From 5c50493238ac57a54fc3a0fe19a1ef79f8bb367e Mon Sep 17 00:00:00 2001
From: Your Name <j@842.be>
Date: Wed, 28 May 2025 22:47:36 +1200
Subject: [PATCH] :-'Generic Commit'
---
.../install_dropshell_build_host.sh | 304 ++++++++++++++++++
1 file changed, 304 insertions(+)
create mode 100755 dropshell-build/install_dropshell_build_host.sh
diff --git a/dropshell-build/install_dropshell_build_host.sh b/dropshell-build/install_dropshell_build_host.sh
new file mode 100755
index 0000000..a97c92a
--- /dev/null
+++ b/dropshell-build/install_dropshell_build_host.sh
@@ -0,0 +1,304 @@
+#!/bin/bash
+
+set -euo pipefail
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
+
+
+_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
+function is_package_installed() {
+ dpkg -l "$1" 2>/dev/null | grep -q "^ii"
+}
+
+function install_packages() {
+ local PACKAGES
+ local HAVE_UPDATED=0
+
+ # Detect distribution
+ if [ -f /etc/os-release ]; then
+ . /etc/os-release
+ OS=$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="nlohmann-json3-dev wget curl cmake ninja-build mold"
+ ;;
+ *)
+ 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..."
+ apt-get update
+ HAVE_UPDATED=1
+ fi
+
+ if ! sudo apt-get install -y "$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
+ sudo 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="$1"
+ local MUSL_CC_URL="https://musl.cc"
+ if [ ! -d "$INSTALL_DIR/$TOOLCHAIN" ]; then
+ echo "Downloading $TOOLCHAIN musl cross toolchain..."
+ wget -nc -O "$TMPDIR/$TOOLCHAIN.tgz" "$MUSL_CC_URL/$TOOLCHAIN.tgz"
+ tar -C "$INSTALL_DIR" -xvf "$TMPDIR/$TOOLCHAIN.tgz"
+ fi
+}
+
+function installmusl() {
+ echo "Installing musl toolchain"
+
+ # Set install directory
+ if [ -n "${SUDO_USER:-}" ] && [ "$SUDO_USER" != "root" ]; then
+ USER_HOME=$(eval echo "~${SUDO_USER}")
+ else
+ USER_HOME="$HOME"
+ fi
+ INSTALL_DIR="$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
\ No newline at end of file