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scummvm/dists/emscripten/build.sh
Christian Kündig 9bf564b54a EMSCRIPTEN: Remove patches from this repo
2022-06-12 14:34:13 +02:00

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#!/bin/bash
#
# .dists/emscripten/build.sh -- Sets up an emscripten build environment and builds ScummVM for webassembly
#
# ScummVM is the legal property of its developers, whose names
# are too numerous to list here. Please refer to the COPYRIGHT
# file distributed with this source distribution.
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
# print commands
if [[ "$_verbose" = true ]]; then
set -o xtrace
fi
# exit when any command fails
set -e
EMSDK_VERSION="3.1.8"
ROOT_FOLDER=$(pwd)
DIST_FOLDER="$ROOT_FOLDER/dists/emscripten"
LIBS_FOLDER="$DIST_FOLDER/libs"
TASKS=()
CONFIGURE_ARGS=()
_bundle_games=()
_verbose=false
EMSCRIPTEN_VERSION=$EMSDK_VERSION
usage="\
Usage: ./dists/emscripten/build.sh [TASKS] [OPTIONS]
Output the configuration name of the system \`$me' is run on.
Tasks:
(space separated) List of tasks to run. See ./dists/emscripten/README.md for details.
Options:
-h, --help print this help, then exit
--bundle-games= comma-separated list of demos and freeware games to bundle.
-v, --verbose print all commands run by the script
--* all other options are passed on to the configure script
"
# parse inputs
for i in "$@"; do
case $i in
--bundle-games=*)
str="${i#*=}"
_bundle_games="${str//,/ }"
shift # past argument=value
;;
-h | --help)
echo "$usage"
exit
;;
-v | --verbose)
_verbose=true
;;
-* | --*)
CONFIGURE_ARGS+=" $i"
;;
*)
TASKS+="|$i" # save positional arg
shift # past argument
;;
esac
done
TASKS="${TASKS:1}"
if [[ -z "$TASKS" ]]; then
echo "$usage"
exit
fi
#################################
# Setup Toolchain
#################################
if [[ "setup" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
# Activate Emscripten
if [[ ! -d "$DIST_FOLDER/emsdk-$EMSDK_VERSION" ]]; then
echo "$DIST_FOLDER/emsdk-$EMSDK_VERSION not found. Installing Emscripten"
cd "$DIST_FOLDER"
if [[ "$EMSDK_VERSION" = "tot" ]]; then
git clone "https://github.com/emscripten-core/emsdk/" emsdk-tot
else
wget -nc --content-disposition "https://github.com/emscripten-core/emsdk/archive/refs/tags/${EMSDK_VERSION}.tar.gz"
tar -xf "emsdk-${EMSDK_VERSION}.tar.gz"
fi
cd "$DIST_FOLDER/emsdk-${EMSDK_VERSION}"
./emsdk install ${EMSCRIPTEN_VERSION}
# We currently require a few patches for unreleased changes Emscripten, see https://github.com/chkuendig/scummvm-demo/tree/main/patches
if [[ "$EMSCRIPTEN_VERSION" == "3.1.8" ]]; then
echo "Patching Emscripten"
cd upstream/emscripten
# until https://github.com/emscripten-core/emscripten/pull/15893 gets merged and released, we need to manually patch it
wget -nc https://raw.githubusercontent.com/chkuendig/scummvm-demo/main/patches/emscripten-15893.patch -O "$DIST_FOLDER/emscripten-15893.patch" || true
patch -p1 --verbose <"$DIST_FOLDER/emscripten-15893.patch"
# until https://github.com/emscripten-core/emscripten/pull/16559 gets merged and released, we need to manually patch it
wget -nc https://raw.githubusercontent.com/chkuendig/scummvm-demo/main/patches/emscripten-16559.patch -O "$DIST_FOLDER/emscripten-16559.patch" || true
patch -p1 --verbose <"$DIST_FOLDER/emscripten-16559.patch"
