1#!/bin/bash 2# Copyright (c) 2021, Google Inc. All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: 7# 8# * Redistributions of source code must retain the above copyright 9# notice, this list of conditions and the following disclaimer. 10# 11# * Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in 13# the documentation and/or other materials provided with the 14# distribution. 15# 16# * Neither the name of Google nor the names of its contributors may 17# be used to endorse or promote products derived from this software 18# without specific prior written permission. 19# 20# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 32set -ex 33 34readonly WORKSPACE="${WORKSPACE:-"$(mktemp -d -t webp.js.XXX)"}" 35readonly BUILD_DIR="${WORKSPACE}/webp_js/" 36readonly LIBWEBP_ROOT="$(realpath "$(dirname "$0")/..")" 37 38# shellcheck source=infra/common.sh 39source "${LIBWEBP_ROOT}/infra/common.sh" 40 41usage() { 42 cat << EOF 43Usage: $(basename "$0") 44Environment variables: 45WORKSPACE directory where the build is done 46EMSDK_DIR directory where emsdk is installed 47EOF 48} 49 50[[ -d "${EMSDK_DIR:?Not defined}" ]] \ 51 || (log_err "${EMSDK_DIR} is not a valid directory." && exit 1) 52 53# shellcheck source=/opt/emsdk/emsdk_env.sh 54source "${EMSDK_DIR}/emsdk_env.sh" 55 56readonly EMSCRIPTEN=${EMSCRIPTEN:-"${EMSDK}/upstream/emscripten"} 57readonly \ 58 EMSCRIPTEN_CMAKE_FILE="${EMSCRIPTEN}/cmake/Modules/Platform/Emscripten.cmake" 59make_build_dir "${BUILD_DIR}" 60 61pushd "${BUILD_DIR}" 62opts=("-GUnix Makefiles" "-DWEBP_BUILD_WEBP_JS=ON") 63if [[ -z "$(command -v emcmake)" ]]; then 64 opts+=("-DCMAKE_TOOLCHAIN_FILE=${EMSCRIPTEN_CMAKE_FILE}") 65 cmake \ 66 "${opts[@]}" \ 67 "${LIBWEBP_ROOT}" 68 make -j 69else 70 emcmake cmake \ 71 "${opts[@]}" \ 72 "${LIBWEBP_ROOT}" 73 emmake make -j 74fi 75popd 76