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/applications/science/math/calculix/calculix.patch

@@ -0,0 +1,23 @@
+diff --git a/ccx_2.19/src/Makefile b/ccx_2.19/src/Makefile
+index c503513..8a69a0c 100755
+--- a/ccx_2.19/src/Makefile
++++ b/ccx_2.19/src/Makefile
+@@ -18,15 +18,10 @@ OCCXF = $(SCCXF:.f=.o)
+ OCCXC = $(SCCXC:.c=.o)
+ OCCXMAIN = $(SCCXMAIN:.c=.o)
+ 
+-DIR=../../../SPOOLES.2.2
++LIBS = -lpthread -lm -lc -lspooles -larpack -lblas -llapack
+ 
+-LIBS = \
+-       $(DIR)/spooles.a \
+-	../../../ARPACK/libarpack_INTEL.a \
+-       -lpthread -lm -lc
+-
+-ccx_2.19: $(OCCXMAIN) ccx_2.19.a  $(LIBS)
+-	./date.pl; $(CC) $(CFLAGS) -c ccx_2.19.c; $(FC)  -Wall -O2 -o $@ $(OCCXMAIN) ccx_2.19.a $(LIBS) -fopenmp
++ccx_2.19: $(OCCXMAIN) ccx_2.19.a
++	$(CC) $(CFLAGS) -c ccx_2.19.c; $(FC)  -Wall -O2 -o $@ $(OCCXMAIN) ccx_2.19.a $(LIBS) -fopenmp
+ 
+ ccx_2.19.a: $(OCCXF) $(OCCXC)
+ 	ar vr $@ $?

pkgs/applications/science/math/calculix/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchurl, gfortran, arpack, spooles, blas, lapack }:
+
+stdenv.mkDerivation rec {
+  pname = "calculix";
+  version = "2.19";
+
+  src = fetchurl {
+    url = "http://www.dhondt.de/ccx_${version}.src.tar.bz2";
+    sha256 = "01vdy9sns58hkm39z6d0r5y7gzqf5z493d18jin9krqib1l6jnn7";
+  };
+
+  nativeBuildInputs = [ gfortran ];
+
+  buildInputs = [ arpack spooles blas lapack ];
+
+  NIX_CFLAGS_COMPILE = [
+    "-I${spooles}/include/spooles"
+    "-std=legacy"
+  ];
+
+  patches = [
+    ./calculix.patch
+  ];
+
+  postPatch = ''
+    cd ccx*/src
+  '';
+
+  installPhase = ''
+    install -Dm0755 ccx_${version} $out/bin/ccx
+  '';
+
+  meta = with lib; {
+    homepage = "http://www.calculix.de/";
+    description = "Three-dimensional structural finite element program";
+    license = licenses.gpl2Plus;
+    maintainers = with maintainers; [ gebner ];
+    platforms = platforms.unix;
+  };
+}