below

#!/bin/bash
#
# This is more or less just a bash script for this tutorial: https://0xcc.re/building-xnu-kernel-macosx-sierrra-10-12-x/
# So, huge thanks to Mikal Villa! I updated the tarballs for macOS 10.13 and added line 29.

#
function checkError {
    if [ $? -ne 0 ] ; then
        echo "Script failed"
        exit

below

dobuild() {
export CC="$(xcrun -find -sdk ${SDK} cc)"
# export CXX="$(xcrun -find -sdk ${SDK} cxx)"
export CPP="$(xcrun -find -sdk ${SDK} cpp)"
export CFLAGS="${HOST_FLAGS} ${OPT_FLAGS}"
export CXXFLAGS="${HOST_FLAGS} ${OPT_FLAGS}"
export LDFLAGS="${HOST_FLAGS}"
./configure --host=${CHOST} --prefix=${PREFIX} --enable-openssl --with-openssl-dir="../openssl/"
make
}