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This reverts commit dea72d15da4fba909dc3ccb2e9dc5286372ac023, reversing
changes made to ab381933c87bcc744058d25a876cfdc0d23fc674.
The changeset does not work as advertised and does not have sufficient
test coverage.
Reopens #22822
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Inheriting allow-deprecation from parent modules doesn't make too much
sense, so instead make them default to disallow unless otherwise
specified. This allows build system to avoid redundant
`-fno-allow-deprecated` args.
This makes the generated CLIs smaller, and makes zig1.wasm update not
needed.
Also represented `is_root` differently (moved to field of graph).
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This implementation looks at the builder of each
module in the build graph instead of storing a
boolean for each module.
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Closes: #20655
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At the expense of a slight special case in the build runner, we can make
the handling of dependencies between modules a little shorter and much
easier to follow.
When module and step graphs are being constructed during the "configure"
phase, we do not set up step dependencies triggered by modules. Instead,
after the configure phase, the build runner traverses the whole
step/module graph, starting from the root top-level steps, and
configures all step dependencies implied by modules. The "make" phase
then proceeds as normal. Also, the old `Module.dependencyIterator` logic
is replaced by two separate iterables. `Module.getGraph` takes the root
module of a compilation, and returns all modules in its graph; while
`Step.Compile.getCompileDependencies` takes a `*Step.Compile` and
returns all `*Step.Compile` it depends on, recursively, possibly
excluding dynamic libraries. The old `Module.dependencyIterator`
combined these two functions into one unintuitive iterator; they are now
separated, which in particular helps readability at the usage sites
which only need one or the other.
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This commit changes the `root_module` field of `std.Build.Step.Compile`
to be a `*Module` rather than a `Module`. This is a breaking change, but
an incredibly minor one (the full potential extent of the breakage can
be seen in the modified standalone test).
This change will be necessary for an upcoming improvement, so it was
convenient to make it here.
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The goal here is to support both levels of unwind tables (sync and async) in
zig cc and zig build. Previously, the LLVM backend always used async tables
while zig cc was partially influenced by whatever was Clang's default.
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These are really answering questions about the Zig compiler's capacity to
provide a libc/libc++ implementation. As such, std.zig.target seems like a more
fitting place for these.
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Adds a missing call to addLazyPathDependenciesOnly in
std.Build.Module.addCSourceFiles. Also fixes an issue in
std.Build.Step.WriteFile where it wasn't updating all the GeneratedFile
instances for every directory. To fix the second issue, I removed
all the GeneratedFile instances and now all files/directories reference
the steps main GeneratedFile via sub paths.
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* `doc/langref` formatting
* upgrade `.{ .path = "..." }` to `b.path("...")`
* avoid using arguments named `self`
* make `Build.Step.Id` usage more consistent
* add `Build.pathResolve`
* use `pathJoin` and `pathResolve` everywhere
* make sure `Build.LazyPath.getPath2` returns an absolute path
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Adds an `include_paths` field to RcSourceFile that takes a slice of LazyPaths. The paths are resolved and subsequently appended to the -rcflags as `/I <resolved path>`.
This fixes an accidental regression from https://github.com/ziglang/zig/pull/19174. Before that PR, all Win32 resource compilation would inherit the CC flags (via `addCCArgs`), which included things like include directories. After that PR, though, that is no longer the case.
However, this commit intentionally does not restore the previous behavior (inheriting the C include paths). Instead, each .rc file will need to have its include paths specified directly and the include paths only apply to one particular resource script. This allows more fine-grained control and has less potentially surprising behavior (at the cost of some convenience).
Closes #19605
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Commit 0b7123f41d66bdda4da29d59623299d47b29aefb regressed the
`include_path` option of ConfigHeader which is intended to set the path,
including subdirectories, that C code would pass to an include
directive.
For example if it passes
.include_path = "config/config.h",
Then the C code should be able to have
#include "config/config.h"
This regressed https://github.com/andrewrk/nasm/ but this commit fixes
it.
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This field has not been referenced by compile steps since
e76ce2c1d0d3988359267fd3030a81a52ec99f3f, all the way back in 2019.
To specify the language standard, pass `-std=[value]` as a regular
C flag instead.
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Previously, `Step.Compile.installHeader` and friends would incorrectly
modify the default `install` top-level step, when the intent was for
headers to get bundled with and installed alongside an artifact. This
change set implements the intended behavior.
This carries with it some breaking changes; `installHeader` and
`installConfigHeader` both have new signatures, and
`installHeadersDirectory` and `installHeadersDirectoryOptions` have been
merged into `installHeaders`.
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Co-authored-by: Jacob Young <jacobly0@users.noreply.github.com>
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closes #18204
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When depending on a module that depends on a static library, there was a
missing step dependency on the static library, which caused a compile
error due to missing header file.
This fixes the problem by adding the proper step dependencies.
