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/flint/default.nix

@@ -0,0 +1,57 @@
+{ lib
+, stdenv
+, fetchurl
+, gmp
+, mpir
+, mpfr
+, ntl
+, openblas ? null, blas, lapack
+, withBlas ? true
+}:
+
+assert withBlas -> openblas != null && blas.implementation == "openblas" && lapack.implementation == "openblas";
+
+stdenv.mkDerivation rec {
+  pname = "flint";
+  version = "2.8.5";
+
+  src = fetchurl {
+    url = "https://www.flintlib.org/flint-${version}.tar.gz";
+    sha256 = "sha256-WRH+3/kREA8VeB8146T6k0/mDkrqAqjBDMiRgQHB7tg=";
+  };
+
+  buildInputs = [
+    gmp
+    mpir
+    mpfr
+    ntl
+  ] ++ lib.optionals withBlas [
+    openblas
+  ];
+
+  propagatedBuildInputs = [
+    mpfr # flint.h includes mpfr.h
+  ];
+
+  configureFlags = [
+    "--with-gmp=${gmp}"
+    "--with-mpir=${mpir}"
+    "--with-mpfr=${mpfr}"
+    "--with-ntl=${ntl}"
+  ] ++ lib.optionals withBlas [
+    "--with-blas=${openblas}"
+  ];
+
+  enableParallelBuilding = true;
+
+  doCheck = true;
+
+  meta = with lib; {
+    description = "Fast Library for Number Theory";
+    license = licenses.gpl2Plus;
+    maintainers = teams.sage.members;
+    platforms = platforms.unix;
+    homepage = "https://www.flintlib.org/";
+    downloadPage = "https://www.flintlib.org/downloads.html";
+  };
+}