Created
February 19, 2020 14:00
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My script for building the flutter engine binaries for Raspberry Pi using LLVM 9, LLVM 10, libcxx, libcxxabi & GNU binutils.
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| #!/bin/bash | |
| function prettyEcho { | |
| _date=$(date '+%d.%m.%Y %X') | |
| echo -e "[$_date] \e[92m$1\e[0m" | |
| echo "[$_date] $1" >> /home/hannes/develd/upgrade.log | |
| } | |
| function prettyTime { | |
| time (($@) && echo "run-time:") | |
| } | |
| function runExt { | |
| $@ &>> /home/hannes/develd/upgrade.log | |
| } | |
| function upgradeBinutils { | |
| set -e | |
| cd /home/hannes/develd | |
| prettyEcho "checking out latest binutils..." | |
| cd binutils | |
| runExt git pull | |
| prettyEcho "removing old binutils build files..." | |
| cd .. | |
| rm -rf ./binutils-build | |
| mkdir binutils-build | |
| cd ./binutils-build | |
| prettyEcho "generating binutils build files..." | |
| runExt ../binutils/configure --enable-ld --enable-gold --enable-lto --target=arm-linux-gnueabihf \ | |
| --prefix="/home/hannes/develd/rpi-toolchain" | |
| prettyEcho "building binutils..." | |
| runExt make -j8 | |
| prettyEcho "installing binutils..." | |
| runExt make install | |
| prettyEcho "done upgrading binutils!" | |
| set +e | |
| } | |
| function upgradeLLVM { | |
| set -e | |
| cd /home/hannes/develd/llvm-src-9 | |
| prettyEcho "checking out latest LLVM 9.x..." | |
| runExt git pull | |
| prettyEcho "removing old LLVM build files..." | |
| cd /home/hannes/develd/llvm-build | |
| rm -rf ./llvm | |
| mkdir llvm | |
| cd llvm | |
| prettyEcho "generating LLVM build files..." | |
| runExt cmake /home/hannes/develd/llvm-src-9/llvm \ | |
| -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/home/hannes/develd/rpi-toolchain \ | |
| -DLLVM_DEFAULT_TARGET_TRIPLE=arm-linux-gnueabihf \ | |
| -DLLVM_ENABLE_PROJECTS="llvm;clang" -DLLVM_TARGETS_TO_BUILD=ARM -GNinja | |
| prettyEcho "building LLVM..." | |
| runExt ninja | |
| prettyEcho "installing LLVM" | |
| runExt ninja install | |
| prettyEcho "done upgrading LLVM!" | |
| set +e | |
| } | |
| function upgradeLibcxx { | |
| set -e | |
| cd /home/hannes/develd/llvm-src-latest | |
| prettyEcho "checking out latest LLVM..." | |
| runExt git pull | |
| prettyEcho "removing old libcxxabi build files..." | |
| cd /home/hannes/develd/llvm-build | |
| rm -rf libcxxabi | |
| mkdir libcxxabi | |
| cd libcxxabi | |
| prettyEcho "generating libcxxabi build files..." | |
| runExt cmake /home/hannes/develd/llvm-src-latest/libcxxabi -GNinja \ | |
| -DCMAKE_CROSSCOMPILING=True -DCMAKE_SYSROOT=/home/hannes/develd/rpi-sysroot -DCMAKE_INSTALL_PREFIX=/home/hannes/develd/rpi-toolchain \ | |
| -DCMAKE_BUILD_TYPE=Release -DCMAKE_SYSTEM_NAME=Linux -DCMAKE_SYSTEM_PROCESSOR=ARM \ | |
| -DCMAKE_C_COMPILER=/home/hannes/develd/rpi-toolchain/bin/clang -DCMAKE_CXX_COMPILER=/home/hannes/develd/rpi-toolchain/bin/clang++ \ | |
| -DCMAKE_AR=/home/hannes/develd/rpi-toolchain/bin/arm-linux-gnueabihf-ar \ | |
| -DCMAKE_RANLIB=/home/hannes/develd/rpi-toolchain/bin/arm-linux-gnueabihf-ranlib \ | |
| -DCMAKE_LINKER=/home/hannes/develd/rpi-toolchain/bin/clang \ | |
| -DCMAKE_MT=/home/hannes/develd/rpi-toolchain/bin/arm-linux-gnueabihf-mt \ | |
| -DCMAKE_STRIP=/home/hannes/develd/rpi-toolchain/bin/arm-linux-gnueabihf-strip \ | |
| -DLLVM_TARGETS_TO_BUILD=ARM -DLIBCXXABI_ENABLE_EXCEPTIONS=False \ | |
| -DCMAKE_MAKE_PROGRAM=/usr/bin/ninja \ | |
| -DLIBCXX_ENABLE_SHARED=False | |
| prettyEcho "building libcxxabi..." | |
| runExt ninja | |
| prettyEcho "installing libcxxabi..." | |
| runExt ninja install | |
| prettyEcho "done upgrading libxxabi!" | |
| prettyEcho "removing old libcxx build files..." | |
| cd .. | |
| rm -rf libcxx | |
| mkdir libcxx | |
| cd libcxx | |
| prettyEcho "generating libcxx build files..." | |
| runExt cmake /home/hannes/develd/llvm-src-latest/libcxx -GNinja \ | |
| -DCMAKE_CROSSCOMPILING=True -DCMAKE_SYSROOT=/home/hannes/develd/rpi-sysroot -DCMAKE_INSTALL_PREFIX=/home/hannes/develd/rpi-toolchain \ | |
| -DCMAKE_BUILD_TYPE=Release -DCMAKE_SYSTEM_NAME=Linux -DCMAKE_SYSTEM_PROCESSOR=ARM \ | |
