Replicant

export REPLICANT_BASE=/YOUR/BASE/DIR

export PREFIX=${REPLICANT_BASE}/out/target/product/i9305/system

export SYSROOT=${REPLICANT_BASE}/prebuilts/ndk/current/platforms/android-21/arch-arm

export TOOLCHAIN_PATH=${REPLICANT_BASE}/toolchain/gcc/arm/arm-linux-androideabi/install

export TOOLCHAIN_PREFIX=arm-linux-androideabi

export CROSS_PREFIX=${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX}

export PKG_CONFIG_PATH=${PREFIX}/lib/pkgconfig

export BUILD_SYSTEM=x86_64-linux-gnu

# build flags

export CFLAGS="--sysroot=${SYSROOT} -I${SYSROOT}/usr/include -I${PREFIX}/include -fPIE -DANDROID -Wno-multichar"

export CXXFLAGS=${CFLAGS}

export CPPFLAGS="--sysroot=${SYSROOT} -I${SYSROOT}/usr/include -I${TOOLCHAIN_PATH}/include -DANDROID -DNO_XMALLOC -mandroid"

export LDFLAGS="-Wl,-rpath-link=-I${SYSROOT}/usr/lib -L${PREFIX}/lib -L${SYSROOT}/usr/lib -L${TOOLCHAIN_PATH}/lib -pie"

export LIBS="-lc"

# Non-exhaustive lists of compiler + binutils

export AR=${CROSS_PREFIX}-ar

export AS=${CROSS_PREFIX}-as

export LD=${CROSS_PREFIX}-ld

export NM=${CROSS_PREFIX}-nm

export CC=${CROSS_PREFIX}-gcc

export CXX=${CROSS_PREFIX}-g++

export CPP=${CROSS_PREFIX}-cpp

export CXXCPP=${CROSS_PREFIX}-cpp

export STRIP=${CROSS_PREFIX}-strip

export RANLIB=${CROSS_PREFIX}-ranlib

export STRINGS=${CROSS_PREFIX}-strings