[target."x86_64-unknown-linux-gnu"]
# Compressing debug information can yield hundreds of megabytes of savings.
# The Rust toolchain does not currently perform dead code elimination on
# debug info.
#
# See: https://github.com/rust-lang/rust/issues/56068
# See: https://reviews.llvm.org/D74169#1990180
#
# As of Jan 2024 all of the x86-64 hardware we run on supports the V3 micro architecture.
#
# See: https://en.wikipedia.org/wiki/X86-64#Microarchitecture_levels
#
# Sync: This target-cpu and list of features should be kept in sync with the ones in ci-builder and
# xcompile.
rustflags = [
    "-Clink-arg=-Wl,--compress-debug-sections=zlib",
    "-Clink-arg=-Wl,-O3",
    "-Clink-arg=-fuse-ld=lld",
    "-Csymbol-mangling-version=v0",
    "--cfg=tokio_unstable",
]

# As of Jan 2024 all of the Linux based aarch64 hardware we run on supports the Neoverse N1 micro
# architecture.
#
# See: https://en.wikipedia.org/wiki/AWS_Graviton#Graviton2
# See: https://github.com/aws/aws-graviton-getting-started/blob/2e6293f27f19df560c12c6d526b78c3384513f99/rust.md
#
# Sync: This target-cpu and list of features should be kept in sync with the ones in ci-builder and
# xcompile.
[target."aarch64-unknown-linux-gnu"]
rustflags = [
    "-Clink-arg=-Wl,--compress-debug-sections=zlib",
    "-Clink-arg=-Wl,-O3",
    "-Clink-arg=-fuse-ld=lld",
    "-Csymbol-mangling-version=v0",
    "--cfg=tokio_unstable",
]

[build]
# Always reserve at least one core so Cargo doesn't pin our CPU
jobs = -1
rustflags = ["--cfg=tokio_unstable"]