68 lines
2.0 KiB
Bash
Executable File
68 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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set -e
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# Check for root
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root." >&2
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exit 1
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fi
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# Install required packages
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apt update
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apt install -y musl-tools wget tar
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# Set install directory
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if [ -n "$SUDO_USER" ] && [ "$SUDO_USER" != "root" ]; then
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USER_HOME=$(eval echo ~$SUDO_USER)
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else
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USER_HOME="$HOME"
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fi
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INSTALL_DIR="$USER_HOME/.musl-cross"
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mkdir -p "$INSTALL_DIR"
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MUSL_CC_URL="https://musl.cc"
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TMPDIR=$(mktemp -d)
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trap 'rm -rf "$TMPDIR"' EXIT
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# x86_64
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if [ ! -d "$INSTALL_DIR/x86_64-linux-musl-cross" ]; then
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echo "Downloading x86_64 musl cross toolchain..."
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wget -nc -O "$TMPDIR/x86_64-linux-musl-cross.tgz" $MUSL_CC_URL/x86_64-linux-musl-cross.tgz
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tar -C "$INSTALL_DIR" -xvf "$TMPDIR/x86_64-linux-musl-cross.tgz"
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fi
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# aarch64
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if [ ! -d "$INSTALL_DIR/aarch64-linux-musl-cross" ]; then
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echo "Downloading aarch64 musl cross toolchain..."
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wget -nc -O "$TMPDIR/aarch64-linux-musl-cross.tgz" $MUSL_CC_URL/aarch64-linux-musl-cross.tgz
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tar -C "$INSTALL_DIR" -xvf "$TMPDIR/aarch64-linux-musl-cross.tgz"
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fi
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# Print instructions for adding to PATH
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# cat <<EOF
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# To use the musl cross compilers, add the following to your shell:
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# export PATH="$INSTALL_DIR/x86_64-linux-musl-cross/bin:$INSTALL_DIR/aarch64-linux-musl-cross/bin:$PATH"
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# Or run:
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# export PATH="$INSTALL_DIR/x86_64-linux-musl-cross/bin:$INSTALL_DIR/aarch64-linux-musl-cross/bin:\$PATH"
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# EOF
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# Clean up
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rm -rf "$TMPDIR"
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# If run with sudo, add to invoking user's ~/.bashrc
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if [ -n "$SUDO_USER" ] && [ "$SUDO_USER" != "root" ]; then
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BASHRC="$USER_HOME/.bashrc"
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EXPORT_LINE="export PATH=\"$INSTALL_DIR/x86_64-linux-musl-cross/bin:$INSTALL_DIR/aarch64-linux-musl-cross/bin:\$PATH\""
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if ! grep -Fxq "$EXPORT_LINE" "$BASHRC"; then
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echo "" >> "$BASHRC"
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echo "# Add musl cross compilers to PATH for bb64" >> "$BASHRC"
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echo "$EXPORT_LINE" >> "$BASHRC"
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echo "Added musl cross compilers to $BASHRC"
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else
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echo "musl cross compiler PATH already present in $BASHRC"
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fi
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fi
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