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/python-modules/gyp/default.nix

@@ -0,0 +1,28 @@
+{ lib, stdenv
+, buildPythonPackage
+, fetchFromGitiles
+}:
+
+buildPythonPackage {
+  pname = "gyp";
+  version = "2020-05-12";
+
+  src = fetchFromGitiles {
+    url = "https://chromium.googlesource.com/external/gyp";
+    rev = "caa60026e223fc501e8b337fd5086ece4028b1c6";
+    sha256 = "0r9phq5yrmj968vdvy9vivli35wn1j9a6iwshp69wl7q4p0x8q2b";
+  };
+
+  patches = lib.optionals stdenv.isDarwin [
+    ./no-darwin-cflags.patch
+    ./no-xcode.patch
+  ];
+
+  meta = with lib; {
+    description = "A tool to generate native build files";
+    homepage = "https://chromium.googlesource.com/external/gyp/+/master/README.md";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ codyopel ];
+  };
+
+}

pkgs/development/python-modules/gyp/no-darwin-cflags.patch

@@ -0,0 +1,40 @@
+Index: gyp/pylib/gyp/xcode_emulation.py
+===================================================================
+--- gyp/pylib/gyp/xcode_emulation.py
++++ gyp/pylib/gyp/xcode_emulation.py
+@@ -483,9 +483,6 @@
+     if self._Test('GCC_CHAR_IS_UNSIGNED_CHAR', 'YES', default='NO'):
+       cflags.append('-funsigned-char')
+ 
+-    if self._Test('GCC_CW_ASM_SYNTAX', 'YES', default='YES'):
+-      cflags.append('-fasm-blocks')
+-
+     if 'GCC_DYNAMIC_NO_PIC' in self._Settings():
+       if self._Settings()['GCC_DYNAMIC_NO_PIC'] == 'YES':
+         cflags.append('-mdynamic-no-pic')
+@@ -495,9 +492,6 @@
+       # mdynamic-no-pic by default for executable and possibly static lib
+       # according to mento
+ 
+-    if self._Test('GCC_ENABLE_PASCAL_STRINGS', 'YES', default='YES'):
+-      cflags.append('-mpascal-strings')
+-
+     self._Appendf(cflags, 'GCC_OPTIMIZATION_LEVEL', '-O%s', default='s')
+ 
+     if self._Test('GCC_GENERATE_DEBUGGING_SYMBOLS', 'YES', default='YES'):
+@@ -553,7 +541,6 @@
+       # TODO: Supporting fat binaries will be annoying.
+       self._WarnUnimplemented('ARCHS')
+       archs = ['i386']
+-    cflags.append('-arch ' + archs[0])
+ 
+     if archs[0] in ('i386', 'x86_64'):
+       if self._Test('GCC_ENABLE_SSE3_EXTENSIONS', 'YES', default='NO'):
+@@ -811,7 +798,6 @@
+       # TODO: Supporting fat binaries will be annoying.
+       self._WarnUnimplemented('ARCHS')
+       archs = ['i386']
+-    ldflags.append('-arch ' + archs[0])
+ 
+     # Xcode adds the product directory by default.
+     ldflags.append('-L' + product_dir)

pkgs/development/python-modules/gyp/no-xcode.patch

@@ -0,0 +1,25 @@
+--- gyp-old/pylib/gyp/xcode_emulation.py	1980-01-02 00:00:00.000000000 -0600
++++ gyp/pylib/gyp/xcode_emulation.py	2020-08-02 20:24:24.871322520 -0500
+@@ -1407,10 +1407,10 @@
+       raise GypError("xcodebuild returned unexpected results")
+   except:
+     version = CLTVersion()
+-    if version:
++    if version and re.match(r'(\d\.\d\.?\d*)', version):
+       version = re.match(r'(\d\.\d\.?\d*)', version).groups()[0]
+     else:
+-      raise GypError("No Xcode or CLT version detected!")
++      version = '7.0.0'
+     # The CLT has no build information, so we return an empty string.
+     version_list = [version, '']
+   version = version_list[0]
+@@ -1667,7 +1667,8 @@
+     sdk_root = xcode_settings._SdkRoot(configuration)
+     if not sdk_root:
+       sdk_root = xcode_settings._XcodeSdkPath('')
+-    env['SDKROOT'] = sdk_root
++    if not sdk_root:
++      env['SDKROOT'] = ''
+ 
+   if not additional_settings:
+     additional_settings = {}