mirror of
https://github.com/dexoron/dcr.git
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Dexoron
54653dfd80
Introduce `--mirror` and `DCRUP_MIRROR` so `dcrup` can fetch prebuilt binaries from multiple CDNs. Default `auto` tries cf → gh → sf → ya and uses the first successful download. - dcrup.sh / dcrup.ps1: mirror chain, CLI flag, env override - remove install.sh / install.ps1 / install_bsd.sh (superseded by dcrup) - GitHub Actions: upload releases to Cloudflare R2 next to Yandex S3 - docs: README, FAQ, changelog, installation, env vars, contributing
84 lines
1.5 KiB
Plaintext
84 lines
1.5 KiB
Plaintext
---
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sidebar_label: Environment variables
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---
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# Environment Variables
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## DCR_COMPILER
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Overrides the compiler for all languages. **Highest priority.**
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```bash
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export DCR_COMPILER=clang
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dcr build
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```
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Compiler resolution priority:
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1. `DCR_COMPILER` (env)
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2. `DCR_CC` / `DCR_CXX` / `DCR_AS` (env)
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3. `[toolchain]` (dcr.toml)
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4. `build.compiler` (dcr.toml)
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5. `PATH`
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## DCR_CC / DCR_CXX / DCR_AS
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Per-language override (lower priority than `DCR_COMPILER`, higher than `[toolchain]`).
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```bash
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export DCR_CC=gcc-14
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export DCR_CXX=g++-14
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export DCR_AS=arm-linux-gnueabihf-as
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```
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## DCR_LD / DCR_AR
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Override linker and archiver.
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```bash
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export DCR_LD=ld.lld
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export DCR_AR=llvm-ar
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```
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## DCR_DEBUG
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Enables debug mode — prints all compilation commands to stderr before execution.
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```bash
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export DCR_DEBUG=1
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dcr build
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```
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## DCR_INDEX_PATH
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Overrides the path to the registry `index.json`.
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```bash
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export DCR_INDEX_PATH=/custom/path/index.json
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```
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Default: `~/.dcr/index.json`.
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## DCRUP_MIRROR
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Download mirror for `dcrup` (prebuilt binaries only).
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```bash
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export DCRUP_MIRROR=auto # cf → gh → sf → ya (default)
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export DCRUP_MIRROR=cf # CloudFlare CDN
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export DCRUP_MIRROR=gh # GitHub Releases
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export DCRUP_MIRROR=sf # SourceForge
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export DCRUP_MIRROR=ya # Yandex CDN (RU fallback)
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```
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CLI override: `dcrup install stable --mirror cf`.
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## DCRUP_HOME / DCRUP_BIN / DCRUP_REPO
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Installer layout and source clone URL:
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```bash
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export DCRUP_HOME=~/.dcr
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export DCRUP_BIN=~/.dcr/bin
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export DCRUP_REPO=https://github.com/dexoron/dcr
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```
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