# until https://github.com/emscripten-core/emscripten/pull/16687 gets merged and released, we need to manually patch it
wget -nc https://raw.githubusercontent.com/chkuendig/scummvm-demo/main/patches/emscripten-16687.patch -O "$DIST_FOLDER/emscripten-16687.patch" || true
patch -p1 --verbose <"$DIST_FOLDER/emscripten-16687.patch"
fi
cd "$DIST_FOLDER/emsdk-${EMSDK_VERSION}"
./emsdk activate ${EMSCRIPTEN_VERSION}
# install some required npm packages
source "$DIST_FOLDER/emsdk-$EMSDK_VERSION/emsdk_env.sh"
EMSDK_NPM=$(dirname $EMSDK_NODE)/npm
export NODE_PATH=$(dirname $EMSDK_NODE)/../lib/node_modules/
"$EMSDK_NPM" -g install "puppeteer@13.5.1"
"$EMSDK_NPM" -g install "request@2.88.2"
"$EMSDK_NPM" -g install "node-static@0.7.11"
fi
fi
source "$DIST_FOLDER/emsdk-$EMSDK_VERSION/emsdk_env.sh"
# export node_path - so we can use all node_modules bundled with emscripten (e.g. requests)
EMSDK_NPM=$(dirname $EMSDK_NODE)/npm
export NODE_PATH=$(dirname $EMSDK_NODE)/../lib/node_modules/
LIBS_FLAGS=""
cd "$ROOT_FOLDER"
#################################
# Clean
#################################
if [[ "clean" =~ $(echo ^\(${TASKS}\)$) ]]; then
emmake make clean || true
emmake make distclean || true
rm -rf ./dists/emscripten/libs/build || true
rm -rf ./dists/emscripten/libs/*/ || true
rm -rf ./build-emscripten/ || true
rm scummvm.debug.wasm || true
find . -name "*.o" || true
find . -name "*.a" || true
find . -name "*.wasm" || true
exit 0
fi
#################################
# Download + Install Libraries
#################################
if [[ "libs" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
if [[ ! -d "$LIBS_FOLDER/build" ]]; then
mkdir -p "$LIBS_FOLDER/build"
fi
# Emscripten has an official port for vorbis, but it doesn't properly link vorbisfile https://github.com/emscripten-core/emscripten/pull/14005
if [[ ! -f "$LIBS_FOLDER/build/lib/libvorbis.a" ]]; then
echo "building libvorbis-1.3.7"
cd "$LIBS_FOLDER"
wget -nc "https://downloads.xiph.org/releases/vorbis/libvorbis-1.3.7.tar.gz"
tar -xf libvorbis-1.3.7.tar.gz
cd "$LIBS_FOLDER/libvorbis-1.3.7"
CFLAGS="-fPIC -s USE_OGG=1" emconfigure ./configure --host=wasm32-unknown-none --build=wasm32-unknown-none --prefix="$LIBS_FOLDER/build/"
emmake make -j 3
emmake make install
fi
LIBS_FLAGS="${LIBS_FLAGS} --with-vorbis-prefix=$LIBS_FOLDER/build/"
if [[ ! -f "$LIBS_FOLDER/build/lib/libtheora.a" ]]; then
echo "build libtheora-1.1.1"
cd "$LIBS_FOLDER"
wget -nc "https://downloads.xiph.org/releases/theora/libtheora-1.1.1.tar.xz"
tar -xf libtheora-1.1.1.tar.xz
cd "$LIBS_FOLDER/libtheora-1.1.1/"
CFLAGS="-fPIC -s USE_OGG=1" emconfigure ./configure --host=wasm32-unknown-none --build=wasm32-unknown-none --prefix="$LIBS_FOLDER/build/" --disable-asm
emmake make -j 3
emmake make install
fi
LIBS_FLAGS="${LIBS_FLAGS} --with-theoradec-prefix=$LIBS_FOLDER/build/"
if [[ ! -f "$LIBS_FOLDER/build/lib/libfaad.a" ]]; then
echo "building faad2-2.8.8"
cd "$LIBS_FOLDER"
wget -nc "https://sourceforge.net/projects/faac/files/faad2-src/faad2-2.8.0/faad2-2.8.8.tar.gz"
tar -xf faad2-2.8.8.tar.gz
cd "$LIBS_FOLDER/faad2-2.8.8/"
CFLAGS="-fPIC" emconfigure ./configure --host=wasm32-unknown-none --build=wasm32-unknown-none --prefix="$LIBS_FOLDER/build/"
emmake make
emmake make install
fi
LIBS_FLAGS="${LIBS_FLAGS} --with-faad-prefix=$LIBS_FOLDER/build/"
if [[ ! -f "$LIBS_FOLDER/build/lib/libmad.a" ]]; then
echo "building libmad-0.15.1b"
cd "$LIBS_FOLDER"
wget -nc "https://downloads.sourceforge.net/mad/libmad-0.15.1b.tar.gz"
