diff options
| -rwxr-xr-x | util/xcompile/xcompile | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/util/xcompile/xcompile b/util/xcompile/xcompile index a1856e4232..d8779264ec 100755 --- a/util/xcompile/xcompile +++ b/util/xcompile/xcompile @@ -66,10 +66,29 @@ else die "no host compiler found" fi +# try to find the core count using various methods +CORES="$(getconf _NPROCESSORS_ONLN 2>/dev/null)" +if [ -z "$CORES" ]; then + NPROC=$(command -v nproc) + if [ -n "$NPROC" ]; then + CORES="$($NPROC)" + fi +fi +if [ -z "$CORES" ]; then + SYSCTL=$(command -v sysctl) + if [ -n "$SYSCTL" ]; then + CORES="$(${SYSCTL} -n hw.ncpu 2>/dev/null)" + fi +fi +if [ -z "$CORES" ] && [ -f /proc/cpuinfo ]; then + CORES="$(grep 'processor' /proc/cpuinfo 2>/dev/null | wc -l)" +fi + cat <<EOF # platform agnostic and host tools IASL:=${IASL} HOSTCC?=${HOSTCC} +CPUS?=${CORES} EOF |