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### 1. Copy baserom(s) into root folder
Put a clean copy of Pokemon Diamond (US) nds rom at `./baserom.nds`.
### 2. Install MWCC compiler
The build system requires the use of the Metrowerk C Compiler 2.0/base to compile matching files. We cannot distribute the correct compiler here so join the PRET discord and download the pinned mwccarm.zip zip in #pokediamond and extract it to tools/. Run each of the executables so they ask for a license.dat and provide the one in the rar (it may also ask for it when compiling). This only needs to be done once.
In the future, a GCC option will be available so MWCC is not required to build, however it is required for a matching ROM.
### 3. Dependencies
#### Linux
Building the ROM requires the following packages:
* make
* git
* build-essentials
* binutils-arm-none-eabi
* wine (to run the mwcc executables)
* libpng-devel
NOTE: If you are using Arch/Manjaro or Void you will only need base-devel instead of build-essentials or make or git. You will still need wine.
Also, if you are using WSL on Windows, please pass NOWINE=1 when compiling, and wine is not necessary for a WSL environment.
#### Windows
Before following the respective guides, please install devkitARM and ensure the DEVKITPRO and DEVKITARM variables are added to bashrc such that:
Msys2:
export DEVKITPRO=C:/devkitPro
export DEVKITARM=${DEVKITPRO}/devkitARM
Cygwin:
export DEVKITPRO=/cygdrive/c/devkitPro
export DEVKITARM=${DEVKITPRO}/devkitARM
You will still require the following packages:
* make
* git
* build-essentials
* libpng-devel
Install them using either the Cygwin package manager or using pacman on Msys2.
### 4. Build ROM
Run `make` to build the ROM.
Windows Users:
If you get an error in saving configuration settings when specifying the license file, you need to add a system environment variable called LM_LICENSE_FILE and point it to the license.dat file.
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