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66 lines
2.2 KiB
Markdown
66 lines
2.2 KiB
Markdown
# dcr build
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Builds the project in `debug` or `release` profile.
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## Usage
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```sh
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dcr build
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dcr build --debug
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dcr build --release
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dcr build --release --force
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dcr build --debug --clean
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```
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## What `build` does
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1. Checks that `dcr.toml` exists and is valid.
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2. Reads build settings from `[build]`.
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3. Resolves path dependencies from `[dependencies]`.
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4. Creates required output directories.
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5. Recursively compiles sources from `src/`.
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6. Links final artifact (binary or library).
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## Config values used
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- `package.name`
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- `build.compiler`
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- `build.language`
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- `build.standard`
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- `build.kind`
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- `build.target`
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- `build.platform`
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- `build.cflags`
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- `build.ldflags`
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- `build.debug` / `build.release`
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- `build.exclude`
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- `build.include`
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- `build.pkg_config`
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- `build.steps`
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- `build.post_steps`
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- `build.generated`
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- `build.expect`
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- `build.clean`
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## Source selection
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- `language = "c"` -> `*.c`
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- `language = "c++" | "cpp" | "cxx"` -> `*.cpp`, `*.cxx`, `*.cc`
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- `language = "asm"` -> `*.s`, `*.S`, `*.asm`
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- Mixed languages are supported with arrays, for example `language = ["c", "asm"]`.
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- By default sources are searched in `src/`; use `build.roots` and `build.src_disable` to override.
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## Notes
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- Profile flag (`--debug` / `--release`) can appear in any argument position (duplicates are rejected).
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- Unknown profile flags return an error.
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- Incremental rebuild checks source/object mtime and tracked header dependencies.
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- `--force` skips build cache checks and recompiles.
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- `--clean` removes `target/<profile>` and `build.clean` paths before building.
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- Default GCC/Clang profile flags: `debug` -> `-O0 -g -Wall -Wextra -fno-omit-frame-pointer -DDCR_DEBUG`, `release` -> `-O3 -DNDEBUG`.
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- For `language = "asm"` with `compiler = "as"`/`"gas"`, use `.s` files (no preprocessing). For `.S`, use `gcc` or `clang`.
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- In workspace root, `dcr build` builds all members in dependency order.
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- `build.exclude` removes paths from source/header collection; `build.include` re-allows matching paths and has priority over `exclude`.
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- `build.steps` run before compilation; `build.post_steps` run after linking.
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- `build.generated` is cleaned when `build.steps` need to rerun; `build.expect` is verified after post-steps.
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