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#!/usr/bin/env bash
# This file is part of The RetroPie Project
#
# The RetroPie Project is the legal property of its developers, whose names are
# too numerous to list here. Please refer to the COPYRIGHT.md file distributed with this source.
#
# See the LICENSE.md file at the top-level directory of this distribution and
# at https://raw.githubusercontent.com/RetroPie/RetroPie-Setup/master/LICENSE.md
#
function setup_env() {
__ERRMSGS=()
__INFMSGS=()
# if no apt-get we need to fail
[[ -z "$(which apt-get)" ]] && fatalError "Unsupported OS - No apt-get command found"
test_chroot
get_platform
get_os_version
get_retropie_depends
conf_memory_vars
conf_binary_vars
conf_build_vars
if [[ -z "$__nodialog" ]]; then
__nodialog=0
fi
}
function test_chroot() {
# test if we are in a chroot
if [[ "$(stat -c %d:%i /)" != "$(stat -c %d:%i /proc/1/root/.)" ]]; then
[[ -z "$QEMU_CPU" && -n "$__qemu_cpu" ]] && export QEMU_CPU=$__qemu_cpu
__chroot=1
# detect the usage of systemd-nspawn
elif [[ -n "$(systemd-detect-virt)" && "$(systemd-detect-virt)" == "systemd-nspawn" ]]; then
__chroot=1
else
__chroot=0
fi
}
function conf_memory_vars() {
__memory_total_kb=$(awk '/^MemTotal:/{print $2}' /proc/meminfo)
__memory_total=$(( __memory_total_kb / 1024 ))
if grep -q "^MemAvailable:" /proc/meminfo; then
__memory_avail_kb=$(awk '/^MemAvailable:/{print $2}' /proc/meminfo)
else
local mem_free=$(awk '/^MemFree:/{print $2}' /proc/meminfo)
local mem_cached=$(awk '/^Cached:/{print $2}' /proc/meminfo)
local mem_buffers=$(awk '/^Buffers:/{print $2}' /proc/meminfo)
__memory_avail_kb=$((mem_free + mem_cached + mem_buffers))
fi
__memory_avail=$(( __memory_avail_kb / 1024 ))
}
function conf_binary_vars() {
[[ -z "$__has_binaries" ]] && __has_binaries=0
# set location of binary downloads
__binary_host="files.retropie.org.uk"
__binary_base_url="https://$__binary_host/binaries"
__binary_path="$__os_codename/$__platform"
isPlatform "kms" && __binary_path+="/kms"
__binary_url="$__binary_base_url/$__binary_path"
__archive_url="https://files.retropie.org.uk/archives"
# set the gpg key used by RetroPie
__gpg_retropie_key="retropieproject@gmail.com"
# if __gpg_signing_key is not set, set to __gpg_retropie_key
[[ ! -v __gpg_signing_key ]] && __gpg_signing_key="$__gpg_retropie_key"