Reviewing this code, I'm starting to wonder if it might be simpler to
have Module instances create dummy Step objects to better model
dependencies and dependees, rather than trying to maintain this graph
without an actual node. That would be an improvement for a future
commit.
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Much of the logic from Compilation.create() is extracted into
Compilation.Config.resolve() which accepts many optional settings and
produces concrete settings. This separate step is needed by API users of
Compilation so that they can pass the resolved global settings to the
Module creation function, which itself needs to resolve per-Module
settings.
Since the target and other things are no longer global settings, I did
not want them stored in link.File (in the `options` field). That options
field was already a kludge; those options should be resolved into
concrete settings. This commit also starts to work on that, deleting
link.Options, moving the fields into Compilation and
ObjectFormat-specific structs instead. Some fields were ephemeral and
should not have been stored at all, such as symbol_size_hint.
The link.File object of Compilation is now a `?*link.File` and `null`
when -fno-emit-bin is passed. It is now arena-allocated along with
Compilation itself, avoiding some messy cleanup code that was there
before.
On the command line, it is now possible to configure the standard
library itself by using `--mod std` just like any other module. This
meant that the CLI needed to create the standard library module rather
than having Compilation create it.
There are a lot of changes in this commit and it's still not done. I
didn't realize how quickly this changeset was going to balloon out of
control, and there are still many lines that need to be changed before
it even compiles successfully.
* introduce std.Build.Cache.HashHelper.oneShot
* add error_tracing to std.Build.Module
* extract build.zig file generation into src/Builtin.zig
* each CSourceFile and RcSourceFile now has a Module owner, which
determines some of the C compiler flags.
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This change is seemingly insignificant but I actually agonized over this
for three days. Some other things I considered:
* (status quo in master branch) make Compile step creation functions
accept a Target.Query and delete the ResolvedTarget struct.
- downside: redundantly resolve target queries many times
* same as before but additionally add a hash map to cache target query
resolutions.
- downside: now there is a hash map that doesn't actually need to
exist, just to make the API more ergonomic.
* add is_native_os and is_native_abi fields to std.Target and use it
directly as the result of resolving a target query.
- downside: they really don't belong there. They would be available
as comptime booleans via `@import("builtin")` but they should not
be exposed that way.
With this change the downsides are:
* the option name of addExecutable and friends is `target` instead of
`resolved_target` matching the type name.
- upside: this does not break compatibility with existing build
scripts
* you likely end up seeing `target.result.cpu.arch` rather than
`target.cpu.arch`.
- upside: this is an improvement over `target.target.cpu.arch` which
it was before this commit.
- downside: `b.host.target` is now `b.host.result`.
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These functions have been doomed for a long time. Finally I figured out
what the proper relationship between this API and std.Target is.
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Caused by problems with transitive dependencies
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Introduce the concept of "target query" and "resolved target". A target
query is what the user specifies, with some things left to default. A
resolved target has the default things discovered and populated.
In the future, std.zig.CrossTarget will be rename to std.Target.Query.
Introduces `std.Build.resolveTargetQuery` to get from one to the other.
The concept of `main_mod_path` is gone, no longer supported. You have to
put the root source file at the module root now.
* remove deprecated API
* update build.zig for the breaking API changes in this branch
* move std.Build.Step.Compile.BuildId to std.zig.BuildId
* add more options to std.Build.ExecutableOptions, std.Build.ObjectOptions,
std.Build.SharedLibraryOptions, std.Build.StaticLibraryOptions, and
std.Build.TestOptions.
* remove `std.Build.constructCMacro`. There is no use for this API.
* deprecate `std.Build.Step.Compile.defineCMacro`. Instead,
`std.Build.Module.addCMacro` is provided.
- remove `std.Build.Step.Compile.defineCMacroRaw`.
* deprecate `std.Build.Step.Compile.linkFrameworkNeeded`
- use `std.Build.Module.linkFramework`
* deprecate `std.Build.Step.Compile.linkFrameworkWeak`
- use `std.Build.Module.linkFramework`
* move more logic into `std.Build.Module`
* allow `target` and `optimize` to be `null` when creating a Module.
Along with other fields, those unspecified options will be inherited
from parent `Module` when inserted into an import table.
* the `target` field of `addExecutable` is now required. pass `b.host`
to get the host target.
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This moves many settings from `std.Build.Step.Compile` and into
`std.Build.Module`, and then makes them transitive.
In other words, it adds support for exposing Zig modules in packages,
which are configured in various ways, such as depending on other link
objects, include paths, or even a different optimization mode.
Now, transitive dependencies will be included in the compilation, so you
can, for example, make a Zig module depend on some C source code, and
expose that Zig module in a package.
Currently, the compiler frontend autogenerates only one
`@import("builtin")` module for the entire compilation, however, a
future enhancement will be to make it honor the differences in modules,
so that modules can be compiled with different optimization modes, code
model, valgrind integration, or even target CPU feature set.
closes #14719
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