Updated 11 Building on MacOS (markdown)

11-Building-on-MacOS.md

@@ -2,31 +2,20 @@
 
 Reminder: Don't forget to checkout submodules!  `git submodule update --init --recursive` in the source directory if you're not sure whether you've done it or not.
 
-Dependencies:
-- libpng
-- libjpeg
-- qt6 (`qt6` on Homebrew, `qt6-qtbase`, `qt6-qtsvg`, and `qt6-qttools` on MacPorts)
-
-The following dependencies will be built from submodules if not found, but installing them can speed up builds:
-- zstd
-- libzip
-- sdl2
-- rapidyaml
-- fmt
-
 # Building on an Intel Mac
 
-Building on an Intel Mac should work similarly to building on Linux.  Run cmake with `cmake /path/to/pcsx2/source -DCMAKE_BUILD_TYPE=Release`, then `make`.  The final `.app` will be in `pcsx2-qt/PCSX2.app` in the build directory.
+Build the dependencies using the CI's build script: `.github/workflows/scripts/macos/build-dependencies.sh deps` (this will build the dependencies into the directory `deps`).  If you want to use a package manager, you can look at the install script to see the required dependencies.
+
+Building on an Intel Mac should work similarly to building on Linux.  Run cmake with `cmake /path/to/pcsx2/source -DCMAKE_PREFIX_PATH=/path/to/deps -DCMAKE_BUILD_TYPE=Release`, then `make`.  The final `.app` will be in `pcsx2-qt/PCSX2.app` in the build directory.  (The `CMAKE_PREFIX_PATH` is only needed if you used the CI's build script to install dependencies.)
 
 # Building on an arm (Apple Silicon) Mac
 
 **PCSX2 does not support building for arm.  You will need to make Intel builds even on Apple Silicon and run them in Rosetta.**
 
-You will need Intel versions of all the dependencies.  **Dependencies from Homebrew will not work.**  If you use MacPorts, install your packages with `+universal`.  Note that we don't link to any libraries from `qt6-qttools`, so you can skip the universal on that one (and it links with libclang, so I'd recommend skipping it unless you really want to sit around while MacPorts builds a universal build of clang and llvm).  If you don't use MacPorts, you'll need to build manually.  You can use the [CI's dependency installation script](https://github.com/PCSX2/pcsx2/blob/master/.github/workflows/scripts/macos/build-dependencies.sh) as reference, just add `-DCMAKE_OSX_ARCHITECTURES=x86_64;arm64` on cmake stuff (e.g. qt) and `CC="clang -arch x86_64 -arch arm64" CXX="clang -arch x86_64 -arch arm64"` for autotools things.
+You will need Intel versions of all the dependencies.  **Dependencies from Homebrew will not work.**  The dependency build script will handle this for you (see Intel instructions).  If you use MacPorts, install your packages with `+universal`.  Note that we don't link to any libraries from `qt6-qttools`, so you can skip the universal on that one (and it links with libclang, so I'd recommend skipping it unless you really want to sit around while MacPorts builds a universal build of clang and llvm).
 
 Add the following extra flags to the cmake invocation listed in the Intel Mac section:
 - `-DCMAKE_OSX_ARCHITECTURES=x86_64`.  This tells cmake to do an Intel build even though you're on an arm Mac.
-- `-DARCH_FLAG=""`.  This overrides our default setting of `-march=native`, which doesn't work when building Intel builds from Apple Silicon.
 
 # Building for development