Cleanup c programs (#1620)

Cleanup C programs

programs/bpf/rust/noop/build.sh

@@ -0,0 +1,10 @@
+#!/bin/bash -ex
+
+# TODO building release flavor with rust produces a bunch of output .bc files
+INTERDIR=../../../target/release
+OUTDIR="${1:-../../../target/debug/}"
+mkdir -p "$OUTDIR"
+# cargo +nightly rustc --release -- -C panic=abort --emit=llvm-ir
+cargo +nightly rustc --release -- -C panic=abort --emit=llvm-bc
+cp "$INTERDIR"/deps/noop_rust-*.bc "$OUTDIR"/noop_rust.bc 
+/usr/local/opt/llvm/bin/llc -march=bpf -filetype=obj -o "$OUTDIR"/noop_rust.o "$OUTDIR"/noop_rust.bc