Migrate build system to CMake

See #5895 for details.

This commit does not include CI or documentation changes.

nix/pkgs/yosys.nix

@@ -0,0 +1,52 @@
+{
+  bison,
+  cmake,
+  flex,
+  gtest,
+  lib,
+  libffi,
+  pkg-config,
+  python3,
+  readline,
+  ninja,
+  stdenv,
+  tcl,
+  zlib,
+  src,
+  rev,
+  ...
+}:
+
+stdenv.mkDerivation {
+  name = "yosys";
+  inherit src;
+
+  nativeBuildInputs = [
+    bison
+    cmake
+    flex
+    pkg-config
+    python3
+    ninja
+  ];
+
+  buildInputs = [
+    gtest
+    libffi
+    readline
+    tcl
+    zlib
+  ];
+
+  cmakeFlags = [
+    (lib.cmakeFeature "YOSYS_CHECKOUT_INFO" rev)
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "Yosys Open SYnthesis Suite";
+    homepage = "https://yosyshq.net/yosys/";
+    license = licenses.isc;
+  };
+}