solidity/scripts/ci/build_emscripten.sh
2022-02-14 16:52:59 +01:00

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#!/usr/bin/env bash
#------------------------------------------------------------------------------
# This script builds the solidity binary using Emscripten.
# Emscripten is a way to compile C/C++ to JavaScript.
#
# http://kripken.github.io/emscripten-site/
#
# First run install_dep.sh OUTSIDE of docker and then
# run this script inside a docker image trzeci/emscripten
#
# The documentation for solidity is hosted at:
#
# https://docs.soliditylang.org
#
# ------------------------------------------------------------------------------
# This file is part of solidity.
#
# solidity is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# solidity is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with solidity. If not, see <http://www.gnu.org/licenses/>
#
# (c) 2016 solidity contributors.
#------------------------------------------------------------------------------
set -ev
if test -z "$1"; then
BUILD_DIR="emscripten_build"
else
BUILD_DIR="$1"
fi
apt-get update && apt-get install lz4
WORKSPACE=/root/project
cd $WORKSPACE
# shellcheck disable=SC2166
if [[ "$CIRCLE_BRANCH" = release || -n "$CIRCLE_TAG" || -n "$FORCE_RELEASE" || "$(git tag --points-at HEAD 2>/dev/null)" == v* ]]
then
echo -n >prerelease.txt
else
# Use last commit date rather than build date to avoid ending up with builds for
# different platforms having different version strings (and therefore producing different bytecode)
# if the CI is triggered just before midnight.
TZ=UTC git show --quiet --date="format-local:%Y.%-m.%-d" --format="ci.%cd" >prerelease.txt
fi
if [ -n "$CIRCLE_SHA1" ]
then
echo -n "$CIRCLE_SHA1" >commit_hash.txt
fi
mkdir -p "$BUILD_DIR"
cd "$BUILD_DIR"
emcmake cmake \
-DCMAKE_BUILD_TYPE=Release \
-DBoost_USE_STATIC_LIBS=1 \
-DBoost_USE_STATIC_RUNTIME=1 \
-DTESTS=0 \
..
make soljson
cd ..
mkdir -p upload
scripts/ci/pack_soljson.sh "$BUILD_DIR/libsolc/soljson.js" "$BUILD_DIR/libsolc/soljson.wasm" upload/soljson.js
cp upload/soljson.js ./
OUTPUT_SIZE=$(ls -la soljson.js)
echo "Emscripten output size: $OUTPUT_SIZE"