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/compilers/ecl/16.1.2.nix

@@ -0,0 +1,101 @@
+{ lib
+, stdenv
+, fetchurl
+, fetchpatch
+, libtool
+, autoconf
+, automake
+, gmp
+, mpfr
+, libffi
+, makeWrapper
+, noUnicode ? false
+, gcc
+, threadSupport ? false
+, useBoehmgc ? true
+, boehmgc
+}:
+
+stdenv.mkDerivation rec {
+  pname = "ecl";
+  version = "16.1.2";
+
+  src = fetchurl {
+    url = "https://common-lisp.net/project/ecl/static/files/release/ecl-${version}.tgz";
+    sha256 = "sha256-LUgrGgpPvV2IFDRRcDInnYCMtkBeIt2R721zNTRGS5k=";
+  };
+
+  nativeBuildInputs = [ autoconf automake ];
+  buildInputs = [
+    libtool
+    makeWrapper
+  ];
+  propagatedBuildInputs = [
+    libffi
+    gmp
+    mpfr
+    gcc
+  ] ++ lib.optionals useBoehmgc [
+    # replaces ecl's own gc which other packages can depend on, thus propagated
+    boehmgc
+  ];
+
+  configureFlags = [
+    (if threadSupport then "--enable-threads" else "--disable-threads")
+    "--with-gmp-incdir=${lib.getDev gmp}/include"
+    "--with-gmp-libdir=${lib.getLib gmp}/lib"
+    # -incdir, -libdir doesn't seem to be supported for libffi
+    "--with-libffi-prefix=${lib.getDev libffi}"
+  ] ++ lib.optional (! noUnicode) "--enable-unicode"
+  ;
+
+  patches = [
+    (fetchpatch {
+      # Avoid infinite loop, see https://gitlab.com/embeddable-common-lisp/ecl/issues/43 (fixed upstream)
+      name = "avoid-infinite-loop.patch";
+      url = "https://gitlab.com/embeddable-common-lisp/ecl/commit/caba1989f40ef917e7486f41b9cd5c7e3c5c2d79.patch";
+      sha256 = "07vw91psbc9gdn8grql46ra8lq3bgkzg5v480chnbryna4sv6lbb";
+    })
+    (fetchpatch {
+      # Fix getcwd with long pathnames
+      # Rebased version of
+      # https://gitlab.com/embeddable-common-lisp/ecl/commit/ac5f011f57a85a38627af154bc3ee7580e7fecd4.patch
+      name = "getcwd.patch";
+      url = "https://git.sagemath.org/sage.git/plain/build/pkgs/ecl/patches/16.1.2-getcwd.patch?id=07d6c37d18811e2b377a9689790a7c5e24da16ba";
+      sha256 = "1fbi8gn7rv8nqff5mpaijsrch3k3z7qc5cn4h1vl8qrr8xwqlqhb";
+    })
+    ./ecl-1.16.2-libffi-3.3-abi.patch
+  ];
+
+  hardeningDisable = [ "format" ];
+
+  postInstall = ''
+    sed -e 's/@[-a-zA-Z_]*@//g' -i $out/bin/ecl-config
+    wrapProgram "$out/bin/ecl" \
+      --prefix PATH ':' "${
+        lib.makeBinPath [
+          gcc                   # for the C compiler
+          gcc.bintools.bintools # for ar
+        ]
+      }" \
+  ''
+  # ecl 16.1.2 is too old to have -libdir for libffi and boehmgc, so we need to
+  # use NIX_LDFLAGS_BEFORE to make gcc find these particular libraries.
+  # Since it is missing even the prefix flag for boehmgc we also need to inject
+  # the correct -I flag via NIX_CFLAGS_COMPILE. Since we have access to it, we
+  # create the variables with suffixSalt (which seems to be necessary for
+  # NIX_CFLAGS_COMPILE even).
+  + lib.optionalString useBoehmgc ''
+    --prefix NIX_CFLAGS_COMPILE_${gcc.suffixSalt} ' ' "-I${lib.getDev boehmgc}/include" \
+    --prefix NIX_LDFLAGS_BEFORE_${gcc.bintools.suffixSalt} ' ' "-L${lib.getLib boehmgc}/lib" \
+  '' + ''
+    --prefix NIX_LDFLAGS_BEFORE_${gcc.bintools.suffixSalt} ' ' "-L${lib.getLib libffi}/lib"
+  '';
+
+  meta = with lib; {
+    description = "Lisp implementation aiming to be small, fast and easy to embed";
+    license = licenses.mit;
+    maintainers = with maintainers; [ raskin ];
+    platforms = platforms.unix;
+  };
+}