json-c: use modern cmake syntax

Signed-off-by: Rui Chen <[email protected]>

Formula/j/json-c.rb

@@ -27,10 +27,9 @@ class JsonC < Formula
  depends_on "cmake" => :build
 
  def install
- mkdir "build" do
- system "cmake", "..", *std_cmake_args
- system "make", "install"
- end
+ system "cmake", "-S", ".", "-B", "build", *std_cmake_args
+ system "cmake", "--build", "build"
+ system "cmake", "--install", "build"
  end
 
  test do
@@ -46,6 +45,7 @@ def install
  return 0;
  }
  EOS
+
  system ENV.cc, "-I#{include}", "test.c", "-L#{lib}", "-ljson-c", "-o", "test"
  assert_equal '{ "key": "value" }', shell_output("./test").chomp
  end