# if the RetroPie public key is not installed, install it.
if ! gpg --list-keys "$__gpg_retropie_key" &>/dev/null; then
gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys DC9D77FF8208FFC51D8F50CCF1B030906A3B0D31
fi
}
function conf_build_vars() {
__gcc_version=$(gcc -dumpversion)
# calculate build concurrency based on cores and available memory
__jobs=1
local unit=512
isPlatform "64bit" && unit=$(($unit + 256))
if [[ "$(nproc)" -gt 1 ]]; then
local nproc="$(nproc)"
# max one thread per unit (MB) of ram
local max_jobs=$(($__memory_avail / $unit))
if [[ "$max_jobs" -gt 0 ]]; then
if [[ "$max_jobs" -lt "$nproc" ]]; then
__jobs="$max_jobs"
else
__jobs="$nproc"
fi
fi
fi
__default_makeflags="-j${__jobs}"
# set our default gcc optimisation level
if [[ -z "$__opt_flags" ]]; then
__opt_flags="$__default_opt_flags"
fi
# set default cpu flags
[[ -z "$__cpu_flags" ]] && __cpu_flags="$__default_cpu_flags"
# if default cxxflags is empty, use our default cflags
[[ -z "$__default_cxxflags" ]] && __default_cxxflags="$__default_cflags"
# add our cpu and optimisation flags
__default_cflags+=" $__cpu_flags $__opt_flags"
__default_cxxflags+=" $__cpu_flags $__opt_flags"
__default_asflags+=" $__cpu_flags"
# if not overridden by user, configure our compiler flags
[[ -z "$__cflags" ]] && __cflags="$__default_cflags"
[[ -z "$__cxxflags" ]] && __cxxflags="$__default_cxxflags"
[[ -z "$__asflags" ]] && __asflags="$__default_asflags"
[[ -z "$__makeflags" ]] && __makeflags="$__default_makeflags"
# workaround for GCC ABI incompatibility with threaded armv7+ C++ apps built
# on Raspbian's armv6 userland https://github.com/raspberrypi/firmware/issues/491
if [[ "$__os_id" == "Raspbian" ]] && compareVersions $__gcc_version lt 5; then
__cxxflags+=" -U__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2"
fi
# export our compiler flags so all child processes can see them
export CFLAGS="$__cflags"
export CXXFLAGS="$__cxxflags"
export ASFLAGS="$__asflags"
export MAKEFLAGS="$__makeflags"
# if using distcc, add /usr/lib/distcc to PATH/MAKEFLAGS
if [[ -n "$DISTCC_HOSTS" ]]; then
PATH="/usr/lib/distcc:$PATH"
MAKEFLAGS+=" PATH=$PATH"
fi
# if __use_ccache is set, then add ccache to PATH/MAKEFLAGS
if [[ "$__use_ccache" -eq 1 ]]; then
PATH="/usr/lib/ccache:$PATH"
MAKEFLAGS+=" PATH=$PATH"
fi
}
function get_os_version() {
# make sure lsb_release is installed
getDepends lsb-release
# get os distributor id, description, release number and codename
local os
# armbian uses a minimal shell script replacement for lsb_release with basic
# parameter parsing that requires the arguments split rather than using -sidrc
mapfile -t os < <(lsb_release -s -i -d -r -c)
__os_id="${os[0]}"
__os_desc="${os[1]}"
__os_release="${os[2]}"
__os_codename="${os[3]}"
local error=""
case "$__os_id" in
Raspbian|Debian|Bunsenlabs)
# get major version (8 instead of 8.0 etc)
__os_debian_ver="${__os_release%%.*}"
# Debian unstable is not officially supported though
if [[ "$__os_release" == "unstable" ]]; then
__os_debian_ver=11
fi
# we still allow Raspbian 8 (jessie) to work (We show an popup in the setup module)
if compareVersions "$__os_debian_ver" lt 8; then
error="You need Raspbian/Debian Stretch or newer"
fi
# 64bit Raspberry Pi OS identifies as Debian, but functions (currently) as Raspbian
# we will check package sources and set to Raspbian
if isPlatform "aarch64" && apt-cache policy | grep -q "archive.raspberrypi.org"; then
__os_id="Raspbian"
fi
# set a platform flag for osmc
if grep -q "ID=osmc" /etc/os-release; then
__platform_flags+=(osmc)
fi
# and for xbian
if grep -q "NAME=XBian" /etc/os-release; then
__platform_flags+=(xbian)
fi
# we provide binaries for RPI on Raspbian 9/10
if isPlatform "rpi" && \
isPlatform "32bit" && \
compareVersions "$__os_debian_ver" gt 9 && compareVersions "$__os_debian_ver" lt 11; then
# only set __has_binaries if not already set
[[ -z "$__has_binaries" ]] && __has_binaries=1
fi
;;
Devuan)
if isPlatform "rpi"; then
error="We do not support Devuan on the Raspberry Pi. We recommend you use Raspbian to run RetroPie."
