zoom: modernize the recipe a bit and mark as broken (#522776)

pkgs/by-name/zo/zoom/package.nix

@@ -3,7 +3,6 @@
   stdenv,
   fetchurl,
   perl,
-  expat,
   fontconfig,
   freetype,
   libxrender,
@@ -11,6 +10,7 @@
   libx11,
   libsm,
   libice,
+  which,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -22,9 +22,12 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-8pZ/HAVV341K6QRDUC0UzzO2rGW2AvSZ++Pp445V27w=";
   };
 
-  buildInputs = [
+  nativeBuildInputs = [
     perl
-    expat
+    which
+  ];
+
+  buildInputs = [
     fontconfig
     freetype
     libice
@@ -34,7 +37,11 @@ stdenv.mkDerivation (finalAttrs: {
     libxrender
   ];
 
-  env.NIX_CFLAGS_COMPILE = "-I${freetype}/include/freetype2 -fgnu89-inline";
+  strictDeps = true;
+  __structuredAttrs = true;
+  enableParallelBuilding = true;
+
+  env.CFLAGS = "-fgnu89-inline";
 
   meta = {
     homepage = "https://www.logicalshift.co.uk/unix/zoom/";
@@ -49,5 +56,6 @@ stdenv.mkDerivation (finalAttrs: {
     license = lib.licenses.gpl3;
     platforms = lib.platforms.linux;
     mainProgram = "zoom";
+    broken = true;
   };
 })