From 80bc0087106075af19e952f7e9dbba5b48686b0d Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 27 Apr 2026 07:57:14 +0000
Subject: [PATCH 1/2] ci: add GitHub Actions workflow to build VST3 for x86_64
 and aarch64 Linux

Agent-Logs-Url: https://github.com/probonopd/juicysfplugin/sessions/cb11c309-4f8c-40ba-b139-36dfcd83f3b2

Co-authored-by: probonopd <2480569+probonopd@users.noreply.github.com>
---
 .github/workflows/build-vst3-linux.yml | 91 ++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 .github/workflows/build-vst3-linux.yml

diff --git a/.github/workflows/build-vst3-linux.yml b/.github/workflows/build-vst3-linux.yml
new file mode 100644
index 0000000..b2aa770
--- /dev/null
+++ b/.github/workflows/build-vst3-linux.yml
@@ -0,0 +1,91 @@
+name: Build VST3 Linux
+
+on:
+  push:
+    branches: ["**"]
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - arch: x86_64
+            runner: ubuntu-24.04
+          - arch: aarch64
+            runner: ubuntu-24.04-arm
+
+    runs-on: ${{ matrix.runner }}
+    name: VST3 Linux ${{ matrix.arch }}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update -qq
+          sudo apt-get install -y \
+            cmake ninja-build build-essential pkg-config git \
+            libfluidsynth-dev \
+            libasound2-dev \
+            libx11-dev libxrandr-dev libxinerama-dev libxcursor-dev \
+            libgl-dev libfreetype-dev libfontconfig1-dev \
+            libharfbuzz-dev
+
+      - name: Cache JUCE
+        id: cache-juce
+        uses: actions/cache@v4
+        with:
+          path: /opt/JUCE
+          key: juce-7.0.12-${{ matrix.arch }}
+
+      - name: Clone and install JUCE
+        if: steps.cache-juce.outputs.cache-hit != 'true'
+        run: |
+          git clone --depth 1 --branch 7.0.12 \
+            https://github.com/juce-framework/JUCE.git /tmp/JUCE
+          cmake -B /tmp/JUCE/build -S /tmp/JUCE \
+            -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_INSTALL_PREFIX=/opt/JUCE \
+            -DJUCE_BUILD_EXTRAS=OFF \
+            -DJUCE_BUILD_EXAMPLES=OFF
+          cmake --build /tmp/JUCE/build --target install
+
+      - name: Configure CMake
+        run: |
+          cmake -B build -S . \
+            -G Ninja \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DCMAKE_PREFIX_PATH=/opt/JUCE \
+            -DBUILD_SHARED_LIBS=ON \
+            -DJUCE_COPY_PLUGIN_AFTER_BUILD=FALSE
+
+      - name: Build VST3
+        run: cmake --build build --target JuicySFPlugin_VST3 --parallel
+
+      - name: Locate VST3 binary
+        id: locate
+        run: |
+          SO=$(find build -name "*.so" -path "*/VST3/*" | head -1)
+          echo "so=$SO" >> "$GITHUB_OUTPUT"
+          ls -lh "$SO"
+
+      - name: Verify artifact size ≥ 1 MB
+        run: |
+          SO="${{ steps.locate.outputs.so }}"
+          SIZE=$(stat -c%s "$SO")
+          echo "Size: $SIZE bytes"
+          if [ "$SIZE" -lt 1048576 ]; then
+            echo "ERROR: artifact is smaller than 1 MB ($SIZE bytes)"
+            exit 1
+          fi
+
+      - name: Upload VST3 artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: juicysfplugin-vst3-linux-${{ matrix.arch }}
+          path: build/**/*.vst3
+          if-no-files-found: error

From 93bf9ca0f3487b4ab2ea8e114e5db6193ae0ddcd Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Mon, 27 Apr 2026 08:07:57 +0000
Subject: [PATCH 2/2] fix: const_cast for fluid_synth_process write pointer
 compatibility

Agent-Logs-Url: https://github.com/probonopd/juicysfplugin/sessions/cb11c309-4f8c-40ba-b139-36dfcd83f3b2

Co-authored-by: probonopd <2480569+probonopd@users.noreply.github.com>
---
 Source/FluidSynthModel.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/FluidSynthModel.cpp b/Source/FluidSynthModel.cpp
index c1eced3..7a0880e 100644
--- a/Source/FluidSynthModel.cpp
+++ b/Source/FluidSynthModel.cpp
@@ -431,7 +431,7 @@ void FluidSynthModel::processBlock(AudioBuffer<float>& buffer, MidiBuffer& midiM
         0,
         nullptr,
         buffer.getNumChannels(),
-        buffer.getArrayOfWritePointers());
+        const_cast<float**>(buffer.getArrayOfWritePointers()));
 }
 
 int FluidSynthModel::getNumPrograms()