# libmad needs patching: https://stackoverflow.com/questions/14015747/gccs-fforce-mem-option
wget -nc "https://raw.githubusercontent.com/chkuendig/scummvm-demo/main/patches/libmad-0.15.1b-fixes-1.patch" -O "$DIST_FOLDER/libmad-0.15.1b-fixes-1.patch" || true
rm -rf "$LIBS_FOLDER/libmad-0.15.1b/"
tar -xf libmad-0.15.1b.tar.gz
cd "$LIBS_FOLDER/libmad-0.15.1b/"
patch -Np1 -i "$DIST_FOLDER/libmad-0.15.1b-fixes-1.patch"
emconfigure ./configure --host=wasm32-unknown-none --build=wasm32-unknown-none --prefix="$LIBS_FOLDER/build/" --with-pic --enable-fpm=no
emmake make
emmake make install
fi
LIBS_FLAGS="${LIBS_FLAGS} --with-mad-prefix=$LIBS_FOLDER/build/"
if [[ ! -f "$LIBS_FOLDER/build/lib/libmpeg2.a" ]]; then
echo "building libmpeg2-0.5.1"
cd "$LIBS_FOLDER"
wget -nc "http://libmpeg2.sourceforge.net/files/libmpeg2-0.5.1.tar.gz"
tar -xf libmpeg2-0.5.1.tar.gz
cd "$LIBS_FOLDER/libmpeg2-0.5.1/"
CFLAGS="-fPIC" emconfigure ./configure --host=wasm32-unknown-none --prefix="$LIBS_FOLDER/build/" --disable-sdl
emmake make
emmake make install
fi
LIBS_FLAGS="${LIBS_FLAGS} --with-mpeg2-prefix=$LIBS_FOLDER/build/"
if [[ ! -f "$LIBS_FOLDER/build/lib/liba52.a" ]]; then
echo "building a52dec-0.7.4"
cd "$LIBS_FOLDER"
wget -nc "https://liba52.sourceforge.io/files/a52dec-0.7.4.tar.gz"
tar -xf a52dec-0.7.4.tar.gz
cd "$LIBS_FOLDER/a52dec-0.7.4/"
CFLAGS="-fPIC" emconfigure ./configure --host=wasm32-unknown-none --build=wasm32-unknown-none --prefix="$LIBS_FOLDER/build/"
emmake make -j 3
emmake make install
fi
LIBS_FLAGS="${LIBS_FLAGS} --with-a52-prefix=$LIBS_FOLDER/build/"
fi
#################################
# Configure
#################################
if [[ "configure" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
cd "${ROOT_FOLDER}"
echo "Running configure"
# TODO: Figure out how configure could guess the host
emconfigure ./configure --host=wasm32-unknown-emscripten --build=wasm32-unknown-emscripten ${CONFIGURE_ARGS} ${LIBS_FLAGS}
# TODO: configure currently doesn't clean up all files it creates
rm scummvm-conf.*
fi
#################################
# Make / Compile
#################################
if [[ "make" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
cd "${ROOT_FOLDER}"
echo "Running make"
emmake make
emmake make dist-generic
fi
# The following steps copy stuff to build-emscripten:
mkdir -p "${ROOT_FOLDER}/build-emscripten/"
#################################
# Create Games & Testbed Data
#################################
if [[ "games" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
cd "${ROOT_FOLDER}"
echo "Creating Games + Testbed Data"
mkdir -p "${ROOT_FOLDER}/build-emscripten/games/"
if [[ "testbed" =~ $(echo ^\(${_bundle_games// /|}\)$) ]]; then
_bundle_games="${_bundle_games//testbed/}"
rm -rf "${ROOT_FOLDER}/build-emscripten/games/testbed"
cd "${ROOT_FOLDER}/dists/engine-data"
./create-testbed-data.sh
mv testbed "${ROOT_FOLDER}/build-emscripten/games/testbed"
fi
if [ -n "$_bundle_games" ]; then
mkdir -p "${DIST_FOLDER}/games/"
cd "${DIST_FOLDER}/games/"
files=$("$EMSDK_NODE" --unhandled-rejections=strict --trace-warnings "$DIST_FOLDER/build-download_games.js" ${_bundle_games})
for dir in "${ROOT_FOLDER}/build-emscripten/games/"*; do # cleanup games folder
if [ $(basename $dir) != "testbed" ]; then
rm -rf "$dir"
fi
done
for f in $files; do # unpack into games folder
echo "Unzipping $f ..."
