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# Objective Theres no explaination for what the compiler flags `config_fast_builds.toml` do ## Solution Explain what the flags in `config_fast_builds.toml` do.
34 lines
1.5 KiB
TOML
34 lines
1.5 KiB
TOML
# Add the contents of this file to `config.toml` to enable "fast build" configuration. Please read the notes below.
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# NOTE: For maximum performance, build using a nightly compiler
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# If you are using rust stable, remove the "-Zshare-generics=y" below.
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[target.x86_64-unknown-linux-gnu]
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linker = "clang"
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rustflags = [
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"-Clink-arg=-fuse-ld=lld", # Use LLD Linker
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"-Zshare-generics=y", # (Nightly) Make the current crate share its generic instantiations
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]
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# NOTE: you must install [Mach-O LLD Port](https://lld.llvm.org/MachO/index.html) on mac. you can easily do this by installing llvm which includes lld with the "brew" package manager:
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# `brew install llvm`
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[target.x86_64-apple-darwin]
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rustflags = [
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"-Clink-arg=-fuse-ld=/usr/local/opt/llvm/bin/ld64.lld", # Use LLD Linker
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"-Zshare-generics=y", # (Nightly) Make the current crate share its generic instantiations
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]
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[target.aarch64-apple-darwin]
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rustflags = [
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"-Clink-arg=-fuse-ld=/opt/homebrew/opt/llvm/bin/ld64.lld", # Use LLD Linker
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"-Zshare-generics=y", # (Nightly) Make the current crate share its generic instantiations
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]
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[target.x86_64-pc-windows-msvc]
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linker = "rust-lld.exe" # Use LLD Linker
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rustflags = ["-Zshare-generics=n"]
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# Optional: Uncommenting the following improves compile times, but reduces the amount of debug info to 'line number tables only'
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# In most cases the gains are negligible, but if you are on macos and have slow compile times you should see significant gains.
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#[profile.dev]
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#debug = 1
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