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fix: split target into target (triple) and out_dir (output directory)

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build.target now holds the target triple (e.g. x86_64-unknown-linux-gnu)
build.out_dir is a custom output directory that overrides the default
target/<triple>/<profile> path.
This commit is contained in:
Dexoron
2026-05-30 14:18:54 +08:00
parent 0587965283
commit 865d8c52ff
7 changed files with 352 additions and 40 deletions
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7
docs/configuration/build-section.md
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@@ -13,7 +13,8 @@ kind = "bin"
# optional:
# inherit = true # Inherit from base (default true)
# targets = ["linux", "macos"] # Multiple targets to build
# target = "./dist"
# out_dir = "./dist"
# target = "x86_64-unknown-linux-gnu"
# platform = "x86_64"
# cflags = ["-Wall"]
# ldflags = ["-lm"]
@@ -40,8 +41,8 @@ kind = "bin"
- `extension` (string, optional): custom file extension without the leading dot (e.g. `BIN`, `efi`, `EFI`). Combined with `filename`.
- `inherit` (bool, optional): inherit settings from base `[build]` (default `true`). If `false`, only use target/profile specific settings.
- `targets` (string array, optional): list of targets to build simultaneously. Supports short names (`linux`, `macos`, `windows`).
- `target` (string, optional): custom output directory for final artifact.
When set, DCR automatically injects `--target=<value>` into `cflags` (useful for clang cross-compilation).
- `target` (string, optional): platform target triple (e.g. `x86_64-unknown-linux-gnu`) or short name (`linux`, `macos`, `windows`). Same as `--target` CLI flag.
- `out_dir` (string, optional): custom output directory for final artifact (overrides default `target/<target>/<profile>/`).
- `platform` (string, optional): architecture hint for compiler (used for `-march` or `/arch`).
- `cflags` (string array, optional): extra compile flags.
Supports variable substitution — see [Variable substitution](#variable-substitution) below.

21
docs/dependencies-and-build/target-directory.md
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@@ -2,22 +2,29 @@
By default, DCR writes final artifacts to `target/<target>/<profile>/` (where `<target>` is `native` or target triple).
You can override this with `build.target`:
You can override this with `build.out_dir`:
```toml
[build]
target = "./dist"
out_dir = "./dist"
```
## Behavior
- Binary mode:
- Linux/macOS: `<target>/<name>`
- Windows: `<target>/<name>.exe`
- Linux/macOS: `<out_dir>/<name>`
- Windows: `<out_dir>/<name>.exe`
- Static library mode:
- Linux/macOS: `<target>/lib<name>.a`
- Windows: `<target>/<name>.lib`
- Linux/macOS: `<out_dir>/lib<name>.a`
- Windows: `<out_dir>/<name>.lib`
## Important detail
`build.target` changes only the final artifact location. Object cache and dependency sync directories still use `target/<target>/<profile>/...`.
`build.out_dir` changes only the final artifact location. Object cache and dependency sync directories still use `target/<target>/<profile>/...`.
## Distinction from platform targets
- `build.out_dir` — custom **output directory** path.
- `build.target` / `--target <triple>` CLI flag — **platform target** for cross-compilation (e.g. `x86_64-unknown-linux-gnu`, or short name `linux`).
- `build.targets` (array) — list of **platform targets** to build simultaneously.
- `[build.<target>]` sections — **target-specific config overrides** (e.g. `[build.linux]`).