#!/bin/bash # This has to be a separate file from scripts/make.sh so it can be called # before menuconfig. (It's called again from scripts/make.sh just to be sure.) mkdir -p generated OUTFILE=generated/Config.in source configure probeconfig() { # Probe for container support on target echo -e "# container support\nconfig TOYBOX_CONTAINER\n\tbool" || return 1 ${CROSS_COMPILE}${CC} -xc -o /dev/null - 2>/dev/null << EOF #include <linux/sched.h> int x=CLONE_NEWNS|CLONE_NEWUTS|CLONE_NEWIPC|CLONE_NEWNET; int main(int argc, char *argv[]) { return unshare(x); } EOF [ $? -eq 0 ] && DEFAULT=y || DEFAULT=n rm a.out 2>/dev/null echo -e "\tdefault $DEFAULT\n" || return 1 } genconfig() { # extract config stanzas from each command source file, in alphabetical order for i in $(ls -1 toys/*.c) do # Grab the config block for Config.in echo "# $i" sed -n '/^\*\//q;/^config [A-Z]/,$p' $i || return 1 echo done } probeconfig > generated/Config.probed || rm generated/Config.probed genconfig > generated/Config.in || rm generated/Config.in