Ok, it seems prebuilt/linux-x86/toolchain/arm-eabi-4.4.3/bin/arm-eabi-gcc is used by default, and if TARGET_TOOLS_PREFIX exists, but empty, android's default will be used.
Ok, it seems prebuilt/ linux-x86/ toolchain/ arm-eabi- 4.4.3/bin/ arm-eabi- gcc is used by default, and if TARGET_TOOLS_PREFIX exists, but empty, android's default will be used.