+NDK := prebuilt/ndk/android-ndk-r7
+
+ifeq ($(shell which cmake),)
+$(shell echo "CMake not found, will not compile apitrace" >&2)
+else # cmake
+ifeq ($(wildcard $(NDK)),)
+$(shell echo "CMake present but NDK not found at $(abspath $(NDK)), will not compile apitrace" >&2)
+else # NDK
+$(shell echo "CMake and NDK ($(abspath $(NDK))) found, will compile apitrace" >&2)
+