#!/usr/bin/env bash # Defining a toolchain directory's name according to the current OS. # Assume that proper version of NDK is installed # and is referenced by ANDROID_NDK_HOME environment variable case "$OSTYPE" in darwin*) HOST_TAG="darwin-x86_64" ;; linux*) HOST_TAG="linux-x86_64" ;; msys) case "$(uname -m)" in x86_64) HOST_TAG="windows-x86_64" ;; i686) HOST_TAG="windows" ;; esac ;; esac if [[ $OSTYPE == "darwin"* ]]; then HOST_NPROC=$(sysctl -n hw.physicalcpu) else HOST_NPROC=$(nproc) fi # The variable is used as a path segment of the toolchain path export HOST_TAG=$HOST_TAG # Number of physical cores in the system to facilitate parallel assembling export HOST_NPROC=$HOST_NPROC # Using CMake from the Android SDK export CMAKE_EXECUTABLE=${ANDROID_SDK_HOME}/cmake/3.10.2.4988404/bin/cmake # Using Build machine's Make, because Android NDK's Make (before r21) doesn't work properly in MSYS2 on Windows export MAKE_EXECUTABLE=$(which make) # Using Build machine's Ninja. It is used for libdav1d building. Needs to be installed export NINJA_EXECUTABLE=$(which ninja) # Meson is used for libdav1d building. Needs to be installed export MESON_EXECUTABLE=$(which meson) # Nasm is used for libdav1d and libx264 building. Needs to be installed export NASM_EXECUTABLE=$(which nasm) # A utility to properly pick shared libraries by FFmpeg's configure script. Needs to be installed export PKG_CONFIG_EXECUTABLE=$(which pkg-config)