mirror of
https://github.com/scummvm/scummvm.git
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375 lines
12 KiB
Bash
Executable File
375 lines
12 KiB
Bash
Executable File
#!/bin/bash
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#
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# .dists/emscripten/build.sh -- Sets up an emscripten build environment and builds ScummVM for webassembly
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#
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# ScummVM is the legal property of its developers, whose names
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# are too numerous to list here. Please refer to the COPYRIGHT
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# file distributed with this source distribution.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# exit when any command fails
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set -e
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ROOT_FOLDER=$(pwd)
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DIST_FOLDER="$ROOT_FOLDER/dists/emscripten"
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LIBS_FOLDER="$DIST_FOLDER/libs"
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TASKS=()
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CONFIGURE_ARGS=()
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_bundle_games=()
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_verbose=false
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EMSDK_VERSION="3.1.51"
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EMSCRIPTEN_VERSION="$EMSDK_VERSION"
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usage="\
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Usage: ./dists/emscripten/build.sh [TASKS] [OPTIONS]
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Output the configuration name of the system \`$me' is run on.
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Tasks:
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(space separated) List of tasks to run. See ./dists/emscripten/README.md for details.
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Options:
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-h, --help print this help, then exit
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--bundle-games= comma-separated list of demos and freeware games to bundle.
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-v, --verbose print all commands run by the script
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--* all other options are passed on to the configure script
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Note: --enable-a52, --enable-faad, --enable-mad, --enable-mpeg2
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and --enable-theoradec also fetches and builds these dependencies
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"
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_liba52=false
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_libfaad=false
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_libmad=false
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_libmpeg2=false
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_libtheoradec=false
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# parse inputs
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for i in "$@"; do
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case $i in
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--enable-a52)
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_liba52=true
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CONFIGURE_ARGS+=" $i"
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;;
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--enable-faad)
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_libfaad=true
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CONFIGURE_ARGS+=" $i"
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;;
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--enable-mad)
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_libmad=true
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CONFIGURE_ARGS+=" $i"
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;;
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--enable-mpeg2)
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_libmpeg2=true
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CONFIGURE_ARGS+=" $i"
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;;
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--enable-theoradec)
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_libtheoradec=true
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CONFIGURE_ARGS+=" $i"
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;;
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--bundle-games=*)
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str="${i#*=}"
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_bundle_games="${str//,/ }"
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shift # past argument=value
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;;
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-h | --help)
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echo "$usage"
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exit
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;;
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-v | --verbose)
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_verbose=true
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;;
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-* | --*)
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CONFIGURE_ARGS+=" $i"
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;;
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*)
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TASKS+="|$i" # save positional arg
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shift # past argument
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;;
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esac
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done
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TASKS="${TASKS:1}"
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if [[ -z "$TASKS" ]]; then
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echo "$usage"
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exit
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fi
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# print commands
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if [[ "$_verbose" = true ]]; then
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set -o xtrace
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fi
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#################################
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# Setup Toolchain
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#################################
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# Activate Emscripten
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if [[ ! -d "$DIST_FOLDER/emsdk-$EMSDK_VERSION" ]]; then
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echo "$DIST_FOLDER/emsdk-$EMSDK_VERSION not found. Installing Emscripten"
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cd "$DIST_FOLDER"
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if [[ "$EMSDK_VERSION" = "tot" ]]; then
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git clone "https://github.com/emscripten-core/emsdk/" emsdk-tot
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else
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wget -nc --content-disposition --no-check-certificate "https://github.com/emscripten-core/emsdk/archive/refs/tags/${EMSDK_VERSION}.tar.gz"
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tar -xf "emsdk-${EMSDK_VERSION}.tar.gz"
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fi
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fi
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cd "$DIST_FOLDER/emsdk-${EMSDK_VERSION}"
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ret=0 # https://stackoverflow.com/questions/18621990/bash-get-exit-status-of-command-when-set-e-is-active
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./emsdk activate ${EMSCRIPTEN_VERSION} || ret=$?
