carla 1.9.9 (new formula)

Closes #31560.

Signed-off-by: FX Coudert <fxcoudert@gmail.com>

Formula/carla.rb

@@ -0,0 +1,28 @@
+class Carla < Formula
+  desc "Audio plugin host supporting LADSPA, LV2, VST2/3, SF2 and more"
+  homepage "https://kxstudio.linuxaudio.org/Applications:Carla"
+  url "https://github.com/falkTX/Carla/archive/v1.9.9.tar.gz"
+  sha256 "13cff6febb0879190e4e8906f8cbb0e6a61ac1344cd8dbec0331598b59576548"
+
+  depends_on "pkg-config" => :build
+  depends_on "fluid-synth"
+  depends_on "liblo"
+  depends_on "libmagic"
+  depends_on "pyqt"
+  depends_on "python"
+
+  def install
+    args = []
+    if ENV.compiler == :clang && MacOS.version <= :mountain_lion
+      args << "MACOS_OLD=true"
+    end
+
+    system "make", *args
+    system "make", "install", "PREFIX=#{prefix}"
+  end
+
+  test do
+    system bin/"carla", "--version"
+    system lib/"carla/carla-discovery-native", "internal", ":all"
+  end
+end