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/octave-modules/level-set/default.nix

@@ -0,0 +1,57 @@
+{ buildOctavePackage
+, stdenv
+, lib
+, fetchgit
+, automake
+, autoconf
+, autoconf-archive
+, parallel
+}:
+
+buildOctavePackage rec {
+  pname = "level-set";
+  version = "2019-04-13";
+
+  src = fetchgit {
+    url = "https://git.code.sf.net/p/octave/${pname}";
+    rev = "dbf46228a7582eef4fe5470fd00bc5b421dd33a5";
+    sha256 = "14qwa4j24m2j7njw8gbagkgmp040h6k0h7kyrrzgb9y0jm087qkl";
+    fetchSubmodules = false;
+  };
+
+  # The monstrosity of a regex below is to ensure that only error() calls are
+  # corrected to have a %s format specifier. However, logic_error() also
+  # exists, (a simple regex also matches that), but logic_error() doesn't
+  # require a format specifier. So, this regex was born to handle that...
+  patchPhase = ''
+    substituteInPlace build.sh --replace "level-set-0.3.1" "${pname}-${version}" \
+                               --replace "\`pwd\`" '/build'
+    sed -i -E 's#[^[:graph:]]error \(# error \(\"%s\", #g' src/*.cpp
+  '';
+
+  nativeBuildInputs = [
+    automake
+    autoconf
+    autoconf-archive
+  ];
+
+  requiredOctavePackages = [
+    parallel
+  ];
+
+  preBuild = ''
+    mkdir -p $out
+    source ./build.sh
+    cd -
+  '';
+
+  meta = with lib; {
+    name = "Level Set";
+    homepage = "https://octave.sourceforge.io/level-set/index.html";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ KarlJoad ];
+    description = "Routines for calculating the time-evolution of the level-set equation and extracting geometric information from the level-set function";
+    # /build/level-set-2019-04-13.tar.gz: Cannot open: No such file or directory
+    broken = stdenv.isDarwin;
+  };
+}