fi
# devuan lsb-release version numbers don't match jessie
case "$__os_codename" in
jessie)
__os_debian_ver="8"
;;
ascii)
__os_debian_ver="9"
;;
beowolf)
__os_debian_ver="10"
;;
ceres)
__os_debian_ver="11"
;;
esac
;;
LinuxMint|Linuxmint)
if [[ "$__os_desc" != LMDE* ]]; then
if compareVersions "$__os_release" lt 18; then
error="You need Linux Mint 18 or newer"
elif compareVersions "$__os_release" lt 19; then
__os_ubuntu_ver="16.04"
__os_debian_ver="8"
elif compareVersions "$__os_release" lt 20; then
__os_ubuntu_ver="18.04"
__os_debian_ver="10"
else
__os_ubuntu_ver="20.04"
__os_debian_ver="11"
fi
fi
;;
Ubuntu|[Nn]eon|Pop)
if compareVersions "$__os_release" lt 16.04; then
error="You need Ubuntu 16.04 or newer"
# although ubuntu 16.04/16.10 report as being based on stretch it is before some
# packages were changed - we map to version 8 to avoid issues (eg libpng-dev name)
elif compareVersions "$__os_release" le 16.10; then
__os_debian_ver="8"
elif compareVersions "$__os_release" lt 18.04; then
__os_debian_ver="9"
elif compareVersions "$__os_release" lt 20.04; then
__os_debian_ver="10"
else
__os_debian_ver="11"
fi
__os_ubuntu_ver="$__os_release"
;;
Zorin)
if compareVersions "$__os_release" lt 14; then
error="You need Zorin OS 14 or newer"
elif compareVersions "$__os_release" lt 14; then
__os_debian_ver="8"
else
__os_debian_ver="9"
fi
__os_ubuntu_ver="$__os_release"
;;
Deepin)
if compareVersions "$__os_release" lt 15.5; then
error="You need Deepin OS 15.5 or newer"
fi
__os_debian_ver="9"
;;
[eE]lementary)
if compareVersions "$__os_release" lt 0.4; then
error="You need Elementary OS 0.4 or newer"
elif compareVersions "$__os_release" eq 0.4; then
__os_ubuntu_ver="16.04"
__os_debian_ver="8"
else
__os_ubuntu_ver="18.04"
__os_debian_ver="10"
fi
;;
*)
error="Unsupported OS"
;;
esac
[[ -n "$error" ]] && fatalError "$error\n\n$(lsb_release -idrc)"
# configure Raspberry Pi graphics stack
isPlatform "rpi" && get_rpi_video
}
function get_retropie_depends() {
local depends=(git subversion dialog curl gcc g++ build-essential unzip xmlstarlet python3-pyudev ca-certificates dirmngr)
[[ -n "$DISTCC_HOSTS" ]] && depends+=(distcc)
[[ "$__use_ccache" -eq 1 ]] && depends+=(ccache)
if ! getDepends "${depends[@]}"; then
fatalError "Unable to install packages required by $0 - ${md_ret_errors[@]}"
fi
# make sure we don't have xserver-xorg-legacy installed as it breaks launching x11 apps from ES
if ! isPlatform "x11" && hasPackage "xserver-xorg-legacy"; then
aptRemove xserver-xorg-legacy
fi
}
function get_rpi_video() {
local pkgconfig="/opt/vc/lib/pkgconfig"
if [[ -z "$__has_kms" ]]; then
# in chroot, use kms by default for rpi4 target
[[ "$__chroot" -eq 1 ]] && isPlatform "rpi4" && __has_kms=1
