-playback
      - camera
      - pulseaudio
      - network
      - network-bind
      - network-observe
      - network-control
    environment:
      ALSA_CONFIG_PATH: /snap/$CRAFT_PROJECT_NAME/current/usr/share/alsa/alsa.conf

It’s core22 so I had to use craftctl default instead of commands like snapcraftctl build or snapcraftcl pull.

Now it builds without any issues.

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