cpi 2.0.4 (new formula)

* Add new formula, cpi
* add uses_from_macos

Closes #100610.

Signed-off-by: Rui Chen <rui@chenrui.dev>
Signed-off-by: Carlo Cabrera <30379873+carlocab@users.noreply.github.com>
Signed-off-by: BrewTestBot <1589480+BrewTestBot@users.noreply.github.com>

Formula/cpi.rb

@@ -0,0 +1,53 @@
+class Cpi < Formula
+  desc "Tiny c++ interpreter"
+  homepage "https://treefrogframework.github.io/cpi/"
+  url "https://github.com/treefrogframework/cpi/archive/refs/tags/v2.0.4.tar.gz"
+  sha256 "55e98b851976d258c1211d3c04d99ce2ec104580cc78f5d30064accef6e3d952"
+  license "MIT"
+  head "https://github.com/treefrogframework/cpi.git", branch: "master"
+
+  depends_on "qt"
+
+  uses_from_macos "llvm"
+
+  on_linux do
+    depends_on "gcc"
+  end
+
+  fails_with gcc: "5"
+
+  def install
+    system "qmake", "CONFIG+=release", "target.path=#{bin}"
+    system "make"
+    system "make", "install"
+  end
+
+  test do
+    (testpath/"test1.cpp").write <<~EOS
+      #include <iostream>
+      int main()
+      {
+        std::cout << "Hello world" << std::endl;
+        return 0;
+      }
+    EOS
+
+    assert_match "Hello world", shell_output("#{bin}/cpi #{testpath}/test1.cpp")
+
+    (testpath/"test2.cpp").write <<~EOS
+      #include <iostream>
+      #include <cmath>
+      #include <cstdlib>
+      int main(int argc, char *argv[])
+      {
+          if (argc != 2) return 0;
+
+          std::cout << sqrt(atoi(argv[1])) << std::endl;
+          return 0;
+      }
+      // CompileOptions: -lm
+    EOS
+
+    assert_match "1.41421", shell_output("#{bin}/cpi #{testpath}/test2.cpp 2")
+  end
+end