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if [[ $ret != 0 ]]; then
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echo "install missing emscripten version"
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cd "$DIST_FOLDER/emsdk-${EMSDK_VERSION}"
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./emsdk install ${EMSCRIPTEN_VERSION}
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cd "$DIST_FOLDER/emsdk-${EMSDK_VERSION}"
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./emsdk activate ${EMSCRIPTEN_VERSION}
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# install some required npm packages
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source "$DIST_FOLDER/emsdk-$EMSDK_VERSION/emsdk_env.sh"
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EMSDK_NPM=$(dirname $EMSDK_NODE)/npm
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EMSDK_PYTHON="${EMSDK_PYTHON:-python3}"
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export NODE_PATH=$(dirname $EMSDK_NODE)/../lib/node_modules/
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"$EMSDK_NODE" "$EMSDK_NPM" -g install "puppeteer@13.5.1"
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"$EMSDK_NODE" "$EMSDK_NPM" -g install "request@2.88.2"
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"$EMSDK_NODE" "$EMSDK_NPM" -g install "node-static@0.7.11"
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fi
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source "$DIST_FOLDER/emsdk-$EMSDK_VERSION/emsdk_env.sh"
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# export node_path - so we can use all node_modules bundled with emscripten (e.g. requests)
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EMSDK_NPM=$(dirname $EMSDK_NODE)/npm
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EMSDK_PYTHON="${EMSDK_PYTHON:-python3}"
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EMSDK_NPX=$(dirname $EMSDK_NODE)/npx
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export NODE_PATH="$(dirname $EMSDK_NODE)/../lib/node_modules/"
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LIBS_FLAGS=""
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cd "$ROOT_FOLDER"
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#################################
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# Clean
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#################################
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if [[ "clean" =~ $(echo ^\(${TASKS}\)$) ]]; then
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emmake make clean || true
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emmake make distclean || true
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emcc --clear-ports --clear-cache
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rm -rf ./build-emscripten/ || true
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rm scummvm.debug.wasm || true
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rm scummvm.wasm || true
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rm scummvm.js || true
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fi
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#################################
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# Download + Install Libraries (if not part of Emscripten-Ports, these are handled by configure)
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#################################
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if [[ ! -d "$LIBS_FOLDER/build" ]]; then
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mkdir -p "$LIBS_FOLDER/build"
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fi
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if [ "$_liba52" = true ]; then
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if [[ ! -f "$LIBS_FOLDER/build/lib/liba52.a" ]]; then
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echo "building a52dec-0.7.4"
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cd "$LIBS_FOLDER"
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wget -nc "https://liba52.sourceforge.io/files/a52dec-0.7.4.tar.gz"
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tar -xf a52dec-0.7.4.tar.gz
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cd "$LIBS_FOLDER/a52dec-0.7.4/"
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CFLAGS="-fPIC -Oz" emconfigure ./configure --host=wasm32-unknown-none --build=wasm32-unknown-none --prefix="$LIBS_FOLDER/build/"
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emmake make -j 5
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emmake make install
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fi
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LIBS_FLAGS="${LIBS_FLAGS} --with-a52-prefix=$LIBS_FOLDER/build"
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fi
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if [ "$_libfaad" = true ]; then
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if [[ ! -f "$LIBS_FOLDER/build/lib/libfaad.a" ]]; then
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echo "building faad2-2.8.8"
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cd "$LIBS_FOLDER"
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wget -nc "https://sourceforge.net/projects/faac/files/faad2-src/faad2-2.8.0/faad2-2.8.8.tar.gz"
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tar -xf faad2-2.8.8.tar.gz
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cd "$LIBS_FOLDER/faad2-2.8.8/"
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CFLAGS="-fPIC -Oz" emconfigure ./configure --host=wasm32-unknown-none --build=wasm32-unknown-none --prefix="$LIBS_FOLDER/build/"
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emmake make -j 5
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emmake make install
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fi
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LIBS_FLAGS="${LIBS_FLAGS} --with-faad-prefix=$LIBS_FOLDER/build"
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fi
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if [ "$_libmad" = true ]; then
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if [[ ! -f "$LIBS_FOLDER/build/lib/libmad.a" ]]; then
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echo "building libmad-0.15.1b"
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cd "$LIBS_FOLDER"
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wget -nc "https://downloads.sourceforge.net/mad/libmad-0.15.1b.tar.gz"
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tar -xf libmad-0.15.1b.tar.gz
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cd "$LIBS_FOLDER/libmad-0.15.1b/"
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# libmad needs patching as -fforce-mem has been removed in GCC 4.3 and later
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sed -i -e 's/-fforce-mem//g' configure
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CFLAGS="-Oz" emconfigure ./configure --host=wasm32-unknown-none --build=wasm32-unknown-none --prefix="$LIBS_FOLDER/build/" --with-pic --enable-fpm=no
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emmake make -j 5
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emmake make install
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fi
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LIBS_FLAGS="${LIBS_FLAGS} --with-mad-prefix=$LIBS_FOLDER/build"
