Tag: Toolchain

Lima Ubuntu VM setup on Mac

  • Haco
  • May 11, 2025
  • 2 min read

Homebrew Installation /bin/zsh -c "$(curl -fsSL https://gitee.com/cunkai/HomebrewCN/raw/master/Homebrew.sh)" Uninstallation /bin/zsh -c "$(curl -fsSL https://gitee.com/cunkai/HomebrewCN/raw/master/HomebrewUninstall.sh)" Lima  launches Linux virtual machines with automatic file sharing and port forwarding (similar to WSL2). # Install brew install lima # Create VM limactl create --cpus=8 --memory=8 --name=default template://ubuntu limactl list # Start && Enter limactl start default limactl shell default # Stop limactl stop default # Delete limactl delete default # Protect && Unprotect limactl protect default limactl unprotect default # Copy # Host -> VM limactl cp ~/Downloads/test.png default:/tmp # VM -> Host…

Everything I know about GNU toolchain

  • Haco
  • February 27, 2025
  • 12 min read

As mainly an LLVM person, I occasionally contribute to GNU toolchain projects. This is sometimes for fun, sometimes for investigating why an (usually ancient) feature works in a particular way, sometimes for pushing forward a toolchain feature with the mind of both communities, or sometimes just for getting sense of how things work with mailing list+GNU make. For a debug build, I normally place my build directory out/debug directly under the project root. Dependency chain of a port: GCC needs binutils. Linux kernel needs GCC. glibc needs Linux kernel. binutils…

How to compile coreutils / binutils for aarch64 in x64

  • Haco
  • February 23, 2025
  • 2 min read

Dockcross git clone https://github.com/dockcross/dockcross.git cd dockcross docker run --rm dockcross/linux-arm64> ./dockcross-linux-arm64 chmod +x ./dockcross-linux-arm64 mv ./dockcross-linux-arm64 ~/bin/ Coreutils / Binutils //Go to the repository diretory dockcross-linux-arm64 bash //In the docker work diretory ./bootstrap(only for coreutils) mkdir aarch64 cd aarch64 ../configure make make check(run official test) Building GDB Natively Ever since the GDB and the binutils repositories were integrated (due to the git migration), it has become a bit more complex to build GDB. Of course, you can still do a simple ./configure && make, but you might actually want to disable…

Installing & Building RISC-V Toolchain

  • Haco
  • September 27, 2024
  • 2 min read

Prerequisites Several standard packages are needed to build the toolchain $ sudo apt-get install autoconf automake autotools-dev curl python3 python3-pip libmpc-dev libmpfr-dev libgmp-dev gawk build-essential bison flex texinfo gperf libtool patchutils bc zlib1g-dev libexpat-dev ninja-build git cmake libglib2.0-dev libslirp-dev Create a directory and clone $ mkdir ~/riscv && cd ~/riscv $ git clone https://github.com/riscv/riscv-gnu-toolchain Configure and make $ mkdir /opt/riscv $ ./configure --prefix=/opt/riscv $ make linux Your tool will be available on /opt/riscv/bin Add /opt/riscv/bin to PATH Edit the ~/.bashrc file $ sudo vim ~/.bashrc Add below at the end of the file and…