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/build-support/setup-hooks/wrap-gapps-hook/tests/lib.nix

@@ -0,0 +1,31 @@
+{ lib, runCommand }:
+
+rec {
+  runTest = name: body: runCommand name { } ''
+    set -o errexit
+    ${body}
+    touch $out
+  '';
+
+  skip = cond: text:
+    if cond then ''
+      echo "Skipping test $name" > /dev/stderr
+    '' else text;
+
+  fail = text: ''
+    echo "FAIL: $name: ${text}" > /dev/stderr
+    exit 1
+  '';
+
+  expectSomeLineContainingYInFileXToMentionZ = file: filter: expected: ''
+    file=${lib.escapeShellArg file} filter=${lib.escapeShellArg filter} expected=${lib.escapeShellArg expected}
+
+    if ! grep --text --quiet "$filter" "$file"; then
+        ${fail "The file “$file” should include a line containing “$filter”."}
+    fi
+
+    if ! grep --text "$filter" "$file" | grep --text --quiet "$expected"; then
+        ${fail "The file “$file” should include a line containing “$filter” that also contains “$expected”."}
+    fi
+  '';
+}

pkgs/build-support/setup-hooks/wrap-gapps-hook/tests/sample-project/Makefile

@@ -0,0 +1,30 @@
+PREFIX = $(out)
+BINDIR = $(PREFIX)/bin
+LIBEXECDIR = $(PREFIX)/libexec
+LIBDIR = $(PREFIX)/lib
+TYPELIBDIR = $(LIBDIR)/girepository-1.0
+
+all:
+	echo "Compiling…"
+install:
+	echo "Installing…"
+
+bin:
+	mkdir -p $(BINDIR)
+# Adds `bin-${foo}` targets, that install `${foo}` executable to `$(BINDIR)`.
+bin-%: bin
+	touch $(BINDIR)/$(@:bin-%=%)
+	chmod +x $(BINDIR)/$(@:bin-%=%)
+
+libexec:
+	mkdir -p $(LIBEXECDIR)
+# Adds `libexec-${foo}` targets, that install `${foo}` executable to `$(LIBEXECDIR)`.
+libexec-%: libexec
+	touch $(LIBEXECDIR)/$(@:libexec-%=%)
+	chmod +x $(LIBEXECDIR)/$(@:libexec-%=%)
+
+typelib:
+	mkdir -p $(TYPELIBDIR)
+# Adds `typelib-${foo}` targets, that install `${foo}-1.0.typelib` file to `$(TYPELIBDIR)`.
+typelib-%: typelib
+	touch $(TYPELIBDIR)/$(@:typelib-%=%)-1.0.typelib