#!/bin/bash set -euo pipefail set -x SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )" # If the user is not root, use sudo SUDOCMD="" [ "$EUID" -eq 0 ] || SUDOCMD="sudo" # If the user is not root, use the home directory of the user who ran the script USER_HOME="$HOME" if [ -n "${SUDO_USER:-}" ] && [ "$SUDO_USER" != "root" ]; then USER_HOME=$(eval echo "~${SUDO_USER}") fi # test sudo is working or we're root (return non-zero if not root!) if ! ${SUDOCMD:-} true; then echo "Error: This script must be run as root or with sudo privileges." >&2 exit 1 fi _die() { echo -e "Error: $1" >&2 exit 1 } # Colors for output RED='\033[0;31m' GREEN='\033[0;32m' YELLOW='\033[1;33m' NC='\033[0m' # No Color # Function to print status messages print_status() { echo -e "${GREEN}[*] $1${NC}" } print_error() { echo -e "${RED}[!] $1${NC}" } print_warning() { echo -e "${YELLOW}[!] $1${NC}" } #---------------------------------------------------------------------------------------------------------- # Headers on Host (Native) #---------------------------------------------------------------------------------------------------------- # Function to check if a package is installed is_package_installed() { if [ "$OS" = "Alpine Linux" ]; then apk info | grep -q "^$1$" else dpkg -l "$1" 2>/dev/null | grep -q "^ii" fi } function install_packages() { local PACKAGES local HAVE_UPDATED=0 # Detect distribution if [ -f /etc/os-release ]; then . /etc/os-release OS=$NAME VER=$VERSION_ID else print_error "Could not detect distribution" exit 1 fi print_status "Detected OS: $OS $VER" # Define packages based on distribution case $OS in "Ubuntu"|"Debian GNU/Linux") # Common packages for both Ubuntu and Debian PACKAGES="build-essential cmake git wget tar curl ninja-build mold nodejs npm perl" INSTALLCMD="apt-get install -y" UPDATECMD="apt-get update" ;; "Alpine Linux") PACKAGES="build-base cmake git wget tar curl ninja mold nodejs npm linux-headers perl" INSTALLCMD="apk add --no-cache" UPDATECMD="apk update" ;; *) print_error "Unsupported distribution: $OS" exit 1 ;; esac # Install missing packages print_status "Checking and installing required packages..." for pkg in $PACKAGES; do if ! is_package_installed "$pkg"; then print_status "Installing $pkg..." # Update package lists if [ "$HAVE_UPDATED" -eq 0 ]; then print_status "Updating package lists..." ${SUDOCMD:-} bash -c "${UPDATECMD}" HAVE_UPDATED=1 fi if ! bash -c "${SUDOCMD:-} ${INSTALLCMD} $pkg"; then print_error "Failed to install $pkg" exit 1 fi else print_status "$pkg is already installed" fi done } function install_headers() { # put libassert headers on the host. if [ ! -f /usr/local/lib/libassert.a ]; then git clone https://github.com/jeremy-rifkin/libassert.git #git checkout v2.1.5 mkdir libassert/build cd "libassert/build" || exit 1 cmake .. -DCMAKE_BUILD_TYPE=Release make -j ${SUDOCMD:-} make install cd ../.. rm -rf libassert fi } #---------------------------------------------------------------------------------------------------------- # OpenSSL for musl cross toolchains #---------------------------------------------------------------------------------------------------------- function install_openssl_musl() { OPENSSL_VERSION=3.5.0 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" BUILD_DIR="${SCRIPT_DIR}/build" MUSL_CROSS_DIR="$HOME/.musl-cross" mkdir -p "$BUILD_DIR" # Helper: compare versions (returns 0 if $1 >= $2) version_ge() { [ "$1" = "$2" ] && return 0 [ "$(printf '%s\n' "$1" "$2" | sort -V | head -n1)" = "$2" ] } # Find all installed musl cross toolchains TOOLCHAINS=() for tc in "$MUSL_CROSS_DIR"/*-linux-musl-cross; do [ -d "$tc" ] || continue arch=$(basename "$tc" | sed 's/-linux-musl-cross//') TOOLCHAINS+=("$arch") done if [ ${#TOOLCHAINS[@]} -eq 0 ]; then echo "No musl cross toolchains found in $MUSL_CROSS_DIR. Exiting." exit 1 fi echo "Found musl cross toolchains: ${TOOLCHAINS[*]}" for ARCH in "${TOOLCHAINS[@]}"; do echo "===============================" echo "Checking OpenSSL for $ARCH..." echo "===============================" if [ "$ARCH" = "x86_64" ]; then