| -DCMAKE_C_COMPILER=/home/hannes/develd/rpi-toolchain/bin/clang \ | |
| -DCMAKE_CXX_COMPILER=/home/hannes/develd/rpi-toolchain/bin/clang++ \ | |
| -DCMAKE_AR=/home/hannes/develd/rpi-toolchain/bin/arm-linux-gnueabihf-ar \ | |
| -DCMAKE_RANLIB=/home/hannes/develd/rpi-toolchain/bin/arm-linux-gnueabihf-ranlib \ | |
| -DCMAKE_LINKER=/home/hannes/develd/rpi-toolchain/bin/clang \ | |
| -DCMAKE_MT=/home/hannes/develd/rpi-toolchain/bin/arm-linux-gnueabihf-mt \ | |
| -DCMAKE_STRIP=/home/hannes/develd/rpi-toolchain/bin/arm-linux-gnueabihf-strip \ | |
| -DPYTHON_EXECUTABLE=/usr/bin/python3 \ | |
| -DLLVM_TARGETS_TO_BUILD=ARM -DLIBCXX_CXX_ABI=libcxxabi -DLIBCXX_CXX_ABI_INCLUDE_PATHS=/home/hannes/develd/rpi-toolchain/include/c++/v1 \ | |
| -DLIBCXX_CXX_ABI_LIBRARY_PATH=/home/hannes/develd/rpi-toolchain/lib \ | |
| -DCMAKE_MAKE_PROGRAM=/usr/bin/ninja \ | |
| -DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=True -DLIBCXX_ENABLE_EXCEPTIONS=False -DLIBCXX_ENABLE_RTTI=False | |
| prettyEcho "building libcxx..." | |
| runExt ninja | |
| prettyEcho "installing libcxx..." | |
| runExt ninja install | |
| prettyEcho "done upgrading libcxx!" | |
| set +e | |
| } | |
| function upgradeEngine { | |
| set +e | |
| channel=$1 | |
| [ -z "$channel" ] && channel="stable" | |
| enginecommit=$(wget https://raw.githubusercontent.com/flutter/flutter/$channel/bin/internal/engine.version -q -O -) | |
| [ -z "$enginecommit" ] && { echo "channel $channel does not exist"; exit 1; } | |
| set -e | |
| prettyEcho "updating engine sources to latest $channel commit $enginecommit..." | |
| cd /home/hannes/develd/engine | |
| runExt gclient sync --revision=https://github.com/flutter/engine.git@$enginecommit | |
| prettyEcho "removing old engine build files..." | |
| cd /home/hannes/develd | |
| rm -rf ./engine-out | |
| mkdir engine-out | |
| prettyEcho "generating engine build files..." | |
| runExt ./engine/src/flutter/tools/gn \ | |
| --target-sysroot /home/hannes/develd/rpi-sysroot \ | |
| --target-toolchain /home/hannes/develd/rpi-toolchain \ | |
| --target-triple arm-linux-gnueabihf \ | |
| --linux-cpu arm \ | |
| --runtime-mode debug \ | |
| --embedder-for-target \ | |
| --lto \ | |
| --target-os linux \ | |
| --arm-float-abi hard \ | |
| --out /home/hannes/develd/engine-out | |
| prettyEcho "building engine..." | |
| cd ./engine-out/out/linux_debug_arm/ | |
| runExt ninja | |
| prettyEcho "copying engine binaries to engine-binaries directory..." | |
| runExt cp libflutter_engine.so flutter_embedder.h icudtl.dat /home/hannes/develd/engine-binaries | |
| echo "$enginecommit" > /home/hannes/develd/engine-binaries/engine.version | |
| prettyEcho "done upgrading engine!" | |
| set +e | |
| } | |
| function upgradeAll { | |
| prettyEcho "upgrading LLVM, binutils, libcxx and flutter engine" | |
| upgradeLLVM | |
| upgradeBinutils | |
| upgradeLibcxx | |
| upgradeEngine | |
| prettyEcho "all done!" | |
| } | |
| function printUsage { | |
| echo "upgrade-tool.sh usage:" | |
| echo " upgrade-tool.sh <command>" | |
| echo "" | |
| echo " where <command> may be one of:" | |
| echo " llvm: upgrades LLVM/Clang to the newest commit of the stable 9 release" | |
| echo " libcxx: upgrades libcxx to the newest commit" | |
| echo " binutils: upgrades binutils to the newest version" | |
| echo " engine: upgrades engine to the newest stable version" | |
| echo " all: all of the above." | |
| } | |
| echo "" > upgrade.log | |
| case $1 in | |
| llvm) | |
| prettyTime upgradeLLVM | |
| ;; | |
| libcxx) | |
| prettyTime upgradeLibcxx | |
| ;; | |
| binutils) | |
| prettyTime upgradeBinutils | |
| ;; | |
| engine) | |
| prettyTime upgradeEngine | |
| ;; | |
| all) | |
| prettyTime upgradeAll | |
| ;; | |
| *) | |
| echo "invalid command: $1" | |
| printUsage | |
| exit 1 | |
| ;; | |
| esac |
true, but this is meant as an example. changing /home/hannes to $HOME is not the only thing you have to change to get it working, but at least it showcases the flags and arguments you have to use
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I think using $HOME instead of /home/hannes would be a good idea.