This updates all linker tests to include `no_entry` as well as changes
all tests to executable so they do not need to be updated later when
the in-house WebAssembly linker supports dynamic libraries.
This adds support for the `-fno-entry` and `-fentry` flags respectively, for
zig build-{exe/lib} and the build system. For `zig cc` we use the `--no-entry`
flag to be compatible with clang and existing tooling.
In `start.zig` we now make the main function optional when the target is
WebAssembly, as to allow for the build-exe command in combination with
`-fno-entry`.
When the execution model is set, and is set to 'reactor', we now verify
when an entry name is given it matches what is expected. When no entry
point is given, we set it to `_initialize` by default. This means the user
will also be met with an error when they use the reactor model, but did
not provide the correct function.
Use inline to vastly simplify the exposed API. This allows a
comptime-known endian parameter to be propogated, making extra functions
for a specific endianness completely unnecessary.
This reverts commit 0c99ba1eab63865592bb084feb271cd4e4b0357e, reversing
changes made to 5f92b070bf284f1493b1b5d433dd3adde2f46727.
This caused a CI failure when it landed in master branch due to a
128-bit `@byteSwap` in std.mem.
Justification: exec, execv etc are unix concepts and portable version
should be called differently.
Do no touch non-Zig code. Adjust error names as well, if associated.
Closes#5853.
An embedded manifest file is really just XML data embedded as a RT_MANIFEST resource (ID = 24). Typically, the Windows-only 'Manifest Tool' (`mt.exe`) is used to embed manifest files, and `mt.exe` also seems to perform some transformation of the manifest data before embedding, but in testing it doesn't seem like the transformations are necessary to get the intended result.
So, to handle embedding manifest files, Zig now takes the following approach:
- Generate a .rc file with the contents `1 24 "path-to-manifest.manifest"`
- Compile that generated .rc file into a .res file
- Link the .res file into the final binary
This effectively achieves the same thing as `mt.exe` minus the validation/transformations of the XML data that it performs.
How this is used:
On the command line:
```
zig build-exe main.zig main.manifest
```
(on the command line, specifying a .manifest file when the target object format is not COFF is an error)
or in build.zig:
```
const exe = b.addExecutable(.{
.name = "manifest-test",
.root_source_file = .{ .path = "main.zig" },
.target = target,
.optimize = optimize,
.win32_manifest = .{ .path = "main.manifest" },
});
```
(in build.zig, the manifest file is ignored if the target object format is not COFF)
Note: Currently, only one manifest file can be specified per compilation. This is because the ID of the manifest resource is currently always 1. Specifying multiple manifests could be supported if a way for the user to specify an ID for each manifest is added (manifest IDs must be a u16).
Closes#17406
options
* add Module instances for each package's build.zig and attach it to the
dependencies.zig module with the hash digest hex string as the name.
* fix incorrectly skipping the wrong packages for creating
dependencies.zig
* a couple more renaming of "package" to "module"
* 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.
Until now, we would pass `candidate: NativeTargetInfo` which creates
a copy of the `NativeTargetInfo.DynamicLinker` buffer. We would then
return this buffer in `bad_dl: []const u8` which would goes out-of-scope
the moment we leave this function frame yielding garbage. To fix this,
we just need to remember to pass by const-pointer
`candidate: *const NativeTargetInfo`.
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.
