scx-upstream/meson-scripts/build_bpftool
Tejun Heo d62a15193e Doc & build: Warn about sccache
Build fails with sccache.

- Update meson-scripts/build_bpftool to support sccache. Unfortunately, this
  isn't enough.

- Update README to warn about sccache and add the instruction to disable it
  for buliding scx.

- Also add ⚠️ to make boot loader update step more prominent in arch
  installation instruction.
2024-04-03 10:18:45 -10:00

29 lines
499 B
Bash

#!/bin/bash
set -e
out=$("$1" 'map(select(.["file"] | contains ("cc_cflags_probe.c"))) | first | .["command"]' < compile_commands.json)
out=${out#\"}
out=${out%\"}
args=($out)
idx=0
cc=${args[idx]}
if [ "$cc" = "ccache" -o "$cc" = "sccache" ]; then
idx=$((idx+1))
cc="$cc ${args[idx]}"
fi
declare -a cflags=()
for arg in ${args[@]:(idx+1)}; do
case $arg in
-I*|-M*|-o|-c) ;;
-*) cflags+="$arg ";;
esac
done
cd $3
make_out=$(env CC="$cc" CFLAGS="$cflags" "$2" -j"$4")
exit $?