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/misc/automake/builder.sh

@@ -0,0 +1,47 @@
+source $stdenv/setup
+
+# Wrap the given `aclocal' program, appending extra `-I' flags
+# corresponding to the directories listed in $ACLOCAL_PATH.  (Note
+# that `wrapProgram' can't be used for that purpose since it can only
+# prepend flags, not append them.)
+wrapAclocal() {
+    local program="$1"
+    local wrapped="$(dirname $program)/.$(basename $program)-wrapped"
+
+    mv "$program" "$wrapped"
+    cat > "$program"<<EOF
+#! $SHELL -e
+
+unset extraFlagsArray
+declare -a extraFlagsArray
+
+oldIFS=\$IFS
+IFS=:
+for dir in \$ACLOCAL_PATH; do
+    if test -n "\$dir" -a -d "\$dir"; then
+        extraFlagsArray=("\${extraFlagsArray[@]}" "-I" "\$dir")
+    fi
+done
+IFS=\$oldIFS
+
+exec "$wrapped" "\$@" "\${extraFlagsArray[@]}"
+EOF
+    chmod +x "$program"
+}
+
+postInstall() {
+    # Create a wrapper around `aclocal' that converts every element in
+    # `ACLOCAL_PATH' into a `-I dir' option.  This way `aclocal'
+    # becomes modular; M4 macros do not need to be stored in a single
+    # global directory, while callers of `aclocal' do not need to pass
+    # `-I' options explicitly.
+
+    for prog in $out/bin/aclocal*; do
+        wrapAclocal "$prog"
+    done
+
+    ln -s aclocal-1.11 $out/share/aclocal
+    ln -s automake-1.11 $out/share/automake
+}
+
+genericBuild