mirror of
https://github.com/wiiu-env/wut.git
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79 lines
3.0 KiB
Markdown
79 lines
3.0 KiB
Markdown
[](https://travis-ci.org/decaf-emu/wut)
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# wut
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Let's try make a Wii U Toolchain / SDK for creating rpx/rpl.
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Licensed under the terms of the GNU General Public License, version 2 or later (GPLv2+).
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## Usage
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See [samples](samples) for examples of how to use wut.
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The [share/wut.cmake](share/wut.cmake) file provides several helpers for your build:
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- `wut_create_rpx(target.rpx executable)` - Will create an .rpx file from your CMake target generated by `add_executable`
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- `wut_enable_newlib(target)` - Links against the wut implementation of newlib, this is useful for using any function from the C standard library
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- `wut_enable_stdcpp(target)` - Links against the wut implementation of stdcpp, this is useful for using any function from the C++ standard library. This will call wut_enable_newlib if you have not already done so.
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- `wut_default_malloc(target)` - By default newlib will allocate 90% of the default heap for use with sbrk & malloc, if this is unacceptable to you then you should use this as it replaces the newlib malloc functions which ones which redirect to the CafeOS default heap functions such as MEMAllocFromDefaultHeap.
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- `wut_enable_devoptab_sd(target)` - This links in wutdevoptab_sd which is useful for using the libc file functions with paths such as `fopen("sd:/file.txt", "r")` to read files from the sd card
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A minimal CMakeLists.txt file for a C++ project might look like:
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```
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cmake_minimum_required(VERSION 3.2)
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project(helloworld_cpp CXX)
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include("${WUT_ROOT}/share/wut.cmake" REQUIRED)
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add_executable(helloworld_cpp
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main.cpp)
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wut_enable_stdcpp(helloworld_cpp)
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wut_create_rpx(helloworld_cpp.rpx helloworld_cpp)
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```
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Which you would compile with
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```
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export DEVKITPPC=/opt/devkitpro/devkitPPC
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export WUT_ROOT=<path/to/install>
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mkdir build && cd build
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cmake -DCMAKE_TOOLCHAIN_FILE=$WUT_ROOT/share/wut.toolchain.cmake ../
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make
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```
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## Building
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Requires:
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- A modern compiler with C++14/17 support
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- CMake
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- zlib
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- [devkitPPC r31+](https://devkitpro.org/wiki/Getting_Started)
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### Building on Windows
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Use [WSL](https://docs.microsoft.com/en-us/windows/wsl/install-win10) and then follow the Linux instructions.
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For example, if you installed Ubuntu 18.04 then you might setup your environment like:
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```
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sudo apt install cmake zlib1g-dev gcc g++ build-essentials
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wget https://github.com/devkitPro/pacman/releases/download/devkitpro-pacman-1.0.1/devkitpro-pacman.deb
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sudo dpkg -i devkitpro-pacman.deb
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sudo ln -s /proc/mounts /etc/mtab
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sudo dkp-pacman -S devkitPPC wiiload
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```
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### Building on Linux / MacOS
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```
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export DEVKITPPC=/opt/devkitpro/devkitPPC
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git clone --recursive https://github.com/decaf-emu/wut.git
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cd wut
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mkdir build && cd build
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cmake -DCMAKE_INSTALL_PREFIX=<path/to/install> ../
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make install
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export WUT_ROOT=<path/to/install>
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```
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Then for any wut project you want to build you must use the wut.toolchain.cmake script:
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```
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cd ../samples/helloworld
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mkdir build && cd build
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cmake -DCMAKE_TOOLCHAIN_FILE=$WUT_ROOT/share/wut.toolchain.cmake ../
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make
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```
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