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#!/bin/bash
set -eu
SRCDIR="$(dirname "$0")"
DEFAULT_BUILD_NAME="proton-localbuild" # If no --build-name specified
# Output helpers
COLOR_ERR=""
COLOR_STAT=""
COLOR_INFO=""
COLOR_CMD=""
COLOR_CLEAR=""
if [[ $(tput colors 2>/dev/null || echo 0) -gt 0 ]]; then
COLOR_ERR=$'\e[31;1m'
COLOR_STAT=$'\e[32;1m'
COLOR_INFO=$'\e[30;1m'
COLOR_CMD=$'\e[93;1m'
COLOR_CLEAR=$'\e[0m'
fi
sh_quote() {
local quoted
quoted="$(printf '%q ' "$@")"; [[ $# -eq 0 ]] || echo "${quoted:0:-1}";
}
err() { echo >&2 "${COLOR_ERR}!!${COLOR_CLEAR} $*"; }
stat() { echo >&2 "${COLOR_STAT}::${COLOR_CLEAR} $*"; }
info() { echo >&2 "${COLOR_INFO}::${COLOR_CLEAR} $*"; }
showcmd() { echo >&2 "+ ${COLOR_CMD}$(sh_quote "$@")${COLOR_CLEAR}"; }
die() { err "$@"; exit 1; }
finish() { stat "$@"; exit 0; }
cmd() { showcmd "$@"; "$@"; }
#
# Configure
#
THIS_COMMAND="$0 $*" # For printing, not evaling
MAKEFILE="./Makefile"
function check_steamrt_image() {
local type="$1"
local name="$2"
# nil nil -> no container
[[ -n $type || -n $name ]] || return 0;
# Otherwise both needed
[[ -n $type && -n $name ]] || die "Steam Runtime SDK option must be of form type:image"
# Type known?
[[ $type = docker ]] || die "Only supported Steam Runtime type is currently docker"
# Name must be alphanumericish for dumping into makefile and sanity.
[[ $name =~ ^[a-zA-Z0-9_.-]+$ ]] || die "Runtime image name should be alphanumeric ($name)"
}
# This is not rigorous. Do not use this for untrusted input. Do not. If you need a version of
# this for untrusted input, rethink the path that got you here.
function escape_for_make() {
local escape="$1"
escape="${escape//\\/\\\\}" # '\' -> '\\'
escape="${escape//#/\\#}" # '#' -> '\#'
escape="${escape//\$/\$\$}" # '$' -> '$$'
escape="${escape// /\\ }" # ' ' -> '\ '
echo "$escape"
}
function configure() {
local steamrt64_type="${1%:*}"
local steamrt64_name="${1#*:}"
local steamrt32_type="${2%:*}"
local steamrt32_name="${2#*:}"
check_steamrt_image "$steamrt64_type" "$steamrt64_name"
check_steamrt_image "$steamrt32_type" "$steamrt32_name"
local srcdir
srcdir="$(dirname "$0")"
# Build name
local build_name="$arg_build_name"
if [[ -n $build_name ]]; then
info "Configuring with build name: $build_name"
else
build_name="$DEFAULT_BUILD_NAME"
info "No build name specified, using default: $build_name"
fi
## Write out config
# Don't die after this point or we'll have rather unhelpfully deleted the Makefile
[[ ! -e "$MAKEFILE" ]] || rm "$MAKEFILE"
{
# Config
echo "# Generated by: $THIS_COMMAND"
echo ""
echo "SRCDIR := $(escape_for_make "$srcdir")"
echo "BUILD_NAME := $(escape_for_make "$build_name")"
# ffmpeg?
if [[ -n $arg_ffmpeg ]]; then
echo "WITH_FFMPEG := 1"
fi
# SteamRT
echo "STEAMRT64_MODE := $(escape_for_make "$steamrt64_type")"
echo "STEAMRT64_IMAGE := $(escape_for_make "$steamrt64_name")"
echo "STEAMRT32_MODE := $(escape_for_make "$steamrt32_type")"
echo "STEAMRT32_IMAGE := $(escape_for_make "$steamrt32_name")"
# Include base
echo ""
echo "include \$(SRCDIR)/build/makefile_base.mak"
} >> "$MAKEFILE"
stat "Created $MAKEFILE, now run make to build."
