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/obliv-c/default.nix

@@ -0,0 +1,43 @@
+{ lib, stdenv, libgcrypt, fetchFromGitHub, ocamlPackages, perl }:
+stdenv.mkDerivation rec {
+  pname = "obliv-c";
+  version = "0.0pre20210621";
+  buildInputs = [ perl ]
+  ++ (with ocamlPackages; [ ocaml findlib ocamlbuild ]);
+  propagatedBuildInputs = [ libgcrypt ];
+  src = fetchFromGitHub {
+    owner = "samee";
+    repo = "obliv-c";
+    rev = "e02e5c590523ef4dae06e167a7fa00037bb3fdaf";
+    sha256 = "sha256:02vyr4689f4dmwqqs0q1mrack9h3g8jz3pj8zqiz987dk0r5mz7a";
+  };
+
+  hardeningDisable = [ "fortify" ];
+
+  patches = [ ./ignore-complex-float128.patch ];
+
+  preBuild = ''
+    patchShebangs .
+  '';
+
+  preInstall = ''
+    mkdir -p "$out/bin"
+    cp bin/* "$out/bin"
+    mkdir -p "$out/share/doc/obliv-c"
+    cp -r doc/* README* CHANGE* Change* LICEN* TODO* "$out/share/doc/obliv-c"
+    mkdir -p "$out/share/obliv-c"
+    cp -r test "$out/share/obliv-c"
+    mkdir -p "$out/include"
+    cp src/ext/oblivc/*.h "$out/include"
+    mkdir -p "$out/lib"
+    gcc $(ar t _build/libobliv.a | sed -e 's@^@_build/@') --shared -o _build/libobliv.so
+    cp _build/lib*.a _build/lib*.so* "$out/lib"
+  '';
+
+  meta = {
+    description = "A GCC wrapper that makes it easy to embed secure computation protocols inside regular C programs";
+    license = lib.licenses.bsd3;
+    maintainers = [lib.maintainers.raskin];
+    platforms = lib.platforms.linux;
+  };
+}

pkgs/development/compilers/obliv-c/ignore-complex-float128.patch

@@ -0,0 +1,37 @@
+--- a/src/frontc/clexer.mll
++++ b/src/frontc/clexer.mll
+@@ -134,9 +134,11 @@ let init_lexicon _ =
+       (* WW: see /usr/include/sys/cdefs.h for why __signed and __volatile
+        * are accepted GCC-isms *)
+       ("_Bool", fun loc -> BOOL loc);
++      ("_Complex", fun loc -> COMPLEX loc);
+       ("char", fun loc -> CHAR loc);
+       ("int", fun loc -> INT loc);
+       ("float", fun loc -> FLOAT loc);
++      ("__float128", fun loc -> FLOAT128 loc);
+       ("double", fun loc -> DOUBLE loc);
+       ("void", fun loc -> VOID loc);
+       ("enum", fun loc -> ENUM loc);
+--- a/src/frontc/cparser.mly
++++ b/src/frontc/cparser.mly
+@@ -269,6 +269,8 @@ let oblivState (s:statement): statement =
+ %token<Cabs.cabsloc> VOLATILE EXTERN STATIC CONST RESTRICT AUTO REGISTER FROZEN
+ %token<Cabs.cabsloc> THREAD
+ 
++%token<Cabs.cabsloc> COMPLEX FLOAT128
++
+ %token<Cabs.cabsloc> SIZEOF ALIGNOF
+ 
+ %token EQ PLUS_EQ MINUS_EQ STAR_EQ SLASH_EQ PERCENT_EQ
+@@ -1002,7 +1004,11 @@ type_spec:   /* ISO 6.7.2 */
+ |   LONG            { Tlong, $1 }
+ |   INT64           { Tint64, $1 }
+ |   FLOAT           { Tfloat, $1 }
++|   FLOAT128        { Tfloat, $1 }
+ |   DOUBLE          { Tdouble, $1 }
++|   COMPLEX FLOAT   { Tfloat, $2 }
++|   COMPLEX FLOAT128{ Tfloat, $2 }
++|   COMPLEX DOUBLE  { Tdouble, $2 }
+ |   SIGNED          { Tsigned, $1 }
+ |   UNSIGNED        { Tunsigned, $1 }
+ |   STRUCT                 id_or_typename