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/tools/build-managers/bear/default.nix

@@ -0,0 +1,62 @@
+{ lib, stdenv
+, fetchFromGitHub
+, cmake
+, pkg-config
+, grpc
+, protobuf
+, openssl
+, nlohmann_json
+, gtest
+, spdlog
+, c-ares
+, abseil-cpp
+, zlib
+, sqlite
+, re2
+}:
+
+stdenv.mkDerivation rec {
+  pname = "bear";
+  version = "3.0.14";
+
+  src = fetchFromGitHub {
+    owner = "rizsotto";
+    repo = pname;
+    rev = version;
+    sha256 = "0qy96dyd29bjvfhi46y30hli5cvshw8am0spvcv9v43660wbczd7";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+
+  buildInputs = [
+    grpc
+    protobuf
+    openssl
+    nlohmann_json
+    gtest
+    spdlog
+    c-ares
+    abseil-cpp
+    zlib
+    sqlite
+    re2
+  ];
+
+  patches = [
+    # Default libexec would be set to /nix/store/*-bear//nix/store/*-bear/libexec/...
+    ./no-double-relative.patch
+  ];
+
+  meta = with lib; {
+    description = "Tool that generates a compilation database for clang tooling";
+    longDescription = ''
+      Note: the bear command is very useful to generate compilation commands
+      e.g. for YouCompleteMe.  You just enter your development nix-shell
+      and run `bear make`.  It's not perfect, but it gets a long way.
+    '';
+    homepage = "https://github.com/rizsotto/Bear";
+    license = licenses.gpl3Plus;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ babariviere qyliss ];
+  };
+}

pkgs/development/tools/build-managers/bear/no-double-relative.patch

@@ -0,0 +1,22 @@
+diff --git i/source/config.h.in w/source/config.h.in
+index ffcce3a..0caba6d 100644
+--- i/source/config.h.in
++++ w/source/config.h.in
+@@ -107,7 +107,7 @@ namespace cmd {
+     }
+ 
+     namespace wrapper {
+-        constexpr char DEFAULT_PATH[] = "@ROOT_INSTALL_PREFIX@/@PRIVATE_INSTALLDIR@/wrapper";
++        constexpr char DEFAULT_PATH[] = "@PRIVATE_INSTALLDIR@/wrapper";
+         constexpr char DEFAULT_DIR_PATH[] = "@ROOT_INSTALL_PREFIX@/@PRIVATE_INSTALLDIR@/wrapper.d";
+ 
+         constexpr char FLAG_VERBOSE[] = "--verbose";
+@@ -120,7 +120,7 @@ namespace cmd {
+     }
+ 
+     namespace library {
+-        constexpr char DEFAULT_PATH[] = "@ROOT_INSTALL_PREFIX@/@PRIVATE_INSTALLDIR@/@CMAKE_SHARED_LIBRARY_PREFIX@exec@CMAKE_SHARED_LIBRARY_SUFFIX@";
++        constexpr char DEFAULT_PATH[] = "@PRIVATE_INSTALLDIR@/@CMAKE_SHARED_LIBRARY_PREFIX@exec@CMAKE_SHARED_LIBRARY_SUFFIX@";
+ 
+         constexpr char KEY_REPORTER[] = "INTERCEPT_REPORT_COMMAND";
+         constexpr char KEY_DESTINATION[] = "INTERCEPT_REPORT_DESTINATION";