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Enable cross compilation for applications #4

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Enable cross compilation for applications #4

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6 changes: 4 additions & 2 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -4,5 +4,7 @@ ENV TARGETS="x86_64-unknown-linux-musl aarch64-unknown-linux-musl x86_64-unknown
RUN rustup target add ${TARGETS}

# needed for cargo-chef and cargo-sbom, as well as many other compilations
RUN apk add musl-dev linux-headers make
RUN cargo install [email protected] [email protected]
RUN apk add musl-dev linux-headers make clang mold
RUN cargo install cargo-chef cargo-sbom
# we define target specific rustc flags for cross-compilation
ADD config.toml /usr/local/cargo/
28 changes: 28 additions & 0 deletions config.toml
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@@ -0,0 +1,28 @@
[target.aarch64-unknown-linux-musl]
linker = "/usr/bin/clang"
rustflags = [
"-C",
"link-arg=--ld-path=/usr/bin/mold",
"-C",
"link-arg=--target=aarch64-unknown-linux-musl",
]

[target.x86_64-unknown-linux-musl]
linker = "/usr/bin/clang"
rustflags = [
"-C",
"link-arg=--ld-path=/usr/bin/mold",
"-C",
"link-arg=--target=x86_64-unknown-linux-musl",
]

# FIXME: riscv64 is not yet available in rust:1.80.1-alpine3.20
# but both clang and mold support it. Alos musl-dev is available in Alpine 3.20
# [target.riscv64gc-unknown-linux-gnu]
# linker = "/usr/bin/clang"
# rustflags = [
# "-C",
# "link-arg=--ld-path=/usr/bin/mold",
# "-C",
# "link-arg=--target=riscv64-unknown-linux-musl",
# ]