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fi
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if [ "$_libmpeg2" = true ]; then
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if [[ ! -f "$LIBS_FOLDER/build/lib/libmpeg2.a" ]]; then
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echo "building libmpeg2-0.5.1"
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cd "$LIBS_FOLDER"
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wget -nc "http://libmpeg2.sourceforge.net/files/libmpeg2-0.5.1.tar.gz"
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tar -xf libmpeg2-0.5.1.tar.gz
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cd "$LIBS_FOLDER/libmpeg2-0.5.1/"
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CFLAGS="-fPIC -Oz" emconfigure ./configure --host=wasm32-unknown-none --prefix="$LIBS_FOLDER/build/" --disable-sdl
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emmake make -j 5
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emmake make install
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fi
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LIBS_FLAGS="${LIBS_FLAGS} --with-mpeg2-prefix=$LIBS_FOLDER/build"
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fi
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if [ "$_libtheoradec" = true ]; then
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if [[ ! -f "$LIBS_FOLDER/build/lib/libtheora.a" ]]; then
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echo "build libtheora-1.1.1"
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cd "$LIBS_FOLDER"
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wget -nc "https://downloads.xiph.org/releases/theora/libtheora-1.1.1.tar.xz"
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tar -xf libtheora-1.1.1.tar.xz
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cd "$LIBS_FOLDER/libtheora-1.1.1/"
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CFLAGS="-fPIC -s USE_OGG=1 -Oz" emconfigure ./configure --host=wasm32-unknown-none --build=wasm32-unknown-none --prefix="$LIBS_FOLDER/build/" --disable-asm
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emmake make -j 5
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emmake make install
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fi
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LIBS_FLAGS="${LIBS_FLAGS} --with-theoradec-prefix=$LIBS_FOLDER/build"
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fi
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#################################
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# Configure
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#################################
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if [[ "configure" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
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cd "${ROOT_FOLDER}"
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echo "Running configure"
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# TODO: Figure out how configure could guess the host
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emconfigure ./configure --host=wasm32-unknown-emscripten --build=wasm32-unknown-emscripten ${CONFIGURE_ARGS} ${LIBS_FLAGS}
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# TODO: configure currently doesn't clean up all files it creates
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rm scummvm-conf.*
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fi
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#################################
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# Make / Compile
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#################################
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if [[ "make" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
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cd "${ROOT_FOLDER}"
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echo "Running make"
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emmake make
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fi
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# The following steps copy stuff to build-emscripten:
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mkdir -p "${ROOT_FOLDER}/build-emscripten/"
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#################################
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# Bundle everything into a neat package
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#################################
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if [[ "dist" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
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echo "Bundle ScummVM for static file hosting"
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emmake make dist-emscripten
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fi
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#################################
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# Create Games & Testbed Data
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#################################
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if [[ "games" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
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cd "${ROOT_FOLDER}"
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echo "Creating Games + Testbed Data"
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mkdir -p "${ROOT_FOLDER}/build-emscripten/games/"
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if [[ "testbed" =~ $(echo ^\(${_bundle_games// /|}\)$) ]]; then
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_bundle_games="${_bundle_games//testbed/}"
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rm -rf "${ROOT_FOLDER}/build-emscripten/games/testbed"
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cd "${ROOT_FOLDER}/dists/engine-data"
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./create-testbed-data.sh
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mv testbed "${ROOT_FOLDER}/build-emscripten/games/testbed"
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fi
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if [ -n "$_bundle_games" ]; then
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echo "Fetching gmaes: $_bundle_games"
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mkdir -p "${DIST_FOLDER}/games/"
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cd "${DIST_FOLDER}/games/"
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files=$("$EMSDK_NODE" --unhandled-rejections=strict --trace-warnings "$DIST_FOLDER/build-download_games.js" ${_bundle_games})
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for dir in "${ROOT_FOLDER}/build-emscripten/games/"*/; do # cleanup games folder
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if [ "$(basename ${dir%*/})" != "testbed" ]; then
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rm -rf "$dir"
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fi
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done
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for f in $files; do # unpack into games folder
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echo "Unzipping $f ..."
