diff --git a/Formula/mpfrcx.rb b/Formula/mpfrcx.rb
new file mode 100644
index 00000000000..1afc9f06866
--- /dev/null
+++ b/Formula/mpfrcx.rb
@@ -0,0 +1,36 @@
+class Mpfrcx < Formula
+  desc "Arbitrary precision library for arithmetic of univariate polynomials"
+  homepage "https://www.multiprecision.org/mpfrcx/home.html"
+  url "https://www.multiprecision.org/downloads/mpfrcx-0.6.3.tar.gz"
+  sha256 "9da9b3614c0a3e00e6ed2b82fc935d1c838d97074dc59cb388f8fafbe3db8594"
+  license "GPL-3.0-or-later"
+  head "https://gitlab.inria.fr/enge/mpfrcx.git", branch: "master"
+
+  depends_on "autoconf" => :build
+  depends_on "automake" => :build
+  depends_on "libtool" => :build
+  depends_on "gmp"
+  depends_on "libmpc"
+  depends_on "mpfr"
+
+  def install
+    # Regenerate configure to avoid building libraries with flat namespaces
+    system "autoreconf", "--force", "--install", "--verbose"
+
+    system "./configure", *std_configure_args, "--disable-silent-rules"
+    system "make", "install"
+
+    (pkgshare/"tests").install Dir["tests/tc_*.c"]
+  end
+
+  test do
+    Dir[pkgshare/"tests/*"].each do |src|
+      testname = File.basename(src, ".c")
+      system ENV.cc, src, "-I#{include}", "-L#{lib}",
+             "-L#{Formula["gmp"].opt_lib}", "-L#{Formula["libmpc"].opt_lib}", "-L#{Formula["mpfr"].opt_lib}",
+             "-lmpfrcx", "-lgmp", "-lmpc", "-lmpfr",
+             "-o", testname
+      system testpath/testname
+    end
+  end
+end