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Updated instructions for Windows building

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yo 2020-10-05 14:34:00 -07:00
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README.md
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@ -40,14 +40,14 @@ SameBoy is an open-source project licensed under the MIT license, and you're wel
SameBoy requires the following tools and libraries to build:
* clang
* make
* Cocoa port: OS X SDK and Xcode command line tools
* Cocoa port: OS X SDK and Xcode command line tools [OSX Only]
* SDL port: libsdl2
* [rgbds](https://github.com/bentley/rgbds/releases/), for boot ROM compilation
On Windows, SameBoy also requires:
* Visual Studio (For headers, etc.)
* [GnuWin](http://gnuwin32.sourceforge.net/)
* Running vcvars32 before running make. Make sure all required tools and libraries are in %PATH% and %lib%, respectively.
* Running vcvars32 before running make. Make sure all required tools and libraries are in %PATH% and %lib%, respectively. (see [Build FAQ] (https://github.com/LIJI32/SameBoy/blob/master/build-faq.md))
To compile, simply run `make`. The targets are `cocoa` (Default for macOS), `sdl` (Default for everything else), `libretro`, `bootroms` and `tester`. You may also specify `CONF=debug` (default), `CONF=release`, `CONF=native_release` or `CONF=fat_release` to control optimization, symbols and multi-architectures. `native_release` is faster than `release`, but is optimized to the host's CPU and therefore is not portable. `fat_release` is exclusive to macOS and builds x86-64 and ARM64 fat binaries; this requires using a recent enough `clang` and macOS SDK using `xcode-select`, or setting them explicitly with `CC=` and `SYSROOT=`, respectively. All other configurations will build to your host architecture. You may set `BOOTROMS_DIR=...` to a directory containing precompiled boot ROM files, otherwise the build system will compile and use SameBoy's own boot ROMs.

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build-faq.md
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@ -5,3 +5,57 @@ When building on macOS, the build system will make a native Cocoa app by default
# Attempting to build the SDL frontend on macOS fails on linking
SameBoy on macOS expects you to have SDL2 installed via Brew, and not as a framework. Older versions expected it to be installed as a framework, but this is no longer the case.
# Windows build process
For the various tools and libraries, follow the below guide to ensure easy, proper configuration for the build environment:
#### clang
This may be installed via a Visual Studio installer packages instead of built from source.
#### SDL Port
[libsdl2](https://libsdl.org/download-2.0.php) has two separate files that must be downloaded
1. The `-x86` Runtime Binary (e.g., `SDL2-2.0.12-win32-x86.zip` (as of writing))
2. The Visual C++ Development Library (e.g., `SDL2-devel-2.0.12-VC.zip` (as of writing))
For the Runtime Binary, place the extracted `SDL2.dll` into a known folder for later.
- `C:\SDL2\bin\SDL2.dll` will be used as an example
For the Visual C++ Development Library, place the extracted files within a known folder for later.
The following examples will be referenced later:
- `C:\SDL2\lib\x86\*`
- `C:\SDL2\include\*`
#### Gnuwin
Ensure that this is in %PATH%.
If errors arise (i.e., particularly with the `CREATE_PROCESS('usr/bin/mkdir')` calls, also verify that Git for Windows has not been installed with full Linux support. If it has, remove `C:\Program Files\Git\usr\bin` from the SYSTEM %PATH% until after compilation.
### Building
Within a command prompt in the project directory:
```
vcvars32
set path=%path%;C:\SDL2\bin
set lib=%lib%;C:\SDL2\lib\x86
set include=%include%;C:\SDL2\include
make
```
Please note that these directories (`C:\SDL2\*`) are the examples given within the "SDL Port" section above. Ensure that your `path`, `lib`, and `include` paths are updated appropriately with the SDL2 downloads.
#### Error -1073741819
If encountering an error that appears as follows:
> make: *** [build/bin/BootROMs/dmg_boot.bin] Error -1073741819
Simply run `make` again, and the process will continue. This appears to happen occasionally with `build/bin/BootROMs/dmg_boot.bin` and `build/bin/BootROMs/sgb2_boot.bin`. It does not affect the compiled output.