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#!/usr/bin/env bash
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# Defining a toolchain directory's name according to the current OS.
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# Assume that proper version of NDK is installed
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# and is referenced by ANDROID_NDK_HOME environment variable
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case "$OSTYPE" in
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darwin*) HOST_TAG="darwin-x86_64" ;;
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linux*) HOST_TAG="linux-x86_64" ;;
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msys)
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case "$(uname -m)" in
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x86_64) HOST_TAG="windows-x86_64" ;;
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i686) HOST_TAG="windows" ;;
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esac
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;;
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esac
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if [[ $OSTYPE == "darwin"* ]]; then
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HOST_NPROC=$(sysctl -n hw.physicalcpu)
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else
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HOST_NPROC=$(nproc)
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fi
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# The variable is used as a path segment of the toolchain path
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export HOST_TAG=$HOST_TAG
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# Number of physical cores in the system to facilitate parallel assembling
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export HOST_NPROC=$HOST_NPROC
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# Using CMake from the Android SDK
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export CMAKE_EXECUTABLE=${ANDROID_SDK_HOME}/cmake/3.22.1/bin/cmake
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# Using Make from the Android SDK
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export MAKE_EXECUTABLE=${ANDROID_NDK_HOME}/prebuilt/${HOST_TAG}/bin/make
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# Using Build machine's Ninja. It is used for libdav1d building. Needs to be installed
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export NINJA_EXECUTABLE=$(which ninja)
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# Meson is used for libdav1d building. Needs to be installed
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export MESON_EXECUTABLE=$(which meson)
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# Nasm is used for libdav1d and libx264 building. Needs to be installed
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export NASM_EXECUTABLE=$(which nasm)
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# A utility to properly pick shared libraries by FFmpeg's configure script. Needs to be installed
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export PKG_CONFIG_EXECUTABLE=$(which pkg-config)
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