qqwing: fix cross compilation and pkgconfig generation

pkgs/games/qqwing/default.nix

@@ -1,4 +1,12 @@
-{ lib, stdenv, fetchFromGitHub, perl, autoconf, automake, libtool }:
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  perl,
+  autoconf,
+  automake,
+  libtool,
+}:
 
 stdenv.mkDerivation rec {
   pname = "qqwing";
@@ -7,31 +15,42 @@ stdenv.mkDerivation rec {
   src = fetchFromGitHub {
     owner = "stephenostermiller";
     repo = "qqwing";
-    rev = "v${version}";
-    sha256 = "1qq0vi4ch4y3a5fb1ncr0yzkj3mbvdiwa3d51qpabq94sh0cz09i";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-MYHPANQk4aUuDqUNxWPbqw45vweZ2bBcUcMTyEjcAOM=";
   };
 
+  strictDeps = true;
+
+  nativeBuildInputs = [
+    autoconf
+    automake
+    libtool
+    perl
+  ];
+
+  configureFlags = [
+    "--prefix=${placeholder "out"}"
+  ];
+
+  buildFlags = [
+    "cppcompile"
+  ];
+
   postPatch = ''
-    for file in "src-first-comment.pl" "src_neaten.pl"; do
-      substituteInPlace "build/$file" \
-        --replace "#!/usr/bin/perl" "#!${perl}/bin/perl"
-    done
+    patchShebangs --build build/src-first-comment.pl build/src_neaten.pl
 
-    substituteInPlace "build/cpp_install.sh" \
-      --replace "sudo " ""
+    substituteInPlace build/cpp_configure.sh \
+      --replace-fail "./configure" "./configure $configureFlags"
+    substituteInPlace build/cpp_install.sh \
+      --replace-fail "sudo " ""
   '';
 
-  nativeBuildInputs = [ autoconf automake ];
-  buildInputs = [ perl libtool ];
-
-  makeFlags = [ "prefix=$(out)" "tgz" ];
-
-  meta = with lib; {
+  meta = {
     homepage = "https://qqwing.com";
     description = "Sudoku generating and solving software";
+    license = lib.licenses.gpl2Plus;
+    platforms = lib.platforms.unix;
+    maintainers = with lib.maintainers; [ nickcao ];
     mainProgram = "qqwing";
-    license = licenses.gpl2Plus;
-    platforms = platforms.unix;
-    maintainers = [ ];
   };
 }