MUSL_PREFIX="$MUSL_CROSS_DIR/x86_64-linux-musl-cross" OPENSSL_TARGET=linux-x86_64 elif [ "$ARCH" = "aarch64" ]; then MUSL_PREFIX="$MUSL_CROSS_DIR/aarch64-linux-musl-cross" OPENSSL_TARGET=linux-aarch64 else # Try to guess OpenSSL target for other musl toolchains OPENSSL_TARGET="linux-$ARCH" MUSL_PREFIX="$MUSL_CROSS_DIR/${ARCH}-linux-musl-cross" fi SYSROOT="$MUSL_PREFIX/${ARCH}-linux-musl/sysroot" CC="$MUSL_PREFIX/bin/${ARCH}-linux-musl-gcc" AR="$MUSL_PREFIX/bin/${ARCH}-linux-musl-ar" RANLIB="$MUSL_PREFIX/bin/${ARCH}-linux-musl-ranlib" SKIP_BUILD=0 if [ -f "$SYSROOT/usr/lib/libssl.a" ]; then # Try to extract version from opensslv.h OPENSSLV_H="$SYSROOT/usr/include/openssl/opensslv.h" if [ -f "$OPENSSLV_H" ]; then INSTALLED_VERSION=$(grep '# *define *OPENSSL_VERSION_TEXT' "$OPENSSLV_H" | sed -E 's/.*OpenSSL ([0-9.]+)[^ ]*.*/\1/') if [ -n "$INSTALLED_VERSION" ]; then echo "Found installed OpenSSL version: $INSTALLED_VERSION" if version_ge "$INSTALLED_VERSION" "$OPENSSL_VERSION"; then echo "OpenSSL $INSTALLED_VERSION is up-to-date (>= $OPENSSL_VERSION), skipping build for $ARCH." SKIP_BUILD=1 else echo "OpenSSL $INSTALLED_VERSION is older than $OPENSSL_VERSION, will rebuild." fi else echo "Could not determine installed OpenSSL version, will rebuild." fi else echo "No opensslv.h found, will rebuild." fi fi if [ "$SKIP_BUILD" -eq 1 ]; then echo continue fi cd "$BUILD_DIR" if [ ! -d "openssl-${OPENSSL_VERSION}" ]; then if [ ! -f "openssl-${OPENSSL_VERSION}.tar.gz" ]; then wget "https://www.openssl.org/source/openssl-${OPENSSL_VERSION}.tar.gz" fi tar xf "openssl-${OPENSSL_VERSION}.tar.gz" fi cd "openssl-${OPENSSL_VERSION}" # Clean previous build for this arch make clean || true echo "Configuring for $ARCH with sysroot $SYSROOT..." CC="$CC" AR="$AR" RANLIB="$RANLIB" ./Configure "$OPENSSL_TARGET" no-shared --prefix="$SYSROOT/usr" echo "Building..." make -j"$(nproc)" echo "Installing to $SYSROOT/usr ..." make install_sw cd "$BUILD_DIR" echo "Done for $ARCH." echo # Remove build dir for next arch to avoid cross contamination rm -rf "openssl-${OPENSSL_VERSION}" tar xf "openssl-${OPENSSL_VERSION}.tar.gz" done echo "OpenSSL built and installed for all detected musl toolchains." } # ---------------------------------------------------------------------------------------------------------- # MUSL CROSS COMPILERS # ---------------------------------------------------------------------------------------------------------- function check_path() { local BASHRC="${USER_HOME}/.bashrc" local TOOLCHAIN="$1" local MUSL_PATH="$INSTALL_DIR/$TOOLCHAIN/bin" if ! echo "$PATH" | grep -q "$MUSL_PATH"; then echo "Adding $MUSL_PATH to PATH in $BASHRC" PATH_LINE="export PATH=\"$MUSL_PATH:\$PATH\"" if ! grep -Fxq "$PATH_LINE" "$BASHRC"; then echo "" >> "$BASHRC" echo "# Add musl cross compilers to PATH for dropshell" >> "$BASHRC" echo "$PATH_LINE" >> "$BASHRC" echo "Added musl cross compilers to $BASHRC" echo "You should run 'source ~/.bashrc' to update your PATH" else echo "You should run 'source ~/.bashrc' to update your PATH" fi fi } function install_musl_cross() { local TOOLCHAIN="$1" local MUSL_CC_URL="https://getbin.xyz" if [ ! -d "$INSTALL_DIR/$TOOLCHAIN" ]; then echo "Downloading $TOOLCHAIN musl cross toolchain..." wget -nc -O "$TMPDIR/$TOOLCHAIN.tgz" "$MUSL_CC_URL/$TOOLCHAIN.tgz:latest" tar -C "$INSTALL_DIR" -xvf "$TMPDIR/$TOOLCHAIN.tgz" fi } function installmusl() { echo "Installing musl toolchain" # Set install directory INSTALL_DIR="$USER_HOME/.musl-cross" mkdir -p "$INSTALL_DIR" TMPDIR=$(mktemp -d) trap 'rm -rf "$TMPDIR"' EXIT TOOLCHAIN_LIST=( "aarch64-linux-musl-cross" "x86_64-linux-musl-cross" ) for TOOLCHAIN in "${TOOLCHAIN_LIST[@]}"; do install_musl_cross "$TOOLCHAIN" check_path "$TOOLCHAIN" done # Clean up rm -rf "$TMPDIR" } #---------------------------------------------------------------------------------------------------------- # Main #---------------------------------------------------------------------------------------------------------- function main() { install_packages install_headers installmusl install_openssl_musl } main