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Finish the work started in 4c4fb839972f66f55aa44fc0aca5f80b0608c731.
Now the compiler compiles again.
Wire up dependency tree fetching code in the CLI for `zig build`.
Everything is hooked up except for `createDependenciesModule` is not yet
implemented.
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* start renaming "package" to "module" (see #14307)
- build system gains `main_mod_path` and `main_pkg_path` is still
there but it is deprecated.
* eliminate the object-oriented memory management style of what was
previously `*Package`. Now it is `*Package.Module` and all pointers
point to externally managed memory.
* fixes to get the new Fetch.zig code working. The previous commit was
work-in-progress. There are still two commented out code paths, the
one that leads to `Compilation.create` and the one for `zig build`
that fetches the entire dependency tree and creates the required
modules for the build runner.
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Start keeping track of dependencies on anon decls for dependency
ordering during flush()
Currently this causes use of undefined symbols because these
dependencies need to get rendered into the output.
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Aro/Clang detection logic treated `-fno-clang` the same as `-fclang`.
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Aro translate-c
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Another simplification. DeclGen already has `decl_index` which can be
used to retrieve the `*Decl` if needed.
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This commit introduces `--debug-incremental` so that we can start
playing around with incremental compilation while it is still being
developed, and before it is enabled by default.
Currently it saves InternPool data, and has TODO comments for the
remaining things. Deserialization is not implemented yet, which will
require some post-processing such as to build a string map out of
null-terminated string table bytes.
The saved compiler state is stored in a file called <root-name>.zcs
alongside <root-name>.o, <root-name>.pdb, <root-name>.exe, etc. In case
of using the zig build system, these files are all in a zig-cache
directory.
For the self-hosted compiler, here is one data point on the performance
penalty of saving this data:
```
Benchmark 1 (3 runs): zig build-exe ...
measurement mean ± σ min … max outliers delta
wall_time 51.1s ± 354ms 50.7s … 51.4s 0 ( 0%) 0%
peak_rss 3.91GB ± 354KB 3.91GB … 3.91GB 0 ( 0%) 0%
cpu_cycles 212G ± 3.17G 210G … 216G 0 ( 0%) 0%
instructions 274G ± 57.5M 274G … 275G 0 ( 0%) 0%
cache_references 13.1G ± 97.6M 13.0G … 13.2G 0 ( 0%) 0%
cache_misses 1.12G ± 24.6M 1.10G … 1.15G 0 ( 0%) 0%
branch_misses 1.53G ± 1.46M 1.53G … 1.53G 0 ( 0%) 0%
Benchmark 2 (3 runs): zig build-exe ... --debug-incremental
measurement mean ± σ min … max outliers delta
wall_time 51.8s ± 271ms 51.5s … 52.1s 0 ( 0%) + 1.3% ± 1.4%
peak_rss 3.91GB ± 317KB 3.91GB … 3.91GB 0 ( 0%) - 0.0% ± 0.0%
cpu_cycles 213G ± 398M 212G … 213G 0 ( 0%) + 0.3% ± 2.4%
instructions 275G ± 79.1M 275G … 275G 0 ( 0%) + 0.1% ± 0.1%
cache_references 13.1G ± 26.9M 13.0G … 13.1G 0 ( 0%) - 0.1% ± 1.2%
cache_misses 1.12G ± 5.66M 1.11G … 1.12G 0 ( 0%) - 0.6% ± 3.6%
branch_misses 1.53G ± 1.75M 1.53G … 1.54G 0 ( 0%) + 0.2% ± 0.2%
```
At the end of each compilation with `--debug-incremental`, we end up
with a 43 MiB `zig.zcs` file that contains all of the InternPool data
serialized.
Of course, it will necessarily be more expensive to save the state than
to not save the state. However, this data point shows just how cheap the
save state operation is, with all of the groundwork laid for using a
serialization-friendly in-memory data layout.
