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d4528a0541
* Add macOS instructions for installing mips-linux-gnu-gcc * Add --with-system-zlib to fix binutils build on macOS 15.3.1
125 lines
3 KiB
Markdown
125 lines
3 KiB
Markdown
# Building on macOS
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**N.B.** C++17 is required to build the asset processing program that we use (ZAPD), so check your OS version can support this before proceeding.
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## 1. Dependencies
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For macOS, use Homebrew to install the following dependencies:
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* coreutils
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* make
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* python3
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* libpng
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* bash
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* clang-format
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* libxml2
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* libiconv
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You can install them with the following commands:
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```bash
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brew update
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brew install coreutils make python3 libpng bash clang-format libxml2 libiconv
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```
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(The repository expects Homebrew-installed programs to be either linked correctly in `$PATH` etc. or in their default locations.)
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## 2. Building mips-linux-binutils
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The following instructions are written for MacOS users but should apply to any Unix-like system, with maybe some modifications at the end regarding the bash_profile.
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Create destination dir for binutils
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```bash
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sudo mkdir -p /opt/cross
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```
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Create and enter local working dir
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```bash
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mkdir ~/binutils-tmp
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cd ~/binutils-tmp
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```
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Get and extract binutils source
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```bash
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curl -O https://ftp.gnu.org/gnu/binutils/binutils-2.35.tar.bz2
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tar xjf binutils-2.35.tar.bz2
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```
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Create and enter a build directory
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```bash
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mkdir build-binutils
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cd build-binutils
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```
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Configure the build
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```bash
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../binutils-2.35/configure --target=mips-linux-gnu --prefix=/opt/cross --with-system-zlib --disable-gprof --disable-gdb --disable-werror
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```
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Make and install binutils
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```bash
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make -j$(nproc)
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sudo make install
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```
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Edit your `~/.bash_profile`/`~/.zprofile` (or whichever shell you use) to add the new binutils binaries to the system PATH
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```bash
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echo 'export PATH="$PATH:/opt/cross/bin"' >> ~/.bash_profile
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```
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Reload `~/.bash_profile` (or just launch a new terminal tab)
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```bash
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source ~/.bash_profile
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```
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If this worked, you can now delete the temporary directory `~/binutils-tmp`.
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## 3. Final note
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Apple's version of `make` is very out-of-date, so you should use the brew-installed `gmake` in place of `make` in this repo from now on.
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You should now be able to continue from [step 2](../README.md#2-clone-the-repository) of the Linux instructions.
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## 4. Building GCC (optional)
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If you'd like to compile with GCC instead of IDO (e.g. for modding), you can build it from source similarly to how we built binutils:
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Install dependences
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```bash
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brew install gcc@14 gmp isl libmpc mpfr
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```
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Create and enter local working dir
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```bash
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mkdir ~/gcc-tmp
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cd ~/gcc-tmp
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```
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Get and extract gcc source
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```bash
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curl -O https://ftp.gnu.org/gnu/gcc/gcc-14.2.0/gcc-14.2.0.tar.xz
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tar xvf gcc-14.2.0.tar.xz
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```
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Create and enter a build directory
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```bash
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mkdir build-gcc
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cd build-gcc
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```
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Configure the build
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```bash
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CC=gcc-14 CXX=g++-14 ../gcc-14.2.0/configure --target=mips-linux-gnu --prefix=/opt/cross --disable-nls --enable-languages=c --with-gmp=$(brew --prefix)/opt/gmp --with-mpfr=$(brew --prefix)/opt/mpfr --with-mpc=$(brew --prefix)/opt/libmpc --with-isl=$(brew --prefix)/opt/isl
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```
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Make and install gcc
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```bash
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CC=gcc-14 CXX=g++-14 make all-gcc -j$(nproc)
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sudo make install-gcc
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```
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If this worked, you can now delete the temporary directory `~/gcc-tmp`.
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