# detect driver via inserted module / platform driver setup
[[ -d "/sys/module/vc4" ]] && __has_kms=1
fi
if [[ "$__has_kms" -eq 1 ]]; then
__platform_flags+=(mesa kms)
if [[ -z "$__has_dispmanx" ]]; then
# in a chroot, unless __has_dispmanx is set, default to fkms (adding dispmanx flag)
[[ "$__chroot" -eq 1 ]] && __has_dispmanx=1
# if running fkms driver, add dispmanx flag
[[ "$(ls -A /sys/bus/platform/drivers/vc4_firmware_kms/*.firmwarekms 2>/dev/null)" ]] && __has_dispmanx=1
fi
[[ "$__has_dispmanx" -eq 1 ]] && __platform_flags+=(dispmanx)
else
__platform_flags+=(videocore dispmanx)
fi
# delete legacy pkgconfig that conflicts with Mesa (may be installed via rpi-update)
# see: https://github.com/raspberrypi/userland/pull/585
rm -rf $pkgconfig/{egl.pc,glesv2.pc,vg.pc}
# set pkgconfig path for vendor libraries
export PKG_CONFIG_PATH="$pkgconfig"
}
function get_platform() {
local architecture="$(uname --machine)"
if [[ -z "$__platform" ]]; then
case "$(sed -n '/^Hardware/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo)" in
BCM*)
# calculated based on information from https://github.com/AndrewFromMelbourne/raspberry_pi_revision
local rev="0x$(sed -n '/^Revision/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo)"
# if bit 23 is not set, we are on a rpi1 (bit 23 means the revision is a bitfield)
if [[ $((($rev >> 23) & 1)) -eq 0 ]]; then
__platform="rpi1"
else
# if bit 23 is set, get the cpu from bits 12-15
local cpu=$((($rev >> 12) & 15))
case $cpu in
0)
__platform="rpi1"
;;
1)
__platform="rpi2"
;;
2)
__platform="rpi3"
;;
3)
__platform="rpi4"
;;
esac
fi
;;
*ODROIDC)
__platform="odroid-c1"
;;
*ODROID-C2)
__platform="odroid-c2"
;;
"Freescale i.MX6 Quad/DualLite (Device Tree)")
__platform="imx6"
;;
*ODROID-XU[34])
__platform="odroid-xu"
;;
"Rockchip (Device Tree)")
__platform="tinker"
;;
Vero4K|Vero4KPlus)
__platform="vero4k"
;;
"Allwinner sun8i Family")
__platform="armv7-mali"
;;
*)
# jetsons can be identified by device tree or soc0/family (depending on the L4T version used)
# refer to the nv.sh script in the L4T DTS for a similar implementation
if [[ -e "/proc/device-tree/compatible" ]]; then
case "$(tr -d '\0' < /proc/device-tree/compatible)" in
*tegra186*)
__platform="tegra-x2"
;;
*tegra210*)
__platform="tegra-x1"
;;
*tegra194*)
__platform="xavier"
;;
esac
elif [[ -e "/sys/devices/soc0/family" ]]; then
case "$(tr -d '\0' < /sys/devices/soc0/family)" in
*tegra30*)
__platform="tegra-3"
;;
*tegra114*)
__platform="tegra-4"
;;
*tegra124*)
__platform="tegra-k1-32"
;;
*tegra132*)
__platform="tegra-k1-64"
;;
*tegra210*)
__platform="tegra-x1"
;;
esac
else
__platform="$architecture"
fi
;;
esac
fi
# check if we wish to target kms for platform
if [[ -z "$__has_kms" ]]; then
iniConfig " = " '"' "$configdir/all/retropie.cfg"
iniGet "force_kms"
