nixpkgs/pkgs/development/mobile/androidenv/make-standalone-toolchain_r8e.patch

diff -ru android-ndk-r8e.old/build/tools/make-standalone-toolchain.sh android-ndk-r8e/build/tools/make-standalone-toolchain.sh
--- android-ndk-r8e.old/build/tools/make-standalone-toolchain.sh	2014-10-16 03:46:32.000000000 +0200
+++ android-ndk-r8e/build/tools/make-standalone-toolchain.sh	2014-10-24 23:46:22.544928306 +0200
@@ -194,6 +194,9 @@
 # Now copy the GCC toolchain prebuilt binaries
 run copy_directory "$TOOLCHAIN_PATH" "$TMPDIR"
 
+# Making it writable again
+chmod -R +w "$TMPDIR"
+
 if [ -n "$LLVM_VERSION" ]; then
   # Copy the clang/llvm toolchain prebuilt binaries
   run copy_directory "$LLVM_TOOLCHAIN_PATH" "$TMPDIR"