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Enable link-time optimization when building Rust library for production #1

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Enable link-time optimization when building Rust library for production #1

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2 changes: 2 additions & 0 deletions docker/Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,8 @@ RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y \
# Update PATH for cargo
ENV RUSTUP_HOME=/usr/local/rustup \
CARGO_HOME=/usr/local/cargo \
RUSTFLAGS="-C codegen-units=1" \
CARGO_PROFILE_RELEASE_LTO=fat \
PATH=/usr/local/cargo/bin:$PATH

# Install Rust toolchain, see https://rust-lang.github.io/rustup/installation/other.html
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7 changes: 7 additions & 0 deletions publish_windows.py
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Expand Up @@ -24,6 +24,13 @@
pathlib.Path(dst_dir).mkdir(parents=True, exist_ok=True)
pathlib.Path(dst_dir_debug).mkdir(parents=True, exist_ok=True)

# Build GDNative library with production optimizations
subprocess.run(
["cargo", "build", "--release"],
cwd="rust",
env={"RUSTFLAGS": "-C codegen-units=1", "CARGO_PROFILE_RELEASE_LTO": "fat"}
)

# Copy all dlls
src_dir = "godot"
for dll in glob.iglob(os.path.join(src_dir, "*.dll")):
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