40 lines
1.2 KiB
Bash
40 lines
1.2 KiB
Bash
#
|
|
# Configures the BPF SDK environment
|
|
#
|
|
|
|
if [ -z "$bpf_sdk" ]; then
|
|
bpf_sdk=.
|
|
fi
|
|
|
|
# Ensure the sdk is installed
|
|
"$bpf_sdk"/scripts/install.sh
|
|
|
|
# Use the SDK's version of llvm to build the compiler-builtins for BPF
|
|
export CC="$bpf_sdk/dependencies/llvm-native/bin/clang"
|
|
export AR="$bpf_sdk/dependencies/llvm-native/bin/llvm-ar"
|
|
export OBJDUMP="$bpf_sdk/dependencies/llvm-native/bin/llvm-objdump"
|
|
export OBJCOPY="$bpf_sdk/dependencies/llvm-native/bin/llvm-objcopy"
|
|
|
|
# Use the SDK's version of Rust to build for BPF
|
|
export RUSTUP_TOOLCHAIN=bpf
|
|
export RUSTFLAGS="
|
|
-C lto=no \
|
|
-C opt-level=2 \
|
|
-C link-arg=-z -C link-arg=notext \
|
|
-C link-arg=-T$bpf_sdk/rust/bpf.ld \
|
|
-C link-arg=--Bdynamic \
|
|
-C link-arg=-shared \
|
|
-C link-arg=--entry=entrypoint \
|
|
-C link-arg=-no-threads \
|
|
-C linker=$bpf_sdk/dependencies/llvm-native/bin/ld.lld"
|
|
|
|
# CARGO may be set if run from within cargo, causing
|
|
# incompatibilities between cargo and xargo versions
|
|
unset CARGO
|
|
|
|
export XARGO="$bpf_sdk"/dependencies/bin/xargo
|
|
export XARGO_TARGET=bpfel-unknown-unknown
|
|
export XARGO_HOME="$bpf_sdk/dependencies/xargo"
|
|
export XARGO_RUST_SRC="$bpf_sdk/dependencies/rust-bpf-sysroot/src"
|
|
export RUST_COMPILER_RT_ROOT="$bpf_sdk/dependencies/rust-bpf-sysroot/src/compiler-rt"
|