webkitgtk: fix on darwin

(cherry picked from commit 61e49ba58b487b49832028a1829f50fd2abcab06)

pkgs/development/libraries/webkitgtk/default.nix

@@ -1,5 +1,7 @@
 { lib, stdenv
+, runCommandNoCC
 , fetchurl
+, fetchpatch
 , perl
 , python3
 , ruby
@@ -34,6 +36,7 @@
 , libidn
 , libedit
 , readline
+, sdk
 , libGL
 , libGLU
 , mesa
@@ -78,6 +81,32 @@ stdenv.mkDerivation rec {
       inherit (addOpenGLRunpath) driverLink;
     })
     ./libglvnd-headers.patch
+  ] ++ lib.optionals stdenv.isDarwin [
+    (fetchpatch {
+      url = "https://github.com/WebKit/WebKit/commit/94cdcd289b993ed4d39c17d4b8b90db7c81a9b10.diff";
+      sha256 = "sha256-ywrTEjf3ATqI0Vvs60TeAZ+m58kCibum4DamRWrQfaA=";
+      excludes = [ "Source/WebKit/ChangeLog" ];
+    })
+
+    # https://bugs.webkit.org/show_bug.cgi?id=225856
+    (fetchpatch {
+      url = "https://bug-225856-attachments.webkit.org/attachment.cgi?id=428797";
+      sha256 = "sha256-ffo5p2EyyjXe3DxdrvAcDKqxwnoqHtYBtWod+1fOjMU=";
+      excludes = [ "Source/WebCore/ChangeLog" ];
+    })
+
+    # https://bugs.webkit.org/show_bug.cgi?id=225850
+    ./428774.patch # https://bug-225850-attachments.webkit.org/attachment.cgi?id=428774
+    (fetchpatch {
+      url = "https://bug-225850-attachments.webkit.org/attachment.cgi?id=428776";
+      sha256 = "sha256-ryNRYMsk72SL0lNdh6eaAdDV3OT8KEqVq1H0j581jmQ=";
+      excludes = [ "Source/WTF/ChangeLog" ];
+    })
+    (fetchpatch {
+      url = "https://bug-225850-attachments.webkit.org/attachment.cgi?id=428778";
+      sha256 = "sha256-78iP+T2vaIufO8TmIPO/tNDgmBgzlDzalklrOPrtUeo=";
+      excludes = [ "Source/WebKit/ChangeLog" ];
+    })
   ];
 
   preConfigure = lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
@@ -96,6 +125,7 @@ stdenv.mkDerivation rec {
     gperf
     ninja
     perl
+    perl.pkgs.FileCopyRecursive # used by copy-user-interface-resources.pl
     pkg-config
     python3
     ruby
@@ -143,6 +173,12 @@ stdenv.mkDerivation rec {
   ]) ++ lib.optionals stdenv.isDarwin [
     libedit
     readline
+    # Pull a header that contains a definition of proc_pid_rusage().
+    # (We pick just that one because using the other headers from `sdk` is not
+    # compatible with our C++ standard library)
+    (runCommandNoCC "${pname}_headers" {} ''
+      install -Dm444 "${lib.getDev sdk}"/include/libproc.h "$out"/include/libproc.h
+    '')
   ] ++ lib.optionals stdenv.isLinux [
     bubblewrap
     libseccomp