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unzip -q -n "$f" -d "${ROOT_FOLDER}/build-emscripten/games/${f%.zip}"
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# some zip files have weird permissions, this fixes that:
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find "${ROOT_FOLDER}/build-emscripten/games/${f%.zip}" -type d -exec chmod 0755 {} \;
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find "${ROOT_FOLDER}/build-emscripten/games/${f%.zip}" -type f -exec chmod 0644 {} \;
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done
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fi
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cd "${ROOT_FOLDER}/build-emscripten/games/"
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"$EMSDK_NODE" "$DIST_FOLDER/build-make_http_index.js" >index.json
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fi
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#################################
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# Add icons
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#################################
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if [[ "icons" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
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_icons_dir="${ROOT_FOLDER}/../scummvm-icons/"
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if [[ -d "$_icons_dir" ]]; then
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echo "Adding files from icons repository "
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cd "${ROOT_FOLDER}/../scummvm-icons/"
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cd "$_icons_dir"
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"$EMSDK_PYTHON" gen-set.py
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echo "add icons"
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mkdir -p "${ROOT_FOLDER}/build-emscripten/data/gui-icons"
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cp -r "$_icons_dir/icons" "${ROOT_FOLDER}/build-emscripten/data/gui-icons/"
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echo "add xml"
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cp -r "$_icons_dir/"*.xml "${ROOT_FOLDER}/build-emscripten/data/gui-icons/"
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echo "update index"
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cd "${ROOT_FOLDER}/build-emscripten/data/gui-icons"
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"$EMSDK_NODE" "$DIST_FOLDER/build-make_http_index.js" >index.json
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cd "${ROOT_FOLDER}/build-emscripten/data"
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"$EMSDK_NODE" "$DIST_FOLDER/build-make_http_index.js" >index.json
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else
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echo "Icons repository not found"
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fi
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fi
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#################################
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# Automatically detect games and create scummvm.ini file
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#################################
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if [[ "add-games" =~ $(echo ^\(${TASKS}\)$) || "build" =~ $(echo ^\(${TASKS}\)$) ]]; then
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cd "${ROOT_FOLDER}"
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cp "$DIST_FOLDER/assets/scummvm.ini" "${ROOT_FOLDER}/build-emscripten/"
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cd "${ROOT_FOLDER}/build-emscripten/"
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"$EMSDK_NODE" "$DIST_FOLDER/build-add_games.js"
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fi
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#################################
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# Run Development Server
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#################################
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if [[ "run" =~ $(echo ^\(${TASKS}\)$) ]]; then
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echo "Run ScummVM"
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cd "${ROOT_FOLDER}/build-emscripten/"
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# emrun doesn't support range requests. Once it will, we don't need node-static anymore
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emrun --browser=chrome scummvm.html
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# TODO: https://github.com/cloudhead/node-static/issues/241 means node-static doesn't work either.
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# $EMSDK_NPX -p node-static static .
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fi
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