[[ "$ini_value" == 1 ]] && __has_kms=1
[[ "$ini_value" == 0 ]] && __has_kms=0
fi
set_platform_defaults
# if we have a function for the platform, call it, otherwise use the default "native" one.
if fnExists "platform_${__platform}"; then
platform_${__platform}
else
platform_native
fi
}
function set_platform_defaults() {
__default_opt_flags="-O2"
# add platform name and 32bit/64bit to platform flags
__platform_flags=("$__platform" "$(getconf LONG_BIT)bit")
__platform_arch=$(uname -m)
}
function cpu_arm1176() {
__default_cpu_flags="-mcpu=arm1176jzf-s -mfpu=vfp"
__platform_flags+=(arm armv6)
__qemu_cpu=arm1176
}
function cpu_armv7() {
local cpu="$1"
if [[ -n "$cpu" ]]; then
__default_cpu_flags="-mcpu=$cpu -mfpu=neon-vfpv4"
else
__default_cpu_flags="-march=armv7-a -mfpu=neon-vfpv4"
cpu="cortex-a7"
fi
__platform_flags+=(arm armv7 neon)
__qemu_cpu="$cpu"
}
function cpu_armv8() {
local cpu="$1"
__default_cpu_flags="-mcpu=$cpu"
if isPlatform "32bit"; then
__default_cpu_flags+=" -mfpu=neon-fp-armv8"
__platform_flags+=(arm armv8 neon)
else
__platform_flags+=(aarch64)
fi
__qemu_cpu="$cpu"
}
function cpu_arm_state() {
if isPlatform "32bit"; then
__default_cpu_flags+=" -marm"
fi
}
function platform_conf_glext() {
# required for mali-fbdev headers to define GL functions
__default_cflags="-DGL_GLEXT_PROTOTYPES"
}
function platform_rpi1() {
cpu_arm1176
__platform_flags+=(rpi gles)
}
function platform_rpi2() {
cpu_armv7 "cortex-a7"
__platform_flags+=(rpi gles)
}
function platform_rpi3() {
cpu_armv8 "cortex-a53"
__platform_flags+=(rpi gles)
}
function platform_rpi4() {
cpu_armv8 "cortex-a72"
__platform_flags+=(rpi gles gles3 gles31)
}
function platform_odroid-c1() {
cpu_armv7 "cortex-a5"
cpu_arm_state
__platform_flags+=(mali gles)
}
function platform_odroid-c2() {
cpu_armv8 "cortex-a72"
cpu_arm_state
__platform_flags+=(mali gles)
}
function platform_odroid-xu() {
cpu_armv7 "cortex-a7"
cpu_arm_state
platform_conf_glext
__platform_flags+=(mali gles)
}
function platform_tegra-x1() {
cpu_armv8 "cortex-a57"
__platform_flags+=(x11 gl)
}
function platform_tegra-x2() {
cpu_armv8 "native"
__platform_flags+=(x11 gl)
}
function platform_xavier() {
cpu_armv8 "native"
__platform_flags+=(x11 gl)
}
function platform_tegra-3() {
cpu_armv7 "cortex-a9"
__platform_flags+=(x11 gles)
}
function platform_tegra-4() {
cpu_armv7 "cortex-a15"
__platform_flags+=(x11 gles)
}
function platform_tegra-k1-32() {
cpu_armv7 "cortex-a15"
__platform_flags+=(x11 gl)
}
function platform_tegra-k1-64() {
cpu_armv8 "native"
__platform_flags+=(x11 gl)
}
function platform_tinker() {
cpu_armv7 "cortex-a17"
cpu_arm_state
platform_conf_glext
__platform_flags+=(kms gles)
}
function platform_native() {
__default_cpu_flags="-march=native"
__platform_flags+=(gl)
if [[ "$__has_kms" -eq 1 ]]; then
__platform_flags+=(kms)
else
__platform_flags+=(x11)
fi
# add x86 platform flag for x86/x86_64 archictures.
[[ "$__platform_arch" =~ (i386|i686|x86_64) ]] && __platform_flags+=(x86)
}
function platform_armv7-mali() {
cpu_armv7
__platform_flags+=(mali gles)
}
function platform_imx6() {
cpu_armv7 "cortex-a9"
}
function platform_vero4k() {
cpu_armv7 "cortex-a7"
__default_cflags="-I/opt/vero3/include -L/opt/vero3/lib"
__platform_flags+=(mali gles)
}