unzip -q -n "$f" -d "${ROOT_FOLDER}/build-emscripten/games/${f%.zip}"
# some zip files have weird permissions, this fixes that:
find "${ROOT_FOLDER}/build-emscripten/games/${f%.zip}" -type d -exec chmod 0755 {} \;
find "${ROOT_FOLDER}/build-emscripten/games/${f%.zip}" -type f -exec chmod 0644 {} \;
done
fi
cd "${ROOT_FOLDER}/build-emscripten/games/"
"$EMSDK_NODE" "$DIST_FOLDER/build-make_http_index.js" >index.json
fi
#################################
# Bundle everything into a neat package
#################################
if [[ "dist" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
cd "${ROOT_FOLDER}"
mv "${ROOT_FOLDER}"/scummvm.* "${ROOT_FOLDER}"/build-emscripten/ || true
# prepare data
if [[ -d "${ROOT_FOLDER}/dist-generic/scummvm/data" ]]; then
echo "Bundle ScummVM + Data"
rm -rf "${ROOT_FOLDER}/build-emscripten/data"
mv "${ROOT_FOLDER}/dist-generic/scummvm/data" "${ROOT_FOLDER}/build-emscripten/"
cd "${ROOT_FOLDER}/build-emscripten/data"
"$EMSDK_NODE" "$DIST_FOLDER/build-make_http_index.js" >index.json
rm -rf "${ROOT_FOLDER}/dist-generic/"
fi
# bundle plugins
echo "Bundle Plugins"
mkdir -p "${ROOT_FOLDER}/build-emscripten/plugins"
mv "${ROOT_FOLDER}/plugins/"* "${ROOT_FOLDER}/build-emscripten/plugins/" || true
cd "${ROOT_FOLDER}/build-emscripten/plugins"
"$EMSDK_NODE" "$DIST_FOLDER/build-make_http_index.js" >index.json
# add logos and other assets
cd "${ROOT_FOLDER}"
cp "$DIST_FOLDER/assets/"* "${ROOT_FOLDER}/build-emscripten/"
cp "$ROOT_FOLDER/gui/themes/common-svg/logo.svg" "${ROOT_FOLDER}/build-emscripten/"
cp "$ROOT_FOLDER/icons/scummvm.ico" "${ROOT_FOLDER}/build-emscripten/favicon.ico"
fi
#################################
# Add icons
#################################
if [[ "icons" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
if [[ -d "${ROOT_FOLDER}/../scummvm-icons/" ]]; then
echo "Adding files from icons repository "
cp "${ROOT_FOLDER}/gui/themes/gui-icons.dat" "${ROOT_FOLDER}/build-emscripten/data"
cd "${ROOT_FOLDER}/../scummvm-icons/"
${EMSDK_PYTHON:-'python3'} gen-set.py
echo "add icons"
zip -q -u "${ROOT_FOLDER}/build-emscripten/data/gui-icons.dat" icons/*
echo "add xml"
zip -q -u "${ROOT_FOLDER}/build-emscripten/data/gui-icons.dat" *.xml
echo "update index"
cd "${ROOT_FOLDER}/build-emscripten/data"
"$EMSDK_NODE" "$DIST_FOLDER/build-make_http_index.js" >index.json
else
echo "Icons repository not found"
fi
fi
#################################
# Automatically detect games and create scummvm.ini file
#################################
if [[ "add-games" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
cd "${ROOT_FOLDER}"
cp "$DIST_FOLDER/assets/scummvm.ini" "${ROOT_FOLDER}/build-emscripten/"
cd "${ROOT_FOLDER}/build-emscripten/"
"$EMSDK_NODE" "$DIST_FOLDER/build-add_games.js"
fi
#################################
# Run Development Server
#################################
if [[ "run" =~ $(echo ^\(${TASKS}\)$) ]]; then
echo "Run ScummVM"
cd "${ROOT_FOLDER}/build-emscripten/"
# emrun doesn't support range requests. Once it will, we don't need node-static anymore
# emrun --browser=chrome scummvm.html
EMSDK_NPX=$(dirname $EMSDK_NODE)/npx
$EMSDK_NPX -p node-static static .
fi
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