x11_ssh_askpass: replace xmkmf with autoconf (#426780)

pkgs/by-name/x1/x11_ssh_askpass/package.nix

@@ -2,9 +2,10 @@
   lib,
   stdenv,
   fetchurl,
+  fetchDebianPatch,
+  autoreconfHook,
+  pkg-config,
   xorg,
-  imake,
-  gccmakedep,
 }:
 
 stdenv.mkDerivation rec {
@@ -21,10 +22,21 @@ stdenv.mkDerivation rec {
     sha256 = "620de3c32ae72185a2c9aeaec03af24242b9621964e38eb625afb6cdb30b8c88";
   };
 
-  nativeBuildInputs = [
-    imake
-    gccmakedep
+  patches = [
+    (fetchDebianPatch {
+      pname = "ssh-askpass";
+      version = "1:1.2.4.1";
+      debianRevision = "16";
+      patch = "autotools.patch";
+      hash = "sha256-S2tl0GeDia/ZuyXetPOsiu79kS9yLId7gUj3siw7pH4=";
+    })
   ];
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+  ];
+
   buildInputs = [
     xorg.libX11
     xorg.libXt
@@ -32,20 +44,6 @@ stdenv.mkDerivation rec {
     xorg.libSM
   ];
 
-  configureFlags = [
-    "--with-app-defaults-dir=$out/etc/X11/app-defaults"
-  ];
-
-  dontUseImakeConfigure = true;
-  postConfigure = ''
-    xmkmf -a
-  '';
-
-  installTargets = [
-    "install"
-    "install.man"
-  ];
-
   meta = with lib; {
     homepage = "https://github.com/sigmavirus24/x11-ssh-askpass";
     description = "Lightweight passphrase dialog for OpenSSH or other open variants of SSH";