This commit adds support for compiling Dolphin for ARM on MacOS so that it can
run natively on the M1 processors without running through Rosseta2 emulation
providing a 30-50% performance speedup and less hitches from Rosseta2.
It consists of several key changes:
- Adding support for W^X allocation(MAP_JIT) for the ARM JIT
- Adding the machine context and config info to identify the M1 processor
- Additions to the build system and docs to support building universal binaries
- Adding code signing entitlements to access the MAP_JIT functionality
- Updating the MoltenVK libvulkan.dylib to a newer version with M1 support
LTO is supposed to be enabled by default for VS Release builds
according to the VS prop files but a build log from JMC reveals
that /GL and /LTCG are not actually passed to cl.exe/link.exe
for some reason...
LTO also leads to *extremely* and unacceptably slow build times
when using link.exe, so let's disable it by default to actually
match the project files.
This adds a CMake option (DOLPHIN_DEFAULT_UPDATE_TRACK) to allow
configuring SCM_UPDATE_TRACK_STR. This is needed to enable auto-updates
in Windows CMake builds by default.
Xcode is configured by default to turn on the strict aliasing optimization
through a separate project setting. This would cause the compiler to be called
with both -fno-strict-aliasing and -fstrict-aliasing. This change turns off
that project setting causing only the -fno-strict-aliasing flag to be provided
to the compiler.
Modify the CMakeLists.txt so that it doesn't try to use a shared zstd library
that doesn't have header files. This was a support issue on Macs because
homebrew was installing headerless zstd libraries with Qt.
Add a check to define FMT_EXCEPTIONS = 0 when compiling on MacOS.
Replaces -fno-objc-exceptions, which also disabled fmt exceptions but
generated warnings when compiling c++ files.
While the gdbstub is somewhat broken at the moment, building it by
default should keep us from breaking the build (which has happened
several times in the past: #2614, #5904, #8262).
It isn't very intrusive and it does nothing unless it is enabled
in the config file.
CMake's CMAKE_SYSTEM_PROCESSOR call returns "arm64" on Apple Silicon. This patch makes sure that arm64 and aarch64 are treated as the same architecture.
Having extra warnings enabled for everything including external
libraries produces an overwhelming amount of warnings in code that
isn't even part of our codebase.
Move the various warning flags to Source/CMakeLists.txt to get rid
of those useless warnings.
Note that the Source CMakeLists.txt is already where the MSVC warnings
are defined, so this commit improves consistency as well.
While manually capturing constexpr variables used in lambda
expressions does work, it's really easy to forget doing so since
we don't have a Windows CMake builder and the workaround isn't
necessary anywhere else. Fortunately, MSVC has a flag that fixes
the constexpr capture behavior, so let's use that instead.
Disable by default, to be used by distributions who care to try and
prefer system-wide libraries when available. It makes sense for us to
keep using vendored libs by default when possible to make it easier for
users to compile, but we should provide appropriate tools for distro to
figure out which dependencies they can share with the rest of the
system.
We must not provide the /Externals directory as global include directory.
Here, this yield a crash because of external minizip header and system library mismatch.
Soundtouch itself recormends to include it with <SoundTouch.h> and -I/usr/include/soundtouch, so this should fit better.
Minizip 1.x is the old broken version, while 2.x is the newer fork we
use. Many distros ship the old version which is causing stack smashing
in RedumpVerifier, so we'll only use the shared lib if it's the newer
version.
Skyler Saleh