Revert "Merge #101508: libraw: 0.20.0 -> 0.20.2"

I'm sorry; I didn't notice it contained staging commits.

This reverts commit 17f5305b6c, reversing
changes made to a8a018ddc0.

pkgs/development/libraries/libvpx/default.nix

@@ -56,16 +56,20 @@ assert isCygwin -> unitTestsSupport && webmIOSupport && libyuvSupport;
 
 stdenv.mkDerivation rec {
   pname = "libvpx";
-  version = "1.9.0";
+  version = "1.7.0";
 
   src = fetchFromGitHub {
     owner = "webmproject";
-    repo = pname;
+    repo = "libvpx";
     rev = "v${version}";
-    sha256 = "16xv6ambc82g14h1y0q1vyy57wp6j9fbp0nk0wd5csnrw407rhry";
+    sha256 = "0vvh89hvp8qg9an9vcmwb7d9k3nixhxaz6zi65qdjnd0i56kkcz6";
   };
 
-  postPatch = "patchShebangs .";
+  patches = [
+    ./CVE-2019-9232.CVE-2019-9325.CVE-2019-9371.CVE-2019-9433.patch
+  ];
+
+  postPatch = ''patchShebangs .'';
 
   outputs = [ "bin" "dev" "out" ];
   setOutputFlags = false;
@@ -131,12 +135,6 @@ stdenv.mkDerivation rec {
                     experimentalFpMbStatsSupport ||
                     experimentalEmulateHardwareSupport) "experimental")
   ] ++ optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
-    #"--extra-cflags="
-    #"--extra-cxxflags="
-    #"--prefix="
-    #"--libc="
-    #"--libdir="
-    "--enable-external-build"
     # libvpx darwin targets include darwin version (ie. ARCH-darwinXX-gcc, XX being the darwin version)
     # See all_platforms: https://github.com/webmproject/libvpx/blob/master/configure
     # Darwin versions: 10.4=8, 10.5=9, 10.6=10, 10.7=11, 10.8=12, 10.9=13, 10.10=14
@@ -161,10 +159,6 @@ stdenv.mkDerivation rec {
   buildInputs = [ ]
     ++ optionals unitTestsSupport [ coreutils curl ];
 
-  NIX_LDFLAGS = [
-    "-lpthread" # fixes linker errors
-  ];
-
   enableParallelBuilding = true;
 
   postInstall = ''moveToOutput bin "$bin" '';