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macos SDK updates and enhancements
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- make vendored settings failure unreachable
- rename field `darwinSdkLayout` → `darwin_sdk_layout`
- make `darwin_sdk_layout` optional
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general:
- rename `DarwinSdkLayout` → `DarwinSdkLayout`
- drop `DarwinSdkLayout.installation` (not needed for darwin)
- document struct
inferSdkVersion:
- use explicit allocator
- avoid trying to infer SDK ver from vendored path
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SDK version detection:
- read SDKSettings.json before inferral from SDK path
- vendored libc: add SDKSettings.json for SDK version info
resolveLibSystem:
- adjust search order to { search_dirs, { sysroot or vendored }}
- previous search order was { sysroot, search_dirs, vendored }
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- update include dirs to use combined dir
- use one libSystem.tbd (drop use of libSystem.VERSION.tbd)
- update canBuildLibC to check for minimum os version only
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This prevents resinator from being included in zig1 and zig2.
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Follow up to https://github.com/ziglang/zig/pull/17069.
This TODO being left in was a complete oversight.
Before, any 'retryable' error would hit:
error: thread 2920 panic: access of union field 'success' while field 'failure_retryable' is active
Now, it will be reported/handled properly:
C:\Users\Ryan\Programming\Zig\zig\test\standalone\windows_resources\res\zig.rc:1:1: error: FileNotFound
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Add a `.rc` -> `.res` compiler to the Zig compiler
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It is very common, and well-defined, for a pointer on one side of a C ABI
to have a different but compatible element type. Examples include:
- `char*` vs `uint8_t*` on a system with 8-bit bytes
- `const char*` vs `char*`
- `char*` vs `unsigned char*`
Without this flag, Clang would invoke UBSAN when such an extern
function was called.
Might be nice to file an upstream issue and find out if there is a more
precise way to disable the problematic check.
`-fsanitize-cfi-icall-generalize-pointers` looks promising according to
the documentation, but empirically it does not work.
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release/17.x branch, commit 8f4dd44097c9ae25dd203d5ac87f3b48f854bba8
This adds the flag `-D_LIBCPP_PSTL_CPU_BACKEND_SERIAL`. A future
enhancement could possibly pass something different if there is a
compelling parallel implementation. That libdispatch one might be worth
looking into.
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Also update the standalone test so that this failure would have been detected on any host system.
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The include directories used when preprocessing .rc files are now separate from the target, and by default will use the system MSVC include paths if the MSVC + Windows SDK are present, otherwise it will fall back to the MinGW includes distributed with Zig. This default behavior can be overridden by the `-rcincludes` option (possible values: any (the default), msvc, gnu, or none).
This behavior is useful because Windows resource files may `#include` files that only exist with in the MSVC include dirs (e.g. in `<MSVC install directory>/atlmfc/include` which can contain other .rc files, images, icons, cursors, etc). So, by defaulting to the `any` behavior (MSVC if present, MinGW fallback), users will by default get behavior that is most-likely-to-work.
It also should be okay that the include directories used when compiling .rc files differ from the include directories used when compiling the main binary, since the .res format is not dependent on anything ABI-related. The only relevant differences would be things like `#define` constants being different values in the MinGW headers vs the MSVC headers, but any such differences would likely be a MinGW bug.
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https://learn.microsoft.com/en-us/cpp/mfc/mfc-and-atl
Note that this include directory gets added to %INCLUDE% by vcvarsall.bat, and is especially crucial when working with resource files (many .rc files within the https://github.com/microsoft/Windows-classic-samples/ set reference files from the ATLMFC include directory).
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Prints the detected libc include paths for the target and exits
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macho: big-ish refactor and report errors to the user using Zig's API
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We can infer the framework name from the included resolved framework
path.
Fix hash implementation, and bump linker hash value from 9 to 10.
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llvm: enable the backend even when not linked to llvm
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std.builtin.Mode is deprecated.
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Regressed in 2006add8496c47804ee3b6c562f420871cb4ea0a.
References to native_darwin_sdk are no longer kept in the frontend.
Instead the darwin SDK is detected as part of NativePaths and as part of
LibCInstallation.
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This can be null in two cases right now:
1. Windows DLLs that zig ships such as advapi32.
2. extern "foo" fn declarations where we find out about libraries too late
TODO: make this non-optional and resolve those two cases somehow.
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