netsurf.libsvgtiny: fix build on GCC 14 (#393543)

pkgs/applications/networking/browsers/netsurf/libsvgtiny.nix

@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchurl,
+  fetchpatch,
   gperf,
   pkg-config,
   buildsystem,
@@ -20,6 +21,16 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-w1cifwLoP7KnaxK5ARkaCCIp2x8Ac2Lo8xx1RRDCoBw=";
   };
 
+  patches = [
+    # fixes libdom build on gcc 14 due to calloc-transposed-args warning
+    # remove on next release
+    (fetchpatch {
+      name = "fix-calloc-transposed-args.patch";
+      url = "https://source.netsurf-browser.org/libsvgtiny.git/patch/?id=9d14633496ae504557c95d124b97a71147635f04";
+      hash = "sha256-IRWWjyFXd+lWci/bKR9uPDKbP3ttK6zNB6Cy5bv4huc=";
+    })
+  ];
+
   nativeBuildInputs = [
     gperf
     pkg-config
@@ -38,6 +49,8 @@ stdenv.mkDerivation (finalAttrs: {
     "NSSHARED=${buildsystem}/share/netsurf-buildsystem"
   ];
 
+  enableParallelBuilding = true;
+
   meta = {
     homepage = "https://www.netsurf-browser.org/projects/libsvgtiny/";
     description = "NetSurf SVG decoder";