uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/libraries/memstream/default.nix

@@ -0,0 +1,43 @@
+{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "memstream";
+  version = "0.1";
+
+  src = fetchurl {
+    url = "https://piumarta.com/software/memstream/memstream-${version}.tar.gz";
+    sha256 = "0kvdb897g7nyviaz72arbqijk2g2wa61cmi3l5yh48rzr49r3a3a";
+  };
+
+  dontConfigure = true;
+
+  postBuild = ''
+    $AR rcs libmemstream.a memstream.o
+  '';
+
+  doCheck = true;
+  checkPhase = ''
+    runHook preCheck
+
+    ./test | grep "This is a test of memstream"
+
+    runHook postCheck
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    install -D libmemstream.a "$out"/lib/libmemstream.a
+    install -D memstream.h "$out"/include/memstream.h
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://www.piumarta.com/software/memstream/";
+    description = "memstream.c is an implementation of the POSIX function open_memstream() for BSD and BSD-like operating systems";
+    license = licenses.mit;
+    maintainers = with maintainers; [ veprbl ];
+    platforms = platforms.unix;
+  };
+}

pkgs/development/libraries/memstream/setup-hook.sh

@@ -0,0 +1,6 @@
+useMemstream () {
+  export NIX_CFLAGS_COMPILE="${NIX_CFLAGS_COMPILE-}${NIX_CFLAGS_COMPILE:+ }-include memstream.h";
+  export NIX_LDFLAGS="${NIX_LDFLAGS-}${NIX_LDFLAGS:+ }-lmemstream";
+}
+
+postHooks+=(useMemstream)