Fixing headless build

Author: jatinchowdhury18

.github/workflows/cmake.yml

@@ -30,8 +30,6 @@ jobs:
       run: |
         sudo apt-get update
         sudo apt install libasound2-dev libx11-dev libxcomposite-dev libxcursor-dev libxext-dev libxinerama-dev libxrandr-dev libxrender-dev libfreetype6-dev libglu1-mesa-dev libjack-jackd2-dev
-        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 9
-        sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9 9
     
     - name: Get latest CMake
       uses: lukka/get-cmake@latest

Plugin/Source/Headless/UnitTests/MixGroupsTest.cpp

@@ -28,7 +28,7 @@ class MixGroupsTest : public UnitTest
     std::unique_ptr<Proc> createPlugin()
     {
         auto proc = createPluginFilterOfType (AudioProcessor::WrapperType::wrapperType_Standalone);
-        std::unique_ptr<Proc> plugin (dynamic_cast<Proc*> (proc));
+        std::unique_ptr<Proc> plugin (dynamic_cast<Proc*> (proc.release()));
         return std::move (plugin);
     }
 

Plugin/Source/Headless/UnitTests/MultiChannelTest.cpp

@@ -19,7 +19,7 @@ class MultiChannelTest : public UnitTest
     std::unique_ptr<Proc> createPlugin()
     {
         auto proc = createPluginFilterOfType (AudioProcessor::WrapperType::wrapperType_Standalone);
-        std::unique_ptr<Proc> plugin (dynamic_cast<Proc*> (proc));
+        std::unique_ptr<Proc> plugin (dynamic_cast<Proc*> (proc.release()));
         return std::move (plugin);
     }
 

Plugin/Source/Headless/UnitTests/PresetLevelTest.cpp

@@ -13,7 +13,7 @@ class PresetLevelTest : public UnitTest
 
         std::unique_ptr<ChowtapeModelAudioProcessor> proc {
             dynamic_cast<ChowtapeModelAudioProcessor*> (createPluginFilterOfType (
-                AudioProcessor::WrapperType::wrapperType_Standalone))
+                AudioProcessor::WrapperType::wrapperType_Standalone).release())
         };
 
         static constexpr double sampleRate = 48000.0;