30 lines
879 B
Bash
30 lines
879 B
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="$bpf_sdk/dependencies/bpf-tools/llvm/bin/clang"
|
|
export AR="$bpf_sdk/dependencies/bpf-tools/llvm/bin/llvm-ar"
|
|
export OBJDUMP="$bpf_sdk/dependencies/bpf-tools/llvm/bin/llvm-objdump"
|
|
export OBJCOPY="$bpf_sdk/dependencies/bpf-tools/llvm/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$bpf_sdk/rust/bpf.ld \
|
|
-C link-arg=--Bdynamic \
|
|
-C link-arg=-shared \
|
|
-C link-arg=--threads=1 \
|
|
-C link-arg=--entry=entrypoint \
|
|
-C linker=$bpf_sdk/dependencies/bpf-tools/llvm/bin/ld.lld"
|