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stat " See README.md for make targets and instructions"
}
#
# Parse arguments
#
arg_steamrt32=""
arg_steamrt64=""
arg_no_steamrt=""
arg_ffmpeg=""
arg_build_name=""
arg_help=""
invalid_args=""
function parse_args() {
local arg;
local val;
local val_used;
local val_passed;
while [[ $# -gt 0 ]]; do
arg="$1"
val=''
val_used=''
val_passed=''
if [[ -z $arg ]]; then # Sanity
err "Unexpected empty argument"
return 1
elif [[ ${arg:0:2} != '--' ]]; then
err "Unexpected positional argument ($1)"
return 1
fi
# Looks like an argument does it have a --foo=bar value?
if [[ ${arg%=*} != "$arg" ]]; then
val="${arg#*=}"
arg="${arg%=*}"
val_passed=1
else
# Otherwise for args that want a value, assume "--arg val" form
val="${2:-}"
fi
# The args
if [[ $arg = --help || $arg = --usage ]]; then
arg_help=1
elif [[ $arg = --build-name ]]; then
arg_build_name="$val"
val_used=1
elif [[ $arg = --with-ffmpeg ]]; then
arg_ffmpeg=1
elif [[ $arg = --steam-runtime32 ]]; then
val_used=1
arg_steamrt32="$val"
elif [[ $arg = --steam-runtime64 ]]; then
val_used=1
arg_steamrt64="$val"
elif [[ $arg = --no-steam-runtime ]]; then
arg_no_steamrt=1
else
err "Unrecognized option $arg"
return 1
fi
# Check if this arg used the value and shouldn't have or vice-versa
if [[ -n $val_used && -z $val_passed ]]; then
# "--arg val" form, used $2 as the value.
# Don't allow this if it looked like "--arg --val"
if [[ ${val#--} != "$val" ]]; then
err "Ambiguous format for argument with value \"$arg $val\""
err " (use $arg=$val or $arg='' $val)"
return 1
fi
# Error if this was the last positional argument but expected $val
if [[ $# -le 1 ]]; then
err "$arg takes a parameter, but none given"
return 1
fi
shift # consume val
elif [[ -z $val_used && -n $val_passed ]]; then
# Didn't use a value, but passed in --arg=val form
err "$arg does not take a parameter"
return 1
fi
shift # consume arg
done
}
usage() {
"$1" "Usage: $0 { --no-steam-runtime | --steam-runtime32=<image> --steam-runtime64=<image> }"
"$1" " Generate a Makefile for building Proton. May be run from another directory to create"
"$1" " out-of-tree build directories (e.g. mkdir mybuild && cd mybuild && ../configure.sh)"
"$1" ""
"$1" " Options"
"$1" " --help / --usage Show this help text and exit"
"$1" ""
"$1" " --build-name=<name> Set the name of the build that displays when used in Steam"
"$1" ""
"$1" " --with-ffmpeg Build ffmpeg for WMA audio support"
"$1" ""
"$1" " Steam Runtime"
"$1" " Proton builds that are to be installed & run under the steam client must be built with"
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"$1" " the Steam Runtime SDK to ensure compatibility. See README.md for more information."
"$1" ""
"$1" " --steam-runtime64=docker:<image> Automatically invoke the Steam Runtime SDK in <image>"
"$1" " for build steps that must be run in an SDK"
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"$1" " environment. See README.md for instructions to"
"$1" " create this image."
"$1" ""
"$1" " --steam-runtime32=docker:<image> The 32-bit docker image to use for steps that require"
"$1" " a 32-bit environment. See --steam-runtime64."
"$1" ""
"$1" " --no-steam-runtime Do not automatically invoke any runtime SDK as part of the build."
"$1" " Build steps may still be manually run in a runtime environment."
exit 1;
}
[[ $# -gt 0 ]] || usage info
parse_args "$@" || usage err
[[ -z $arg_help ]] || usage info
# Sanity check arguments
if [[ -n $arg_no_steamrt && (-n $arg_steamrt32 || -n $arg_steamrt64) ]]; then
die "Cannot specify a Steam Runtime SDK as well as --no-steam-runtime"
elif [[ -z $arg_no_steamrt && ( -z $arg_steamrt32 || -z $arg_steamrt64 ) ]]; then
die "Must specify either --no-steam-runtime or both --steam-runtime32 and --steam-runtime64"
fi
configure "$arg_steamrt64" "$arg_steamrt32"